Drainage Design - ribblevalley.gov.uk

184
R. G. PARKINS & PARTNERS LTD CONSULTING CIVIL & STRUCTURAL ENGINEERS PROPOSED HOUSING DEVELOPMENT AT LONGSIGHT ROAD, LANGHO FOUL & SURFACE WATER DRAINAGE DESIGN Our ref: K35699/03/DDR/PT ORIGINAL ISSUE MAY 2019

Transcript of Drainage Design - ribblevalley.gov.uk

Page 1: Drainage Design - ribblevalley.gov.uk

R. G. PARKINS & PARTNERS LTD C O N S U L T I N G C I V I L & S T R U C T U R A L E N G I N E E R S

PROPOSED HOUSING DEVELOPMENT

AT

LONGSIGHT ROAD, LANGHO

FOUL & SURFACE WATER

DRAINAGE DESIGN

Our ref: K35699/03/DDR/PT ORIGINAL ISSUE

MAY 2019

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R. G. PARKINS & PARTNERS LTD C O N S U L T I N G C I V I L & S T R U C T U R A L E N G I N E E R S

Meadowside Shap Road Kendal Cumbria LA9 6NY

Tel: (01539) 729393 Fax: (01539) 740609 Email: [email protected]

Also at: 97 King Street Lancaster LA1 1RH Tel: (01524) 32548 Fax: (01524) 843998

Directors:- A Roberts B Eng (Hons) CEngMICE J R Parkins Dip Eng

Associate Directors :- T Melhuish MEng PhD CEng MICE E Roberts MEng (Hons) CEng MICE S Winstanley EngTech MICE CMaPS O Sugden MEng

Registered Office: Meadowside Shap Road Kendal Cumbria LA9 6NY Reg No: 4107150

www.rgparkins.com

Proposed Housing Development

At

Longsight Road, Langho

Foul & Surface Water

Drainage Design

Report Version Amendment Date

Original Issue Original Issue 21st May 2019

Notice

This report was produced by R G Parkins & Partners Ltd for Pringle Homes for the specific purpose of providing a Foul & Surface Water Drainage Design for the proposed housing development site at Longsight Road, Langho.

This report is for the sole use of Pringle Homes. R G Parkins & Partners Ltd will not be held responsible for any actions taken or decisions made by any third party as a result of this report.

All digital mapping reproduced from Ordnance Survey digital map data. ©Crown Copyright, All rights reserved. 2019, Licence Number 100038055.

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Foul & Surface Water Drainage Design Housing Development, Longsight Road, Langho _____________________________________________________________________________________________

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CONTENTS

1.0 EXECUTIVE SUMMARY .................................................................................... 3

2.0 SITE CHARACTERISATION .............................................................................. 5

2.1 Site Location ............................................................................................. 5

2.2 Site Description ........................................................................................ 5

2.3 Existing Drainage ..................................................................................... 6

2.4 Ground Conditions ................................................................................... 6

3.0 SURFACE WATER DRAINAGE DESIGN .......................................................... 7

3.1 Soil Infiltration Assessment ...................................................................... 7

3.2 Design Parameters ................................................................................... 7

3.3 Drainage Proposals and Modelling .......................................................... 8

3.3.1 Detention Basins and Swale .................................................................... 8

3.4 Treatment Processes ............................................................................. 10

3.5 Designing for Local Drainage System Failure ........................................ 11

3.6 Operation & Maintenance Responsibility ............................................... 12

4.0 FOUL WATER DRAINAGE DESIGN ............................................................... 13

5.0 DISCLAIMER .................................................................................................... 14

6.0 REFERENCES ................................................................................................. 15

FIGURES

Figure 1.1 Site Location .............................................................................................. 5

APPENDICES

APPENDIX A: Flow v8.1 Modelling Results – Surface Water Network

APPENDIX B: Plan Drawings

APPENDIX C: Surface Water Treatment Calculations

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1.0 EXECUTIVE SUMMARY

Pringle Homes are proposing to develop a Greenfield site located off Longsight Road

(A59), Langho to form a residential estate comprising 42no. dwellings with associated

car parking and landscaping. R. G. Parkins & Partners Ltd (RGP) have been

appointed as Civil and Structural Engineers to undertake a detailed design for foul

and surface water drainage.

This Drainage Design Report has been prepared to address drainage related

planning conditions following full planning approval in January 2019.

The site proposals for the application are shown on the relevant drawings by LMP

Architects. Foul and surface water drainage plans and details are shown on drawing’s

K35699/A1/31, 32 & 33 by RGP.

In order to assess the viability of infiltration based SuDS a detailed Phase 2 Geo-

Environmental Site Investigation was undertaken by Wardell Armstrong, the results of

which are available in a separate report [1]. In summary, intrusive investigation has

shown that the underlying ground will not provide suitable characteristics for

infiltration and that groundwater is likely to further impact the effectiveness of

infiltration systems.

The SuDS drainage design is based on the principals of below ground conveyance

and surface storage systems, with storage requirements calculated for 1 in 100 year

storm events with a +30% allowance for climate change. A 10% allowance for urban

creep has also been included for dwelling impermeable areas.

Drainage of impermeable areas (e.g. highways, hardstanding and dwelling roofs) has

been designed using below ground conveyance systems and surface storage via

attenuation basins and swales. Where appropriate, catchment areas have also been

increased to account for urban creep associated with future additional impermeable

areas (e.g. paving and conservatories in rear gardens).

At this stage it has been agreed that all surface features (e.g. detention basins)

associated with surface water drainage will remain private and will therefore be

managed and maintained by a management company. It is anticipated that the flow

control chamber and subsurface drainage off-site will also be privately maintained.

Foul and surface water drainage located within the new public highways and off-site

drainage routes will also remain private, though designed to an adoptable standard.

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The site layout and drainage systems have been designed to ensure that there is no

increased risk of flooding on- or off-site as a result of extreme rainfall or blockage. As

such, exceedance flows have been considered in accordance with best practice and

it has been demonstrated that flows resulting from extreme rainfall are managed in

conveyance routes without risk of flooding to dwellings.

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2.0 SITE CHARACTERISATION

2.1 Site Location

The proposed site is located north-east of the village of Lango, Lancashire, at

National Grid Co Ordinates 370579E,434704N. The sites location is shown in Figure

2.1.

Figure 2.1 Site Location

2.2 Site Description

The Greenfield site covers an area of approximately 5.42 ha (54,200m²) and at

present the site is utilised as grazing pasture. The site is bounded to the north by

Longsight Road (A59) with residential dwellings to the east and west along parts of

the boundary and a hotel opposite to the north. The site is bounded to the south by

the Leeds-Morecambe railway line, elevated above the boundary.

Topographically, the site falls south west to north, with ground levels ranging between

94m AOD and 76m AOD.

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2.3 Existing Drainage

Reference to the United Utilities sewer records (included in Appendix B) indicates that

there is an existing 300 diameter public combined sewer within the site which bisects

from the south west corner in a north-easterly direction and exits the site into

neighbouring properties off Northcote Road. There are no other known sewers within

the site.

2.4 Ground Conditions

Phase 2 intrusive ground investigation was undertaken by Wardell Armstrong in

October 2015 [1]. Excavations noted the underlying natural drift deposits to comprise

generally firm to very stiff sand, gravelly clay with cobbles and boulders. This material

was encountered over a range of depths, from 0.2m to 3.3m below ground level.

During the investigations, groundwater ingress was noted within sand deposits within

2 no, trial holes at depths of 1.5m and 1.8 mBGL and in borehole BH3 at 1.4m.

Groundwater monitoring was undertaken in the 3no. boreholes across the site with

localised levels noted between 0.35m and 1.25m below ground level in boreholes

BH1 and BH3. BH2 remained dry.

Infiltration testing was not undertaken due to low permeability of drift deposits and the

presence of shallow groundwater. As a result, infiltration-based SuDS systems are

considered unsuitable.

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3.0 SURFACE WATER DRAINAGE DESIGN

The surface water drainage design for the site at Longsight Road, Langho is based

on the principles of current best practice for SuDS. As such the following, have been

referred to in development of the design:

• Technical Guidance to the National Planning Policy Framework, Department

for Communities and Local Government, March 2012 [3]

• Non-statutory technical standards for sustainable drainage systems, DEFRA,

March 2015 [5].

• SuDS Manual, CIRIA Report C753, 2015 [6]

• Preliminary rainfall run-off management for developments, DEFRA/EA, W5-

074/A/TR/1, Revision D [7]

• Designing for Exceedance in Urban Drainage – good practice, CIRIA Report

C635, 2006 [8]

3.1 Soil Infiltration Assessment

Infiltration testing was not undertaken due to low permeability of drift deposits and the

presence of shallow groundwater. Consequently, infiltration-based SuDS systems are

unsuitable and were not considered further in developing the Surface Water Drainage

Strategy.

3.2 Design Parameters

In light of the above assessment and where appropriate, the SuDS drainage design

has been based on the principles of below ground conveyance with above ground

storage systems (detention basins and a swale).

All SuDS components have been designed using Flow Version 8.1 with the following

design parameters:

• Design Storm Event = 1 in 100 year (no flooding) – site parameters derived

using Flood Studies Report methodology.

• Climate Change allowance = +30% (on rainfall intensity)

• Volumetric Runoff Coefficient

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The volumetric runoff coefficient describes the volume of surface water which runs off

an impermeable surface following losses due to infiltration, depression storage, initial

wetting and evaporation. The coefficient is dimensionless. Default industry standard

volumetric runoff coefficients of 0.75 for summer and 0.84 for winter have been

adopted, which are in accordance with the drainage strategy approved at planning.

• Design infiltration rate = No infiltration assumed in detention basins.

3.3 Drainage Proposals and Modelling

The general principles of the surface water drainage strategy are in accordance with

the Surface Water Drainage Strategy by REFORD Consulting Engineers Ltd [11]

which was prepared and subsequently approved as part of the full planning

application.

For brevity, a selection of print outs from Flow software are included in Appendix A to

illustrate the design methodology for the respective SuDS components. This

information is represented on the following RGP drawings:

• K35699/A1/31, 32 & 33 – Foul & Surface Water Drainage Plans

• K35699/A1/35 – Surface Water Drainage Details 1 of 2

• K35699/A1/37 – Surface Water Drainage Details 2 of 2

The following provides an overview of the principal and respective analysis results for

each surface water drainage system used within the scheme.

3.3.1 Detention Basins and Swale

The detention basins and main surface water network were modelled in Flow v8.1.

Water is discharged from the basins via hydro-brake flow control devices at a

controlled rate via an outfall into the watercourse on the eastern boundary adjacent

the culvert under the A59.

The on-line detention basin in the centre of the site provides attenuation to upstream

impermeable areas with a hydro-brake limiting discharge to 6.5l/s under the

maximum design storm event before pass-forward to the second basin adjacent the

site entrance. Discharge from the site is then restricted to the Q1 (1 in 1 year) and

Q100 (1 in 100 year + 30% CC) pre-development greenfield run-off rates via a

complex flow control downstream of the second basin. This flow control chamber

features 2no. hydro-brakes with different restrictions and invert levels to suit.

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The Q1 event was modelled with a single hydro-brake at invert level and a design

flow of 38.8l/s to match the pre-development run-off rates. The depth of water in the

basin and hydro-brake under this event allowed the second hydro-brake design to be

specified with an invert level fractionally above this level and a combined higher flow

rate then utilised to limit storm events up to and including the Q100 + 30% CC event.

Pre-Development

Flow Rate (l/s)

Post-Development

Flow Rate (l/s)

Q1 38.8 38.8

Q100 + 30% CC 92.8 92.8

Table 3.3.1 – Pre and Post Development Flow Rates

A conveyance swale adjacent plots 01-03 is also proposed. Surface water flows from

approximately 6% of the site impermeable area will be discharged into the swale

formed at nominal fall. At the downstream end of the swale, flow is restricted by the

specification of a reduced diameter pipe (150Ø) which restricts the flow under high

rainfall events, thereby utilising the available storage volume.

The total storage requirement has been calculated using Flow v8.1 as 1145m³ to

contain the 100-year design storm plus a 30% allowance for climate change without

flooding, as shown on RGP drawing no. K35699/A1/31, 32 & 33.

The bottom of the basins will be laid at nominal fall and side slopes will be no steeper

than 1 in 3 to allow for vegetation stabilisation, general maintenance access and for

public safety reasons.

The critical duration storm was found to be the 120 minute winter event for a 1 in 100

year + 30 % climate change rainfall event. Under this event a maximum water level of

0.924m is anticipated. A remaining freeboard of 176mm below high level overflow

located towards the hydrobrake chamber would remain under this event, with a

further 100mm to the crest of the bund surrounding the basin. As a result, it is

considered that sufficient storage is provided to mitigate flood risk up to and indeed

exceeding the 1:100 year + 30% climate change event.

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A further scenario was modelled whereby the 1:100 year (plus 40% CC) event was

assessed, with the basin and/or hydro brake still not expected to surcharge or spill

over.

The modelling results are presented in Appendix A.

The final SuDS component is made up of a swale accepting discharge at a controlled

rate via the final hydrobrake and headwall outfall. This swale discharges overland into

an existing unnamed watercourse located towards the eastern boundary adjacent the

culvert under the A59, at the location of an existing ephemeral feature on the site.

The swale has been designed so that the existing land depression is graded to an

appropriate fall of between 1:10 and 1:20, lined with an erosion control blanket. Two

weirs will be constructed within the swale built from timber sleepers with stone

pitching located on the downstream face of both the headwall and weirs to further

prevent erosion. The swale and weir system has been designed to dissipate energy

resulting from water flow during extreme storm events and reduce the likelihood of

erosion.

A surcharged outfall scenario has been added to the model under the 1:100 + CC

events to simulate the potential impact of localised surface water flooding at the

outfall location. A conservative approximate water level of 78.5m AOD (1.22m above

invert of the outfall) has been added based on the Environment Agency Surface

Water flood map. Under this event, no further flooding is anticipated upstream of the

final swale/outfall feature.

Due to the throttling effect of a surcharge, greenfield run-off rates have been matched

under free-flowing conditions to specify flow controls, rather than under surcharge. As

a result, the figure quoted in Table 3.3.1. for the 1:100 year + 30% CC event is

considered conservative.

3.4 Treatment Processes

Early consideration of treatment of surface water drainage was made to ensure that

all run-off generated by the site has an appropriate level of treatment.

An assessment of the design in terms of treatment was made in accordance with the

index method presented in the SuDS manual [6] and deemed to be adequate for

removal of metals, hydrocarbons and suspended solids. Further details are provided

in Appendix C.

The treatment components present in the design comprise:

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• In built silt traps within highways gullies.

• Vegetated on-line detention basins and swales with permeable forebays,

check dams and suitable planting.

3.5 Designing for Local Drainage System Failure

In accordance with the general principles discussed in CIRIA Report C635 –

Designing for Exceedance in Urban Drainage [8] the proposed surface water

drainage, where practical, should be designed to ensure there is no increased risk of

flooding to the buildings on the site or elsewhere as a result of extreme rainfall, lack

of maintenance, blockages or other causes. Consequently, the following measures

will be implemented as part of the detailed drainage design:

Surface Storage & External Levels – parking areas will be designed to direct

surface water away from property and towards the highways drainage should the

attenuation systems fail, flood or if their capacity is exceeded. Where appropriate, the

kerb lines will be raised via half batter kerbs (0.1m) to channel surface water run-off

into the highways drainage system.

Drainage Contingency – the proposed surface water system has been designed to

provide adequate storage volume against flooding with a suitable factor of safety

applied. The system will also benefit from the following features to alleviate issues

with ongoing maintenance and blockages:

1. Pipes – the internal diameter of any surface water pipes will be greater than

100mm to avoid blockages.

2. Exceedance Routes - as discussed in Section 2.3.1. above, the detention

basins, swale and surface water network have been designed to ensure that

no exceedance flows occur up to and in excess of the 1:100 year + 30%

climate change event.

In the extremely unlikely event that a flood event occurs that would exceed

the capacity of the SW systems, the upstream manhole MHS4 would

surcharge, where surface water would then be routed down the proposed

highway and back into the system downstream or directly into the detention

basin. Eventually the hydro-brake chamber would surcharge at the site

entrance but surrounding levels have been designed to direct any extreme

flow routes down the proposed highway away from the site and towards the

existing watercourse to the east of the sites boundary where flows will be

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captured. These scenarios have been checked in Flow v8.1 using a 1:100

year + 40% climate change event and is included in Appendix A.

Should highways gullies within the site become block or exceeded under

extreme rainfall, exceedance routes directing water away from dwellings and

towards the detention basin have been considered and dropped kerbs

provided at critical locations to allow water to flow overland from the highway

to the basin. The drawing K35699/A1/50 shows such routes and is included in

Appendix B

Building Layout & Detail – the buildings will be designed and situated to ensure that

they are not at risk of flooding from overland flow. Wherever possible, the finished

floor and threshold levels will be set above the external pavement and car park levels

and external levels will fall away from the building ensuring that flood water runs away

from, rather than towards, the buildings.

In addition to the above measures, a SuDs Operations & Maintenance Plan has been

made available to the property owners detailing the requirements for future

maintenance of the drainage system.

3.6 Operation & Maintenance Responsibility

With regards to the future operation and maintenance of the surface water drainage

systems a SuDS Operations & Maintenance Plan [12] has been prepared by RGP

detailing the requirements for future maintenance of all key SuDS components and

features to ensure that the SuDS remain effective throughout their life.

It has been agreed that that the surface water detention basins and swale, which

receive all positive drainage flows from the development, will remain under private

ownership and maintenance via a 3rd party management company.

Foul drainage will also remain private.

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4.0 FOUL WATER DRAINAGE DESIGN

Foul water from the site shall be connected to an existing public combined sewer

manhole on the 300 diameter public sewer located within the site. The sewer is within

the site and the developer could form a connection without the need to obtain

permission / consent from third party land owners.

Due to levels and the location of the proposed connection point, 27no properties

require pumped foul drainage. A private foul water pumping station is to be located in

the north-east corner of the site opposite the detention basin. A rising main will pump

foul flows approximately 200m distance and a head of around 11m before

discharging under gravity to the public sewer. Where levels permit, direct gravity

connection is utilised.

The pumping station will be designed by a specialist M&E supplier to current best

practise and become the maintenance responsibility of a 3rd party management

company upon handover of the site.

Though intended to remain private at this stage, the drainage system shall be

constructed to adoptable standards to allow future adoption by United Utilities under

section 104 of the Water Industry Act 1991. A pre-development enquiry has been

submitted to United Utilities who have advised that foul water can be discharged at an

unrestricted rate to the existing combined sewer within the site.

Preliminary foul water discharge calculations have been undertaken in accordance

with Sewer for Adoption 7th Edition with an estimated peak flow of 2l/s.

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5.0 DISCLAIMER

Copyright of this report remains the property of R G Parkins & Partners Ltd.

Prepared by:

Peter Thomas MEng (Hons) GMICE

R G Parkins & Partners Ltd

Checked by:

Julian Pearson BSc (Hons) EngTech MICE

R G Parkins & Partners Ltd

22st May 2019

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6.0 REFERENCES

[1] Wardell Armstrong Llp, Land off Longsight Road. Langho: Ground Investigation Report.

Ref 12976.001. October 2015.

[2] Department for Communities and Local Government, National Planning Policy

Framework, March 2012.

[3] Department for Communities and Local Government, Technical Guidance to the National

Planning Policy Framework, March 2012.

[4] British Geological Survey (BGS), GeoIndex Onshore, Superficial Deposits and Bedrock

Geology, 1: 50,000.

[5] DEFRA Non-Statutory Technical Standards for SuDS. March 2015

[6] CIRIA, The SUDS Manual, Report C753, 2015

[7] DEFRA/EA, Preliminary rainfall run-off management for developments, W5-074/A/TR/1,

Revision D, September 2005

[8] CIRIA, Designing for Exceedance in Urban Drainage – good practice, Report C635,

London, 2006

[9] Institute of Hydrology, Flood Studies Report, Volume 1, Hydrological Studies, 1993

[10] Institute of Hydrology, Flood Studies Supplementary Report No 14 – Review of Regional

Growth Curves, August 1983.

[11] REFORD Consulting Engineers Ltd, Surface Water and Foul Water Drainage Strategy for

Pringle Homes, Longsight Road, Langho. September 2018.

[12] R.G Parkins & Partners Ltd, Operations and Maintenance Plan for Surface Water

Drainage Systems: Longsight Road, Langho. Ref K35699/02/O&M/PT. February 2019

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APPENDIX A: Flow v8.1 Modelling Results – Surface Water Network

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Drainage Design ReportFlowv8.1

Copyright © 1988-2019 Causeway Software Solutions Limited

Network Storm Network 1

Filename S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfd

Username Julian Pearson ([email protected])

Last analysed 21/05/2019 14:10:54

Report produced on 21/05/2019 14:18:59

Causeway Sales

Tel: +44(0) 1628 552000

Fax: +44(0) 1628 552001

Email: [email protected]

Web: www.causeway.com

Technical support web portal:

http://support.causeway.com

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Flow v8.1 Design Report: Design Settings

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Rainfall Methodology FSR

Return Period (years) 100

Additional Flow (%) 0

FSR Region England and Wales

M5-60 (mm) 18.900

Ratio-R 0.300

CV 0.750

Time of Entry (mins) 5.00

Maximum Time of Concentration (mins) 30.00

Maximum Rainfall (mm/hr) 75.0

Minimum Velocity (m/s) 1.00

Connection Type Level Soffits

Minimum Backdrop Height (m) 0.600

Preferred Cover Depth (m) 1.200

Include Intermediate Ground

Enforce best practice design rules

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Flow v8.1 Design Report: Nodes

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

NameArea(ha)

T of E(mins)

CoverLevel(m)

NodeType

Diameter(mm)

Easting(m)

Northing(m)

Depth(m)

16 0.100 5.00 92.770Manhole 1050 370555.570 434429.737 1.350

17 0.022 5.00 92.232Manhole 1350 370574.082 434459.131 1.425

18 0.049 5.00 91.201Manhole 1350 370558.512 434471.804 1.676

19 0.135 5.00 90.753Manhole 1350 370545.790 434480.161 1.500

20 0.000 5.00 89.797Manhole 1350 370530.822 434521.838 1.650

21 0.000 5.00 88.803Manhole 1350 370501.155 434512.813 1.650

22 0.151 5.00 88.395Manhole 1350 370489.815 434544.594 1.650

26 0.099 5.00 87.568Manhole 1350 370481.919 434582.803 2.236

27 0.012 5.00 87.573Manhole 1800 370488.519 434588.433 2.673

28 0.068 5.00 89.133Manhole 1050 370542.587 434553.165 1.425

29 0.030 5.00 88.983Manhole 1050 370528.667 434556.511 1.350

30 0.047 5.00 88.455Manhole 1050 370510.289 434566.181 1.952

31 0.000 87.929Manhole 1050 370507.221 434585.315 2.805

32 0.082 5.00 87.488Manhole 1800 370515.156 434593.133 3.513

33 0.000 87.435Manhole 1800 370534.509 434598.875 3.670

8 0.000 87.200Manhole 1800 370530.743 434610.713 3.515

1 0.072 5.00 90.649Manhole 1050 370595.499 434492.332 1.350

2 0.034 5.00 90.182Manhole 1350 370606.382 434508.098 1.756

3 0.044 5.00 89.926Manhole 1350 370604.868 434519.798 1.647

4 0.118 5.00 89.638Manhole 1350 370596.377 434530.573 1.530

5 0.090 5.00 88.608Manhole 1500 370589.847 434572.054 1.425

6 0.029 5.00 87.789Manhole 1500 370589.301 434591.891 1.500

7 0.125 5.00 87.477Manhole 1800 370587.132 434603.590 1.827

Inlet 01 0.000 87.200Junction 370585.682 434612.369 2.425

Outfall 01 0.000 5.00 86.050Junction 370587.330 434637.421 1.300

10 0.000 86.000Manhole 1800 370588.437 434642.537 1.500

11 0.107 5.00 84.898Manhole 1800 370590.591 434651.087 1.875

12 0.055 5.00 83.527Manhole 1800 370587.631 434672.240 1.875

13 0.095 5.00 82.093Manhole 1800 370592.742 434696.692 1.875

Page 21: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: Nodes

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

14 0.219 5.00 80.825Manhole 1800 370591.457 434717.334 1.875

Inlet 02 0.000 80.600Junction 370591.143 434723.610 1.811

9 0.070 5.00 81.000Junction 370523.453 434718.917 0.800

Inlet 04 0.055 80.150Junction 370528.128 434720.213 0.851

Outfall 02 0.000 5.00 79.900Junction 370557.200 434726.204 0.700

Inlet 03 0.000 79.900Junction 370567.514 434728.112 1.111

Outfall 03 0.000 5.00 79.900Junction 370605.448 434734.727 1.200

40 0.000 79.700Manhole 2100 370610.837 434736.203 1.100

Outfall 04 0.000 79.240Junction 370641.451 434749.751 1.140

J1 0.000 78.530Junction 370644.303 434750.907 0.753

J2 0.000 5.00 78.270Junction 370648.220 434752.609 0.726

Outfall 05 78.270Junction 370651.112 434755.302 0.990

Page 22: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: Links (Input)

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

NameUS

NodeDS

NodeLength

(m)ks (mm) /

nVelocityEquation

US IL(m)

DS IL(m)

Fall(m)

Slope(1:X)

Dia(mm)

T of C(mins)

3.000 16 17 34.738 0.600Colebrook-White 91.420 90.807 0.613 56.7 225 5.33

3.001 17 18 20.076 0.600Colebrook-White 90.807 89.525 1.282 15.7 225 5.43

3.002 18 19 15.221 0.600Colebrook-White 89.525 89.253 0.272 56.0 225 5.58

3.003 19 20 44.283 0.600Colebrook-White 89.253 88.147 1.106 40.0 300 5.87

3.004 20 21 31.009 0.600Colebrook-White 88.147 87.153 0.994 31.2 300 6.06

3.005 21 22 33.744 0.600Colebrook-White 87.153 86.745 0.408 82.7 300 6.38

3.006 22 26 39.016 0.600Colebrook-White 86.745 85.332 1.413 27.6 300 6.60

3.007 26 27 8.675 0.600Colebrook-White 85.332 84.900 0.432 20.1 300 6.64

3.008 27 32 27.048 0.600Colebrook-White 84.900 84.050 0.850 31.8 300 6.80

4.000 28 29 14.316 0.600Colebrook-White 87.708 87.633 0.075 190.9 225 5.25

4.001 29 30 20.767 0.600Colebrook-White 87.633 86.503 1.130 18.4 225 5.37

4.002 30 31 19.378 0.600Colebrook-White 86.503 85.124 1.379 14.1 225 5.46

4.003 31 32 11.139 0.600Colebrook-White 85.124 84.200 0.924 12.1 225 5.51

3.009 32 33 20.187 0.600Colebrook-White 83.975 83.840 0.135 150.0 375 7.03

3.010 33 8 12.423 0.600Colebrook-White 83.765 83.685 0.080 155.3 450 7.16

3.011 8 11 72.193 0.600Colebrook-White 83.685 83.023 0.662 109.1 450 7.77

1.000 1 2 19.157 0.600Colebrook-White 89.299 88.501 0.798 24.0 150 5.15

1.001 2 3 11.798 0.600Colebrook-White 88.426 88.279 0.147 80.3 225 5.29

1.002 3 4 13.719 0.600Colebrook-White 88.279 88.108 0.171 80.2 225 5.45

1.003 4 5 41.992 0.600Colebrook-White 88.108 87.183 0.925 45.4 225 5.81

1.004 5 6 19.845 0.600Colebrook-White 87.183 86.364 0.819 24.2 225 5.93

1.005 6 7 11.898 0.600Colebrook-White 86.289 85.650 0.639 18.6 300 5.98

1.006 7 Inlet 01 8.898 0.600Colebrook-White 85.650 85.100 0.550 16.2 300 6.02

2.000 Outfall 01 10 5.234 0.600Colebrook-White 84.750 84.500 0.250 20.9 300 5.03

2.001 10 11 8.817 0.600Colebrook-White 84.500 83.548 0.952 9.3 150 5.07

2.002 11 12 21.359 0.600Colebrook-White 83.023 81.652 1.371 15.6 450 7.84

2.003 12 13 24.980 0.600Colebrook-White 81.652 80.218 1.434 17.4 450 7.93

2.004 13 14 20.682 0.600Colebrook-White 80.218 78.950 1.268 16.3 450 8.00

2.005 14 Inlet 02 6.284 0.600Colebrook-White 78.950 78.875 0.075 83.8 450 8.04

Page 23: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: Links (Input)

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

6.000 9 Inlet 04 4.851 0.600Colebrook-White 80.200 79.796 0.404 12.0 100 5.04

7.000 Outfall 02 Inlet 03 10.489 0.600Colebrook-White 79.200 79.150 0.050 209.8 150 5.25

5.000 Outfall 03 40 5.587 0.600Colebrook-White 78.700 78.600 0.100 55.9 450 5.03

5.001 40 Outfall 04 33.478 0.600Colebrook-White 78.600 78.450 0.150 223.2 375 5.50

5.002 Outfall 04 J1 3.077 0.040Manning 78.100 77.777 0.323 9.5 500 5.51

5.003 J1 J2 4.271 0.040Manning 77.777 77.544 0.233 18.3 500 5.54

5.004 J2 Outfall 05 3.952 0.040Manning 77.544 77.280 0.264 15.0 500 5.56

Page 24: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: Links (Results)

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

NameUS

NodeDS

NodeVel

(m/s)Cap(l/s)

Flow(l/s)

USDepth

(m)

DSDepth

(m)

3.000 16 17 1.741 69.2 20.3 1.125 1.200

3.001 17 18 3.323 132.1 24.8 1.200 1.451

3.002 18 19 1.752 69.6 34.8 1.451 1.275

3.003 19 20 2.492 176.1 62.2 1.200 1.350

3.004 20 21 2.825 199.7 62.2 1.350 1.350

3.005 21 22 1.730 122.3 62.2 1.350 1.350

3.006 22 26 3.003 212.3 92.9 1.350 1.936

3.007 26 27 3.524 249.1 113.0 1.936 2.373

3.008 27 32 2.797 197.7 115.5 2.373 3.138

4.000 28 29 0.943 37.5 13.8 1.200 1.125

4.001 29 30 3.066 121.9 19.9 1.125 1.727

4.002 30 31 3.508 139.5 29.5 1.727 2.580

4.003 31 32 3.789 150.7 29.5 2.580 3.063

3.009 32 33 1.477 163.1 161.6 3.138 3.220

3.010 33 8 1.629 259.0 161.6 3.220 3.065

3.011 8 11 1.946 309.5 161.6 3.065 1.425

1.000 1 2 2.064 36.5 14.6 1.200 1.531

1.001 2 3 1.461 58.1 21.5 1.531 1.422

1.002 3 4 1.461 58.1 30.5 1.422 1.305

1.003 4 5 1.946 77.4 54.5 1.305 1.200

1.004 5 6 2.669 106.1 72.8 1.200 1.200

1.005 6 7 3.660 258.7 78.7 1.200 1.527

1.006 7 Inlet 01 3.927 277.6 104.1 1.527 1.800

2.000 Outfall 01 10 3.451 243.9 0.0 1.000 1.200

2.001 10 11 3.330 58.8 0.0 1.350 1.200

2.002 11 12 5.170 822.2 183.4 1.425 1.425

2.003 12 13 4.888 777.5 194.5 1.425 1.425

2.004 13 14 5.052 803.6 213.9 1.425 1.425

2.005 14 Inlet 02 2.222 353.4 258.4 1.425 1.275

Page 25: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: Links (Results)

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

6.000 9 Inlet 04 2.243 17.6 14.2 0.700 0.254

7.000 Outfall 02 Inlet 03 0.690 12.2 0.0 0.550 0.600

5.000 Outfall 03 40 2.724 433.2 0.0 0.750 0.650

5.001 40 Outfall 04 1.208 133.5 0.0 0.725 0.415

5.002 Outfall 04 J1 3.409 3408.9 0.0 0.640 0.253

5.003 J1 J2 2.458 2457.7 0.0 0.253 0.226

5.004 J2 Outfall 05 2.720 2719.7 0.0 0.226 0.490

Page 26: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: Pipeline Schedule

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

LinkName

Length(m)

Slope(1:X)

Dia(mm)

US CL(m)

US IL(m)

USDepth

(m)

DS CL(m)

DS IL(m)

DSDepth

(m)

US NodeName

Dia(mm)

DS NodeName

Dia(mm)

3.000 34.738 56.7 225 92.770 91.420 1.125 92.232 90.807 1.20016 105017 1350

3.001 20.076 15.7 225 92.232 90.807 1.200 91.201 89.525 1.45117 135018 1350

3.002 15.221 56.0 225 91.201 89.525 1.451 90.753 89.253 1.27518 135019 1350

3.003 44.283 40.0 300 90.753 89.253 1.200 89.797 88.147 1.35019 135020 1350

3.004 31.009 31.2 300 89.797 88.147 1.350 88.803 87.153 1.35020 135021 1350

3.005 33.744 82.7 300 88.803 87.153 1.350 88.395 86.745 1.35021 135022 1350

3.006 39.016 27.6 300 88.395 86.745 1.350 87.568 85.332 1.93622 135026 1350

3.007 8.675 20.1 300 87.568 85.332 1.936 87.573 84.900 2.37326 135027 1800

3.008 27.048 31.8 300 87.573 84.900 2.373 87.488 84.050 3.13827 180032 1800

4.000 14.316 190.9 225 89.133 87.708 1.200 88.983 87.633 1.12528 105029 1050

4.001 20.767 18.4 225 88.983 87.633 1.125 88.455 86.503 1.72729 105030 1050

4.002 19.378 14.1 225 88.455 86.503 1.727 87.929 85.124 2.58030 105031 1050

4.003 11.139 12.1 225 87.929 85.124 2.580 87.488 84.200 3.06331 105032 1800

3.009 20.187 150.0 375 87.488 83.975 3.138 87.435 83.840 3.22032 180033 1800

3.010 12.423 155.3 450 87.435 83.765 3.220 87.200 83.685 3.06533 18008 1800

3.011 72.193 109.1 450 87.200 83.685 3.065 84.898 83.023 1.4258 180011 1800

1.000 19.157 24.0 150 90.649 89.299 1.200 90.182 88.501 1.5311 10502 1350

1.001 11.798 80.3 225 90.182 88.426 1.531 89.926 88.279 1.4222 13503 1350

1.002 13.719 80.2 225 89.926 88.279 1.422 89.638 88.108 1.3053 13504 1350

1.003 41.992 45.4 225 89.638 88.108 1.305 88.608 87.183 1.2004 13505 1500

1.004 19.845 24.2 225 88.608 87.183 1.200 87.789 86.364 1.2005 15006 1500

1.005 11.898 18.6 300 87.789 86.289 1.200 87.477 85.650 1.5276 15007 1800

1.006 8.898 16.2 300 87.477 85.650 1.527 87.200 85.100 1.8007 1800Inlet 01

2.000 5.234 20.9 300 86.050 84.750 1.000 86.000 84.500 1.200Outfall 01 10 1800

2.001 8.817 9.3 150 86.000 84.500 1.350 84.898 83.548 1.20010 180011 1800

2.002 21.359 15.6 450 84.898 83.023 1.425 83.527 81.652 1.42511 180012 1800

2.003 24.980 17.4 450 83.527 81.652 1.425 82.093 80.218 1.42512 180013 1800

2.004 20.682 16.3 450 82.093 80.218 1.425 80.825 78.950 1.42513 180014 1800

2.005 6.284 83.8 450 80.825 78.950 1.425 80.600 78.875 1.27514 1800Inlet 02

6.000 4.851 12.0 100 81.000 80.200 0.700 80.150 79.796 0.2549 Inlet 04

7.000 10.489 209.8 150 79.900 79.200 0.550 79.900 79.150 0.600Outfall 02 Inlet 03

Page 27: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: Pipeline Schedule

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

5.000 5.587 55.9 450 79.900 78.700 0.750 79.700 78.600 0.650Outfall 03 40 2100

5.001 33.478 223.2 375 79.700 78.600 0.725 79.240 78.450 0.41540 2100Outfall 04

5.002 3.077 9.5 500 79.240 78.100 0.640 78.530 77.777 0.253Outfall 04 J1

5.003 4.271 18.3 500 78.530 77.777 0.253 78.270 77.544 0.226J1 J2

5.004 3.952 15.0 500 78.270 77.544 0.226 78.270 77.280 0.490J2 Outfall 05

Page 28: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: Manhole Schedule

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

NodeName

Easting(m)

Northing(m)

CL(m)

Depth(m)

Dia(mm)

LinkID

IL(m)

Dia(mm)

16 370555.570 434429.737 92.770 1.350 1050

0 3.000 91.420 225

17 370574.082 434459.131 92.232 1.425 13501 3.000 90.807 225

0 3.001 90.807 225

18 370558.512 434471.804 91.201 1.676 13501 3.001 89.525 225

0 3.002 89.525 225

19 370545.790 434480.161 90.753 1.500 13501 3.002 89.253 225

0 3.003 89.253 300

20 370530.822 434521.838 89.797 1.650 13501 3.003 88.147 300

0 3.004 88.147 300

21 370501.155 434512.813 88.803 1.650 13501 3.004 87.153 300

0 3.005 87.153 300

22 370489.815 434544.594 88.395 1.650 13501 3.005 86.745 300

0 3.006 86.745 300

26 370481.919 434582.803 87.568 2.236 13501 3.006 85.332 300

Page 29: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: Manhole Schedule

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

0 3.007 85.332 300

27 370488.519 434588.433 87.573 2.673 18001 3.007 84.900 300

0 3.008 84.900 300

28 370542.587 434553.165 89.133 1.425 1050

0 4.000 87.708 225

29 370528.667 434556.511 88.983 1.350 10501 4.000 87.633 225

0 4.001 87.633 225

30 370510.289 434566.181 88.455 1.952 10501 4.001 86.503 225

0 4.002 86.503 225

31 370507.221 434585.315 87.929 2.805 10501 4.002 85.124 225

0 4.003 85.124 225

32 370515.156 434593.133 87.488 3.513 18001 4.003 84.200 225

2 3.008 84.050 300

0 3.009 83.975 375

33 370534.509 434598.875 87.435 3.670 18001 3.009 83.840 375

0 3.010 83.765 450

8 370530.743 434610.713 87.200 3.515 18001 3.010 83.685 450

Page 30: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: Manhole Schedule

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

0 3.011 83.685 450

1 370595.499 434492.332 90.649 1.350 1050

0 1.000 89.299 150

2 370606.382 434508.098 90.182 1.756 13501 1.000 88.501 150

0 1.001 88.426 225

3 370604.868 434519.798 89.926 1.647 13501 1.001 88.279 225

0 1.002 88.279 225

4 370596.377 434530.573 89.638 1.530 13501 1.002 88.108 225

0 1.003 88.108 225

5 370589.847 434572.054 88.608 1.425 15001 1.003 87.183 225

0 1.004 87.183 225

6 370589.301 434591.891 87.789 1.500 15001 1.004 86.364 225

0 1.005 86.289 300

7 370587.132 434603.590 87.477 1.827 18001 1.005 85.650 300

0 1.006 85.650 300

Inlet 01 370585.682 434612.369 87.200 2.425 1 1.006 85.100 300

Page 31: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: Manhole Schedule

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Outfall 01 370587.330 434637.421 86.050 1.300

0 2.000 84.750 300

10 370588.437 434642.537 86.000 1.500 18001 2.000 84.500 300

0 2.001 84.500 150

11 370590.591 434651.087 84.898 1.875 18001 3.011 83.023 450

2 2.001 83.548 150

0 2.002 83.023 450

12 370587.631 434672.240 83.527 1.875 18001 2.002 81.652 450

0 2.003 81.652 450

13 370592.742 434696.692 82.093 1.875 18001 2.003 80.218 450

0 2.004 80.218 450

14 370591.457 434717.334 80.825 1.875 18001 2.004 78.950 450

0 2.005 78.950 450

Inlet 02 370591.143 434723.610 80.600 1.811 1 2.005 78.875 450

9 370523.453 434718.917 81.000 0.800

Page 32: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: Manhole Schedule

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

0 6.000 80.200 100

Inlet 04 370528.128 434720.213 80.150 0.851 1 6.000 79.796 100

Outfall 02 370557.200 434726.204 79.900 0.700

0 7.000 79.200 150

Inlet 03 370567.514 434728.112 79.900 1.111 1 7.000 79.150 150

Outfall 03 370605.448 434734.727 79.900 1.200

0 5.000 78.700 450

40 370610.837 434736.203 79.700 1.100 21001 5.000 78.600 450

0 5.001 78.600 375

Outfall 04 370641.451 434749.751 79.240 1.140 1 5.001 78.450 375

0 5.002 78.100 500

J1 370644.303 434750.907 78.530 0.753 1 5.002 77.777 500

0 5.003 77.777 500

J2 370648.220 434752.609 78.270 0.726 1 5.003 77.544 500

Page 33: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: Manhole Schedule

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

0 5.004 77.544 500

Outfall 05 370651.112 434755.302 78.270 0.990 1 5.004 77.280 500

Page 34: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: Simulation Settings

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Rainfall Methodology FSR Return Period (years) Climate Change (%)

FSR Region England and Wales 2 0

M5-60 (mm) 18.900 30 0

Ratio-R 0.300 100 30

Summer CV 0.750 100 40

Winter CV 0.840

Analysis Speed Normal

Skip Steady State

Drain Down Time (mins) 240

Additional Storage (m³/ha) 20.0

Storm Durations (mins) 30

60

120

180

240

360

Check Discharge Rate(s)

1 year (l/s)

30 year (l/s)

100 year (l/s)

Check Discharge Volume

100 year 360 minute (m³)

Page 35: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: Pre-development Discharge Rate

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Site Makeup Greenfield

Greenfield Method IH124

Positively Drained Area (ha)

SAAR (mm)

Soil Index 1

SPR 0.10

Region 1

Growth Factor 1 year 0.85

Growth Factor 30 years 1.95

Growth Factor 100 years 2.48

Betterment (%) 0

QBar

Q 1 year (l/s)

Q 30 year (l/s)

Q 100 year (l/s)

Page 36: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: Pre-development Discharge Volume

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Site Makeup Greenfield

Greenfield Method FSR/FEH

Positively Drained Area (ha)

Soil Index 1

SPR 0.10

CWI

Return Period (years) 100

Climate Change (%) 0

Storm Duration (mins) 360

Betterment (%) 0

PR

Runoff Volume (m3)

Page 37: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: Flow Controls

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Orifice

NodeFlap

ValveOnline / Offline

ReplacesDownstream

Link

Loopto

Node

InvertLevel(m)

DesignDepth

(m)

DesignFlow(l/s)

Diameter(m)

DischargeCoefficient

J1 x Online 77.777 0.361 0.1 0.008 0.600

J2 x Online 77.544 0.378 0.1 0.008 0.600

Weir

NodeFlap

ValveOnline / Offline

ReplacesDownstream

Link

Loopto

Node

InvertLevel(m)

DesignDepth

(m)

DesignFlow(l/s)

Width(m)

DischargeCoefficient

J1 x Online 78.138 0.361 10.0 2.600 0.590

J2 x Online 77.922 0.378 10.0 2.600 0.590

Hydro-Brake®

NodeFlap

ValveOnline / Offline

ReplacesDownstream

Link

Loopto

Node

InvertLevel(m)

DesignDepth

(m)

DesignFlow(l/s)

ObjectiveSump

AvailableProductNumber

Min OutletDiameter

(m)

Min NodeDiameter

(mm)

10 x Online 84.500 1.000 6.5(HE) Minimise upstream storage CTL-SHE-0119-6500-1000-6500 0.150 1200

40 x Online 78.600 1.050 38.8(HE) Minimise upstream storage CTL-SHE-0264-3880-1050-3880 0.300 1800

40 x Online 79.100 0.600 54.0(HE) Minimise upstream storage CTL-SHE-0310-5400-0600-5400 0.375 1800

Page 38: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: Storage Structures

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Flow through Pond

NodeBase Inf

Coefficient(m/hr)

Side InfCoefficient

(m/hr)

SafetyFactor

PorosityInvertLevel(m)

Time tohalf empty

(mins)

Main ChannelLength (m)

Main Channel Slope (1:X)

Main Channeln

InletsDepth

(m)Area(m²)

Inf.Area(m²)

Outfall 03 0.00000 0.00000 2.0 1.00 78.700 88 88.700 1000.0 0.350Inlet 03 0.000 382.5 0.0

Inlet 02 1.200 635.1 0.0

Outfall 01 0.00000 0.00000 2.0 1.00 84.750 25.150 1000.0 0.350Inlet 01 0.000 223.9 0.0

1.300 498.3 0.0

Outfall 02 0.00000 0.00000 2.0 1.00 79.200 56 29.680 300.0 0.350Inlet 04 0.000 28.9 0.0

0.700 151.6 0.0

Page 39: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: Rainfall

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

EventPeak

Intensity(mm/hr)

AverageIntensity(mm/hr)

2 year 30 minute summer 82.330 23.297

2 year 30 minute winter 57.776 23.297

2 year 60 minute summer 57.772 15.267

2 year 60 minute winter 38.382 15.267

2 year 120 minute summer 37.188 9.828

2 year 120 minute winter 24.707 9.828

2 year 180 minute summer 29.390 7.563

2 year 180 minute winter 19.104 7.563

2 year 240 minute summer 23.736 6.273

2 year 240 minute winter 15.770 6.273

2 year 360 minute summer 18.628 4.794

2 year 360 minute winter 12.109 4.794

30 year 30 minute summer 156.780 44.363

30 year 30 minute winter 110.021 44.363

30 year 60 minute summer 110.037 29.080

30 year 60 minute winter 73.106 29.080

30 year 120 minute summer 69.988 18.496

30 year 120 minute winter 46.498 18.496

30 year 180 minute summer 54.453 14.013

30 year 180 minute winter 35.396 14.013

30 year 240 minute summer 43.296 11.442

30 year 240 minute winter 28.765 11.442

30 year 360 minute summer 33.421 8.600

30 year 360 minute winter 21.725 8.600

100 year +30% 30 minute summer 265.898 75.240

100 year +30% 30 minute winter 186.595 75.240

100 year +30% 60 minute summer 187.925 49.663

100 year +30% 60 minute winter 124.853 49.663

100 year +30% 120 minute summer 119.576 31.601

Page 40: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: Rainfall

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

100 year +30% 120 minute winter 79.444 31.601

100 year +30% 180 minute summer 92.612 23.832

100 year +30% 180 minute winter 60.200 23.832

100 year +30% 240 minute summer 73.204 19.346

100 year +30% 240 minute winter 48.635 19.346

100 year +30% 360 minute summer 56.099 14.436

100 year +30% 360 minute winter 36.466 14.436

100 year +40% 30 minute summer 286.352 81.028

100 year +40% 30 minute winter 200.949 81.028

100 year +40% 60 minute summer 202.380 53.483

100 year +40% 60 minute winter 134.457 53.483

100 year +40% 120 minute summer 128.774 34.031

100 year +40% 120 minute winter 85.555 34.031

100 year +40% 180 minute summer 99.736 25.665

100 year +40% 180 minute winter 64.831 25.665

100 year +40% 240 minute summer 78.835 20.834

100 year +40% 240 minute winter 52.376 20.834

100 year +40% 360 minute summer 60.415 15.547

100 year +40% 360 minute winter 39.271 15.547

Page 41: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 2 year Critical

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 2 year Critical Storm Duration. Lowest mass balance: 99.31%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

30 minute summer 16 18 91.492 0.072 13.8 0.1694 0.0000OK 3.000 17 13.8 1.517 0.199 0.3174

30 minute summer 17 18 90.861 0.054 16.8 0.0940 0.0000OK 3.001 18 16.8 1.470 0.127 0.2325

30 minute summer 18 18 89.620 0.095 23.6 0.1909 0.0000OK 3.002 19 23.6 1.400 0.338 0.2564

30 minute summer 19 18 89.357 0.104 42.3 0.3346 0.0000OK 3.003 20 42.2 2.110 0.240 0.8863

30 minute summer 20 18 88.240 0.093 42.2 0.1326 0.0000OK 3.004 21 42.0 1.806 0.210 0.7229

30 minute summer 21 18 87.279 0.126 42.0 0.1807 0.0000OK 3.005 22 41.7 1.618 0.341 0.8741

30 minute summer 22 18 86.856 0.111 62.3 0.3619 0.0000OK 3.006 26 61.6 2.363 0.290 1.0220

30 minute summer 26 18 85.460 0.128 75.3 0.2971 0.0000OK 3.007 27 74.7 2.567 0.300 0.2529

30 minute summer 27 18 85.031 0.131 76.4 0.3452 0.0000OK 3.008 32 76.4 2.225 0.386 0.9403

30 minute summer 28 18 87.788 0.080 9.4 0.1450 0.0000OK 4.000 29 9.4 0.991 0.251 0.1373

30 minute summer 29 18 87.683 0.050 13.5 0.0660 0.0000OK 4.001 30 13.5 1.811 0.111 0.1552

30 minute summer 30 18 86.562 0.059 20.0 0.0798 0.0000OK 4.002 31 20.0 2.426 0.143 0.1598

30 minute summer 31 18 85.182 0.058 20.0 0.0506 0.0000OK 4.003 32 20.0 2.547 0.133 0.0875

30 minute summer 32 19 84.216 0.241 107.2 0.7264 0.0000OK 3.009 33 107.2 1.519 0.657 1.4243

30 minute summer 33 19 83.989 0.224 107.2 0.5703 0.0000OK 3.010 8 107.6 1.482 0.415 0.9016

30 minute summer 8 19 83.881 0.196 107.6 0.4992 0.0000OK 3.011 11 107.7 2.129 0.348 3.6803

30 minute summer 1 18 89.354 0.055 10.0 0.1071 0.0000OK 1.000 2 10.0 1.728 0.274 0.1108

30 minute summer 2 18 88.508 0.082 14.7 0.1487 0.0000OK 1.001 3 14.7 0.986 0.253 0.1761

30 minute summer 3 18 88.378 0.099 20.8 0.1949 0.0000OK 1.002 4 20.8 1.139 0.358 0.2506

30 minute summer 4 18 88.220 0.112 37.1 0.3325 0.0000OK 1.003 5 37.1 1.849 0.479 0.8416

30 minute summer 5 18 87.298 0.115 49.5 0.3485 0.0000OK 1.004 6 49.2 2.522 0.463 0.3870

30 minute summer 6 18 86.387 0.098 53.2 0.2106 0.0000OK 1.005 7 53.1 2.459 0.205 0.2570

30 minute summer 7 18 85.760 0.110 70.4 0.4290 0.0000OK 1.006 Inlet 01 70.2 3.163 0.253 0.1976

120 minute winter Inlet 01 98 84.974 0.199 29.1 0.0000 0.0000OK Flow through pond Outfall 01 22.8 0.025 0.006 52.0768

120 minute winter Outfall 01 100 84.974 0.224 54.4 0.0000 0.0000OK 2.000 10 43.8 0.774 0.180 0.3317

120 minute winter 10 94 84.985 0.485 43.8 1.2333 0.0000SURCHARGED Hydro-Brake® 11 6.5

30 minute summer 11 19 83.147 0.124 127.2 0.4585 0.0000OK 2.002 12 126.4 3.387 0.154 0.7977

30 minute summer 12 19 81.785 0.133 133.3 0.4161 0.0000OK 2.003 13 132.7 3.502 0.171 0.9468

30 minute summer 13 19 80.345 0.127 144.7 0.4524 0.0000OK 2.004 14 144.1 1.767 0.179 2.0115

30 minute winter 14 21 79.430 0.480 160.4 2.3430 0.0000SURCHARGED 2.005 Inlet 02 152.8 1.613 0.432 0.9957

30 minute winter Inlet 02 21 79.408 0.619 152.8 0.0000 0.0000OK Flow through pond Outfall 03 78.5 0.068 0.091 108.6434

30 minute summer 9 18 80.253 0.053 9.7 0.0932 0.0000OK 6.000 Inlet 04 9.7 2.293 0.551 0.0205

30 minute summer Inlet 04 20 79.510 0.211 17.3 0.2724 0.0000OK Flow through pond Outfall 02 12.1 0.057 0.047 6.6282

30 minute winter Outfall 02 24 79.306 0.106 12.4 0.0000 0.0000OK 7.000 Inlet 03 10.9 0.861 0.893 0.1326

30 minute winter Inlet 03 26 79.221 0.433 10.9 0.0000 0.0000OK Flow through pond Outfall 03 78.5 0.068 0.091 108.6434

120 minute winter Outfall 03 98 79.033 0.333 117.7 0.0000 0.0000OK 5.000 40 110.3 0.970 0.255 0.7927

60 minute winter 40 60 79.084 0.484 112.8 1.6768 0.0000SURCHARGED Hydro-Brake® Outfall 04 38.7

Hydro-Brake® Outfall 04 0.0

120 minute winter Outfall 04 134 78.177 0.077 38.7 0.0000 0.0000OK 5.002 J1 39.9 0.138 0.012 1.1383

Page 42: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 2 year Critical

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

120 minute summer J1 106 78.179 0.402 41.2 0.0000 0.0000OK Weir J2 39.7

Orifice J2 0.1

120 minute summer J2 106 77.963 0.419 39.8 0.0000 0.0000OK Weir Outfall 05 39.0 267.6

Orifice Outfall 05 0.1 1.6

30 minute summer Outfall 05 1 77.280 0.000 38.2 0.0000 0.0000OK

Page 43: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 30 year Critical

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 30 year Critical Storm Duration. Lowest mass balance: 99.31%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

30 minute summer 16 18 91.523 0.103 26.3 0.2415 0.0000OK 3.000 17 26.3 1.801 0.380 0.5089

30 minute summer 17 18 90.882 0.075 32.1 0.1309 0.0000OK 3.001 18 32.1 1.670 0.243 0.3866

30 minute summer 18 18 89.669 0.144 45.0 0.2910 0.0000OK 3.002 19 45.0 1.637 0.646 0.4183

30 minute summer 19 18 89.403 0.150 80.6 0.4839 0.0000OK 3.003 20 80.6 2.490 0.457 1.4334

30 minute summer 20 18 88.278 0.131 80.6 0.1877 0.0000OK 3.004 21 80.3 2.103 0.402 1.1825

30 minute summer 21 18 87.342 0.189 80.3 0.2701 0.0000OK 3.005 22 79.6 1.883 0.651 1.4412

30 minute summer 22 18 86.907 0.162 119.4 0.5278 0.0000OK 3.006 26 118.6 2.669 0.559 1.7355

30 minute summer 26 18 85.533 0.201 144.7 0.4661 0.0000OK 3.007 27 143.7 2.830 0.577 0.4510

30 minute summer 27 19 85.114 0.214 146.9 0.5648 0.0000OK 3.008 32 146.3 2.221 0.740 1.6810

30 minute summer 28 18 87.820 0.112 17.9 0.2043 0.0000OK 4.000 29 17.9 1.188 0.478 0.2169

30 minute summer 29 18 87.703 0.070 25.8 0.0918 0.0000OK 4.001 30 25.8 2.129 0.212 0.2520

30 minute summer 30 18 86.588 0.085 38.2 0.1147 0.0000OK 4.002 31 38.2 2.972 0.274 0.2493

30 minute summer 31 18 85.201 0.077 38.2 0.0666 0.0000OK 4.003 32 38.2 2.672 0.254 0.2882

30 minute summer 32 19 84.465 0.490 204.9 1.4757 0.0000SURCHARGED 3.009 33 204.6 1.860 1.254 2.1440

30 minute summer 33 19 84.105 0.340 204.6 0.8645 0.0000OK 3.010 8 205.1 1.734 0.792 1.4659

30 minute summer 8 19 83.974 0.289 205.1 0.7359 0.0000OK 3.011 11 205.8 2.472 0.665 6.0063

30 minute summer 1 18 89.380 0.081 19.0 0.1560 0.0000OK 1.000 2 19.0 2.028 0.521 0.1795

30 minute summer 2 18 88.551 0.125 28.0 0.2270 0.0000OK 1.001 3 28.0 1.079 0.482 0.3056

30 minute summer 3 18 88.434 0.155 39.6 0.3052 0.0000OK 1.002 4 39.6 1.267 0.681 0.4286

30 minute summer 4 18 88.284 0.176 70.7 0.5224 0.0000OK 1.003 5 70.5 2.060 0.911 1.4370

30 minute summer 5 18 87.369 0.186 94.2 0.5648 0.0000OK 1.004 6 93.4 2.835 0.880 0.6534

30 minute summer 6 18 86.433 0.144 101.0 0.3098 0.0000OK 1.005 7 100.8 2.812 0.390 0.4281

30 minute summer 7 18 85.811 0.161 133.7 0.6311 0.0000OK 1.006 Inlet 01 133.4 3.687 0.480 0.3219

180 minute winter Inlet 01 176 85.219 0.444 41.8 0.0000 0.0000OK Flow through pond Outfall 01 24.3 0.021 0.007 124.0819

180 minute winter Outfall 01 176 85.219 0.469 45.3 0.0000 0.0000SURCHARGED 2.000 10 29.1 0.585 0.119 0.3686

180 minute winter 10 176 85.218 0.718 29.1 1.8282 0.0000SURCHARGED Hydro-Brake® 11 6.5

30 minute summer 11 19 83.202 0.179 237.8 0.6602 0.0000OK 2.002 12 237.3 3.994 0.289 1.2690

30 minute summer 12 19 81.834 0.182 250.5 0.5698 0.0000OK 2.003 13 250.9 3.774 0.323 1.7945

30 minute summer 13 19 80.453 0.235 273.7 0.8354 0.0000OK 2.004 14 269.8 1.960 0.336 2.5033

30 minute summer 14 20 80.006 1.056 322.3 5.1528 0.0000SURCHARGED 2.005 Inlet 02 312.5 1.972 0.884 0.9957

30 minute summer Inlet 02 20 79.902 1.114 312.5 0.0000 0.0000OK Flow through pond Outfall 03 175.3 0.098 0.204 186.6680

30 minute summer 9 18 80.286 0.086 18.4 0.1512 0.0000OK 6.000 Inlet 04 18.4 2.531 1.044 0.0363

30 minute summer Inlet 04 20 79.591 0.292 32.9 0.3778 0.0000OK Flow through pond Outfall 02 26.8 0.074 0.104 12.0496

30 minute winter Outfall 02 26 79.483 0.283 27.3 0.0000 0.0000SURCHARGED 7.000 Inlet 03 15.1 0.899 1.242 0.1847

30 minute winter Inlet 03 25 79.427 0.638 15.1 0.0000 0.0000OK Flow through pond Outfall 03 199.5 0.102 0.232 208.8244

120 minute winter Outfall 03 90 79.303 0.602 192.7 0.0000 0.0000SURCHARGED 5.000 40 129.7 0.857 0.299 0.8852

120 minute winter 40 90 79.298 0.698 129.7 2.4167 0.0000SURCHARGED Hydro-Brake® Outfall 04 38.7

Hydro-Brake® Outfall 04 31.3

60 minute winter Outfall 04 67 78.192 0.092 63.1 0.0000 0.0000OK 5.002 J1 63.9 0.204 0.019 1.2245

Page 44: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 30 year Critical

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

120 minute winter J1 88 78.196 0.419 68.2 0.0000 0.0000OK Weir J2 67.8

Orifice J2 0.1

120 minute winter J2 88 77.980 0.436 67.9 0.0000 0.0000OK Weir Outfall 05 68.1 517.0

Orifice Outfall 05 0.1 1.6

30 minute summer Outfall 05 1 77.280 0.000 45.1 0.0000 0.0000OK

Page 45: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +30% Critical

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 100 year +30% Critical Storm Duration. Lowest mass balance: 99.31%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

30 minute summer 16 18 91.563 0.143 44.7 0.3359 0.0000OK 3.000 17 44.7 2.042 0.646 0.7592

30 minute summer 17 18 90.907 0.100 54.5 0.1743 0.0000OK 3.001 18 54.5 1.732 0.413 0.5706

30 minute summer 18 18 89.878 0.353 76.4 0.7112 0.0000SURCHARGED 3.002 19 75.0 1.886 1.077 0.5968

30 minute summer 19 18 89.463 0.210 135.3 0.6800 0.0000OK 3.003 20 135.5 2.720 0.769 2.4902

30 minute summer 20 20 88.479 0.332 135.5 0.4751 0.0000SURCHARGED 3.004 21 125.1 2.238 0.627 2.1836

30 minute summer 21 20 88.071 0.918 125.1 1.3136 0.0000SURCHARGED 3.005 22 121.9 1.884 0.997 2.3762

30 minute summer 22 20 87.625 0.880 187.2 2.8712 0.0000SURCHARGED 3.006 26 170.2 2.627 0.802 2.7475

30 minute summer 26 20 86.570 1.238 214.4 2.8690 0.0000SURCHARGED 3.007 27 200.7 2.851 0.806 0.6109

30 minute summer 27 20 86.068 1.168 204.9 3.0778 0.0000SURCHARGED 3.008 32 206.6 2.934 1.045 1.9047

30 minute summer 28 18 87.861 0.153 30.4 0.2789 0.0000OK 4.000 29 30.4 1.356 0.811 0.3198

30 minute summer 29 18 87.728 0.095 43.8 0.1242 0.0000OK 4.001 30 43.8 2.479 0.359 0.3672

30 minute summer 30 17 86.615 0.112 64.7 0.1513 0.0000OK 4.002 31 65.0 3.219 0.466 0.4244

30 minute summer 31 19 85.257 0.133 65.0 0.1155 0.0000OK 4.003 32 64.1 2.713 0.426 0.3580

30 minute summer 32 19 84.901 0.926 294.4 2.7877 0.0000SURCHARGED 3.009 33 293.6 2.662 1.800 2.2266

30 minute summer 33 19 84.275 0.510 293.6 1.2975 0.0000SURCHARGED 3.010 8 293.2 1.865 1.132 1.8711

30 minute summer 8 20 84.065 0.380 293.2 0.9670 0.0000OK 3.011 11 292.6 2.640 0.945 7.9255

30 minute summer 1 20 89.957 0.658 32.2 1.2718 0.0000SURCHARGED 1.000 2 28.3 2.084 0.777 0.3373

30 minute summer 2 20 89.543 1.117 42.8 2.0315 0.0000SURCHARGED 1.001 3 36.2 1.102 0.624 0.4692

30 minute summer 3 20 89.467 1.188 52.7 2.3361 0.0000SURCHARGED 1.002 4 52.6 1.322 0.905 0.5456

30 minute summer 4 20 89.298 1.190 95.1 3.5387 0.0000SURCHARGED 1.003 5 88.8 2.232 1.147 1.6701

30 minute summer 5 19 87.894 0.711 123.3 2.1556 0.0000SURCHARGED 1.004 6 121.0 3.042 1.140 0.7890

30 minute summer 6 19 86.461 0.172 132.8 0.3714 0.0000OK 1.005 7 132.7 2.985 0.513 0.5475

30 minute summer 7 18 85.852 0.202 185.6 0.7913 0.0000OK 1.006 Inlet 01 185.0 3.942 0.666 0.4174

240 minute winter Inlet 01 236 85.545 0.770 58.1 0.0000 0.0000OK Flow through pond Outfall 01 32.1 0.020 0.009 239.6618

240 minute winter Outfall 01 236 85.545 0.795 45.2 0.0000 0.0000SURCHARGED 2.000 10 45.8 0.781 0.188 0.3686

240 minute winter 10 236 85.544 1.044 45.8 2.6578 0.0000SURCHARGED Hydro-Brake® 11 6.6

30 minute summer 11 19 83.243 0.220 340.5 0.8109 0.0000OK 2.002 12 341.1 4.245 0.415 1.8023

30 minute summer 12 20 81.907 0.255 363.5 0.7981 0.0000OK 2.003 13 359.7 3.721 0.463 3.1356

30 minute summer 13 20 81.124 0.906 398.3 3.2220 0.0000SURCHARGED 2.004 14 389.1 2.456 0.484 3.2769

30 minute summer 14 20 80.667 1.717 475.8 8.3824 0.0000FLOOD RISK 2.005 Inlet 02 467.8 2.953 1.324 0.9957

30 minute winter Inlet 02 21 80.446 1.657 450.3 0.0000 0.0000OK Flow through pond Outfall 03 376.7 0.127 0.438 339.3783

30 minute summer 9 19 80.999 0.799 31.3 1.3985 0.0000FLOOD RISK 6.000 Inlet 04 28.3 3.618 1.607 0.0379

60 minute winter Inlet 04 46 79.665 0.366 34.8 0.4733 0.0000OK Flow through pond Outfall 02 31.1 0.068 0.121 27.2758

60 minute winter Outfall 02 47 79.662 0.462 31.1 0.0000 0.0000FLOOD RISK 7.000 Inlet 03 12.0 0.859 0.987 0.1847

120 minute winter Inlet 03 92 79.638 0.849 11.3 0.0000 0.0000OK Flow through pond Outfall 03 182.6 0.078 0.212 415.1226

120 minute winter Outfall 03 92 79.615 0.915 207.8 0.0000 0.0000FLOOD RISK 5.000 40 103.1 1.013 0.238 0.8852

120 minute winter 40 92 79.607 1.007 103.1 3.4868 0.0000FLOOD RISK Hydro-Brake® Outfall 04 38.7

Hydro-Brake® Outfall 04 53.9

60 minute winter Outfall 04 47 78.207 0.107 90.8 0.0000 0.0000OK 5.002 J1 109.0 0.314 0.032 1.3332

Page 46: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +30% Critical

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

180 minute winter J1 120 78.215 0.438 108.9 0.0000 0.0000OK Weir J2 100.7

Orifice J2 0.1

60 minute summer J2 48 78.000 0.456 100.7 0.0000 0.0000OK Weir Outfall 05 102.9 591.0

Orifice Outfall 05 0.1 1.4

30 minute summer Outfall 05 1 77.280 0.000 93.8 0.0000 0.0000OK

Page 47: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +40% Critical

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 100 year +40% Critical Storm Duration. Lowest mass balance: 99.31%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

30 minute summer 16 18 91.571 0.151 48.1 0.3536 0.0000OK 3.000 17 48.1 2.073 0.695 0.8039

30 minute summer 17 18 90.911 0.104 58.7 0.1818 0.0000OK 3.001 18 58.7 1.760 0.444 0.5803

30 minute summer 18 18 89.952 0.427 82.3 0.8608 0.0000SURCHARGED 3.002 19 81.1 2.040 1.165 0.6050

30 minute summer 19 19 89.477 0.224 146.0 0.7223 0.0000OK 3.003 20 147.1 2.751 0.835 2.8060

30 minute summer 20 20 88.879 0.732 147.1 1.0475 0.0000SURCHARGED 3.004 21 132.8 2.256 0.665 2.1836

30 minute summer 21 20 88.420 1.267 132.8 1.8136 0.0000SURCHARGED 3.005 22 123.1 1.905 1.006 2.3762

30 minute summer 22 20 87.930 1.185 185.2 3.8641 0.0000SURCHARGED 3.006 26 173.2 2.635 0.816 2.7475

30 minute summer 26 20 86.786 1.454 212.3 3.3679 0.0000SURCHARGED 3.007 27 208.6 2.962 0.837 0.6109

30 minute summer 27 20 86.243 1.343 212.8 3.5379 0.0000SURCHARGED 3.008 32 215.3 3.057 1.089 1.9047

30 minute summer 28 18 87.869 0.161 32.7 0.2925 0.0000OK 4.000 29 32.7 1.377 0.872 0.3379

30 minute summer 29 18 87.732 0.099 47.1 0.1301 0.0000OK 4.001 30 47.0 2.547 0.386 0.3860

30 minute summer 30 17 86.619 0.116 69.6 0.1565 0.0000OK 4.002 31 69.9 3.219 0.501 0.4750

30 minute summer 31 19 85.283 0.159 69.9 0.1373 0.0000OK 4.003 32 68.7 2.664 0.456 0.3881

30 minute summer 32 19 84.989 1.014 308.2 3.0535 0.0000SURCHARGED 3.009 33 307.1 2.785 1.883 2.2266

30 minute summer 33 19 84.304 0.539 307.1 1.3719 0.0000SURCHARGED 3.010 8 306.5 1.937 1.183 1.9103

30 minute summer 8 20 84.086 0.401 306.5 1.0200 0.0000OK 3.011 11 306.0 2.656 0.989 8.1871

30 minute summer 1 20 90.239 0.940 34.6 1.8167 0.0000SURCHARGED 1.000 2 30.4 2.116 0.832 0.3373

30 minute summer 2 20 89.792 1.366 45.3 2.4852 0.0000SURCHARGED 1.001 3 37.8 1.114 0.652 0.4692

30 minute summer 3 20 89.712 1.433 52.7 2.8177 0.0000FLOOD RISK 1.002 4 54.9 1.380 0.945 0.5456

30 minute summer 4 20 89.533 1.425 99.6 4.2384 0.0000FLOOD RISK 1.003 5 92.4 2.324 1.194 1.6701

30 minute summer 5 19 88.009 0.826 129.1 2.5022 0.0000SURCHARGED 1.004 6 126.3 3.176 1.190 0.7892

30 minute summer 6 19 86.467 0.178 138.8 0.3832 0.0000OK 1.005 7 138.7 3.011 0.536 0.5708

30 minute summer 7 18 85.860 0.210 195.4 0.8229 0.0000OK 1.006 Inlet 01 194.7 3.978 0.701 0.4352

240 minute winter Inlet 01 236 85.608 0.833 62.5 0.0000 0.0000OK Flow through pond Outfall 01 34.4 0.020 0.009 264.6059

240 minute winter Outfall 01 236 85.608 0.858 42.0 0.0000 0.0000SURCHARGED 2.000 10 47.6 0.844 0.195 0.3686

240 minute winter 10 236 85.608 1.108 47.6 2.8186 0.0000SURCHARGED Hydro-Brake® 11 6.8

30 minute summer 11 19 83.246 0.223 356.3 0.8232 0.0000OK 2.002 12 356.9 4.286 0.434 1.9755

30 minute summer 12 20 81.943 0.291 381.0 0.9098 0.0000OK 2.003 13 375.8 3.640 0.483 3.3308

30 minute summer 13 20 81.283 1.065 417.4 3.7893 0.0000SURCHARGED 2.004 14 409.2 2.583 0.509 3.2769

30 minute summer 14 20 80.778 1.828 502.0 8.9224 0.0000FLOOD RISK 2.005 Inlet 02 494.0 3.118 1.398 0.9957

30 minute winter Inlet 02 21 80.528 1.739 476.0 0.0000 0.0000OK Flow through pond Outfall 03 401.5 0.131 0.467 365.9281

30 minute summer 9 18 81.000 0.800 33.7 1.6602 0.0000FLOOD RISK 6.000 Inlet 04 30.2 3.855 1.712 0.0376

120 minute winter Inlet 04 96 79.705 0.406 24.7 0.5246 0.0000OK Flow through pond Outfall 02 21.6 0.059 0.084 31.6077

120 minute winter Outfall 02 96 79.704 0.504 21.6 0.0000 0.0000FLOOD RISK 7.000 Inlet 03 11.2 0.814 0.922 0.1847

120 minute winter Inlet 03 94 79.694 0.905 11.2 0.0000 0.0000OK Flow through pond Outfall 03 191.8 0.078 0.223 450.7316

120 minute winter Outfall 03 92 79.678 0.978 213.8 0.0000 0.0000FLOOD RISK 5.000 40 119.9 1.017 0.277 0.8852

120 minute winter 40 92 79.669 1.069 119.9 3.7037 0.0000FLOOD RISK Hydro-Brake® Outfall 04 39.2

Hydro-Brake® Outfall 04 53.9

120 minute winter Outfall 04 74 78.206 0.106 91.8 0.0000 0.0000OK 5.002 J1 109.1 0.314 0.032 1.3388

Page 48: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +40% Critical

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

120 minute winter J1 90 78.216 0.439 109.1 0.0000 0.0000OK Weir J2 102.1

Orifice J2 0.1

120 minute winter J2 90 78.001 0.457 102.2 0.0000 0.0000OK Weir Outfall 05 105.3 899.3

Orifice Outfall 05 0.1 1.7

30 minute summer Outfall 05 1 77.280 0.000 93.9 0.0000 0.0000OK

Page 49: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 2 year 30 minute summer

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 2 year 30 minute summer. 270 minute analysis at 1 minute timestep. Mass balance: 99.31%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

30 minute summer 16 18 91.492 0.072 13.8 0.1694 0.0000OK 3.000 17 13.8 1.517 0.199 0.3174

30 minute summer 17 18 90.861 0.054 16.8 0.0940 0.0000OK 3.001 18 16.8 1.470 0.127 0.2325

30 minute summer 18 18 89.620 0.095 23.6 0.1909 0.0000OK 3.002 19 23.6 1.400 0.338 0.2564

30 minute summer 19 18 89.357 0.104 42.3 0.3346 0.0000OK 3.003 20 42.2 2.110 0.240 0.8863

30 minute summer 20 18 88.240 0.093 42.2 0.1326 0.0000OK 3.004 21 42.0 1.806 0.210 0.7229

30 minute summer 21 18 87.279 0.126 42.0 0.1807 0.0000OK 3.005 22 41.7 1.618 0.341 0.8741

30 minute summer 22 18 86.856 0.111 62.3 0.3619 0.0000OK 3.006 26 61.6 2.363 0.290 1.0220

30 minute summer 26 18 85.460 0.128 75.3 0.2971 0.0000OK 3.007 27 74.7 2.567 0.300 0.2529

30 minute summer 27 18 85.031 0.131 76.4 0.3452 0.0000OK 3.008 32 76.4 2.225 0.386 0.9403

30 minute summer 28 18 87.788 0.080 9.4 0.1450 0.0000OK 4.000 29 9.4 0.991 0.251 0.1373

30 minute summer 29 18 87.683 0.050 13.5 0.0660 0.0000OK 4.001 30 13.5 1.811 0.111 0.1552

30 minute summer 30 18 86.562 0.059 20.0 0.0798 0.0000OK 4.002 31 20.0 2.426 0.143 0.1598

30 minute summer 31 18 85.182 0.058 20.0 0.0506 0.0000OK 4.003 32 20.0 2.547 0.133 0.0875

30 minute summer 32 19 84.216 0.241 107.2 0.7264 0.0000OK 3.009 33 107.2 1.519 0.657 1.4243

30 minute summer 33 19 83.989 0.224 107.2 0.5703 0.0000OK 3.010 8 107.6 1.482 0.415 0.9016

30 minute summer 8 19 83.881 0.196 107.6 0.4992 0.0000OK 3.011 11 107.7 2.129 0.348 3.6803

30 minute summer 1 18 89.354 0.055 10.0 0.1071 0.0000OK 1.000 2 10.0 1.728 0.274 0.1108

30 minute summer 2 18 88.508 0.082 14.7 0.1487 0.0000OK 1.001 3 14.7 0.986 0.253 0.1761

30 minute summer 3 18 88.378 0.099 20.8 0.1949 0.0000OK 1.002 4 20.8 1.139 0.358 0.2506

30 minute summer 4 18 88.220 0.112 37.1 0.3325 0.0000OK 1.003 5 37.1 1.849 0.479 0.8416

30 minute summer 5 18 87.298 0.115 49.5 0.3485 0.0000OK 1.004 6 49.2 2.522 0.463 0.3870

30 minute summer 6 18 86.387 0.098 53.2 0.2106 0.0000OK 1.005 7 53.1 2.459 0.205 0.2570

30 minute summer 7 18 85.760 0.110 70.4 0.4290 0.0000OK 1.006 Inlet 01 70.2 3.163 0.253 0.1976

30 minute summer Inlet 01 21 84.940 0.165 70.2 0.0000 0.0000OK Flow through pond Outfall 01 51.9 0.046 0.014 36.1656

30 minute summer Outfall 01 33 84.913 0.163 84.1 0.0000 0.0000OK 2.000 10 47.3 0.847 0.194 0.2868

30 minute summer 10 23 84.969 0.469 47.3 1.1936 0.0000SURCHARGED Hydro-Brake® 11 6.5

30 minute summer 11 19 83.147 0.124 127.2 0.4585 0.0000OK 2.002 12 126.4 3.387 0.154 0.7977

30 minute summer 12 19 81.785 0.133 133.3 0.4161 0.0000OK 2.003 13 132.7 3.502 0.171 0.9468

30 minute summer 13 19 80.345 0.127 144.7 0.4524 0.0000OK 2.004 14 144.1 1.767 0.179 2.0115

30 minute summer 14 20 79.416 0.466 171.7 2.2743 0.0000SURCHARGED 2.005 Inlet 02 161.1 1.567 0.456 0.9957

30 minute summer Inlet 02 21 79.388 0.599 161.1 0.0000 0.0000OK Flow through pond Outfall 03 65.8 0.063 0.077 96.4782

30 minute summer 9 18 80.253 0.053 9.7 0.0932 0.0000OK 6.000 Inlet 04 9.7 2.293 0.551 0.0205

30 minute summer Inlet 04 20 79.510 0.211 17.3 0.2724 0.0000OK Flow through pond Outfall 02 12.1 0.057 0.047 6.6282

30 minute summer Outfall 02 24 79.300 0.100 12.1 0.0000 0.0000OK 7.000 Inlet 03 10.1 0.841 0.827 0.1258

30 minute summer Inlet 03 25 79.188 0.399 10.1 0.0000 0.0000OK Flow through pond Outfall 03 65.8 0.063 0.077 96.4782

30 minute summer Outfall 03 45 78.880 0.180 65.8 0.0000 0.0000OK 5.000 40 76.7 0.964 0.177 0.5319

30 minute summer 40 46 78.951 0.351 76.7 1.2144 0.0000OK Hydro-Brake® Outfall 04 38.4

Hydro-Brake® Outfall 04 0.0

30 minute summer Outfall 04 38 78.176 0.076 38.4 0.0000 0.0000OK 5.002 J1 39.8 0.152 0.012 1.1365

Page 50: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 2 year 30 minute summer

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

30 minute summer J1 55 78.178 0.401 39.8 0.0000 0.0000OK Weir J2 38.6

Orifice J2 0.1

30 minute summer J2 45 77.963 0.419 38.6 0.0000 0.0000OK Weir Outfall 05 38.2 153.6

Orifice Outfall 05 0.1 1.2

30 minute summer Outfall 05 1 77.280 0.000 38.2 0.0000 0.0000OK

Page 51: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 2 year 30 minute winter

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 2 year 30 minute winter. 270 minute analysis at 1 minute timestep. Mass balance: 99.50%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

30 minute winter 16 18 91.488 0.068 12.5 0.1607 0.0000OK 3.000 17 12.5 1.475 0.181 0.2958

30 minute winter 17 18 90.859 0.052 15.3 0.0897 0.0000OK 3.001 18 15.3 1.442 0.116 0.2159

30 minute winter 18 18 89.614 0.089 21.4 0.1802 0.0000OK 3.002 19 21.4 1.366 0.307 0.2382

30 minute winter 19 18 89.351 0.098 38.3 0.3172 0.0000OK 3.003 20 38.2 2.054 0.217 0.8249

30 minute winter 20 18 88.235 0.088 38.2 0.1261 0.0000OK 3.004 21 38.1 1.760 0.191 0.6733

30 minute winter 21 19 87.273 0.120 38.1 0.1714 0.0000OK 3.005 22 38.0 1.575 0.311 0.8147

30 minute winter 22 18 86.850 0.105 56.6 0.3441 0.0000OK 3.006 26 56.2 2.317 0.265 0.9505

30 minute winter 26 18 85.453 0.121 68.6 0.2806 0.0000OK 3.007 27 68.3 2.514 0.274 0.2359

30 minute winter 27 18 85.025 0.125 69.8 0.3290 0.0000OK 3.008 32 69.8 2.216 0.353 0.8609

30 minute winter 28 18 87.784 0.076 8.5 0.1377 0.0000OK 4.000 29 8.5 0.960 0.227 0.1281

30 minute winter 29 18 87.681 0.048 12.3 0.0630 0.0000OK 4.001 30 12.3 1.764 0.101 0.1450

30 minute winter 30 18 86.559 0.056 18.2 0.0760 0.0000OK 4.002 31 18.2 2.367 0.130 0.1490

30 minute winter 31 18 85.180 0.056 18.2 0.0481 0.0000OK 4.003 32 18.2 2.485 0.121 0.0816

30 minute winter 32 19 84.202 0.227 98.0 0.6848 0.0000OK 3.009 33 98.0 1.489 0.601 1.3294

30 minute winter 33 19 83.977 0.212 98.0 0.5404 0.0000OK 3.010 8 98.2 1.451 0.379 0.8411

30 minute winter 8 19 83.871 0.186 98.2 0.4736 0.0000OK 3.011 11 98.2 2.075 0.317 3.4442

30 minute winter 1 18 89.351 0.052 9.0 0.1011 0.0000OK 1.000 2 9.0 1.680 0.247 0.1026

30 minute winter 2 18 88.503 0.077 13.3 0.1402 0.0000OK 1.001 3 13.3 0.967 0.229 0.1625

30 minute winter 3 18 88.372 0.093 18.8 0.1833 0.0000OK 1.002 4 18.8 1.114 0.324 0.2317

30 minute winter 4 18 88.213 0.105 33.6 0.3135 0.0000OK 1.003 5 33.6 1.807 0.434 0.7802

30 minute winter 5 18 87.291 0.108 44.9 0.3284 0.0000OK 1.004 6 44.7 2.467 0.421 0.3596

30 minute winter 6 18 86.382 0.093 48.3 0.1995 0.0000OK 1.005 7 48.2 2.409 0.186 0.2384

30 minute winter 7 18 85.754 0.104 63.8 0.4062 0.0000OK 1.006 Inlet 01 63.7 3.086 0.230 0.1838

30 minute winter Inlet 01 21 84.940 0.165 63.7 0.0000 0.0000OK Flow through pond Outfall 01 52.9 0.045 0.014 41.2016

30 minute winter Outfall 01 33 84.932 0.182 68.3 0.0000 0.0000OK 2.000 10 47.7 0.906 0.196 0.3015

30 minute winter 10 28 84.975 0.475 47.7 1.2084 0.0000SURCHARGED Hydro-Brake® 11 6.5

30 minute winter 11 19 83.142 0.119 117.4 0.4394 0.0000OK 2.002 12 117.1 3.327 0.142 0.7522

30 minute winter 12 19 81.780 0.128 123.6 0.3992 0.0000OK 2.003 13 123.4 3.437 0.159 0.8973

30 minute winter 13 19 80.341 0.123 134.6 0.4367 0.0000OK 2.004 14 134.5 1.797 0.167 1.9957

30 minute winter 14 21 79.430 0.480 160.4 2.3430 0.0000SURCHARGED 2.005 Inlet 02 152.8 1.613 0.432 0.9957

30 minute winter Inlet 02 21 79.408 0.619 152.8 0.0000 0.0000OK Flow through pond Outfall 03 78.5 0.068 0.091 108.6434

30 minute winter 9 18 80.250 0.050 8.8 0.0879 0.0000OK 6.000 Inlet 04 8.8 2.238 0.500 0.0191

30 minute winter Inlet 04 21 79.510 0.211 15.7 0.2722 0.0000OK Flow through pond Outfall 02 12.4 0.057 0.048 6.8127

30 minute winter Outfall 02 24 79.306 0.106 12.4 0.0000 0.0000OK 7.000 Inlet 03 10.9 0.861 0.893 0.1326

30 minute winter Inlet 03 26 79.221 0.433 10.9 0.0000 0.0000OK Flow through pond Outfall 03 78.5 0.068 0.091 108.6434

30 minute winter Outfall 03 44 78.926 0.226 95.8 0.0000 0.0000OK 5.000 40 88.0 0.985 0.203 0.6294

30 minute winter 40 42 78.995 0.395 88.0 1.3692 0.0000SURCHARGED Hydro-Brake® Outfall 04 38.7

Hydro-Brake® Outfall 04 0.0

Page 52: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 2 year 30 minute winter

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

30 minute winter Outfall 04 41 78.177 0.077 38.7 0.0000 0.0000OK 5.002 J1 39.7 0.149 0.012 1.1360

30 minute winter J1 53 78.179 0.402 39.7 0.0000 0.0000OK Weir J2 39.5

Orifice J2 0.1

30 minute winter J2 53 77.963 0.419 39.6 0.0000 0.0000OK Weir Outfall 05 40.2 174.0

Orifice Outfall 05 0.1 1.2

30 minute winter Outfall 05 1 77.280 0.000 40.2 0.0000 0.0000OK

Page 53: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 2 year 60 minute summer

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 2 year 60 minute summer. 300 minute analysis at 1 minute timestep. Mass balance: 99.68%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

60 minute summer 16 33 91.483 0.063 10.8 0.1489 0.0000OK 3.000 17 10.8 1.417 0.156 0.2661

60 minute summer 17 33 90.855 0.048 13.2 0.0833 0.0000OK 3.001 18 13.2 1.392 0.100 0.1933

60 minute summer 18 33 89.607 0.082 18.5 0.1656 0.0000OK 3.002 19 18.5 1.316 0.265 0.2137

60 minute summer 19 33 89.344 0.091 33.1 0.2934 0.0000OK 3.003 20 33.0 1.974 0.187 0.7414

60 minute summer 20 33 88.229 0.082 33.0 0.1170 0.0000OK 3.004 21 32.9 1.695 0.165 0.6042

60 minute summer 21 34 87.263 0.110 32.9 0.1580 0.0000OK 3.005 22 32.8 1.516 0.269 0.7314

60 minute summer 22 33 86.843 0.098 48.8 0.3182 0.0000OK 3.006 26 48.6 2.244 0.229 0.8463

60 minute summer 26 33 85.442 0.110 59.2 0.2560 0.0000OK 3.007 27 58.9 2.425 0.237 0.2109

60 minute summer 27 34 85.016 0.116 60.2 0.3054 0.0000OK 3.008 32 60.3 2.213 0.305 0.7421

60 minute summer 28 33 87.778 0.070 7.3 0.1274 0.0000OK 4.000 29 7.3 0.920 0.195 0.1149

60 minute summer 29 33 87.678 0.045 10.5 0.0583 0.0000OK 4.001 30 10.5 1.685 0.086 0.1297

60 minute summer 30 33 86.555 0.052 15.6 0.0702 0.0000OK 4.002 31 15.6 2.274 0.112 0.1329

60 minute summer 31 33 85.175 0.051 15.6 0.0444 0.0000OK 4.003 32 15.6 2.384 0.104 0.0729

60 minute summer 32 34 84.182 0.207 84.4 0.6226 0.0000OK 3.009 33 84.5 1.439 0.518 1.1862

60 minute summer 33 34 83.960 0.195 84.5 0.4956 0.0000OK 3.010 8 84.6 1.399 0.327 0.7522

60 minute summer 8 34 83.856 0.171 84.6 0.4362 0.0000OK 3.011 11 84.5 1.994 0.273 3.0884

60 minute summer 1 33 89.347 0.048 7.8 0.0936 0.0000OK 1.000 2 7.8 1.617 0.214 0.0924

60 minute summer 2 33 88.497 0.071 11.5 0.1289 0.0000OK 1.001 3 11.5 0.938 0.198 0.1449

60 minute summer 3 33 88.365 0.086 16.3 0.1684 0.0000OK 1.002 4 16.3 1.080 0.281 0.2071

60 minute summer 4 33 88.205 0.097 29.0 0.2880 0.0000OK 1.003 5 29.0 1.747 0.374 0.6964

60 minute summer 5 33 87.282 0.099 38.7 0.3003 0.0000OK 1.004 6 38.5 2.380 0.363 0.3212

60 minute summer 6 33 86.374 0.085 41.6 0.1835 0.0000OK 1.005 7 41.6 2.328 0.161 0.2127

60 minute summer 7 33 85.746 0.096 55.1 0.3743 0.0000OK 1.006 Inlet 01 55.0 2.971 0.198 0.1647

60 minute summer Inlet 01 56 84.937 0.162 55.0 0.0000 0.0000OK Flow through pond Outfall 01 45.2 0.039 0.012 42.2975

60 minute summer Outfall 01 55 84.936 0.186 57.7 0.0000 0.0000OK 2.000 10 47.1 0.895 0.193 0.3047

60 minute summer 10 43 84.974 0.474 47.1 1.2065 0.0000SURCHARGED Hydro-Brake® 11 6.5

60 minute summer 11 34 83.134 0.111 102.0 0.4074 0.0000OK 2.002 12 101.7 3.216 0.124 0.6753

60 minute summer 12 34 81.770 0.118 107.3 0.3695 0.0000OK 2.003 13 107.1 3.311 0.138 0.8080

60 minute summer 13 34 80.332 0.114 116.8 0.4065 0.0000OK 2.004 14 116.7 1.607 0.145 1.9607

60 minute summer 14 36 79.408 0.458 139.1 2.2331 0.0000SURCHARGED 2.005 Inlet 02 132.9 1.412 0.376 0.9957

60 minute summer Inlet 02 36 79.390 0.602 132.9 0.0000 0.0000OK Flow through pond Outfall 03 80.6 0.068 0.094 112.6234

60 minute summer 9 33 80.246 0.046 7.6 0.0807 0.0000OK 6.000 Inlet 04 7.6 2.157 0.431 0.0171

60 minute summer Inlet 04 36 79.495 0.196 13.5 0.2527 0.0000OK Flow through pond Outfall 02 10.8 0.053 0.042 6.2397

60 minute summer Outfall 02 39 79.298 0.098 10.8 0.0000 0.0000OK 7.000 Inlet 03 9.8 0.832 0.801 0.1231

60 minute summer Inlet 03 40 79.212 0.424 9.8 0.0000 0.0000OK Flow through pond Outfall 03 80.6 0.068 0.094 112.6234

60 minute summer Outfall 03 63 78.956 0.256 99.5 0.0000 0.0000OK 5.000 40 116.9 1.050 0.270 0.6998

60 minute summer 40 65 79.048 0.448 116.9 1.5513 0.0000SURCHARGED Hydro-Brake® Outfall 04 38.7

Hydro-Brake® Outfall 04 0.0

60 minute summer Outfall 04 67 78.176 0.076 38.7 0.0000 0.0000OK 5.002 J1 41.2 0.143 0.012 1.1369

Page 54: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 2 year 60 minute summer

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

60 minute summer J1 84 78.179 0.402 41.2 0.0000 0.0000OK Weir J2 39.4

Orifice J2 0.1

60 minute summer J2 66 77.963 0.419 39.5 0.0000 0.0000OK Weir Outfall 05 39.9 205.4

Orifice Outfall 05 0.1 1.3

60 minute summer Outfall 05 1 77.280 0.000 39.9 0.0000 0.0000OK

Page 55: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 2 year 60 minute winter

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 2 year 60 minute winter. 300 minute analysis at 1 minute timestep. Mass balance: 99.69%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

60 minute winter 16 33 91.477 0.057 8.7 0.1332 0.0000OK 3.000 17 8.7 1.334 0.126 0.2279

60 minute winter 17 33 90.850 0.043 10.6 0.0748 0.0000OK 3.001 18 10.6 1.316 0.080 0.1642

60 minute winter 18 33 89.598 0.073 14.9 0.1466 0.0000OK 3.002 19 14.9 1.244 0.214 0.1824

60 minute winter 19 33 89.334 0.081 26.7 0.2621 0.0000OK 3.003 20 26.7 1.860 0.152 0.6358

60 minute winter 20 33 88.221 0.074 26.7 0.1052 0.0000OK 3.004 21 26.7 1.599 0.133 0.5193

60 minute winter 21 34 87.252 0.099 26.7 0.1412 0.0000OK 3.005 22 26.6 1.431 0.218 0.6288

60 minute winter 22 33 86.833 0.088 39.8 0.2863 0.0000OK 3.006 26 39.7 2.142 0.187 0.7238

60 minute winter 26 33 85.430 0.098 48.4 0.2270 0.0000OK 3.007 27 48.3 2.299 0.194 0.1822

60 minute winter 27 33 85.005 0.105 49.3 0.2773 0.0000OK 3.008 32 49.3 2.213 0.249 0.6047

60 minute winter 28 33 87.771 0.063 5.9 0.1144 0.0000OK 4.000 29 5.9 0.864 0.157 0.0990

60 minute winter 29 33 87.673 0.040 8.5 0.0526 0.0000OK 4.001 30 8.5 1.587 0.070 0.1114

60 minute winter 30 33 86.550 0.047 12.6 0.0629 0.0000OK 4.002 31 12.6 2.149 0.090 0.1136

60 minute winter 31 33 85.170 0.046 12.6 0.0397 0.0000OK 4.003 32 12.6 2.249 0.084 0.0624

60 minute winter 32 34 84.158 0.183 69.0 0.5498 0.0000OK 3.009 33 69.0 1.370 0.423 1.0167

60 minute winter 33 34 83.938 0.173 69.0 0.4412 0.0000OK 3.010 8 69.0 1.329 0.267 0.6459

60 minute winter 8 34 83.839 0.154 69.0 0.3908 0.0000OK 3.011 11 69.0 1.884 0.223 2.6682

60 minute winter 1 33 89.342 0.043 6.3 0.0836 0.0000OK 1.000 2 6.3 1.526 0.173 0.0791

60 minute winter 2 33 88.489 0.063 9.3 0.1145 0.0000OK 1.001 3 9.3 0.898 0.160 0.1224

60 minute winter 3 33 88.355 0.076 13.1 0.1486 0.0000OK 1.002 4 13.1 1.024 0.225 0.1756

60 minute winter 4 33 88.194 0.086 23.4 0.2555 0.0000OK 1.003 5 23.4 1.657 0.302 0.5929

60 minute winter 5 33 87.271 0.088 31.3 0.2659 0.0000OK 1.004 6 31.2 2.259 0.294 0.2744

60 minute winter 6 33 86.365 0.076 33.7 0.1637 0.0000OK 1.005 7 33.7 2.215 0.130 0.1813

60 minute winter 7 33 85.735 0.085 44.6 0.3338 0.0000OK 1.006 Inlet 01 44.6 2.812 0.161 0.1411

60 minute winter Inlet 01 60 84.962 0.187 44.6 0.0000 0.0000OK Flow through pond Outfall 01 38.6 0.035 0.010 48.8433

60 minute winter Outfall 01 60 84.961 0.211 53.1 0.0000 0.0000OK 2.000 10 49.8 0.880 0.204 0.3230

60 minute winter 10 61 84.973 0.473 49.8 1.2041 0.0000SURCHARGED Hydro-Brake® 11 6.5

60 minute winter 11 34 83.123 0.100 84.5 0.3690 0.0000OK 2.002 12 84.5 3.074 0.103 0.5871

60 minute winter 12 34 81.759 0.107 89.2 0.3348 0.0000OK 2.003 13 89.1 3.154 0.115 0.7061

60 minute winter 13 34 80.322 0.104 97.2 0.3708 0.0000OK 2.004 14 97.2 1.630 0.121 1.9037

60 minute winter 14 38 79.390 0.440 116.0 2.1487 0.0000OK 2.005 Inlet 02 112.0 1.433 0.317 0.9929

60 minute winter Inlet 02 38 79.379 0.590 112.0 0.0000 0.0000OK Flow through pond Outfall 03 88.6 0.069 0.103 125.1913

60 minute winter 9 33 80.241 0.041 6.1 0.0714 0.0000OK 6.000 Inlet 04 6.1 2.035 0.346 0.0145

60 minute winter Inlet 04 36 79.485 0.186 10.9 0.2402 0.0000OK Flow through pond Outfall 02 9.9 0.051 0.038 5.9469

60 minute winter Outfall 02 39 79.296 0.096 9.9 0.0000 0.0000OK 7.000 Inlet 03 9.4 0.821 0.767 0.1195

60 minute winter Inlet 03 42 79.218 0.430 9.4 0.0000 0.0000OK Flow through pond Outfall 03 88.6 0.069 0.103 125.1913

60 minute winter Outfall 03 63 79.008 0.308 116.8 0.0000 0.0000OK 5.000 40 112.8 1.051 0.261 0.7581

60 minute winter 40 60 79.084 0.484 112.8 1.6768 0.0000SURCHARGED Hydro-Brake® Outfall 04 38.7

Hydro-Brake® Outfall 04 0.0

Page 56: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 2 year 60 minute winter

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

60 minute winter Outfall 04 84 78.176 0.076 38.7 0.0000 0.0000OK 5.002 J1 40.9 0.141 0.012 1.1374

60 minute winter J1 88 78.179 0.402 40.9 0.0000 0.0000OK Weir J2 39.4

Orifice J2 0.1

60 minute winter J2 98 77.963 0.419 39.5 0.0000 0.0000OK Weir Outfall 05 39.5 232.1

Orifice Outfall 05 0.1 1.3

60 minute winter Outfall 05 1 77.280 0.000 39.5 0.0000 0.0000OK

Page 57: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 2 year 120 minute summer

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 2 year 120 minute summer. 360 minute analysis at 2 minute timestep. Mass balance: 99.77%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

120 minute summer 16 64 91.472 0.052 7.4 0.1227 0.0000OK 3.000 17 7.4 1.273 0.107 0.2028

120 minute summer 17 64 90.847 0.040 9.0 0.0691 0.0000OK 3.001 18 9.0 1.265 0.068 0.1451

120 minute summer 18 64 89.591 0.066 12.6 0.1337 0.0000OK 3.002 19 12.6 1.190 0.181 0.1614

120 minute summer 19 64 89.327 0.074 22.6 0.2406 0.0000OK 3.003 20 22.6 1.775 0.128 0.5642

120 minute summer 20 64 88.215 0.068 22.6 0.0968 0.0000OK 3.004 21 22.6 1.529 0.113 0.4605

120 minute summer 21 64 87.243 0.090 22.6 0.1292 0.0000OK 3.005 22 22.6 1.365 0.185 0.5581

120 minute summer 22 64 86.826 0.081 33.8 0.2634 0.0000OK 3.006 26 33.7 2.062 0.159 0.6381

120 minute summer 26 64 85.421 0.089 41.0 0.2061 0.0000OK 3.007 27 41.0 2.203 0.164 0.1614

120 minute summer 27 64 84.997 0.097 41.9 0.2562 0.0000OK 3.008 32 41.8 2.181 0.211 0.5180

120 minute summer 28 64 87.766 0.058 5.0 0.1054 0.0000OK 4.000 29 5.0 0.823 0.133 0.0881

120 minute summer 29 64 87.670 0.037 7.2 0.0485 0.0000OK 4.001 30 7.2 1.513 0.059 0.0991

120 minute summer 30 64 86.546 0.043 10.7 0.0580 0.0000OK 4.002 31 10.7 2.055 0.077 0.1009

120 minute summer 31 64 85.166 0.042 10.7 0.0365 0.0000OK 4.003 32 10.7 2.147 0.071 0.0555

120 minute summer 32 64 84.141 0.166 58.6 0.4987 0.0000OK 3.009 33 58.4 1.314 0.358 0.8976

120 minute summer 33 64 83.923 0.158 58.4 0.4016 0.0000OK 3.010 8 58.3 1.274 0.225 0.5690

120 minute summer 8 64 83.825 0.140 58.3 0.3567 0.0000OK 3.011 11 58.0 1.795 0.187 2.3582

120 minute summer 1 64 89.339 0.040 5.3 0.0764 0.0000OK 1.000 2 5.3 1.454 0.145 0.0698

120 minute summer 2 64 88.483 0.057 7.8 0.1039 0.0000OK 1.001 3 7.8 0.859 0.134 0.1073

120 minute summer 3 64 88.348 0.069 11.1 0.1354 0.0000OK 1.002 4 11.1 0.984 0.191 0.1549

120 minute summer 4 64 88.186 0.078 19.8 0.2334 0.0000OK 1.003 5 19.8 1.588 0.256 0.5237

120 minute summer 5 64 87.263 0.080 26.5 0.2424 0.0000OK 1.004 6 26.5 2.166 0.250 0.2428

120 minute summer 6 64 86.359 0.070 28.6 0.1497 0.0000OK 1.005 7 28.6 2.127 0.111 0.1601

120 minute summer 7 64 85.728 0.078 37.9 0.3059 0.0000OK 1.006 Inlet 01 37.9 2.692 0.136 0.1253

120 minute summer Inlet 01 90 84.950 0.174 37.9 0.0000 0.0000OK Flow through pond Outfall 01 30.2 0.029 0.008 45.5348

120 minute summer Outfall 01 90 84.948 0.198 58.0 0.0000 0.0000OK 2.000 10 47.6 0.824 0.195 0.3137

120 minute summer 10 78 84.975 0.475 47.6 1.2082 0.0000SURCHARGED Hydro-Brake® 11 6.5

120 minute summer 11 64 83.115 0.092 72.3 0.3394 0.0000OK 2.002 12 72.0 2.953 0.088 0.5207

120 minute summer 12 64 81.750 0.098 76.1 0.3076 0.0000OK 2.003 13 75.9 3.022 0.098 0.6277

120 minute summer 13 64 80.314 0.096 82.9 0.3423 0.0000OK 2.004 14 82.7 1.480 0.103 1.7611

120 minute summer 14 68 79.343 0.393 98.9 1.9205 0.0000OK 2.005 Inlet 02 95.6 1.208 0.271 0.9597

120 minute summer Inlet 02 68 79.338 0.549 95.6 0.0000 0.0000OK Flow through pond Outfall 03 81.2 0.065 0.094 122.1898

120 minute summer 9 64 80.237 0.037 5.2 0.0655 0.0000OK 6.000 Inlet 04 5.2 1.949 0.295 0.0129

120 minute summer Inlet 04 66 79.470 0.171 9.3 0.2205 0.0000OK Flow through pond Outfall 02 8.2 0.048 0.032 5.2559

120 minute summer Outfall 02 70 79.286 0.086 8.2 0.0000 0.0000OK 7.000 Inlet 03 7.8 0.777 0.642 0.1057

120 minute summer Inlet 03 72 79.187 0.399 7.8 0.0000 0.0000OK Flow through pond Outfall 03 81.2 0.065 0.094 122.1898

120 minute summer Outfall 03 92 79.002 0.302 114.2 0.0000 0.0000OK 5.000 40 104.3 0.863 0.241 0.7547

120 minute summer 40 86 79.078 0.478 104.3 1.6544 0.0000SURCHARGED Hydro-Brake® Outfall 04 38.7

Hydro-Brake® Outfall 04 0.0

120 minute summer Outfall 04 120 78.176 0.076 38.7 0.0000 0.0000OK 5.002 J1 41.2 0.142 0.012 1.1412

Page 58: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 2 year 120 minute summer

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

120 minute summer J1 106 78.179 0.402 41.2 0.0000 0.0000OK Weir J2 39.7

Orifice J2 0.1

120 minute summer J2 106 77.963 0.419 39.8 0.0000 0.0000OK Weir Outfall 05 39.0 267.6

Orifice Outfall 05 0.1 1.6

120 minute summer Outfall 05 2 77.280 0.000 39.0 0.0000 0.0000OK

Page 59: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 2 year 120 minute winter

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 2 year 120 minute winter. 360 minute analysis at 2 minute timestep. Mass balance: 99.73%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

120 minute winter 16 64 91.466 0.046 5.7 0.1075 0.0000OK 3.000 17 5.7 1.179 0.082 0.1687

120 minute winter 17 64 90.842 0.035 7.0 0.0611 0.0000OK 3.001 18 7.0 1.184 0.053 0.1205

120 minute winter 18 64 89.583 0.058 9.8 0.1168 0.0000OK 3.002 19 9.8 1.113 0.141 0.1341

120 minute winter 19 64 89.318 0.065 17.5 0.2110 0.0000OK 3.003 20 17.5 1.651 0.099 0.4695

120 minute winter 20 64 88.207 0.060 17.5 0.0853 0.0000OK 3.004 21 17.5 1.424 0.088 0.3829

120 minute winter 21 64 87.232 0.079 17.5 0.1130 0.0000OK 3.005 22 17.5 1.274 0.143 0.4634

120 minute winter 22 64 86.816 0.071 26.1 0.2312 0.0000OK 3.006 26 26.1 1.935 0.123 0.5259

120 minute winter 26 64 85.409 0.077 31.8 0.1785 0.0000OK 3.007 27 31.8 2.076 0.127 0.1328

120 minute winter 27 64 84.985 0.085 32.5 0.2234 0.0000OK 3.008 32 32.4 2.039 0.164 0.4301

120 minute winter 28 64 87.759 0.051 3.9 0.0932 0.0000OK 4.000 29 3.9 0.765 0.104 0.0740

120 minute winter 29 64 87.666 0.033 5.6 0.0429 0.0000OK 4.001 30 5.6 1.408 0.046 0.0828

120 minute winter 30 64 86.541 0.038 8.3 0.0511 0.0000OK 4.002 31 8.3 1.916 0.059 0.0840

120 minute winter 31 64 85.161 0.037 8.3 0.0321 0.0000OK 4.003 32 8.3 2.000 0.055 0.0462

120 minute winter 32 64 84.118 0.143 45.4 0.4311 0.0000OK 3.009 33 45.4 1.233 0.278 0.7430

120 minute winter 33 64 83.902 0.137 45.4 0.3496 0.0000OK 3.010 8 45.3 1.195 0.175 0.4719

120 minute winter 8 64 83.808 0.123 45.3 0.3131 0.0000OK 3.011 11 45.3 1.669 0.146 1.9785

120 minute winter 1 64 89.334 0.035 4.1 0.0670 0.0000OK 1.000 2 4.1 1.353 0.112 0.0581

120 minute winter 2 64 88.476 0.050 6.0 0.0903 0.0000OK 1.001 3 6.0 0.809 0.103 0.0877

120 minute winter 3 64 88.339 0.060 8.5 0.1170 0.0000OK 1.002 4 8.5 0.918 0.146 0.1271

120 minute winter 4 64 88.176 0.068 15.2 0.2030 0.0000OK 1.003 5 15.2 1.484 0.196 0.4301

120 minute winter 5 64 87.252 0.069 20.3 0.2096 0.0000OK 1.004 6 20.3 2.019 0.191 0.1996

120 minute winter 6 64 86.350 0.061 22.0 0.1304 0.0000OK 1.005 7 22.0 1.993 0.085 0.1315

120 minute winter 7 64 85.718 0.068 29.1 0.2662 0.0000OK 1.006 Inlet 01 29.1 2.507 0.105 0.1033

120 minute winter Inlet 01 98 84.974 0.199 29.1 0.0000 0.0000OK Flow through pond Outfall 01 22.8 0.025 0.006 52.0768

120 minute winter Outfall 01 100 84.974 0.224 54.4 0.0000 0.0000OK 2.000 10 43.8 0.774 0.180 0.3317

120 minute winter 10 94 84.985 0.485 43.8 1.2333 0.0000SURCHARGED Hydro-Brake® 11 6.5

120 minute winter 11 66 83.105 0.082 57.7 0.3030 0.0000OK 2.002 12 57.7 2.791 0.070 0.4420

120 minute winter 12 66 81.740 0.088 60.8 0.2740 0.0000OK 2.003 13 60.9 2.846 0.078 0.5343

120 minute winter 13 66 80.304 0.086 66.2 0.3066 0.0000OK 2.004 14 66.2 1.475 0.082 1.5935

120 minute winter 14 70 79.303 0.353 78.6 1.7235 0.0000OK 2.005 Inlet 02 77.5 1.236 0.219 0.9070

120 minute winter Inlet 02 70 79.300 0.512 77.5 0.0000 0.0000OK Flow through pond Outfall 03 77.8 0.062 0.090 130.9323

120 minute winter 9 64 80.233 0.033 4.0 0.0570 0.0000OK 6.000 Inlet 04 4.0 1.811 0.227 0.0107

120 minute winter Inlet 04 68 79.454 0.155 7.1 0.2000 0.0000OK Flow through pond Outfall 02 6.8 0.044 0.026 4.6984

120 minute winter Outfall 02 70 79.278 0.078 6.8 0.0000 0.0000OK 7.000 Inlet 03 6.7 0.741 0.549 0.0947

120 minute winter Inlet 03 72 79.166 0.377 6.7 0.0000 0.0000OK Flow through pond Outfall 03 77.8 0.062 0.090 130.9323

120 minute winter Outfall 03 98 79.033 0.333 117.7 0.0000 0.0000OK 5.000 40 110.3 0.970 0.255 0.7927

120 minute winter 40 90 79.083 0.483 110.3 1.6722 0.0000SURCHARGED Hydro-Brake® Outfall 04 38.7

Hydro-Brake® Outfall 04 0.0

Page 60: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 2 year 120 minute winter

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

120 minute winter Outfall 04 134 78.177 0.077 38.7 0.0000 0.0000OK 5.002 J1 39.9 0.138 0.012 1.1383

120 minute winter J1 132 78.179 0.402 39.9 0.0000 0.0000OK Weir J2 39.0

Orifice J2 0.1

120 minute winter J2 126 77.962 0.418 39.1 0.0000 0.0000OK Weir Outfall 05 39.3 301.6

Orifice Outfall 05 0.1 1.6

120 minute winter Outfall 05 2 77.280 0.000 39.3 0.0000 0.0000OK

Page 61: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 2 year 180 minute summer

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 2 year 180 minute summer. 420 minute analysis at 4 minute timestep. Mass balance: 99.84%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

180 minute summer 16 96 91.466 0.046 5.7 0.1075 0.0000OK 3.000 17 5.7 1.179 0.082 0.1687

180 minute summer 17 96 90.842 0.035 7.0 0.0611 0.0000OK 3.001 18 7.0 1.184 0.053 0.1205

180 minute summer 18 96 89.583 0.058 9.8 0.1168 0.0000OK 3.002 19 9.8 1.113 0.141 0.1341

180 minute summer 19 96 89.318 0.065 17.5 0.2110 0.0000OK 3.003 20 17.5 1.651 0.099 0.4695

180 minute summer 20 96 88.207 0.060 17.5 0.0853 0.0000OK 3.004 21 17.5 1.424 0.088 0.3830

180 minute summer 21 96 87.232 0.079 17.5 0.1131 0.0000OK 3.005 22 17.5 1.274 0.143 0.4638

180 minute summer 22 96 86.816 0.071 26.1 0.2314 0.0000OK 3.006 26 26.1 1.938 0.123 0.5258

180 minute summer 26 96 85.409 0.077 31.7 0.1783 0.0000OK 3.007 27 31.7 2.075 0.127 0.1326

180 minute summer 27 96 84.985 0.085 32.4 0.2232 0.0000OK 3.008 32 32.4 2.039 0.164 0.4299

180 minute summer 28 96 87.759 0.051 3.9 0.0932 0.0000OK 4.000 29 3.9 0.765 0.104 0.0740

180 minute summer 29 96 87.666 0.033 5.6 0.0429 0.0000OK 4.001 30 5.6 1.408 0.046 0.0828

180 minute summer 30 96 86.541 0.038 8.3 0.0511 0.0000OK 4.002 31 8.3 1.916 0.059 0.0840

180 minute summer 31 96 85.161 0.037 8.3 0.0321 0.0000OK 4.003 32 8.3 2.000 0.055 0.0462

180 minute summer 32 96 84.118 0.143 45.4 0.4311 0.0000OK 3.009 33 45.4 1.234 0.278 0.7431

180 minute summer 33 96 83.902 0.137 45.4 0.3497 0.0000OK 3.010 8 45.4 1.195 0.175 0.4724

180 minute summer 8 96 83.808 0.123 45.4 0.3134 0.0000OK 3.011 11 45.4 1.669 0.147 1.9828

180 minute summer 1 96 89.334 0.035 4.1 0.0670 0.0000OK 1.000 2 4.1 1.353 0.112 0.0581

180 minute summer 2 96 88.476 0.050 6.0 0.0903 0.0000OK 1.001 3 6.0 0.809 0.103 0.0877

180 minute summer 3 96 88.339 0.060 8.5 0.1170 0.0000OK 1.002 4 8.5 0.918 0.146 0.1271

180 minute summer 4 96 88.176 0.068 15.2 0.2030 0.0000OK 1.003 5 15.2 1.484 0.196 0.4302

180 minute summer 5 96 87.252 0.069 20.3 0.2096 0.0000OK 1.004 6 20.3 2.019 0.191 0.1996

180 minute summer 6 96 86.350 0.061 22.0 0.1304 0.0000OK 1.005 7 22.0 1.993 0.085 0.1315

180 minute summer 7 96 85.718 0.068 29.1 0.2663 0.0000OK 1.006 Inlet 01 29.1 2.507 0.105 0.1033

180 minute summer Inlet 01 128 84.948 0.173 29.1 0.0000 0.0000OK Flow through pond Outfall 01 21.9 0.024 0.006 45.1457

180 minute summer Outfall 01 128 84.947 0.197 33.4 0.0000 0.0000OK 2.000 10 39.9 0.760 0.164 0.3128

180 minute summer 10 112 84.954 0.454 39.9 1.1547 0.0000SURCHARGED Hydro-Brake® 11 6.5

180 minute summer 11 96 83.105 0.082 58.0 0.3034 0.0000OK 2.002 12 57.8 2.792 0.070 0.4425

180 minute summer 12 96 81.740 0.088 60.9 0.2741 0.0000OK 2.003 13 60.9 2.846 0.078 0.5347

180 minute summer 13 96 80.304 0.086 66.3 0.3069 0.0000OK 2.004 14 66.3 1.418 0.083 1.5411

180 minute summer 14 100 79.291 0.341 78.8 1.6640 0.0000OK 2.005 Inlet 02 77.4 1.115 0.219 0.8842

180 minute summer Inlet 02 100 79.289 0.500 77.4 0.0000 0.0000OK Flow through pond Outfall 03 72.9 0.060 0.085 120.8950

180 minute summer 9 96 80.233 0.033 4.0 0.0570 0.0000OK 6.000 Inlet 04 4.0 1.811 0.227 0.0107

180 minute summer Inlet 04 100 79.451 0.152 7.1 0.1970 0.0000OK Flow through pond Outfall 02 6.6 0.044 0.026 4.6096

180 minute summer Outfall 02 100 79.276 0.076 6.6 0.0000 0.0000OK 7.000 Inlet 03 6.4 0.732 0.527 0.0922

180 minute summer Inlet 03 104 79.156 0.367 6.4 0.0000 0.0000OK Flow through pond Outfall 03 72.9 0.060 0.085 120.8950

180 minute summer Outfall 03 128 79.001 0.301 101.1 0.0000 0.0000OK 5.000 40 127.7 0.994 0.295 0.7510

180 minute summer 40 128 79.038 0.438 127.7 1.5163 0.0000SURCHARGED Hydro-Brake® Outfall 04 38.7

Hydro-Brake® Outfall 04 0.0

180 minute summer Outfall 04 148 78.176 0.076 38.7 0.0000 0.0000OK 5.002 J1 39.0 0.135 0.011 1.1377

Page 62: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 2 year 180 minute summer

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

180 minute summer J1 152 78.179 0.402 39.0 0.0000 0.0000OK Weir J2 39.3

Orifice J2 0.1

180 minute summer J2 144 77.963 0.419 39.3 0.0000 0.0000OK Weir Outfall 05 39.9 312.7

Orifice Outfall 05 0.1 1.8

180 minute summer Outfall 05 4 77.280 0.000 39.9 0.0000 0.0000OK

Page 63: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 2 year 180 minute winter

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 2 year 180 minute winter. 420 minute analysis at 4 minute timestep. Mass balance: 99.85%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

180 minute winter 16 96 91.460 0.040 4.4 0.0946 0.0000OK 3.000 17 4.4 1.093 0.064 0.1406

180 minute winter 17 96 90.838 0.031 5.4 0.0539 0.0000OK 3.001 18 5.4 1.102 0.041 0.1000

180 minute winter 18 96 89.576 0.051 7.6 0.1022 0.0000OK 3.002 19 7.6 1.041 0.109 0.1113

180 minute winter 19 96 89.310 0.057 13.5 0.1853 0.0000OK 3.003 20 13.5 1.531 0.077 0.3905

180 minute winter 20 96 88.200 0.053 13.5 0.0752 0.0000OK 3.004 21 13.5 1.322 0.068 0.3181

180 minute winter 21 96 87.222 0.069 13.5 0.0990 0.0000OK 3.005 22 13.5 1.187 0.110 0.3845

180 minute winter 22 96 86.807 0.062 20.1 0.2029 0.0000OK 3.006 26 20.1 1.812 0.095 0.4330

180 minute winter 26 96 85.399 0.067 24.5 0.1548 0.0000OK 3.007 27 24.5 1.950 0.098 0.1090

180 minute winter 27 96 84.974 0.074 25.0 0.1949 0.0000OK 3.008 32 25.0 1.899 0.126 0.3562

180 minute winter 28 96 87.753 0.045 3.0 0.0820 0.0000OK 4.000 29 3.0 0.707 0.080 0.0616

180 minute winter 29 96 87.662 0.029 4.3 0.0378 0.0000OK 4.001 30 4.3 1.300 0.035 0.0688

180 minute winter 30 96 86.536 0.033 6.4 0.0450 0.0000OK 4.002 31 6.4 1.783 0.046 0.0696

180 minute winter 31 96 85.156 0.032 6.4 0.0281 0.0000OK 4.003 32 6.4 1.857 0.042 0.0384

180 minute winter 32 96 84.099 0.124 35.0 0.3732 0.0000OK 3.009 33 35.0 1.153 0.215 0.6130

180 minute winter 33 96 83.884 0.119 35.0 0.3038 0.0000OK 3.010 8 35.0 1.117 0.135 0.3895

180 minute winter 8 96 83.793 0.108 35.0 0.2742 0.0000OK 3.011 11 35.0 1.542 0.113 1.6541

180 minute winter 1 96 89.330 0.031 3.2 0.0590 0.0000OK 1.000 2 3.2 1.261 0.088 0.0486

180 minute winter 2 96 88.470 0.044 4.7 0.0795 0.0000OK 1.001 3 4.7 0.764 0.081 0.0728

180 minute winter 3 96 88.331 0.052 6.6 0.1022 0.0000OK 1.002 4 6.6 0.860 0.114 0.1055

180 minute winter 4 96 88.168 0.060 11.8 0.1780 0.0000OK 1.003 5 11.8 1.386 0.152 0.3575

180 minute winter 5 96 87.244 0.061 15.8 0.1834 0.0000OK 1.004 6 15.8 1.887 0.149 0.1663

180 minute winter 6 96 86.342 0.053 17.1 0.1145 0.0000OK 1.005 7 17.1 1.866 0.066 0.1091

180 minute winter 7 96 85.710 0.060 22.6 0.2336 0.0000OK 1.006 Inlet 01 22.6 2.337 0.081 0.0861

180 minute winter Inlet 01 140 84.970 0.194 22.6 0.0000 0.0000OK Flow through pond Outfall 01 16.7 0.022 0.005 50.8870

180 minute winter Outfall 01 136 84.969 0.219 37.7 0.0000 0.0000OK 2.000 10 43.4 0.799 0.178 0.3286

180 minute winter 10 140 84.978 0.478 43.4 1.2166 0.0000SURCHARGED Hydro-Brake® 11 6.5

180 minute winter 11 96 83.096 0.073 46.0 0.2702 0.0000OK 2.002 12 46.1 2.631 0.056 0.3741

180 minute winter 12 96 81.730 0.078 48.5 0.2440 0.0000OK 2.003 13 48.4 2.670 0.062 0.4533

180 minute winter 13 96 80.295 0.077 52.6 0.2743 0.0000OK 2.004 14 52.6 1.413 0.065 1.3166

180 minute winter 14 100 79.244 0.294 62.2 1.4328 0.0000OK 2.005 Inlet 02 61.7 1.131 0.175 0.7803

180 minute winter Inlet 02 100 79.243 0.454 61.7 0.0000 0.0000OK Flow through pond Outfall 03 65.4 0.056 0.076 124.4704

180 minute winter 9 96 80.229 0.029 3.1 0.0500 0.0000OK 6.000 Inlet 04 3.1 1.687 0.176 0.0089

180 minute winter Inlet 04 100 79.437 0.138 5.5 0.1781 0.0000OK Flow through pond Outfall 02 5.4 0.040 0.021 4.0412

180 minute winter Outfall 02 104 79.269 0.069 5.4 0.0000 0.0000OK 7.000 Inlet 03 5.3 0.693 0.437 0.0807

180 minute winter Inlet 03 104 79.127 0.338 5.3 0.0000 0.0000OK Flow through pond Outfall 03 65.4 0.056 0.076 124.4704

180 minute winter Outfall 03 132 79.016 0.316 92.2 0.0000 0.0000OK 5.000 40 123.1 1.014 0.284 0.7718

180 minute winter 40 112 79.067 0.467 123.1 1.6185 0.0000SURCHARGED Hydro-Brake® Outfall 04 38.7

Hydro-Brake® Outfall 04 0.0

Page 64: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 2 year 180 minute winter

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

180 minute winter Outfall 04 168 78.176 0.076 38.7 0.0000 0.0000OK 5.002 J1 44.2 0.153 0.013 1.1379

180 minute winter J1 172 78.178 0.401 44.2 0.0000 0.0000OK Weir J2 38.7

Orifice J2 0.1

180 minute winter J2 172 77.962 0.418 38.7 0.0000 0.0000OK Weir Outfall 05 39.2 346.3

Orifice Outfall 05 0.1 1.8

180 minute winter Outfall 05 4 77.280 0.000 39.2 0.0000 0.0000OK

Page 65: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 2 year 240 minute summer

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 2 year 240 minute summer. 480 minute analysis at 4 minute timestep. Mass balance: 99.84%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

240 minute summer 16 124 91.462 0.042 4.9 0.0995 0.0000OK 3.000 17 4.9 1.127 0.070 0.1509

240 minute summer 17 124 90.839 0.032 6.0 0.0565 0.0000OK 3.001 18 5.9 1.135 0.045 0.1068

240 minute summer 18 124 89.578 0.053 8.3 0.1070 0.0000OK 3.002 19 8.3 1.061 0.119 0.1193

240 minute summer 19 124 89.313 0.060 15.0 0.1950 0.0000OK 3.003 20 14.9 1.578 0.085 0.4189

240 minute summer 20 124 88.202 0.055 14.9 0.0788 0.0000OK 3.004 21 14.8 1.362 0.074 0.3395

240 minute summer 21 124 87.225 0.072 14.8 0.1036 0.0000OK 3.005 22 14.7 1.212 0.121 0.4108

240 minute summer 22 124 86.810 0.065 22.2 0.2130 0.0000OK 3.006 26 22.1 1.856 0.104 0.4653

240 minute summer 26 124 85.402 0.070 27.0 0.1631 0.0000OK 3.007 27 26.9 1.997 0.108 0.1171

240 minute summer 27 124 84.978 0.078 27.5 0.2046 0.0000OK 3.008 32 27.4 1.947 0.139 0.3810

240 minute summer 28 124 87.756 0.048 3.4 0.0868 0.0000OK 4.000 29 3.4 0.732 0.090 0.0669

240 minute summer 29 124 87.664 0.031 4.9 0.0401 0.0000OK 4.001 30 4.9 1.353 0.040 0.0746

240 minute summer 30 124 86.538 0.035 7.2 0.0475 0.0000OK 4.002 31 7.1 1.840 0.051 0.0751

240 minute summer 31 124 85.158 0.034 7.1 0.0297 0.0000OK 4.003 32 7.1 1.914 0.047 0.0414

240 minute summer 32 124 84.106 0.131 38.6 0.3932 0.0000OK 3.009 33 38.4 1.180 0.236 0.6573

240 minute summer 33 124 83.890 0.125 38.4 0.3192 0.0000OK 3.010 8 38.3 1.146 0.148 0.4160

240 minute summer 8 124 83.798 0.113 38.3 0.2863 0.0000OK 3.011 11 38.1 1.585 0.123 1.7545

240 minute summer 1 124 89.331 0.032 3.6 0.0625 0.0000OK 1.000 2 3.6 1.301 0.098 0.0527

240 minute summer 2 124 88.472 0.046 5.3 0.0843 0.0000OK 1.001 3 5.3 0.783 0.090 0.0793

240 minute summer 3 124 88.334 0.055 7.5 0.1089 0.0000OK 1.002 4 7.4 0.888 0.128 0.1146

240 minute summer 4 124 88.171 0.063 13.2 0.1881 0.0000OK 1.003 5 13.1 1.427 0.170 0.3862

240 minute summer 5 124 87.247 0.064 17.6 0.1936 0.0000OK 1.004 6 17.5 1.939 0.165 0.1791

240 minute summer 6 124 86.345 0.056 18.9 0.1205 0.0000OK 1.005 7 18.9 1.914 0.073 0.1175

240 minute summer 7 124 85.713 0.063 25.1 0.2461 0.0000OK 1.006 Inlet 01 25.0 2.402 0.090 0.0926

240 minute summer Inlet 01 164 84.945 0.170 25.0 0.0000 0.0000OK Flow through pond Outfall 01 19.2 0.022 0.005 44.2636

240 minute summer Outfall 01 164 84.944 0.194 38.9 0.0000 0.0000OK 2.000 10 47.8 0.863 0.196 0.3101

240 minute summer 10 152 84.970 0.470 47.8 1.1953 0.0000SURCHARGED Hydro-Brake® 11 6.5

240 minute summer 11 128 83.099 0.076 49.7 0.2805 0.0000OK 2.002 12 49.6 2.686 0.060 0.3950

240 minute summer 12 128 81.733 0.081 52.2 0.2534 0.0000OK 2.003 13 52.2 2.728 0.067 0.4781

240 minute summer 13 128 80.298 0.080 56.8 0.2844 0.0000OK 2.004 14 56.7 1.401 0.071 1.3728

240 minute summer 14 128 79.254 0.304 67.4 1.4819 0.0000OK 2.005 Inlet 02 66.4 1.032 0.188 0.8040

240 minute summer Inlet 02 128 79.253 0.464 66.4 0.0000 0.0000OK Flow through pond Outfall 03 66.6 0.057 0.077 116.3456

240 minute summer 9 124 80.230 0.030 3.5 0.0531 0.0000OK 6.000 Inlet 04 3.5 1.743 0.198 0.0097

240 minute summer Inlet 04 128 79.441 0.142 6.2 0.1841 0.0000OK Flow through pond Outfall 02 5.7 0.041 0.022 4.1859

240 minute summer Outfall 02 132 79.271 0.071 5.7 0.0000 0.0000OK 7.000 Inlet 03 5.6 0.703 0.459 0.0836

240 minute summer Inlet 03 132 79.134 0.345 5.6 0.0000 0.0000OK Flow through pond Outfall 03 66.6 0.057 0.077 116.3456

240 minute summer Outfall 03 160 78.987 0.287 98.3 0.0000 0.0000OK 5.000 40 114.4 0.896 0.264 0.7365

240 minute summer 40 164 79.078 0.478 114.4 1.6570 0.0000SURCHARGED Hydro-Brake® Outfall 04 38.7

Hydro-Brake® Outfall 04 0.0

240 minute summer Outfall 04 180 78.176 0.076 38.7 0.0000 0.0000OK 5.002 J1 40.3 0.139 0.012 1.1364

Page 66: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 2 year 240 minute summer

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

240 minute summer J1 180 78.178 0.401 40.3 0.0000 0.0000OK Weir J2 38.6

Orifice J2 0.1

240 minute summer J2 180 77.963 0.419 38.6 0.0000 0.0000OK Weir Outfall 05 38.6 343.5

Orifice Outfall 05 0.1 2.1

240 minute summer Outfall 05 4 77.280 0.000 38.6 0.0000 0.0000OK

Page 67: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 2 year 240 minute winter

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 2 year 240 minute winter. 480 minute analysis at 4 minute timestep. Mass balance: 99.89%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

240 minute winter 16 124 91.457 0.037 3.7 0.0868 0.0000OK 3.000 17 3.7 1.040 0.053 0.1238

240 minute winter 17 124 90.835 0.028 4.5 0.0493 0.0000OK 3.001 18 4.5 1.051 0.034 0.0870

240 minute winter 18 124 89.571 0.046 6.3 0.0924 0.0000OK 3.002 19 6.3 0.982 0.090 0.0974

240 minute winter 19 124 89.305 0.052 11.3 0.1694 0.0000OK 3.003 20 11.3 1.453 0.064 0.3431

240 minute winter 20 124 88.195 0.048 11.3 0.0687 0.0000OK 3.004 21 11.2 1.257 0.056 0.2786

240 minute winter 21 124 87.216 0.063 11.2 0.0900 0.0000OK 3.005 22 11.2 1.124 0.092 0.3373

240 minute winter 22 124 86.802 0.057 16.8 0.1858 0.0000OK 3.006 26 16.8 1.731 0.079 0.3787

240 minute winter 26 124 85.393 0.061 20.4 0.1402 0.0000OK 3.007 27 20.4 1.864 0.082 0.0949

240 minute winter 27 124 84.967 0.067 20.8 0.1769 0.0000OK 3.008 32 20.8 1.804 0.105 0.3112

240 minute winter 28 124 87.749 0.041 2.5 0.0750 0.0000OK 4.000 29 2.5 0.669 0.067 0.0543

240 minute winter 29 124 87.660 0.027 3.6 0.0348 0.0000OK 4.001 30 3.6 1.238 0.030 0.0605

240 minute winter 30 124 86.533 0.030 5.3 0.0411 0.0000OK 4.002 31 5.3 1.690 0.038 0.0608

240 minute winter 31 124 85.154 0.030 5.3 0.0256 0.0000OK 4.003 32 5.3 1.759 0.035 0.0336

240 minute winter 32 128 84.087 0.112 29.1 0.3372 0.0000OK 3.009 33 29.1 1.098 0.178 0.5346

240 minute winter 33 128 83.873 0.108 29.1 0.2753 0.0000OK 3.010 8 29.1 1.065 0.112 0.3394

240 minute winter 8 128 83.783 0.098 29.1 0.2494 0.0000OK 3.011 11 29.1 1.456 0.094 1.4556

240 minute winter 1 124 89.327 0.028 2.6 0.0533 0.0000OK 1.000 2 2.6 1.186 0.071 0.0420

240 minute winter 2 124 88.466 0.040 3.9 0.0723 0.0000OK 1.001 3 3.9 0.726 0.067 0.0634

240 minute winter 3 124 88.326 0.047 5.5 0.0928 0.0000OK 1.002 4 5.5 0.819 0.094 0.0920

240 minute winter 4 124 88.162 0.054 9.8 0.1618 0.0000OK 1.003 5 9.8 1.318 0.126 0.3116

240 minute winter 5 124 87.238 0.055 13.1 0.1661 0.0000OK 1.004 6 13.1 1.790 0.123 0.1449

240 minute winter 6 124 86.337 0.048 14.2 0.1040 0.0000OK 1.005 7 14.2 1.776 0.055 0.0951

240 minute winter 7 124 85.704 0.054 18.8 0.2126 0.0000OK 1.006 Inlet 01 18.8 2.216 0.068 0.0753

240 minute winter Inlet 01 176 84.961 0.186 18.8 0.0000 0.0000OK Flow through pond Outfall 01 14.6 0.020 0.004 48.5639

240 minute winter Outfall 01 176 84.960 0.210 43.2 0.0000 0.0000OK 2.000 10 39.0 0.642 0.160 0.3224

240 minute winter 10 168 84.976 0.476 39.0 1.2114 0.0000SURCHARGED Hydro-Brake® 11 6.5

240 minute winter 11 128 83.091 0.068 39.4 0.2496 0.0000OK 2.002 12 39.4 2.526 0.048 0.3333

240 minute winter 12 128 81.724 0.072 41.4 0.2252 0.0000OK 2.003 13 41.4 2.559 0.053 0.4041

240 minute winter 13 128 80.289 0.071 44.8 0.2536 0.0000OK 2.004 14 44.8 1.395 0.056 1.1093

240 minute winter 14 128 79.202 0.252 52.8 1.2287 0.0000OK 2.005 Inlet 02 52.6 1.066 0.149 0.6751

240 minute winter Inlet 02 128 79.202 0.414 52.6 0.0000 0.0000OK Flow through pond Outfall 03 57.4 0.052 0.067 114.1940

240 minute winter 9 124 80.226 0.026 2.6 0.0456 0.0000OK 6.000 Inlet 04 2.6 1.602 0.147 0.0079

240 minute winter Inlet 04 128 79.425 0.126 4.6 0.1631 0.0000OK Flow through pond Outfall 02 4.5 0.038 0.017 3.5955

240 minute winter Outfall 02 132 79.262 0.062 4.5 0.0000 0.0000OK 7.000 Inlet 03 4.5 0.658 0.366 0.0712

240 minute winter Inlet 03 132 79.101 0.313 4.5 0.0000 0.0000OK Flow through pond Outfall 03 57.4 0.052 0.067 114.1940

240 minute winter Outfall 03 168 78.987 0.287 96.1 0.0000 0.0000OK 5.000 40 125.6 1.021 0.290 0.7298

240 minute winter 40 160 79.069 0.469 125.6 1.6246 0.0000SURCHARGED Hydro-Brake® Outfall 04 38.7

Hydro-Brake® Outfall 04 0.0

Page 68: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 2 year 240 minute winter

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

240 minute winter Outfall 04 204 78.177 0.077 38.7 0.0000 0.0000OK 5.002 J1 39.9 0.138 0.012 1.1353

240 minute winter J1 192 78.178 0.401 39.9 0.0000 0.0000OK Weir J2 38.7

Orifice J2 0.1

240 minute winter J2 140 77.962 0.418 38.8 0.0000 0.0000OK Weir Outfall 05 39.4 386.3

Orifice Outfall 05 0.1 2.1

240 minute winter Outfall 05 4 77.280 0.000 39.4 0.0000 0.0000OK

Page 69: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 2 year 360 minute summer

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 2 year 360 minute summer. 600 minute analysis at 8 minute timestep. Mass balance: 99.84%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

360 minute summer 16 184 91.458 0.038 3.9 0.0889 0.0000OK 3.000 17 3.9 1.053 0.056 0.1285

360 minute summer 17 184 90.836 0.029 4.8 0.0507 0.0000OK 3.001 18 4.7 1.069 0.036 0.0906

360 minute summer 18 184 89.572 0.047 6.6 0.0950 0.0000OK 3.002 19 6.6 0.999 0.095 0.1008

360 minute summer 19 184 89.307 0.054 11.8 0.1731 0.0000OK 3.003 20 11.7 1.472 0.067 0.3531

360 minute summer 20 184 88.196 0.049 11.7 0.0700 0.0000OK 3.004 21 11.7 1.273 0.058 0.2853

360 minute summer 21 184 87.217 0.064 11.7 0.0915 0.0000OK 3.005 22 11.6 1.131 0.095 0.3452

360 minute summer 22 184 86.803 0.058 17.5 0.1890 0.0000OK 3.006 26 17.4 1.746 0.082 0.3884

360 minute summer 26 184 85.394 0.062 21.2 0.1428 0.0000OK 3.007 27 21.1 1.880 0.085 0.0974

360 minute summer 27 184 84.968 0.068 21.6 0.1801 0.0000OK 3.008 32 21.5 1.820 0.109 0.3191

360 minute summer 28 184 87.750 0.042 2.6 0.0763 0.0000OK 4.000 29 2.6 0.673 0.069 0.0558

360 minute summer 29 184 87.660 0.027 3.8 0.0356 0.0000OK 4.001 30 3.8 1.256 0.031 0.0625

360 minute summer 30 184 86.534 0.031 5.6 0.0420 0.0000OK 4.002 31 5.6 1.713 0.040 0.0628

360 minute summer 31 184 85.154 0.030 5.6 0.0262 0.0000OK 4.003 32 5.5 1.782 0.037 0.0346

360 minute summer 32 184 84.089 0.114 30.2 0.3437 0.0000OK 3.009 33 30.0 1.106 0.184 0.5480

360 minute summer 33 184 83.875 0.110 30.0 0.2798 0.0000OK 3.010 8 29.9 1.075 0.116 0.3461

360 minute summer 8 184 83.784 0.099 29.9 0.2521 0.0000OK 3.011 11 29.7 1.462 0.096 1.4775

360 minute summer 1 184 89.328 0.028 2.8 0.0551 0.0000OK 1.000 2 2.8 1.210 0.076 0.0441

360 minute summer 2 184 88.467 0.041 4.1 0.0739 0.0000OK 1.001 3 4.1 0.734 0.070 0.0655

360 minute summer 3 184 88.327 0.048 5.8 0.0950 0.0000OK 1.002 4 5.7 0.826 0.099 0.0953

360 minute summer 4 184 88.164 0.056 10.3 0.1660 0.0000OK 1.003 5 10.3 1.336 0.133 0.3228

360 minute summer 5 184 87.239 0.056 13.8 0.1701 0.0000OK 1.004 6 13.7 1.812 0.129 0.1498

360 minute summer 6 184 86.338 0.049 14.8 0.1061 0.0000OK 1.005 7 14.7 1.793 0.057 0.0981

360 minute summer 7 184 85.706 0.056 19.6 0.2173 0.0000OK 1.006 Inlet 01 19.6 2.242 0.071 0.0777

360 minute summer Inlet 01 232 84.928 0.153 19.6 0.0000 0.0000OK Flow through pond Outfall 01 15.0 0.020 0.004 40.0634

360 minute summer Outfall 01 232 84.928 0.178 24.7 0.0000 0.0000OK 2.000 10 45.9 0.835 0.188 0.2984

360 minute summer 10 192 84.974 0.474 45.9 1.2071 0.0000SURCHARGED Hydro-Brake® 11 6.5

360 minute summer 11 184 83.091 0.068 40.3 0.2522 0.0000OK 2.002 12 40.1 2.539 0.049 0.3378

360 minute summer 12 184 81.725 0.073 42.2 0.2272 0.0000OK 2.003 13 42.1 2.568 0.054 0.4096

360 minute summer 13 184 80.290 0.072 45.8 0.2560 0.0000OK 2.004 14 45.7 1.373 0.057 1.0933

360 minute summer 14 192 79.199 0.249 54.2 1.2164 0.0000OK 2.005 Inlet 02 53.3 0.963 0.151 0.6685

360 minute summer Inlet 02 192 79.200 0.411 53.3 0.0000 0.0000OK Flow through pond Outfall 03 55.0 0.052 0.064 103.2883

360 minute summer 9 184 80.227 0.027 2.7 0.0465 0.0000OK 6.000 Inlet 04 2.7 1.619 0.153 0.0081

360 minute summer Inlet 04 192 79.424 0.125 4.8 0.1612 0.0000OK Flow through pond Outfall 02 4.4 0.037 0.017 3.5586

360 minute summer Outfall 02 192 79.262 0.062 4.4 0.0000 0.0000OK 7.000 Inlet 03 4.4 0.655 0.361 0.0705

360 minute summer Inlet 03 192 79.101 0.312 4.4 0.0000 0.0000OK Flow through pond Outfall 03 55.0 0.052 0.064 103.2883

360 minute summer Outfall 03 224 78.945 0.245 79.1 0.0000 0.0000OK 5.000 40 101.4 1.025 0.234 0.6731

360 minute summer 40 232 79.033 0.433 101.4 1.4991 0.0000SURCHARGED Hydro-Brake® Outfall 04 38.7

Hydro-Brake® Outfall 04 0.0

360 minute summer Outfall 04 232 78.175 0.075 38.7 0.0000 0.0000OK 5.002 J1 39.3 0.136 0.012 1.1373

Page 70: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 2 year 360 minute summer

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

360 minute summer J1 240 78.178 0.401 39.3 0.0000 0.0000OK Weir J2 38.9

Orifice J2 0.1

360 minute summer J2 240 77.962 0.418 38.9 0.0000 0.0000OK Weir Outfall 05 38.8 396.6

Orifice Outfall 05 0.1 2.6

360 minute summer Outfall 05 8 77.280 0.000 38.8 0.0000 0.0000OK

Page 71: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 2 year 360 minute winter

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 2 year 360 minute winter. 600 minute analysis at 8 minute timestep. Mass balance: 99.89%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

360 minute winter 16 184 91.452 0.032 2.8 0.0757 0.0000OK 3.000 17 2.8 0.958 0.040 0.1018

360 minute winter 17 184 90.832 0.025 3.4 0.0433 0.0000OK 3.001 18 3.4 0.967 0.026 0.0714

360 minute winter 18 184 89.565 0.040 4.8 0.0805 0.0000OK 3.002 19 4.8 0.910 0.069 0.0801

360 minute winter 19 184 89.299 0.046 8.6 0.1480 0.0000OK 3.003 20 8.6 1.342 0.049 0.2826

360 minute winter 20 184 88.189 0.042 8.6 0.0602 0.0000OK 3.004 21 8.6 1.162 0.043 0.2294

360 minute winter 21 184 87.208 0.055 8.6 0.0785 0.0000OK 3.005 22 8.5 1.038 0.070 0.2779

360 minute winter 22 184 86.795 0.050 12.8 0.1627 0.0000OK 3.006 26 12.8 1.608 0.060 0.3109

360 minute winter 26 184 85.385 0.053 15.6 0.1218 0.0000OK 3.007 27 15.6 1.740 0.063 0.0778

360 minute winter 27 184 84.959 0.059 15.9 0.1543 0.0000OK 3.008 32 15.9 1.672 0.080 0.2568

360 minute winter 28 184 87.744 0.036 1.9 0.0658 0.0000OK 4.000 29 1.9 0.618 0.051 0.0447

360 minute winter 29 184 87.656 0.023 2.7 0.0304 0.0000OK 4.001 30 2.7 1.137 0.022 0.0496

360 minute winter 30 184 86.530 0.027 4.0 0.0359 0.0000OK 4.002 31 4.0 1.556 0.029 0.0498

360 minute winter 31 184 85.150 0.026 4.0 0.0224 0.0000OK 4.003 32 4.0 1.619 0.027 0.0275

360 minute winter 32 184 84.072 0.097 22.2 0.2917 0.0000OK 3.009 33 22.1 1.020 0.136 0.4384

360 minute winter 33 184 83.859 0.094 22.1 0.2385 0.0000OK 3.010 8 22.1 0.992 0.085 0.2774

360 minute winter 8 184 83.770 0.085 22.1 0.2168 0.0000OK 3.011 11 22.1 1.330 0.071 1.2090

360 minute winter 1 184 89.323 0.024 2.0 0.0468 0.0000OK 1.000 2 2.0 1.100 0.055 0.0348

360 minute winter 2 184 88.461 0.035 3.0 0.0632 0.0000OK 1.001 3 3.0 0.680 0.052 0.0521

360 minute winter 3 184 88.320 0.041 4.2 0.0808 0.0000OK 1.002 4 4.2 0.761 0.072 0.0758

360 minute winter 4 184 88.156 0.048 7.5 0.1414 0.0000OK 1.003 5 7.5 1.225 0.097 0.2565

360 minute winter 5 184 87.231 0.048 10.0 0.1444 0.0000OK 1.004 6 10.0 1.660 0.094 0.1192

360 minute winter 6 184 86.331 0.042 10.8 0.0905 0.0000OK 1.005 7 10.8 1.649 0.042 0.0778

360 minute winter 7 184 85.697 0.047 14.3 0.1851 0.0000OK 1.006 Inlet 01 14.3 2.052 0.051 0.0619

360 minute winter Inlet 01 248 84.927 0.152 14.3 0.0000 0.0000OK Flow through pond Outfall 01 11.8 0.019 0.003 39.7784

360 minute winter Outfall 01 248 84.927 0.177 43.1 0.0000 0.0000OK 2.000 10 -31.7 -0.566 -0.130 0.2976

360 minute winter 10 184 84.967 0.467 27.9 1.1885 0.0000SURCHARGED Hydro-Brake® 11 6.5

360 minute winter 11 184 83.084 0.061 31.4 0.2233 0.0000OK 2.002 12 31.5 2.375 0.038 0.2831

360 minute winter 12 184 81.716 0.064 33.1 0.2011 0.0000OK 2.003 13 33.1 2.401 0.043 0.3440

360 minute winter 13 184 80.282 0.064 35.8 0.2273 0.0000OK 2.004 14 35.7 1.389 0.044 0.8377

360 minute winter 14 192 79.149 0.199 41.9 0.9691 0.0000OK 2.005 Inlet 02 41.8 0.980 0.118 0.5326

360 minute winter Inlet 02 192 79.151 0.362 41.8 0.0000 0.0000OK Flow through pond Outfall 03 46.2 0.048 0.054 95.0859

360 minute winter 9 184 80.223 0.023 2.0 0.0400 0.0000OK 6.000 Inlet 04 2.0 1.486 0.113 0.0065

360 minute winter Inlet 04 192 79.410 0.111 3.6 0.1438 0.0000OK Flow through pond Outfall 02 3.5 0.034 0.013 3.0932

360 minute winter Outfall 02 192 79.254 0.054 3.5 0.0000 0.0000OK 7.000 Inlet 03 3.5 0.611 0.285 0.0596

360 minute winter Inlet 03 192 79.069 0.280 3.5 0.0000 0.0000OK Flow through pond Outfall 03 46.2 0.048 0.054 95.0859

360 minute winter Outfall 03 240 78.914 0.214 66.2 0.0000 0.0000OK 5.000 40 103.1 1.045 0.238 0.6344

360 minute winter 40 240 79.015 0.415 103.1 1.4391 0.0000SURCHARGED Hydro-Brake® Outfall 04 38.7

Hydro-Brake® Outfall 04 0.0

Page 72: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 2 year 360 minute winter

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

360 minute winter Outfall 04 240 78.175 0.075 38.7 0.0000 0.0000OK 5.002 J1 39.8 0.138 0.012 1.1344

360 minute winter J1 200 78.178 0.401 39.8 0.0000 0.0000OK Weir J2 38.4

Orifice J2 0.1

360 minute winter J2 200 77.962 0.418 38.5 0.0000 0.0000OK Weir Outfall 05 39.0 443.2

Orifice Outfall 05 0.1 2.6

360 minute winter Outfall 05 8 77.280 0.000 39.0 0.0000 0.0000OK

Page 73: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 30 year 30 minute summer

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 30 year 30 minute summer. 270 minute analysis at 1 minute timestep. Mass balance: 99.65%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

30 minute summer 16 18 91.523 0.103 26.3 0.2415 0.0000OK 3.000 17 26.3 1.801 0.380 0.5089

30 minute summer 17 18 90.882 0.075 32.1 0.1309 0.0000OK 3.001 18 32.1 1.670 0.243 0.3866

30 minute summer 18 18 89.669 0.144 45.0 0.2910 0.0000OK 3.002 19 45.0 1.637 0.646 0.4183

30 minute summer 19 18 89.403 0.150 80.6 0.4839 0.0000OK 3.003 20 80.6 2.490 0.457 1.4334

30 minute summer 20 18 88.278 0.131 80.6 0.1877 0.0000OK 3.004 21 80.3 2.103 0.402 1.1825

30 minute summer 21 18 87.342 0.189 80.3 0.2701 0.0000OK 3.005 22 79.6 1.883 0.651 1.4412

30 minute summer 22 18 86.907 0.162 119.4 0.5278 0.0000OK 3.006 26 118.6 2.669 0.559 1.7355

30 minute summer 26 18 85.533 0.201 144.7 0.4661 0.0000OK 3.007 27 143.7 2.830 0.577 0.4510

30 minute summer 27 19 85.114 0.214 146.9 0.5648 0.0000OK 3.008 32 146.3 2.221 0.740 1.6810

30 minute summer 28 18 87.820 0.112 17.9 0.2043 0.0000OK 4.000 29 17.9 1.188 0.478 0.2169

30 minute summer 29 18 87.703 0.070 25.8 0.0918 0.0000OK 4.001 30 25.8 2.129 0.212 0.2520

30 minute summer 30 18 86.588 0.085 38.2 0.1147 0.0000OK 4.002 31 38.2 2.972 0.274 0.2493

30 minute summer 31 18 85.201 0.077 38.2 0.0666 0.0000OK 4.003 32 38.2 2.672 0.254 0.2882

30 minute summer 32 19 84.465 0.490 204.9 1.4757 0.0000SURCHARGED 3.009 33 204.6 1.860 1.254 2.1440

30 minute summer 33 19 84.105 0.340 204.6 0.8645 0.0000OK 3.010 8 205.1 1.734 0.792 1.4659

30 minute summer 8 19 83.974 0.289 205.1 0.7359 0.0000OK 3.011 11 205.8 2.472 0.665 6.0063

30 minute summer 1 18 89.380 0.081 19.0 0.1560 0.0000OK 1.000 2 19.0 2.028 0.521 0.1795

30 minute summer 2 18 88.551 0.125 28.0 0.2270 0.0000OK 1.001 3 28.0 1.079 0.482 0.3056

30 minute summer 3 18 88.434 0.155 39.6 0.3052 0.0000OK 1.002 4 39.6 1.267 0.681 0.4286

30 minute summer 4 18 88.284 0.176 70.7 0.5224 0.0000OK 1.003 5 70.5 2.060 0.911 1.4370

30 minute summer 5 18 87.369 0.186 94.2 0.5648 0.0000OK 1.004 6 93.4 2.835 0.880 0.6534

30 minute summer 6 18 86.433 0.144 101.0 0.3098 0.0000OK 1.005 7 100.8 2.812 0.390 0.4281

30 minute summer 7 18 85.811 0.161 133.7 0.6311 0.0000OK 1.006 Inlet 01 133.4 3.687 0.480 0.3219

30 minute summer Inlet 01 34 85.056 0.281 133.4 0.0000 0.0000OK Flow through pond Outfall 01 109.4 0.060 0.030 74.7006

30 minute summer Outfall 01 34 85.055 0.305 140.9 0.0000 0.0000SURCHARGED 2.000 10 -34.0 0.750 -0.140 0.3686

30 minute summer 10 34 85.056 0.556 31.8 1.4147 0.0000SURCHARGED Hydro-Brake® 11 6.5

30 minute summer 11 19 83.202 0.179 237.8 0.6602 0.0000OK 2.002 12 237.3 3.994 0.289 1.2690

30 minute summer 12 19 81.834 0.182 250.5 0.5698 0.0000OK 2.003 13 250.9 3.774 0.323 1.7945

30 minute summer 13 19 80.453 0.235 273.7 0.8354 0.0000OK 2.004 14 269.8 1.960 0.336 2.5033

30 minute summer 14 20 80.006 1.056 322.3 5.1528 0.0000SURCHARGED 2.005 Inlet 02 312.5 1.972 0.884 0.9957

30 minute summer Inlet 02 20 79.902 1.114 312.5 0.0000 0.0000OK Flow through pond Outfall 03 175.3 0.098 0.204 186.6680

30 minute summer 9 18 80.286 0.086 18.4 0.1512 0.0000OK 6.000 Inlet 04 18.4 2.531 1.044 0.0363

30 minute summer Inlet 04 20 79.591 0.292 32.9 0.3778 0.0000OK Flow through pond Outfall 02 26.8 0.074 0.104 12.0496

30 minute summer Outfall 02 26 79.456 0.256 26.8 0.0000 0.0000SURCHARGED 7.000 Inlet 03 14.9 0.913 1.225 0.1847

30 minute summer Inlet 03 24 79.401 0.612 14.9 0.0000 0.0000OK Flow through pond Outfall 03 175.3 0.098 0.204 186.6680

30 minute summer Outfall 03 38 79.168 0.468 184.4 0.0000 0.0000SURCHARGED 5.000 40 93.4 0.961 0.216 0.8852

30 minute summer 40 38 79.166 0.566 93.4 1.9602 0.0000SURCHARGED Hydro-Brake® Outfall 04 38.7

Hydro-Brake® Outfall 04 4.3

30 minute summer Outfall 04 41 78.181 0.081 42.3 0.0000 0.0000OK 5.002 J1 42.3 0.162 0.012 1.1488

Page 74: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 30 year 30 minute summer

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

30 minute summer J1 38 78.181 0.404 42.3 0.0000 0.0000OK Weir J2 42.8

Orifice J2 0.1

30 minute summer J2 38 77.965 0.421 42.9 0.0000 0.0000OK Weir Outfall 05 45.1 292.6

Orifice Outfall 05 0.1 1.3

30 minute summer Outfall 05 1 77.280 0.000 45.1 0.0000 0.0000OK

Page 75: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 30 year 30 minute winter

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 30 year 30 minute winter. 270 minute analysis at 1 minute timestep. Mass balance: 99.68%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

30 minute winter 16 18 91.517 0.097 23.8 0.2281 0.0000OK 3.000 17 23.8 1.756 0.344 0.4725

30 minute winter 17 18 90.878 0.071 29.0 0.1241 0.0000OK 3.001 18 29.0 1.642 0.220 0.3563

30 minute winter 18 18 89.659 0.134 40.7 0.2707 0.0000OK 3.002 19 40.7 1.600 0.584 0.3872

30 minute winter 19 18 89.394 0.141 72.9 0.4555 0.0000OK 3.003 20 72.9 2.429 0.414 1.3290

30 minute winter 20 18 88.271 0.124 72.9 0.1776 0.0000OK 3.004 21 72.7 2.058 0.364 1.0959

30 minute winter 21 18 87.330 0.177 72.7 0.2529 0.0000OK 3.005 22 72.3 1.839 0.591 1.3346

30 minute winter 22 18 86.897 0.152 108.3 0.4971 0.0000OK 3.006 26 107.8 2.626 0.508 1.6032

30 minute winter 26 18 85.519 0.187 131.4 0.4339 0.0000OK 3.007 27 130.9 2.822 0.526 0.4045

30 minute winter 27 18 85.090 0.190 133.8 0.5002 0.0000OK 3.008 32 133.4 2.216 0.675 1.5881

30 minute winter 28 18 87.814 0.106 16.2 0.1934 0.0000OK 4.000 29 16.2 1.156 0.432 0.2019

30 minute winter 29 18 87.699 0.066 23.3 0.0870 0.0000OK 4.001 30 23.3 2.075 0.191 0.2336

30 minute winter 30 18 86.583 0.080 34.5 0.1083 0.0000OK 4.002 31 34.5 2.894 0.247 0.2311

30 minute winter 31 18 85.197 0.073 34.5 0.0632 0.0000OK 4.003 32 34.5 2.760 0.229 0.2747

30 minute winter 32 19 84.409 0.434 187.0 1.3066 0.0000SURCHARGED 3.009 33 186.8 1.708 1.145 2.1127

30 minute winter 33 19 84.083 0.318 186.8 0.8101 0.0000OK 3.010 8 187.1 1.698 0.722 1.3665

30 minute winter 8 19 83.957 0.272 187.1 0.6919 0.0000OK 3.011 11 187.3 2.422 0.605 5.5893

30 minute winter 1 18 89.375 0.076 17.2 0.1466 0.0000OK 1.000 2 17.2 1.982 0.472 0.1663

30 minute winter 2 18 88.542 0.116 25.3 0.2107 0.0000OK 1.001 3 25.3 1.071 0.436 0.2784

30 minute winter 3 18 88.422 0.143 35.8 0.2811 0.0000OK 1.002 4 35.8 1.255 0.616 0.3910

30 minute winter 4 18 88.269 0.161 63.9 0.4786 0.0000OK 1.003 5 63.9 2.043 0.825 1.3123

30 minute winter 5 18 87.353 0.170 85.2 0.5139 0.0000OK 1.004 6 84.9 2.805 0.800 0.5997

30 minute winter 6 18 86.424 0.135 91.8 0.2916 0.0000OK 1.005 7 91.7 2.758 0.354 0.3962

30 minute winter 7 18 85.802 0.152 121.5 0.5939 0.0000OK 1.006 Inlet 01 121.3 3.611 0.437 0.2991

30 minute winter Inlet 01 34 85.090 0.315 121.3 0.0000 0.0000OK Flow through pond Outfall 01 102.2 0.057 0.028 84.7051

30 minute winter Outfall 01 34 85.090 0.340 133.4 0.0000 0.0000SURCHARGED 2.000 10 -31.2 0.815 -0.128 0.3686

30 minute winter 10 34 85.090 0.590 27.3 1.5026 0.0000SURCHARGED Hydro-Brake® 11 6.5

30 minute winter 11 19 83.193 0.170 217.7 0.6261 0.0000OK 2.002 12 217.4 3.908 0.264 1.1887

30 minute winter 12 19 81.826 0.174 229.8 0.5450 0.0000OK 2.003 13 230.1 3.757 0.296 1.6335

30 minute winter 13 20 80.432 0.214 251.5 0.7614 0.0000OK 2.004 14 249.4 1.863 0.310 2.4067

30 minute winter 14 20 79.988 1.038 298.8 5.0642 0.0000SURCHARGED 2.005 Inlet 02 291.0 1.837 0.823 0.9957

30 minute winter Inlet 02 21 79.901 1.113 291.0 0.0000 0.0000OK Flow through pond Outfall 03 199.5 0.102 0.232 208.8244

30 minute winter 9 18 80.278 0.078 16.7 0.1370 0.0000OK 6.000 Inlet 04 16.7 2.543 0.948 0.0319

30 minute winter Inlet 04 20 79.587 0.288 29.8 0.3717 0.0000OK Flow through pond Outfall 02 27.3 0.073 0.106 13.2577

30 minute winter Outfall 02 26 79.483 0.283 27.3 0.0000 0.0000SURCHARGED 7.000 Inlet 03 15.1 0.899 1.242 0.1847

30 minute winter Inlet 03 25 79.427 0.638 15.1 0.0000 0.0000OK Flow through pond Outfall 03 199.5 0.102 0.232 208.8244

30 minute winter Outfall 03 37 79.215 0.515 251.8 0.0000 0.0000SURCHARGED 5.000 40 79.5 0.924 0.184 0.8852

30 minute winter 40 37 79.213 0.613 79.5 2.1226 0.0000SURCHARGED Hydro-Brake® Outfall 04 38.7

Hydro-Brake® Outfall 04 11.7

Page 76: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 30 year 30 minute winter

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

30 minute winter Outfall 04 48 78.186 0.086 49.3 0.0000 0.0000OK 5.002 J1 52.3 0.173 0.015 1.1771

30 minute winter J1 38 78.186 0.409 52.3 0.0000 0.0000OK Weir J2 50.2

Orifice J2 0.1

30 minute winter J2 38 77.970 0.426 50.3 0.0000 0.0000OK Weir Outfall 05 55.3 325.7

Orifice Outfall 05 0.1 1.3

30 minute winter Outfall 05 1 77.280 0.000 55.3 0.0000 0.0000OK

Page 77: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 30 year 60 minute summer

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 30 year 60 minute summer. 300 minute analysis at 1 minute timestep. Mass balance: 99.66%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

60 minute summer 16 33 91.510 0.090 20.6 0.2103 0.0000OK 3.000 17 20.6 1.691 0.298 0.4248

60 minute summer 17 33 90.873 0.066 25.1 0.1152 0.0000OK 3.001 18 25.1 1.601 0.190 0.3175

60 minute summer 18 33 89.647 0.122 35.2 0.2453 0.0000OK 3.002 19 35.2 1.546 0.505 0.3465

60 minute summer 19 33 89.382 0.129 63.0 0.4182 0.0000OK 3.003 20 63.0 2.342 0.357 1.1913

60 minute summer 20 33 88.262 0.115 63.0 0.1640 0.0000OK 3.004 21 62.8 1.991 0.315 0.9800

60 minute summer 21 33 87.314 0.161 62.8 0.2303 0.0000OK 3.005 22 62.5 1.780 0.511 1.1911

60 minute summer 22 33 86.885 0.140 93.5 0.4555 0.0000OK 3.006 26 93.1 2.558 0.439 1.4224

60 minute summer 26 33 85.501 0.169 113.5 0.3910 0.0000OK 3.007 27 113.1 2.794 0.454 0.3516

60 minute summer 27 33 85.067 0.167 115.6 0.4397 0.0000OK 3.008 32 115.2 2.216 0.583 1.4527

60 minute summer 28 33 87.806 0.098 14.0 0.1787 0.0000OK 4.000 29 14.0 1.109 0.374 0.1822

60 minute summer 29 33 87.695 0.062 20.2 0.0809 0.0000OK 4.001 30 20.2 1.999 0.166 0.2102

60 minute summer 30 33 86.577 0.074 29.9 0.1001 0.0000OK 4.002 31 29.9 2.788 0.214 0.2080

60 minute summer 31 31 85.193 0.069 29.9 0.0598 0.0000OK 4.003 32 29.9 2.716 0.199 0.1794

60 minute summer 32 34 84.324 0.349 162.0 1.0510 0.0000OK 3.009 33 161.3 1.612 0.989 2.0149

60 minute summer 33 34 84.053 0.288 161.3 0.7341 0.0000OK 3.010 8 161.4 1.639 0.623 1.2220

60 minute summer 8 34 83.933 0.248 161.4 0.6305 0.0000OK 3.011 11 161.2 2.348 0.521 4.9813

60 minute summer 1 33 89.368 0.069 14.8 0.1340 0.0000OK 1.000 2 14.8 1.911 0.406 0.1484

60 minute summer 2 33 88.531 0.105 21.8 0.1902 0.0000OK 1.001 3 21.8 1.052 0.375 0.2445

60 minute summer 3 33 88.407 0.128 30.9 0.2523 0.0000OK 1.002 4 30.9 1.229 0.532 0.3449

60 minute summer 4 33 88.252 0.144 55.2 0.4291 0.0000OK 1.003 5 55.2 2.000 0.713 1.1587

60 minute summer 5 33 87.334 0.151 73.7 0.4572 0.0000OK 1.004 6 73.5 2.743 0.692 0.5313

60 minute summer 6 33 86.413 0.124 79.5 0.2667 0.0000OK 1.005 7 79.4 2.680 0.307 0.3527

60 minute summer 7 33 85.789 0.139 105.1 0.5430 0.0000OK 1.006 Inlet 01 105.0 3.491 0.378 0.2676

60 minute summer Inlet 01 63 85.114 0.339 105.0 0.0000 0.0000OK Flow through pond Outfall 01 74.7 0.042 0.020 91.6766

60 minute summer Outfall 01 64 85.114 0.364 100.3 0.0000 0.0000SURCHARGED 2.000 10 35.4 0.685 0.145 0.3686

60 minute summer 10 64 85.113 0.613 35.4 1.5607 0.0000SURCHARGED Hydro-Brake® 11 6.5

60 minute summer 11 34 83.179 0.156 188.3 0.5734 0.0000OK 2.002 12 188.0 3.744 0.229 1.0730

60 minute summer 12 34 81.815 0.163 198.7 0.5113 0.0000OK 2.003 13 198.8 3.755 0.256 1.3615

60 minute summer 13 34 80.393 0.175 217.3 0.6237 0.0000OK 2.004 14 216.1 1.707 0.269 2.2290

60 minute summer 14 35 79.905 0.955 258.8 4.6595 0.0000SURCHARGED 2.005 Inlet 02 253.7 1.601 0.718 0.9957

60 minute summer Inlet 02 36 79.835 1.046 253.7 0.0000 0.0000OK Flow through pond Outfall 03 192.9 0.097 0.224 218.6682

60 minute summer 9 33 80.269 0.069 14.4 0.1210 0.0000OK 6.000 Inlet 04 14.4 2.496 0.818 0.0280

60 minute summer Inlet 04 35 79.566 0.267 25.7 0.3448 0.0000OK Flow through pond Outfall 02 23.5 0.068 0.091 12.1361

60 minute summer Outfall 02 41 79.463 0.263 23.5 0.0000 0.0000SURCHARGED 7.000 Inlet 03 14.4 0.864 1.182 0.1847

60 minute summer Inlet 03 40 79.407 0.618 14.4 0.0000 0.0000OK Flow through pond Outfall 03 192.9 0.097 0.224 218.6682

60 minute summer Outfall 03 56 79.238 0.538 253.5 0.0000 0.0000SURCHARGED 5.000 40 125.1 0.916 0.289 0.8852

60 minute summer 40 56 79.235 0.635 125.1 2.1991 0.0000SURCHARGED Hydro-Brake® Outfall 04 38.7

Hydro-Brake® Outfall 04 16.2

60 minute summer Outfall 04 68 78.185 0.085 53.5 0.0000 0.0000OK 5.002 J1 56.2 0.184 0.016 1.1911

Page 78: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 30 year 60 minute summer

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

60 minute summer J1 56 78.188 0.411 56.2 0.0000 0.0000OK Weir J2 53.4

Orifice J2 0.1

60 minute summer J2 67 77.973 0.429 53.5 0.0000 0.0000OK Weir Outfall 05 53.4 374.5

Orifice Outfall 05 0.1 1.4

60 minute summer Outfall 05 1 77.280 0.000 53.4 0.0000 0.0000OK

Page 79: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 30 year 60 minute winter

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 30 year 60 minute winter. 300 minute analysis at 1 minute timestep. Mass balance: 99.68%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

60 minute winter 16 33 91.500 0.080 16.6 0.1868 0.0000OK 3.000 17 16.6 1.595 0.240 0.3632

60 minute winter 17 33 90.866 0.059 20.3 0.1034 0.0000OK 3.001 18 20.3 1.532 0.154 0.2690

60 minute winter 18 33 89.631 0.106 28.5 0.2143 0.0000OK 3.002 19 28.5 1.469 0.409 0.2953

60 minute winter 19 33 89.368 0.115 51.0 0.3709 0.0000OK 3.003 20 51.0 2.217 0.289 1.0191

60 minute winter 20 33 88.250 0.102 51.0 0.1467 0.0000OK 3.004 21 50.9 1.891 0.255 0.8374

60 minute winter 21 33 87.295 0.142 50.9 0.2030 0.0000OK 3.005 22 50.8 1.690 0.416 1.0165

60 minute winter 22 33 86.869 0.124 75.9 0.4045 0.0000OK 3.006 26 75.7 2.459 0.357 1.2034

60 minute winter 26 33 85.479 0.147 92.2 0.3398 0.0000OK 3.007 27 92.1 2.685 0.370 0.2976

60 minute winter 27 34 85.047 0.147 94.1 0.3880 0.0000OK 3.008 32 94.1 2.213 0.476 1.1615

60 minute winter 28 33 87.796 0.088 11.3 0.1595 0.0000OK 4.000 29 11.3 1.043 0.301 0.1566

60 minute winter 29 33 87.688 0.055 16.3 0.0726 0.0000OK 4.001 30 16.3 1.908 0.134 0.1777

60 minute winter 30 33 86.568 0.065 24.1 0.0879 0.0000OK 4.002 31 24.1 2.544 0.173 0.1836

60 minute winter 31 33 85.189 0.065 24.1 0.0560 0.0000OK 4.003 32 24.1 2.676 0.160 0.1003

60 minute winter 32 34 84.256 0.281 131.8 0.8452 0.0000OK 3.009 33 131.8 1.582 0.808 1.6794

60 minute winter 33 34 84.019 0.254 131.8 0.6457 0.0000OK 3.010 8 131.8 1.560 0.509 1.0495

60 minute winter 8 34 83.905 0.220 131.8 0.5593 0.0000OK 3.011 11 131.9 2.237 0.426 4.2791

60 minute winter 1 33 89.360 0.061 12.0 0.1187 0.0000OK 1.000 2 12.0 1.812 0.329 0.1269

60 minute winter 2 33 88.518 0.091 17.7 0.1664 0.0000OK 1.001 3 17.7 1.020 0.305 0.2048

60 minute winter 3 33 88.390 0.111 25.0 0.2189 0.0000OK 1.002 4 25.0 1.183 0.430 0.2898

60 minute winter 4 33 88.233 0.125 44.6 0.3722 0.0000OK 1.003 5 44.6 1.920 0.576 0.9751

60 minute winter 5 33 87.313 0.130 59.6 0.3941 0.0000OK 1.004 6 59.5 2.632 0.561 0.4489

60 minute winter 6 33 86.398 0.109 64.3 0.2351 0.0000OK 1.005 7 64.3 2.566 0.249 0.2984

60 minute winter 7 33 85.772 0.122 85.1 0.4791 0.0000OK 1.006 Inlet 01 85.1 3.320 0.306 0.2281

60 minute winter Inlet 01 63 85.157 0.381 85.1 0.0000 0.0000OK Flow through pond Outfall 01 56.8 0.039 0.015 104.6020

60 minute winter Outfall 01 63 85.156 0.406 77.3 0.0000 0.0000SURCHARGED 2.000 10 50.7 0.914 0.208 0.3686

60 minute winter 10 63 85.156 0.656 50.7 1.6701 0.0000SURCHARGED Hydro-Brake® 11 6.5

60 minute winter 11 34 83.162 0.139 155.6 0.5131 0.0000OK 2.002 12 155.5 3.548 0.189 0.9362

60 minute winter 12 34 81.802 0.150 164.5 0.4682 0.0000OK 2.003 13 164.5 3.693 0.212 1.1128

60 minute winter 13 34 80.361 0.143 180.0 0.5074 0.0000OK 2.004 14 180.0 1.623 0.224 2.0841

60 minute winter 14 36 79.811 0.861 215.8 4.2035 0.0000SURCHARGED 2.005 Inlet 02 213.0 1.455 0.603 0.9957

60 minute winter Inlet 02 36 79.763 0.975 213.0 0.0000 0.0000OK Flow through pond Outfall 03 190.7 0.092 0.222 240.6225

60 minute winter 9 33 80.260 0.060 11.7 0.1048 0.0000OK 6.000 Inlet 04 11.7 2.394 0.664 0.0237

60 minute winter Inlet 04 34 79.547 0.248 20.9 0.3206 0.0000OK Flow through pond Outfall 02 20.8 0.063 0.081 12.1076

60 minute winter Outfall 02 43 79.465 0.265 20.8 0.0000 0.0000SURCHARGED 7.000 Inlet 03 13.7 0.858 1.124 0.1847

60 minute winter Inlet 03 41 79.404 0.615 13.7 0.0000 0.0000OK Flow through pond Outfall 03 190.7 0.092 0.222 240.6225

60 minute winter Outfall 03 56 79.282 0.582 225.5 0.0000 0.0000SURCHARGED 5.000 40 120.3 1.049 0.278 0.8852

60 minute winter 40 56 79.278 0.678 120.3 2.3485 0.0000SURCHARGED Hydro-Brake® Outfall 04 38.7

Hydro-Brake® Outfall 04 26.3

Page 80: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 30 year 60 minute winter

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

60 minute winter Outfall 04 67 78.192 0.092 63.1 0.0000 0.0000OK 5.002 J1 63.9 0.204 0.019 1.2245

60 minute winter J1 56 78.194 0.417 63.9 0.0000 0.0000OK Weir J2 63.0

Orifice J2 0.1

60 minute winter J2 56 77.978 0.434 63.1 0.0000 0.0000OK Weir Outfall 05 63.0 410.7

Orifice Outfall 05 0.1 1.4

60 minute winter Outfall 05 1 77.280 0.000 63.0 0.0000 0.0000OK

Page 81: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 30 year 120 minute summer

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 30 year 120 minute summer. 360 minute analysis at 2 minute timestep. Mass balance: 99.71%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

120 minute summer 16 64 91.492 0.072 13.9 0.1699 0.0000OK 3.000 17 13.9 1.518 0.201 0.3194

120 minute summer 17 64 90.861 0.054 17.0 0.0946 0.0000OK 3.001 18 17.0 1.476 0.129 0.2343

120 minute summer 18 64 89.620 0.095 23.8 0.1920 0.0000OK 3.002 19 23.8 1.405 0.342 0.2580

120 minute summer 19 64 89.357 0.104 42.6 0.3360 0.0000OK 3.003 20 42.6 2.113 0.242 0.8933

120 minute summer 20 64 88.240 0.093 42.6 0.1336 0.0000OK 3.004 21 42.6 1.807 0.213 0.7335

120 minute summer 21 64 87.281 0.128 42.6 0.1830 0.0000OK 3.005 22 42.6 1.616 0.348 0.8901

120 minute summer 22 64 86.858 0.113 63.6 0.3671 0.0000OK 3.006 26 63.6 2.372 0.299 1.0462

120 minute summer 26 64 85.463 0.131 77.4 0.3032 0.0000OK 3.007 27 77.3 2.586 0.310 0.2594

120 minute summer 27 64 85.034 0.134 79.0 0.3517 0.0000OK 3.008 32 79.0 2.207 0.400 0.9747

120 minute summer 28 64 87.788 0.080 9.5 0.1458 0.0000OK 4.000 29 9.5 0.993 0.253 0.1385

120 minute summer 29 64 87.684 0.051 13.7 0.0665 0.0000OK 4.001 30 13.7 1.818 0.112 0.1568

120 minute summer 30 64 86.563 0.060 20.3 0.0804 0.0000OK 4.002 31 20.3 2.436 0.146 0.1615

120 minute summer 31 64 85.183 0.059 20.3 0.0510 0.0000OK 4.003 32 20.3 2.557 0.135 0.0884

120 minute summer 32 64 84.222 0.247 110.7 0.7440 0.0000OK 3.009 33 110.5 1.526 0.677 1.4610

120 minute summer 33 64 83.993 0.228 110.5 0.5797 0.0000OK 3.010 8 110.4 1.495 0.426 0.9177

120 minute summer 8 64 83.883 0.198 110.4 0.5045 0.0000OK 3.011 11 110.0 2.135 0.355 3.7449

120 minute summer 1 64 89.354 0.055 10.0 0.1071 0.0000OK 1.000 2 10.0 1.728 0.274 0.1108

120 minute summer 2 64 88.508 0.082 14.7 0.1487 0.0000OK 1.001 3 14.7 0.986 0.253 0.1761

120 minute summer 3 64 88.378 0.099 20.8 0.1949 0.0000OK 1.002 4 20.8 1.138 0.358 0.2507

120 minute summer 4 64 88.220 0.112 37.2 0.3329 0.0000OK 1.003 5 37.2 1.848 0.481 0.8454

120 minute summer 5 64 87.299 0.116 49.7 0.3506 0.0000OK 1.004 6 49.7 2.529 0.468 0.3900

120 minute summer 6 64 86.387 0.098 53.7 0.2118 0.0000OK 1.005 7 53.7 2.467 0.208 0.2592

120 minute summer 7 64 85.760 0.110 71.1 0.4319 0.0000OK 1.006 Inlet 01 71.1 3.174 0.256 0.1994

120 minute summer Inlet 01 122 85.156 0.381 71.1 0.0000 0.0000OK Flow through pond Outfall 01 40.5 0.026 0.011 104.3176

120 minute summer Outfall 01 122 85.156 0.406 51.5 0.0000 0.0000SURCHARGED 2.000 10 42.2 0.701 0.173 0.3686

120 minute summer 10 122 85.155 0.655 42.2 1.6678 0.0000SURCHARGED Hydro-Brake® 11 6.5

120 minute summer 11 64 83.150 0.127 131.2 0.4664 0.0000OK 2.002 12 130.8 3.411 0.159 0.8192

120 minute summer 12 64 81.788 0.136 138.5 0.4249 0.0000OK 2.003 13 138.3 3.534 0.178 0.9774

120 minute summer 13 64 80.348 0.130 151.5 0.4638 0.0000OK 2.004 14 151.3 1.437 0.188 2.0318

120 minute summer 14 66 79.691 0.741 181.8 3.6153 0.0000SURCHARGED 2.005 Inlet 02 179.0 1.236 0.507 0.9957

120 minute summer Inlet 02 66 79.656 0.867 179.0 0.0000 0.0000OK Flow through pond Outfall 03 159.3 0.082 0.185 233.4737

120 minute summer 9 64 80.254 0.054 9.8 0.0937 0.0000OK 6.000 Inlet 04 9.8 2.298 0.556 0.0207

120 minute summer Inlet 04 66 79.528 0.229 17.5 0.2956 0.0000OK Flow through pond Outfall 02 17.1 0.060 0.066 9.5918

120 minute summer Outfall 02 74 79.409 0.209 17.1 0.0000 0.0000SURCHARGED 7.000 Inlet 03 12.5 0.813 1.027 0.1847

120 minute summer Inlet 03 72 79.354 0.566 12.5 0.0000 0.0000OK Flow through pond Outfall 03 159.3 0.082 0.185 233.4737

120 minute summer Outfall 03 86 79.268 0.568 159.3 0.0000 0.0000SURCHARGED 5.000 40 122.4 0.980 0.283 0.8852

120 minute summer 40 86 79.264 0.664 122.4 2.3003 0.0000SURCHARGED Hydro-Brake® Outfall 04 38.7

Hydro-Brake® Outfall 04 22.9

120 minute summer Outfall 04 86 78.186 0.086 59.8 0.0000 0.0000OK 5.002 J1 59.8 0.191 0.018 1.2134

Page 82: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 30 year 120 minute summer

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

120 minute summer J1 86 78.192 0.415 59.8 0.0000 0.0000OK Weir J2 59.8

Orifice J2 0.1

120 minute summer J2 86 77.976 0.432 59.8 0.0000 0.0000OK Weir Outfall 05 59.8 473.8

Orifice Outfall 05 0.1 1.6

120 minute summer Outfall 05 2 77.280 0.000 59.8 0.0000 0.0000OK

Page 83: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 30 year 120 minute winter

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 30 year 120 minute winter. 360 minute analysis at 2 minute timestep. Mass balance: 99.71%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

120 minute winter 16 64 91.483 0.063 10.8 0.1489 0.0000OK 3.000 17 10.8 1.417 0.156 0.2661

120 minute winter 17 64 90.855 0.048 13.2 0.0833 0.0000OK 3.001 18 13.2 1.391 0.100 0.1934

120 minute winter 18 64 89.607 0.082 18.5 0.1657 0.0000OK 3.002 19 18.5 1.318 0.266 0.2137

120 minute winter 19 64 89.344 0.091 33.0 0.2930 0.0000OK 3.003 20 33.0 1.972 0.187 0.7416

120 minute winter 20 64 88.229 0.082 33.0 0.1172 0.0000OK 3.004 21 33.0 1.692 0.165 0.6074

120 minute winter 21 64 87.264 0.111 33.0 0.1586 0.0000OK 3.005 22 33.0 1.513 0.270 0.7363

120 minute winter 22 64 86.843 0.098 49.2 0.3202 0.0000OK 3.006 26 49.2 2.246 0.232 0.8547

120 minute winter 26 64 85.443 0.111 59.8 0.2581 0.0000OK 3.007 27 59.8 2.432 0.240 0.2132

120 minute winter 27 64 85.017 0.117 61.1 0.3076 0.0000OK 3.008 32 61.1 2.209 0.309 0.7518

120 minute winter 28 64 87.778 0.070 7.3 0.1274 0.0000OK 4.000 29 7.3 0.920 0.195 0.1149

120 minute winter 29 64 87.678 0.045 10.5 0.0583 0.0000OK 4.001 30 10.5 1.685 0.086 0.1296

120 minute winter 30 64 86.555 0.052 15.6 0.0702 0.0000OK 4.002 31 15.6 2.274 0.112 0.1329

120 minute winter 31 64 85.175 0.051 15.6 0.0444 0.0000OK 4.003 32 15.6 2.385 0.104 0.0729

120 minute winter 32 64 84.183 0.208 85.5 0.6275 0.0000OK 3.009 33 85.4 1.441 0.523 1.1964

120 minute winter 33 64 83.961 0.196 85.4 0.4983 0.0000OK 3.010 8 85.4 1.402 0.330 0.7570

120 minute winter 8 64 83.857 0.172 85.4 0.4379 0.0000OK 3.011 11 85.2 1.999 0.275 3.1076

120 minute winter 1 64 89.347 0.048 7.7 0.0930 0.0000OK 1.000 2 7.7 1.611 0.211 0.0916

120 minute winter 2 64 88.497 0.071 11.4 0.1283 0.0000OK 1.001 3 11.4 0.937 0.196 0.1437

120 minute winter 3 64 88.364 0.085 16.1 0.1672 0.0000OK 1.002 4 16.1 1.075 0.277 0.2056

120 minute winter 4 64 88.204 0.096 28.8 0.2869 0.0000OK 1.003 5 28.8 1.742 0.372 0.6942

120 minute winter 5 64 87.282 0.099 38.5 0.3001 0.0000OK 1.004 6 38.5 2.381 0.363 0.3210

120 minute winter 6 64 86.374 0.085 41.6 0.1835 0.0000OK 1.005 7 41.6 2.329 0.161 0.2127

120 minute winter 7 64 85.746 0.096 55.0 0.3743 0.0000OK 1.006 Inlet 01 55.0 2.972 0.198 0.1647

120 minute winter Inlet 01 120 85.209 0.434 55.0 0.0000 0.0000OK Flow through pond Outfall 01 32.1 0.025 0.009 120.9308

120 minute winter Outfall 01 120 85.209 0.459 58.4 0.0000 0.0000SURCHARGED 2.000 10 49.7 0.913 0.204 0.3686

120 minute winter 10 120 85.208 0.708 49.7 1.8031 0.0000SURCHARGED Hydro-Brake® 11 6.5

120 minute winter 11 64 83.134 0.111 102.9 0.4096 0.0000OK 2.002 12 102.8 3.223 0.125 0.6814

120 minute winter 12 64 81.771 0.119 108.7 0.3722 0.0000OK 2.003 13 108.7 3.322 0.140 0.8174

120 minute winter 13 64 80.333 0.115 118.9 0.4102 0.0000OK 2.004 14 118.8 1.462 0.148 1.9696

120 minute winter 14 66 79.577 0.627 142.3 3.0623 0.0000SURCHARGED 2.005 Inlet 02 141.5 1.275 0.400 0.9957

120 minute winter Inlet 02 68 79.555 0.767 141.5 0.0000 0.0000OK Flow through pond Outfall 03 135.6 0.073 0.158 250.9094

120 minute winter 9 64 80.246 0.046 7.5 0.0801 0.0000OK 6.000 Inlet 04 7.5 2.149 0.426 0.0169

120 minute winter Inlet 04 64 79.506 0.207 13.4 0.2669 0.0000OK Flow through pond Outfall 02 13.7 0.055 0.053 8.1000

120 minute winter Outfall 02 80 79.382 0.182 13.7 0.0000 0.0000SURCHARGED 7.000 Inlet 03 10.8 0.825 0.887 0.1847

120 minute winter Inlet 03 84 79.351 0.562 10.8 0.0000 0.0000OK Flow through pond Outfall 03 135.6 0.073 0.158 250.9094

120 minute winter Outfall 03 90 79.303 0.602 192.7 0.0000 0.0000SURCHARGED 5.000 40 129.7 0.857 0.299 0.8852

120 minute winter 40 90 79.298 0.698 129.7 2.4167 0.0000SURCHARGED Hydro-Brake® Outfall 04 38.7

Hydro-Brake® Outfall 04 31.3

Page 84: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 30 year 120 minute winter

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

120 minute winter Outfall 04 90 78.190 0.090 67.7 0.0000 0.0000OK 5.002 J1 68.2 0.212 0.020 1.2407

120 minute winter J1 88 78.196 0.419 68.2 0.0000 0.0000OK Weir J2 67.8

Orifice J2 0.1

120 minute winter J2 88 77.980 0.436 67.9 0.0000 0.0000OK Weir Outfall 05 68.1 517.0

Orifice Outfall 05 0.1 1.6

120 minute winter Outfall 05 2 77.280 0.000 68.1 0.0000 0.0000OK

Page 85: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 30 year 180 minute summer

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 30 year 180 minute summer. 420 minute analysis at 4 minute timestep. Mass balance: 99.82%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

180 minute summer 16 96 91.483 0.063 10.6 0.1475 0.0000OK 3.000 17 10.6 1.411 0.153 0.2624

180 minute summer 17 96 90.854 0.047 12.9 0.0824 0.0000OK 3.001 18 12.9 1.383 0.098 0.1902

180 minute summer 18 96 89.606 0.081 18.1 0.1636 0.0000OK 3.002 19 18.1 1.310 0.260 0.2105

180 minute summer 19 96 89.343 0.090 32.4 0.2902 0.0000OK 3.003 20 32.4 1.962 0.184 0.7318

180 minute summer 20 96 88.228 0.081 32.4 0.1161 0.0000OK 3.004 21 32.4 1.684 0.162 0.5993

180 minute summer 21 96 87.263 0.110 32.4 0.1570 0.0000OK 3.005 22 32.4 1.505 0.265 0.7269

180 minute summer 22 96 86.842 0.097 48.4 0.3175 0.0000OK 3.006 26 48.4 2.237 0.228 0.8445

180 minute summer 26 96 85.442 0.110 58.9 0.2558 0.0000OK 3.007 27 58.9 2.423 0.236 0.2109

180 minute summer 27 96 85.016 0.116 60.2 0.3054 0.0000OK 3.008 32 60.2 2.211 0.305 0.7416

180 minute summer 28 96 87.778 0.070 7.2 0.1265 0.0000OK 4.000 29 7.2 0.915 0.192 0.1139

180 minute summer 29 96 87.677 0.044 10.4 0.0580 0.0000OK 4.001 30 10.4 1.682 0.085 0.1286

180 minute summer 30 96 86.555 0.052 15.4 0.0697 0.0000OK 4.002 31 15.4 2.266 0.110 0.1317

180 minute summer 31 96 85.175 0.051 15.4 0.0441 0.0000OK 4.003 32 15.4 2.377 0.102 0.0722

180 minute summer 32 96 84.182 0.207 84.3 0.6223 0.0000OK 3.009 33 84.3 1.437 0.517 1.1846

180 minute summer 33 96 83.959 0.194 84.3 0.4946 0.0000OK 3.010 8 84.3 1.397 0.325 0.7501

180 minute summer 8 96 83.856 0.171 84.3 0.4352 0.0000OK 3.011 11 84.3 1.992 0.272 3.0821

180 minute summer 1 96 89.347 0.048 7.6 0.0923 0.0000OK 1.000 2 7.6 1.606 0.208 0.0907

180 minute summer 2 96 88.496 0.070 11.2 0.1270 0.0000OK 1.001 3 11.2 0.932 0.193 0.1420

180 minute summer 3 96 88.363 0.084 15.9 0.1660 0.0000OK 1.002 4 15.9 1.072 0.274 0.2035

180 minute summer 4 96 88.204 0.096 28.4 0.2847 0.0000OK 1.003 5 28.4 1.737 0.367 0.6865

180 minute summer 5 96 87.281 0.098 37.9 0.2973 0.0000OK 1.004 6 37.9 2.371 0.357 0.3172

180 minute summer 6 96 86.374 0.085 41.0 0.1821 0.0000OK 1.005 7 41.0 2.321 0.158 0.2103

180 minute summer 7 96 85.745 0.095 54.2 0.3712 0.0000OK 1.006 Inlet 01 54.2 2.961 0.195 0.1630

180 minute summer Inlet 01 172 85.161 0.386 54.2 0.0000 0.0000OK Flow through pond Outfall 01 31.1 0.022 0.008 106.0602

180 minute summer Outfall 01 172 85.161 0.411 47.5 0.0000 0.0000SURCHARGED 2.000 10 -23.9 0.498 -0.098 0.3686

180 minute summer 10 172 85.161 0.661 22.3 1.6820 0.0000SURCHARGED Hydro-Brake® 11 6.5

180 minute summer 11 96 83.134 0.111 101.8 0.4074 0.0000OK 2.002 12 101.8 3.216 0.124 0.6763

180 minute summer 12 96 81.770 0.118 107.6 0.3702 0.0000OK 2.003 13 107.6 3.314 0.138 0.8113

180 minute summer 13 96 80.333 0.115 117.6 0.4081 0.0000OK 2.004 14 117.6 1.390 0.146 1.9672

180 minute summer 14 96 79.552 0.602 140.8 2.9368 0.0000SURCHARGED 2.005 Inlet 02 139.9 1.170 0.396 0.9957

180 minute summer Inlet 02 96 79.529 0.741 139.9 0.0000 0.0000OK Flow through pond Outfall 03 130.2 0.070 0.151 231.0210

180 minute summer 9 96 80.245 0.045 7.4 0.0795 0.0000OK 6.000 Inlet 04 7.4 2.142 0.420 0.0168

180 minute summer Inlet 04 96 79.504 0.205 13.2 0.2654 0.0000OK Flow through pond Outfall 02 12.8 0.055 0.049 7.3235

180 minute summer Outfall 02 104 79.342 0.142 12.8 0.0000 0.0000OK 7.000 Inlet 03 10.8 0.822 0.886 0.1828

180 minute summer Inlet 03 112 79.310 0.522 10.8 0.0000 0.0000OK Flow through pond Outfall 03 130.2 0.070 0.151 231.0210

180 minute summer Outfall 03 120 79.263 0.563 140.3 0.0000 0.0000SURCHARGED 5.000 40 97.1 0.819 0.224 0.8852

180 minute summer 40 120 79.259 0.659 97.1 2.2829 0.0000SURCHARGED Hydro-Brake® Outfall 04 38.7

Hydro-Brake® Outfall 04 21.7

180 minute summer Outfall 04 120 78.186 0.086 58.7 0.0000 0.0000OK 5.002 J1 58.7 0.188 0.017 1.2094

Page 86: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 30 year 180 minute summer

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

180 minute summer J1 120 78.191 0.414 58.7 0.0000 0.0000OK Weir J2 58.6

Orifice J2 0.1

180 minute summer J2 120 77.975 0.431 58.7 0.0000 0.0000OK Weir Outfall 05 58.6 543.6

Orifice Outfall 05 0.1 1.9

180 minute summer Outfall 05 4 77.280 0.000 58.6 0.0000 0.0000OK

Page 87: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 30 year 180 minute winter

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 30 year 180 minute winter. 420 minute analysis at 4 minute timestep. Mass balance: 99.69%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

180 minute winter 16 96 91.475 0.055 8.1 0.1284 0.0000OK 3.000 17 8.1 1.305 0.117 0.2166

180 minute winter 17 96 90.849 0.042 9.9 0.0723 0.0000OK 3.001 18 9.9 1.294 0.075 0.1560

180 minute winter 18 96 89.595 0.070 13.9 0.1411 0.0000OK 3.002 19 13.9 1.222 0.200 0.1733

180 minute winter 19 96 89.331 0.078 24.9 0.2529 0.0000OK 3.003 20 24.9 1.824 0.141 0.6050

180 minute winter 20 96 88.218 0.071 24.9 0.1017 0.0000OK 3.004 21 24.9 1.568 0.125 0.4946

180 minute winter 21 96 87.248 0.095 24.9 0.1361 0.0000OK 3.005 22 24.9 1.403 0.204 0.5994

180 minute winter 22 96 86.830 0.085 37.2 0.2769 0.0000OK 3.006 26 37.2 2.110 0.175 0.6884

180 minute winter 26 96 85.426 0.094 45.3 0.2185 0.0000OK 3.007 27 45.3 2.259 0.182 0.1741

180 minute winter 27 96 85.002 0.102 46.3 0.2696 0.0000OK 3.008 32 46.3 2.208 0.234 0.5673

180 minute winter 28 96 87.769 0.061 5.5 0.1105 0.0000OK 4.000 29 5.5 0.847 0.147 0.0942

180 minute winter 29 96 87.672 0.039 7.9 0.0508 0.0000OK 4.001 30 7.9 1.554 0.065 0.1057

180 minute winter 30 96 86.548 0.045 11.7 0.0607 0.0000OK 4.002 31 11.7 2.107 0.084 0.1076

180 minute winter 31 96 85.168 0.044 11.7 0.0382 0.0000OK 4.003 32 11.7 2.202 0.078 0.0592

180 minute winter 32 96 84.151 0.176 64.7 0.5293 0.0000OK 3.009 33 64.7 1.348 0.397 0.9689

180 minute winter 33 96 83.932 0.167 64.7 0.4255 0.0000OK 3.010 8 64.7 1.307 0.250 0.6156

180 minute winter 8 96 83.833 0.148 64.7 0.3777 0.0000OK 3.011 11 64.7 1.852 0.209 2.5470

180 minute winter 1 96 89.341 0.042 5.9 0.0808 0.0000OK 1.000 2 5.9 1.498 0.162 0.0755

180 minute winter 2 96 88.487 0.061 8.7 0.1103 0.0000OK 1.001 3 8.7 0.883 0.150 0.1164

180 minute winter 3 96 88.352 0.073 12.3 0.1434 0.0000OK 1.002 4 12.3 1.009 0.212 0.1673

180 minute winter 4 96 88.191 0.083 21.9 0.2465 0.0000OK 1.003 5 21.9 1.631 0.283 0.5639

180 minute winter 5 96 87.267 0.084 29.2 0.2559 0.0000OK 1.004 6 29.2 2.221 0.275 0.2609

180 minute winter 6 96 86.362 0.073 31.6 0.1580 0.0000OK 1.005 7 31.6 2.181 0.122 0.1726

180 minute winter 7 96 85.732 0.082 41.8 0.3224 0.0000OK 1.006 Inlet 01 41.8 2.765 0.151 0.1346

180 minute winter Inlet 01 176 85.219 0.444 41.8 0.0000 0.0000OK Flow through pond Outfall 01 24.3 0.021 0.007 124.0819

180 minute winter Outfall 01 176 85.219 0.469 45.3 0.0000 0.0000SURCHARGED 2.000 10 29.1 0.585 0.119 0.3686

180 minute winter 10 176 85.218 0.718 29.1 1.8282 0.0000SURCHARGED Hydro-Brake® 11 6.5

180 minute winter 11 96 83.120 0.097 79.5 0.3573 0.0000OK 2.002 12 79.5 3.029 0.097 0.5611

180 minute winter 12 96 81.756 0.104 84.0 0.3243 0.0000OK 2.003 13 84.0 3.104 0.108 0.6761

180 minute winter 13 96 80.319 0.101 91.7 0.3602 0.0000OK 2.004 14 91.7 1.407 0.114 1.9138

180 minute winter 14 108 79.474 0.524 109.5 2.5579 0.0000SURCHARGED 2.005 Inlet 02 109.0 1.204 0.309 0.9957

180 minute winter Inlet 02 108 79.464 0.675 109.0 0.0000 0.0000OK Flow through pond Outfall 03 102.9 0.062 0.120 242.4034

180 minute winter 9 96 80.239 0.039 5.7 0.0688 0.0000OK 6.000 Inlet 04 5.7 1.998 0.324 0.0138

180 minute winter Inlet 04 96 79.484 0.185 10.2 0.2389 0.0000OK Flow through pond Outfall 02 10.1 0.051 0.039 6.1375

180 minute winter Outfall 02 120 79.335 0.135 10.1 0.0000 0.0000OK 7.000 Inlet 03 9.7 0.814 0.797 0.1800

180 minute winter Inlet 03 124 79.321 0.532 9.7 0.0000 0.0000OK Flow through pond Outfall 03 102.9 0.062 0.120 242.4034

180 minute winter Outfall 03 128 79.286 0.586 160.4 0.0000 0.0000SURCHARGED 5.000 40 112.4 0.994 0.260 0.8852

180 minute winter 40 128 79.282 0.682 112.4 2.3616 0.0000SURCHARGED Hydro-Brake® Outfall 04 38.7

Hydro-Brake® Outfall 04 27.2

Page 88: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 30 year 180 minute winter

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

180 minute winter Outfall 04 128 78.188 0.088 63.9 0.0000 0.0000OK 5.002 J1 64.0 0.201 0.019 1.2275

180 minute winter J1 128 78.194 0.417 64.0 0.0000 0.0000OK Weir J2 63.9

Orifice J2 0.1

180 minute winter J2 128 77.978 0.434 64.0 0.0000 0.0000OK Weir Outfall 05 63.9 592.1

Orifice Outfall 05 0.1 1.9

180 minute winter Outfall 05 4 77.280 0.000 63.9 0.0000 0.0000OK

Page 89: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 30 year 240 minute summer

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 30 year 240 minute summer. 480 minute analysis at 4 minute timestep. Mass balance: 99.85%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

240 minute summer 16 124 91.478 0.058 9.0 0.1353 0.0000OK 3.000 17 9.0 1.344 0.129 0.2327

240 minute summer 17 124 90.851 0.044 11.0 0.0759 0.0000OK 3.001 18 10.9 1.329 0.083 0.1675

240 minute summer 18 124 89.599 0.074 15.3 0.1487 0.0000OK 3.002 19 15.3 1.250 0.219 0.1858

240 minute summer 19 124 89.335 0.082 27.4 0.2656 0.0000OK 3.003 20 27.3 1.873 0.155 0.6466

240 minute summer 20 124 88.221 0.074 27.3 0.1063 0.0000OK 3.004 21 27.2 1.609 0.136 0.5266

240 minute summer 21 124 87.253 0.100 27.2 0.1424 0.0000OK 3.005 22 27.1 1.432 0.221 0.6378

240 minute summer 22 124 86.834 0.089 40.7 0.2894 0.0000OK 3.006 26 40.5 2.150 0.191 0.7353

240 minute summer 26 124 85.431 0.099 49.4 0.2297 0.0000OK 3.007 27 49.2 2.310 0.198 0.1849

240 minute summer 27 124 85.006 0.106 50.3 0.2800 0.0000OK 3.008 32 50.2 2.206 0.254 0.6168

240 minute summer 28 124 87.772 0.064 6.1 0.1162 0.0000OK 4.000 29 6.1 0.870 0.162 0.1011

240 minute summer 29 124 87.674 0.041 8.8 0.0533 0.0000OK 4.001 30 8.7 1.602 0.072 0.1136

240 minute summer 30 124 86.550 0.047 12.9 0.0638 0.0000OK 4.002 31 12.9 2.164 0.093 0.1157

240 minute summer 31 124 85.170 0.046 12.9 0.0401 0.0000OK 4.003 32 12.9 2.262 0.086 0.0635

240 minute summer 32 124 84.160 0.185 70.5 0.5560 0.0000OK 3.009 33 70.1 1.374 0.430 1.0300

240 minute summer 33 124 83.940 0.175 70.1 0.4447 0.0000OK 3.010 8 69.9 1.334 0.270 0.6515

240 minute summer 8 124 83.839 0.154 69.9 0.3926 0.0000OK 3.011 11 69.5 1.888 0.224 2.6844

240 minute summer 1 124 89.343 0.044 6.5 0.0848 0.0000OK 1.000 2 6.5 1.537 0.178 0.0807

240 minute summer 2 124 88.490 0.064 9.6 0.1162 0.0000OK 1.001 3 9.5 0.901 0.164 0.1252

240 minute summer 3 124 88.356 0.077 13.5 0.1512 0.0000OK 1.002 4 13.5 1.032 0.232 0.1794

240 minute summer 4 124 88.195 0.087 24.1 0.2592 0.0000OK 1.003 5 24.0 1.667 0.310 0.6036

240 minute summer 5 124 87.272 0.089 32.1 0.2692 0.0000OK 1.004 6 31.9 2.271 0.301 0.2788

240 minute summer 6 124 86.366 0.077 34.5 0.1656 0.0000OK 1.005 7 34.5 2.224 0.133 0.1844

240 minute summer 7 124 85.736 0.086 45.8 0.3382 0.0000OK 1.006 Inlet 01 45.7 2.830 0.164 0.1436

240 minute summer Inlet 01 204 85.157 0.381 45.7 0.0000 0.0000OK Flow through pond Outfall 01 27.8 0.021 0.008 104.5774

240 minute summer Outfall 01 204 85.156 0.406 47.1 0.0000 0.0000SURCHARGED 2.000 10 40.6 0.779 0.166 0.3686

240 minute summer 10 204 85.156 0.656 40.6 1.6699 0.0000SURCHARGED Hydro-Brake® 11 6.5

240 minute summer 11 124 83.124 0.100 85.4 0.3704 0.0000OK 2.002 12 85.1 3.077 0.103 0.5907

240 minute summer 12 124 81.759 0.107 90.1 0.3364 0.0000OK 2.003 13 89.9 3.158 0.116 0.7114

240 minute summer 13 124 80.323 0.105 98.5 0.3731 0.0000OK 2.004 14 98.3 1.372 0.122 1.9279

240 minute summer 14 128 79.475 0.525 118.1 2.5605 0.0000SURCHARGED 2.005 Inlet 02 116.8 1.118 0.331 0.9957

240 minute summer Inlet 02 128 79.459 0.671 116.8 0.0000 0.0000OK Flow through pond Outfall 03 110.8 0.064 0.129 223.8120

240 minute summer 9 124 80.241 0.041 6.3 0.0726 0.0000OK 6.000 Inlet 04 6.3 2.051 0.357 0.0149

240 minute summer Inlet 04 128 79.490 0.191 11.3 0.2462 0.0000OK Flow through pond Outfall 02 10.8 0.052 0.042 6.3504

240 minute summer Outfall 02 132 79.307 0.107 10.8 0.0000 0.0000OK 7.000 Inlet 03 10.2 0.817 0.837 0.1520

240 minute summer Inlet 03 144 79.282 0.493 10.2 0.0000 0.0000OK Flow through pond Outfall 03 110.8 0.064 0.129 223.8120

240 minute summer Outfall 03 156 79.248 0.548 117.7 0.0000 0.0000SURCHARGED 5.000 40 132.7 1.074 0.306 0.8852

240 minute summer 40 156 79.245 0.645 132.7 2.2350 0.0000SURCHARGED Hydro-Brake® Outfall 04 38.7

Hydro-Brake® Outfall 04 18.5

240 minute summer Outfall 04 156 78.184 0.084 55.7 0.0000 0.0000OK 5.002 J1 55.7 0.180 0.016 1.1988

Page 90: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 30 year 240 minute summer

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

240 minute summer J1 156 78.189 0.412 55.7 0.0000 0.0000OK Weir J2 55.6

Orifice J2 0.1

240 minute summer J2 156 77.973 0.429 55.7 0.0000 0.0000OK Weir Outfall 05 55.6 609.1

Orifice Outfall 05 0.1 2.2

240 minute summer Outfall 05 4 77.280 0.000 55.6 0.0000 0.0000OK

Page 91: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 30 year 240 minute winter

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 30 year 240 minute winter. 480 minute analysis at 4 minute timestep. Mass balance: 99.83%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

240 minute winter 16 124 91.470 0.050 6.7 0.1165 0.0000OK 3.000 17 6.7 1.236 0.097 0.1890

240 minute winter 17 124 90.845 0.038 8.2 0.0659 0.0000OK 3.001 18 8.2 1.234 0.062 0.1353

240 minute winter 18 124 89.588 0.063 11.5 0.1271 0.0000OK 3.002 19 11.5 1.160 0.165 0.1506

240 minute winter 19 124 89.324 0.071 20.6 0.2291 0.0000OK 3.003 20 20.5 1.728 0.117 0.5267

240 minute winter 20 124 88.211 0.064 20.5 0.0923 0.0000OK 3.004 21 20.5 1.489 0.103 0.4292

240 minute winter 21 124 87.239 0.086 20.5 0.1227 0.0000OK 3.005 22 20.5 1.330 0.167 0.5197

240 minute winter 22 124 86.822 0.077 30.6 0.2505 0.0000OK 3.006 26 30.5 2.014 0.144 0.5921

240 minute winter 26 124 85.416 0.084 37.1 0.1948 0.0000OK 3.007 27 37.1 2.153 0.149 0.1496

240 minute winter 27 124 84.992 0.092 37.9 0.2429 0.0000OK 3.008 32 37.9 2.126 0.192 0.4820

240 minute winter 28 124 87.764 0.056 4.6 0.1011 0.0000OK 4.000 29 4.6 0.803 0.123 0.0830

240 minute winter 29 124 87.668 0.035 6.6 0.0465 0.0000OK 4.001 30 6.6 1.474 0.054 0.0930

240 minute winter 30 124 86.544 0.041 9.8 0.0555 0.0000OK 4.002 31 9.8 2.005 0.070 0.0945

240 minute winter 31 124 85.164 0.040 9.8 0.0349 0.0000OK 4.003 32 9.8 2.094 0.065 0.0520

240 minute winter 32 124 84.132 0.157 53.2 0.4716 0.0000OK 3.009 33 53.1 1.283 0.326 0.8354

240 minute winter 33 124 83.915 0.150 53.1 0.3811 0.0000OK 3.010 8 53.1 1.243 0.205 0.5308

240 minute winter 8 124 83.819 0.134 53.1 0.3400 0.0000OK 3.011 11 53.0 1.750 0.171 2.2101

240 minute winter 1 124 89.337 0.038 4.8 0.0726 0.0000OK 1.000 2 4.8 1.414 0.132 0.0650

240 minute winter 2 128 88.480 0.054 7.1 0.0989 0.0000OK 1.001 3 7.1 0.844 0.122 0.0998

240 minute winter 3 124 88.344 0.065 10.1 0.1285 0.0000OK 1.002 4 10.1 0.961 0.174 0.1443

240 minute winter 4 124 88.183 0.075 18.0 0.2218 0.0000OK 1.003 5 18.0 1.550 0.232 0.4869

240 minute winter 5 124 87.259 0.076 24.0 0.2294 0.0000OK 1.004 6 24.0 2.109 0.226 0.2255

240 minute winter 6 124 86.355 0.066 25.9 0.1419 0.0000OK 1.005 7 25.9 2.074 0.100 0.1484

240 minute winter 7 124 85.724 0.074 34.3 0.2901 0.0000OK 1.006 Inlet 01 34.2 2.620 0.123 0.1237

240 minute winter Inlet 01 228 85.213 0.438 34.2 0.0000 0.0000OK Flow through pond Outfall 01 20.9 0.020 0.006 122.1801

240 minute winter Outfall 01 228 85.213 0.463 37.8 0.0000 0.0000SURCHARGED 2.000 10 44.0 0.830 0.180 0.3686

240 minute winter 10 228 85.212 0.712 44.0 1.8130 0.0000SURCHARGED Hydro-Brake® 11 6.5

240 minute winter 11 124 83.111 0.088 66.3 0.3252 0.0000OK 2.002 12 66.3 2.893 0.081 0.4896

240 minute winter 12 124 81.746 0.094 70.0 0.2945 0.0000OK 2.003 13 70.0 2.954 0.090 0.5916

240 minute winter 13 124 80.310 0.092 76.4 0.3288 0.0000OK 2.004 14 76.3 1.383 0.095 1.8748

240 minute winter 14 144 79.423 0.473 91.0 2.3079 0.0000SURCHARGED 2.005 Inlet 02 90.4 1.157 0.256 0.9957

240 minute winter Inlet 02 144 79.416 0.628 90.4 0.0000 0.0000OK Flow through pond Outfall 03 84.9 0.057 0.099 231.1299

240 minute winter 9 124 80.235 0.035 4.7 0.0620 0.0000OK 6.000 Inlet 04 4.7 1.895 0.267 0.0120

240 minute winter Inlet 04 128 79.468 0.169 8.4 0.2186 0.0000OK Flow through pond Outfall 02 8.2 0.047 0.032 5.3209

240 minute winter Outfall 02 156 79.300 0.100 8.2 0.0000 0.0000OK 7.000 Inlet 03 8.2 0.786 0.670 0.1567

240 minute winter Inlet 03 156 79.293 0.505 8.2 0.0000 0.0000OK Flow through pond Outfall 03 84.9 0.057 0.099 231.1299

240 minute winter Outfall 03 164 79.263 0.563 107.4 0.0000 0.0000SURCHARGED 5.000 40 124.8 0.979 0.288 0.8852

240 minute winter 40 164 79.260 0.660 124.8 2.2846 0.0000SURCHARGED Hydro-Brake® Outfall 04 38.7

Hydro-Brake® Outfall 04 21.8

Page 92: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 30 year 240 minute winter

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

240 minute winter Outfall 04 164 78.186 0.086 58.8 0.0000 0.0000OK 5.002 J1 58.8 0.188 0.017 1.2098

240 minute winter J1 164 78.191 0.414 58.8 0.0000 0.0000OK Weir J2 58.8

Orifice J2 0.1

240 minute winter J2 164 77.975 0.431 58.8 0.0000 0.0000OK Weir Outfall 05 58.7 658.1

Orifice Outfall 05 0.1 2.2

240 minute winter Outfall 05 4 77.280 0.000 58.7 0.0000 0.0000OK

Page 93: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 30 year 360 minute summer

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 30 year 360 minute summer. 600 minute analysis at 8 minute timestep. Mass balance: 99.92%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

360 minute summer 16 184 91.471 0.051 7.0 0.1190 0.0000OK 3.000 17 7.0 1.253 0.101 0.1940

360 minute summer 17 184 90.845 0.038 8.5 0.0669 0.0000OK 3.001 18 8.4 1.244 0.064 0.1380

360 minute summer 18 184 89.589 0.064 11.8 0.1289 0.0000OK 3.002 19 11.8 1.167 0.169 0.1535

360 minute summer 19 184 89.325 0.072 21.2 0.2322 0.0000OK 3.003 20 21.0 1.741 0.120 0.5356

360 minute summer 20 184 88.212 0.065 21.0 0.0933 0.0000OK 3.004 21 20.9 1.500 0.105 0.4349

360 minute summer 21 184 87.240 0.087 20.9 0.1238 0.0000OK 3.005 22 20.8 1.334 0.170 0.5266

360 minute summer 22 184 86.823 0.078 31.3 0.2531 0.0000OK 3.006 26 31.2 2.021 0.147 0.6018

360 minute summer 26 184 85.417 0.085 38.1 0.1973 0.0000OK 3.007 27 37.9 2.165 0.152 0.1520

360 minute summer 27 184 84.993 0.093 38.7 0.2453 0.0000OK 3.008 32 38.6 2.136 0.195 0.4886

360 minute summer 28 184 87.764 0.056 4.7 0.1020 0.0000OK 4.000 29 4.7 0.805 0.125 0.0842

360 minute summer 29 184 87.669 0.036 6.8 0.0470 0.0000OK 4.001 30 6.8 1.485 0.055 0.0947

360 minute summer 30 184 86.545 0.042 10.1 0.0562 0.0000OK 4.002 31 10.0 2.019 0.072 0.0962

360 minute summer 31 184 85.165 0.041 10.0 0.0353 0.0000OK 4.003 32 10.0 2.107 0.066 0.0529

360 minute summer 32 184 84.133 0.158 54.3 0.4767 0.0000OK 3.009 33 54.0 1.288 0.331 0.8464

360 minute summer 33 184 83.916 0.151 54.0 0.3844 0.0000OK 3.010 8 53.9 1.249 0.208 0.5361

360 minute summer 8 184 83.819 0.134 53.9 0.3418 0.0000OK 3.011 11 53.4 1.750 0.173 2.2270

360 minute summer 1 184 89.337 0.038 5.0 0.0740 0.0000OK 1.000 2 5.0 1.428 0.136 0.0668

360 minute summer 2 184 88.481 0.055 7.4 0.1007 0.0000OK 1.001 3 7.3 0.848 0.127 0.1024

360 minute summer 3 184 88.345 0.066 10.4 0.1307 0.0000OK 1.002 4 10.4 0.967 0.179 0.1475

360 minute summer 4 184 88.184 0.076 18.6 0.2252 0.0000OK 1.003 5 18.5 1.561 0.239 0.4974

360 minute summer 5 184 87.260 0.077 24.8 0.2330 0.0000OK 1.004 6 24.6 2.124 0.232 0.2302

360 minute summer 6 184 86.356 0.067 26.6 0.1441 0.0000OK 1.005 7 26.6 2.089 0.103 0.1516

360 minute summer 7 184 85.725 0.075 35.3 0.2944 0.0000OK 1.006 Inlet 01 35.2 2.639 0.127 0.1188

360 minute summer Inlet 01 264 85.145 0.370 35.2 0.0000 0.0000OK Flow through pond Outfall 01 20.0 0.020 0.005 100.9721

360 minute summer Outfall 01 264 85.145 0.395 44.4 0.0000 0.0000SURCHARGED 2.000 10 -27.8 -0.516 -0.114 0.3686

360 minute summer 10 264 85.144 0.644 12.6 1.6398 0.0000SURCHARGED Hydro-Brake® 11 6.5

360 minute summer 11 184 83.112 0.089 67.3 0.3270 0.0000OK 2.002 12 66.9 2.899 0.081 0.4933

360 minute summer 12 184 81.747 0.095 70.7 0.2960 0.0000OK 2.003 13 70.6 2.961 0.091 0.5957

360 minute summer 13 184 80.311 0.093 77.2 0.3304 0.0000OK 2.004 14 77.0 1.364 0.096 1.8191

360 minute summer 14 192 79.368 0.418 92.2 2.0409 0.0000OK 2.005 Inlet 02 91.1 1.039 0.258 0.9803

360 minute summer Inlet 02 192 79.361 0.572 91.1 0.0000 0.0000OK Flow through pond Outfall 03 84.7 0.057 0.098 207.8852

360 minute summer 9 184 80.236 0.036 4.9 0.0633 0.0000OK 6.000 Inlet 04 4.9 1.916 0.277 0.0124

360 minute summer Inlet 04 184 79.466 0.167 8.7 0.2161 0.0000OK Flow through pond Outfall 02 8.0 0.047 0.031 5.2443

360 minute summer Outfall 02 192 79.288 0.088 8.0 0.0000 0.0000OK 7.000 Inlet 03 8.1 0.786 0.665 0.1083

360 minute summer Inlet 03 216 79.243 0.454 8.1 0.0000 0.0000OK Flow through pond Outfall 03 84.7 0.057 0.098 207.8852

360 minute summer Outfall 03 224 79.216 0.516 84.7 0.0000 0.0000SURCHARGED 5.000 40 70.9 0.769 0.164 0.8852

360 minute summer 40 224 79.214 0.614 70.9 2.1258 0.0000SURCHARGED Hydro-Brake® Outfall 04 38.7

Hydro-Brake® Outfall 04 11.9

360 minute summer Outfall 04 224 78.181 0.081 49.5 0.0000 0.0000OK 5.002 J1 49.5 0.164 0.015 1.1765

Page 94: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 30 year 360 minute summer

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

360 minute summer J1 224 78.185 0.408 49.5 0.0000 0.0000OK Weir J2 49.4

Orifice J2 0.1

360 minute summer J2 224 77.969 0.425 49.5 0.0000 0.0000OK Weir Outfall 05 49.4 693.7

Orifice Outfall 05 0.1 2.7

360 minute summer Outfall 05 8 77.280 0.000 49.4 0.0000 0.0000OK

Page 95: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 30 year 360 minute winter

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 30 year 360 minute winter. 600 minute analysis at 8 minute timestep. Mass balance: 99.83%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

360 minute winter 16 184 91.463 0.043 5.1 0.1017 0.0000OK 3.000 17 5.1 1.144 0.074 0.1554

360 minute winter 17 184 90.840 0.033 6.2 0.0575 0.0000OK 3.001 18 6.2 1.145 0.047 0.1102

360 minute winter 18 184 89.579 0.054 8.7 0.1095 0.0000OK 3.002 19 8.7 1.077 0.125 0.1226

360 minute winter 19 184 89.314 0.061 15.5 0.1983 0.0000OK 3.003 20 15.5 1.594 0.088 0.4299

360 minute winter 20 184 88.203 0.056 15.5 0.0803 0.0000OK 3.004 21 15.4 1.375 0.077 0.3499

360 minute winter 21 184 87.227 0.074 15.4 0.1059 0.0000OK 3.005 22 15.4 1.229 0.126 0.4238

360 minute winter 22 184 86.812 0.067 23.1 0.2175 0.0000OK 3.006 26 23.1 1.878 0.109 0.4798

360 minute winter 26 184 85.404 0.072 28.1 0.1668 0.0000OK 3.007 27 28.1 2.016 0.113 0.1209

360 minute winter 27 184 84.979 0.079 28.7 0.2092 0.0000OK 3.008 32 28.6 1.971 0.145 0.3931

360 minute winter 28 184 87.756 0.048 3.4 0.0871 0.0000OK 4.000 29 3.4 0.734 0.091 0.0673

360 minute winter 29 184 87.664 0.031 4.9 0.0403 0.0000OK 4.001 30 4.9 1.357 0.040 0.0755

360 minute winter 30 184 86.539 0.036 7.3 0.0480 0.0000OK 4.002 31 7.3 1.850 0.052 0.0764

360 minute winter 31 184 85.159 0.035 7.3 0.0301 0.0000OK 4.003 32 7.3 1.929 0.048 0.0421

360 minute winter 32 184 84.109 0.134 40.1 0.4023 0.0000OK 3.009 33 40.1 1.194 0.246 0.6780

360 minute winter 33 184 83.893 0.128 40.1 0.3269 0.0000OK 3.010 8 40.1 1.157 0.155 0.4307

360 minute winter 8 184 83.800 0.115 40.1 0.2939 0.0000OK 3.011 11 40.0 1.608 0.129 1.8148

360 minute winter 1 184 89.331 0.032 3.6 0.0627 0.0000OK 1.000 2 3.6 1.304 0.099 0.0529

360 minute winter 2 184 88.473 0.047 5.3 0.0846 0.0000OK 1.001 3 5.3 0.785 0.091 0.0799

360 minute winter 3 192 88.335 0.056 7.5 0.1095 0.0000OK 1.002 4 7.5 0.891 0.129 0.1161

360 minute winter 4 184 88.172 0.064 13.5 0.1907 0.0000OK 1.003 5 13.5 1.437 0.174 0.3944

360 minute winter 5 184 87.248 0.065 18.1 0.1969 0.0000OK 1.004 6 18.1 1.957 0.170 0.1833

360 minute winter 6 184 86.346 0.057 19.6 0.1227 0.0000OK 1.005 7 19.6 1.934 0.076 0.1205

360 minute winter 7 184 85.714 0.064 25.9 0.2504 0.0000OK 1.006 Inlet 01 25.9 2.426 0.093 0.1034

360 minute winter Inlet 01 288 85.197 0.421 25.9 0.0000 0.0000OK Flow through pond Outfall 01 16.9 0.019 0.005 117.0637

360 minute winter Outfall 01 288 85.196 0.446 28.5 0.0000 0.0000SURCHARGED 2.000 10 43.7 0.801 0.179 0.3686

360 minute winter 10 288 85.196 0.696 43.7 1.7718 0.0000SURCHARGED Hydro-Brake® 11 6.5

360 minute winter 11 184 83.101 0.078 51.6 0.2861 0.0000OK 2.002 12 51.6 2.710 0.063 0.4067

360 minute winter 12 184 81.735 0.083 54.4 0.2586 0.0000OK 2.003 13 54.3 2.756 0.070 0.4926

360 minute winter 13 184 80.300 0.082 59.1 0.2903 0.0000OK 2.004 14 59.1 1.369 0.074 1.7023

360 minute winter 14 216 79.346 0.396 70.2 1.9337 0.0000OK 2.005 Inlet 02 69.7 1.078 0.197 0.9622

360 minute winter Inlet 02 216 79.344 0.555 69.7 0.0000 0.0000OK Flow through pond Outfall 03 67.1 0.052 0.078 209.2998

360 minute winter 9 184 80.230 0.030 3.5 0.0532 0.0000OK 6.000 Inlet 04 3.5 1.745 0.199 0.0097

360 minute winter Inlet 04 192 79.447 0.148 6.3 0.1909 0.0000OK Flow through pond Outfall 02 6.2 0.043 0.024 4.4509

360 minute winter Outfall 02 192 79.275 0.075 6.2 0.0000 0.0000OK 7.000 Inlet 03 6.2 0.725 0.512 0.0992

360 minute winter Inlet 03 224 79.243 0.454 6.2 0.0000 0.0000OK Flow through pond Outfall 03 67.1 0.052 0.078 209.2998

360 minute winter Outfall 03 232 79.219 0.519 110.0 0.0000 0.0000SURCHARGED 5.000 40 86.5 1.038 0.200 0.8852

360 minute winter 40 232 79.216 0.616 86.5 2.1353 0.0000SURCHARGED Hydro-Brake® Outfall 04 38.7

Hydro-Brake® Outfall 04 12.4

Page 96: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 30 year 360 minute winter

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

360 minute winter Outfall 04 232 78.181 0.081 49.9 0.0000 0.0000OK 5.002 J1 49.9 0.165 0.015 1.1782

360 minute winter J1 232 78.186 0.409 49.9 0.0000 0.0000OK Weir J2 49.9

Orifice J2 0.1

360 minute winter J2 232 77.970 0.426 49.9 0.0000 0.0000OK Weir Outfall 05 49.9 760.9

Orifice Outfall 05 0.1 2.7

360 minute winter Outfall 05 8 77.280 0.000 49.9 0.0000 0.0000OK

Page 97: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +30% 30 minute summer

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 100 year +30% 30 minute summer. 270 minute analysis at 1 minute timestep. Mass balance: 99.76%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

30 minute summer 16 18 91.563 0.143 44.7 0.3359 0.0000OK 3.000 17 44.7 2.042 0.646 0.7592

30 minute summer 17 18 90.907 0.100 54.5 0.1743 0.0000OK 3.001 18 54.5 1.732 0.413 0.5706

30 minute summer 18 18 89.878 0.353 76.4 0.7112 0.0000SURCHARGED 3.002 19 75.0 1.886 1.077 0.5968

30 minute summer 19 18 89.463 0.210 135.3 0.6800 0.0000OK 3.003 20 135.5 2.720 0.769 2.4902

30 minute summer 20 20 88.479 0.332 135.5 0.4751 0.0000SURCHARGED 3.004 21 125.1 2.238 0.627 2.1836

30 minute summer 21 20 88.071 0.918 125.1 1.3136 0.0000SURCHARGED 3.005 22 121.9 1.884 0.997 2.3762

30 minute summer 22 20 87.625 0.880 187.2 2.8712 0.0000SURCHARGED 3.006 26 170.2 2.627 0.802 2.7475

30 minute summer 26 20 86.570 1.238 214.4 2.8690 0.0000SURCHARGED 3.007 27 200.7 2.851 0.806 0.6109

30 minute summer 27 20 86.068 1.168 204.9 3.0778 0.0000SURCHARGED 3.008 32 206.6 2.934 1.045 1.9047

30 minute summer 28 18 87.861 0.153 30.4 0.2789 0.0000OK 4.000 29 30.4 1.356 0.811 0.3198

30 minute summer 29 18 87.728 0.095 43.8 0.1242 0.0000OK 4.001 30 43.8 2.479 0.359 0.3672

30 minute summer 30 17 86.615 0.112 64.7 0.1513 0.0000OK 4.002 31 65.0 3.219 0.466 0.4244

30 minute summer 31 19 85.257 0.133 65.0 0.1155 0.0000OK 4.003 32 64.1 2.713 0.426 0.3580

30 minute summer 32 19 84.901 0.926 294.4 2.7877 0.0000SURCHARGED 3.009 33 293.6 2.662 1.800 2.2266

30 minute summer 33 19 84.275 0.510 293.6 1.2975 0.0000SURCHARGED 3.010 8 293.2 1.865 1.132 1.8711

30 minute summer 8 20 84.065 0.380 293.2 0.9670 0.0000OK 3.011 11 292.6 2.640 0.945 7.9255

30 minute summer 1 20 89.957 0.658 32.2 1.2718 0.0000SURCHARGED 1.000 2 28.3 2.084 0.777 0.3373

30 minute summer 2 20 89.543 1.117 42.8 2.0315 0.0000SURCHARGED 1.001 3 36.2 1.102 0.624 0.4692

30 minute summer 3 20 89.467 1.188 52.7 2.3361 0.0000SURCHARGED 1.002 4 52.6 1.322 0.905 0.5456

30 minute summer 4 20 89.298 1.190 95.1 3.5387 0.0000SURCHARGED 1.003 5 88.8 2.232 1.147 1.6701

30 minute summer 5 19 87.894 0.711 123.3 2.1556 0.0000SURCHARGED 1.004 6 121.0 3.042 1.140 0.7890

30 minute summer 6 19 86.461 0.172 132.8 0.3714 0.0000OK 1.005 7 132.7 2.985 0.513 0.5475

30 minute summer 7 18 85.852 0.202 185.6 0.7913 0.0000OK 1.006 Inlet 01 185.0 3.942 0.666 0.4174

30 minute summer Inlet 01 35 85.243 0.468 185.0 0.0000 0.0000OK Flow through pond Outfall 01 141.5 0.064 0.038 132.1081

30 minute summer Outfall 01 35 85.243 0.493 141.6 0.0000 0.0000SURCHARGED 2.000 10 -32.6 0.827 -0.133 0.3686

30 minute summer 10 35 85.243 0.743 15.3 1.8913 0.0000SURCHARGED Hydro-Brake® 11 6.5

30 minute summer 11 19 83.243 0.220 340.5 0.8109 0.0000OK 2.002 12 341.1 4.245 0.415 1.8023

30 minute summer 12 20 81.907 0.255 363.5 0.7981 0.0000OK 2.003 13 359.7 3.721 0.463 3.1356

30 minute summer 13 20 81.124 0.906 398.3 3.2220 0.0000SURCHARGED 2.004 14 389.1 2.456 0.484 3.2769

30 minute summer 14 20 80.667 1.717 475.8 8.3824 0.0000FLOOD RISK 2.005 Inlet 02 467.8 2.953 1.324 0.9957

30 minute summer Inlet 02 20 80.431 1.642 467.8 0.0000 0.0000OK Flow through pond Outfall 03 355.4 0.128 0.413 303.2701

30 minute summer 9 19 80.999 0.799 31.3 1.3985 0.0000FLOOD RISK 6.000 Inlet 04 28.3 3.618 1.607 0.0379

30 minute summer Inlet 04 20 79.657 0.358 52.0 0.4629 0.0000OK Flow through pond Outfall 02 47.5 0.084 0.184 23.7964

30 minute summer Outfall 02 25 79.626 0.426 47.5 0.0000 0.0000FLOOD RISK 7.000 Inlet 03 15.3 0.871 1.258 0.1847

30 minute summer Inlet 03 24 79.585 0.796 15.3 0.0000 0.0000OK Flow through pond Outfall 03 355.4 0.128 0.413 303.2701

30 minute summer Outfall 03 33 79.405 0.705 383.9 0.0000 0.0000SURCHARGED 5.000 40 86.7 0.907 0.200 0.8852

30 minute summer 40 33 79.397 0.797 86.7 2.7621 0.0000SURCHARGED Hydro-Brake® Outfall 04 38.7

Hydro-Brake® Outfall 04 52.5

30 minute summer Outfall 04 29 78.201 0.101 86.5 0.0000 0.0000OK 5.002 J1 89.5 0.264 0.026 1.3064

Page 98: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +30% 30 minute summer

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

30 minute summer J1 33 78.209 0.432 89.5 0.0000 0.0000OK Weir J2 90.3

Orifice J2 0.1

30 minute summer J2 33 77.994 0.450 90.4 0.0000 0.0000OK Weir Outfall 05 93.8 448.4

Orifice Outfall 05 0.1 1.3

30 minute summer Outfall 05 1 77.280 0.000 93.8 0.0000 0.0000OK

Page 99: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +30% 30 minute winter

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 100 year +30% 30 minute winter. 270 minute analysis at 1 minute timestep. Mass balance: 99.66%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

30 minute winter 16 18 91.554 0.134 40.4 0.3139 0.0000OK 3.000 17 40.4 1.998 0.584 0.7025

30 minute winter 17 18 90.902 0.095 49.3 0.1648 0.0000OK 3.001 18 49.3 1.722 0.373 0.5584

30 minute winter 18 18 89.781 0.256 69.1 0.5158 0.0000SURCHARGED 3.002 19 67.6 1.839 0.971 0.5818

30 minute winter 19 18 89.449 0.196 122.1 0.6322 0.0000OK 3.003 20 121.1 2.718 0.687 2.0771

30 minute winter 20 20 88.342 0.195 121.1 0.2791 0.0000OK 3.004 21 120.8 2.222 0.605 1.8436

30 minute winter 21 20 87.844 0.691 120.8 0.9894 0.0000SURCHARGED 3.005 22 115.2 1.939 0.942 2.3762

30 minute winter 22 20 87.420 0.675 176.2 2.2035 0.0000SURCHARGED 3.006 26 164.7 2.680 0.776 2.7475

30 minute winter 26 20 86.416 1.084 204.7 2.5109 0.0000SURCHARGED 3.007 27 195.7 2.826 0.786 0.6109

30 minute winter 27 20 85.938 1.038 199.8 2.7336 0.0000SURCHARGED 3.008 32 201.1 2.856 1.017 1.9047

30 minute winter 28 18 87.852 0.144 27.5 0.2620 0.0000OK 4.000 29 27.5 1.325 0.734 0.2968

30 minute winter 29 18 87.722 0.089 39.6 0.1169 0.0000OK 4.001 30 39.6 2.405 0.325 0.3424

30 minute winter 30 17 86.610 0.107 58.6 0.1435 0.0000OK 4.002 31 58.7 3.184 0.421 0.3780

30 minute winter 31 19 85.241 0.117 58.7 0.1011 0.0000OK 4.003 32 58.3 2.704 0.387 0.3374

30 minute winter 32 19 84.828 0.853 283.0 2.5678 0.0000SURCHARGED 3.009 33 282.2 2.559 1.730 2.2266

30 minute winter 33 19 84.251 0.486 282.2 1.2356 0.0000SURCHARGED 3.010 8 281.9 1.817 1.088 1.8440

30 minute winter 8 20 84.052 0.367 281.9 0.9340 0.0000OK 3.011 11 282.1 2.621 0.912 7.6846

30 minute winter 1 20 89.796 0.497 29.1 0.9612 0.0000SURCHARGED 1.000 2 27.5 2.122 0.754 0.3373

30 minute winter 2 20 89.399 0.973 41.0 1.7693 0.0000SURCHARGED 1.001 3 35.1 1.110 0.605 0.4692

30 minute winter 3 20 89.328 1.049 49.9 2.0630 0.0000SURCHARGED 1.002 4 50.5 1.270 0.869 0.5456

30 minute winter 4 20 89.171 1.063 90.5 3.1617 0.0000SURCHARGED 1.003 5 87.1 2.191 1.126 1.6701

30 minute winter 5 20 87.826 0.643 119.2 1.9498 0.0000SURCHARGED 1.004 6 117.9 2.965 1.111 0.7893

30 minute winter 6 19 86.457 0.168 128.4 0.3629 0.0000OK 1.005 7 128.3 2.953 0.496 0.5302

30 minute winter 7 19 85.845 0.195 176.1 0.7621 0.0000OK 1.006 Inlet 01 176.2 3.909 0.635 0.4008

30 minute winter Inlet 01 35 85.294 0.519 176.2 0.0000 0.0000OK Flow through pond Outfall 01 130.5 0.062 0.035 148.9144

30 minute winter Outfall 01 35 85.294 0.544 134.0 0.0000 0.0000SURCHARGED 2.000 10 -33.9 0.885 -0.139 0.3686

30 minute winter 10 35 85.294 0.794 16.3 2.0208 0.0000SURCHARGED Hydro-Brake® 11 6.5

30 minute winter 11 19 83.238 0.215 327.5 0.7940 0.0000OK 2.002 12 328.0 4.267 0.399 1.7323

30 minute winter 12 20 81.897 0.245 349.0 0.7675 0.0000OK 2.003 13 346.4 3.705 0.446 3.0813

30 minute winter 13 20 81.092 0.874 382.7 3.1086 0.0000SURCHARGED 2.004 14 376.1 2.374 0.468 3.2769

30 minute winter 14 20 80.664 1.714 457.0 8.3672 0.0000FLOOD RISK 2.005 Inlet 02 450.3 2.842 1.274 0.9957

30 minute winter Inlet 02 21 80.446 1.657 450.3 0.0000 0.0000OK Flow through pond Outfall 03 376.7 0.127 0.438 339.3783

30 minute winter 9 19 80.866 0.666 28.3 1.1660 0.0000FLOOD RISK 6.000 Inlet 04 26.6 3.395 1.508 0.0378

30 minute winter Inlet 04 26 79.661 0.363 48.2 0.4684 0.0000OK Flow through pond Outfall 02 44.7 0.081 0.173 26.8288

30 minute winter Outfall 02 26 79.657 0.457 44.7 0.0000 0.0000FLOOD RISK 7.000 Inlet 03 14.4 0.878 1.180 0.1847

30 minute winter Inlet 03 25 79.608 0.819 14.4 0.0000 0.0000OK Flow through pond Outfall 03 376.7 0.127 0.438 339.3783

30 minute winter Outfall 03 33 79.476 0.776 392.6 0.0000 0.0000SURCHARGED 5.000 40 89.8 0.906 0.207 0.8852

30 minute winter 40 33 79.467 0.867 89.8 3.0041 0.0000FLOOD RISK Hydro-Brake® Outfall 04 38.7

Hydro-Brake® Outfall 04 53.8

Page 100: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +30% 30 minute winter

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

30 minute winter Outfall 04 29 78.205 0.105 89.2 0.0000 0.0000OK 5.002 J1 107.3 0.312 0.031 1.3213

30 minute winter J1 28 78.210 0.433 107.3 0.0000 0.0000OK Weir J2 90.1

Orifice J2 0.1

30 minute winter J2 38 77.995 0.451 90.1 0.0000 0.0000OK Weir Outfall 05 91.0 493.8

Orifice Outfall 05 0.1 1.3

30 minute winter Outfall 05 1 77.280 0.000 91.0 0.0000 0.0000OK

Page 101: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +30% 60 minute summer

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 100 year +30% 60 minute summer. 300 minute analysis at 1 minute timestep. Mass balance: 99.76%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

60 minute summer 16 33 91.542 0.122 35.1 0.2871 0.0000OK 3.000 17 35.1 1.934 0.507 0.6312

60 minute summer 17 33 90.895 0.088 42.8 0.1525 0.0000OK 3.001 18 42.8 1.717 0.324 0.4923

60 minute summer 18 33 89.709 0.184 60.0 0.3707 0.0000OK 3.002 19 60.0 1.746 0.861 0.5230

60 minute summer 19 33 89.433 0.180 107.4 0.5800 0.0000OK 3.003 20 107.3 2.650 0.609 1.7934

60 minute summer 20 33 88.303 0.156 107.3 0.2233 0.0000OK 3.004 21 107.3 2.202 0.537 1.4943

60 minute summer 21 33 87.389 0.236 107.3 0.3372 0.0000OK 3.005 22 106.7 1.954 0.873 1.9494

60 minute summer 22 34 86.969 0.224 159.8 0.7316 0.0000OK 3.006 26 155.7 2.685 0.733 2.4760

60 minute summer 26 35 86.074 0.742 190.0 1.7195 0.0000SURCHARGED 3.007 27 183.5 2.817 0.737 0.6109

60 minute summer 27 35 85.658 0.758 187.5 1.9969 0.0000SURCHARGED 3.008 32 187.7 2.666 0.950 1.9047

60 minute summer 28 33 87.840 0.132 23.9 0.2409 0.0000OK 4.000 29 23.9 1.282 0.638 0.2674

60 minute summer 29 33 87.715 0.082 34.4 0.1075 0.0000OK 4.001 30 34.4 2.293 0.282 0.3119

60 minute summer 30 32 86.603 0.100 50.9 0.1344 0.0000OK 4.002 31 50.9 3.167 0.365 0.3163

60 minute summer 31 33 85.218 0.094 50.9 0.0814 0.0000OK 4.003 32 50.8 2.697 0.337 0.3089

60 minute summer 32 34 84.679 0.704 261.2 2.1210 0.0000SURCHARGED 3.009 33 260.5 2.362 1.597 2.2029

60 minute summer 33 35 84.195 0.430 260.5 1.0935 0.0000OK 3.010 8 259.7 1.803 1.003 1.7723

60 minute summer 8 35 84.027 0.342 259.7 0.8712 0.0000OK 3.011 11 260.5 2.584 0.842 7.2203

60 minute summer 1 34 89.403 0.104 25.3 0.2015 0.0000OK 1.000 2 25.7 2.118 0.706 0.2938

60 minute summer 2 35 88.994 0.568 37.6 1.0324 0.0000SURCHARGED 1.001 3 34.2 1.107 0.589 0.4692

60 minute summer 3 35 88.931 0.652 48.9 1.2811 0.0000SURCHARGED 1.002 4 47.1 1.265 0.811 0.5456

60 minute summer 4 35 88.790 0.682 86.4 2.0296 0.0000SURCHARGED 1.003 5 80.2 2.134 1.036 1.6701

60 minute summer 5 35 87.639 0.456 108.9 1.3829 0.0000SURCHARGED 1.004 6 107.8 2.844 1.016 0.7892

60 minute summer 6 34 86.447 0.158 117.1 0.3409 0.0000OK 1.005 7 117.0 2.939 0.452 0.4884

60 minute summer 7 33 85.831 0.181 158.9 0.7086 0.0000OK 1.006 Inlet 01 158.8 3.829 0.572 0.3689

60 minute summer Inlet 01 64 85.333 0.558 158.8 0.0000 0.0000OK Flow through pond Outfall 01 88.5 0.036 0.024 162.1082

60 minute summer Outfall 01 64 85.333 0.583 96.5 0.0000 0.0000SURCHARGED 2.000 10 42.3 0.777 0.174 0.3686

60 minute summer 10 64 85.333 0.833 42.3 2.1192 0.0000SURCHARGED Hydro-Brake® 11 6.5

60 minute summer 11 34 83.230 0.207 299.1 0.7622 0.0000OK 2.002 12 298.8 4.276 0.363 1.5243

60 minute summer 12 35 81.861 0.209 317.1 0.6547 0.0000OK 2.003 13 315.5 3.686 0.406 2.8795

60 minute summer 13 35 80.887 0.669 346.8 2.3809 0.0000SURCHARGED 2.004 14 343.2 2.166 0.427 3.2769

60 minute summer 14 35 80.531 1.581 411.4 7.7170 0.0000FLOOD RISK 2.005 Inlet 02 407.6 2.573 1.153 0.9957

60 minute summer Inlet 02 35 80.345 1.557 407.6 0.0000 0.0000OK Flow through pond Outfall 03 341.5 0.115 0.397 352.1593

60 minute summer 9 34 80.645 0.445 24.6 0.7791 0.0000SURCHARGED 6.000 Inlet 04 23.4 2.986 1.326 0.0380

60 minute summer Inlet 04 41 79.644 0.345 42.3 0.4462 0.0000OK Flow through pond Outfall 02 37.9 0.072 0.147 25.0372

60 minute summer Outfall 02 42 79.639 0.439 37.9 0.0000 0.0000FLOOD RISK 7.000 Inlet 03 13.0 0.859 1.067 0.1847

60 minute summer Inlet 03 40 79.585 0.797 13.0 0.0000 0.0000OK Flow through pond Outfall 03 341.5 0.115 0.397 352.1593

60 minute summer Outfall 03 55 79.500 0.800 341.5 0.0000 0.0000SURCHARGED 5.000 40 89.9 1.006 0.208 0.8852

60 minute summer 40 55 79.491 0.891 89.9 3.0869 0.0000FLOOD RISK Hydro-Brake® Outfall 04 38.7

Hydro-Brake® Outfall 04 53.9

60 minute summer Outfall 04 41 78.204 0.104 89.8 0.0000 0.0000OK 5.002 J1 105.4 0.306 0.031 1.3320

Page 102: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +30% 60 minute summer

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

60 minute summer J1 48 78.214 0.437 105.4 0.0000 0.0000OK Weir J2 100.7

Orifice J2 0.1

60 minute summer J2 48 78.000 0.456 100.7 0.0000 0.0000OK Weir Outfall 05 102.9 591.0

Orifice Outfall 05 0.1 1.4

60 minute summer Outfall 05 1 77.280 0.000 102.9 0.0000 0.0000OK

Page 103: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +30% 60 minute winter

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 100 year +30% 60 minute winter. 300 minute analysis at 1 minute timestep. Mass balance: 99.77%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

60 minute winter 16 33 91.528 0.108 28.4 0.2526 0.0000OK 3.000 17 28.4 1.836 0.410 0.5388

60 minute winter 17 33 90.885 0.078 34.7 0.1363 0.0000OK 3.001 18 34.7 1.689 0.263 0.4117

60 minute winter 18 33 89.678 0.153 48.6 0.3083 0.0000OK 3.002 19 48.6 1.667 0.698 0.4437

60 minute winter 19 33 89.410 0.157 87.0 0.5070 0.0000OK 3.003 20 87.0 2.535 0.494 1.5203

60 minute winter 20 33 88.284 0.137 87.0 0.1963 0.0000OK 3.004 21 86.9 2.134 0.435 1.2599

60 minute winter 21 33 87.353 0.200 86.9 0.2862 0.0000OK 3.005 22 86.8 1.905 0.710 1.5391

60 minute winter 22 33 86.916 0.171 129.7 0.5563 0.0000OK 3.006 26 129.5 2.687 0.610 1.8746

60 minute winter 26 33 85.550 0.218 157.6 0.5043 0.0000OK 3.007 27 157.3 2.820 0.632 0.5103

60 minute winter 27 34 85.151 0.251 160.7 0.6619 0.0000OK 3.008 32 160.7 2.302 0.813 1.8047

60 minute winter 28 33 87.825 0.117 19.3 0.2131 0.0000OK 4.000 29 19.3 1.212 0.515 0.2290

60 minute winter 29 33 87.706 0.073 27.8 0.0955 0.0000OK 4.001 30 27.8 2.167 0.228 0.2668

60 minute winter 30 33 86.592 0.089 41.2 0.1198 0.0000OK 4.002 31 41.2 3.030 0.295 0.2637

60 minute winter 31 33 85.204 0.080 41.2 0.0693 0.0000OK 4.003 32 41.2 2.708 0.273 0.2919

60 minute winter 32 34 84.539 0.564 224.7 1.6976 0.0000SURCHARGED 3.009 33 224.8 2.040 1.378 2.1689

60 minute winter 33 34 84.129 0.364 224.8 0.9268 0.0000OK 3.010 8 224.9 1.775 0.868 1.5682

60 minute winter 8 34 83.992 0.307 224.9 0.7802 0.0000OK 3.011 11 224.9 2.504 0.727 6.4646

60 minute winter 1 33 89.384 0.085 20.5 0.1638 0.0000OK 1.000 2 20.5 2.063 0.562 0.1904

60 minute winter 2 33 88.557 0.131 30.2 0.2384 0.0000OK 1.001 3 30.2 1.090 0.520 0.3258

60 minute winter 3 33 88.444 0.165 42.7 0.3247 0.0000OK 1.002 4 42.7 1.271 0.735 0.4605

60 minute winter 4 33 88.299 0.191 76.3 0.5672 0.0000OK 1.003 5 76.3 2.057 0.986 1.5686

60 minute winter 5 34 87.399 0.216 101.9 0.6533 0.0000OK 1.004 6 101.0 2.838 0.952 0.7148

60 minute winter 6 34 86.440 0.151 109.1 0.3260 0.0000OK 1.005 7 109.1 2.852 0.422 0.4565

60 minute winter 7 33 85.820 0.170 144.6 0.6646 0.0000OK 1.006 Inlet 01 144.5 3.753 0.520 0.3578

60 minute winter Inlet 01 63 85.395 0.620 144.5 0.0000 0.0000OK Flow through pond Outfall 01 78.5 0.038 0.021 183.7330

60 minute winter Outfall 01 63 85.395 0.645 92.5 0.0000 0.0000SURCHARGED 2.000 10 43.0 0.815 0.176 0.3686

60 minute winter 10 63 85.394 0.894 43.0 2.2762 0.0000SURCHARGED Hydro-Brake® 11 6.5

60 minute winter 11 34 83.214 0.191 260.1 0.7043 0.0000OK 2.002 12 259.9 4.189 0.316 1.3255

60 minute winter 12 33 81.835 0.183 275.2 0.5721 0.0000OK 2.003 13 275.5 3.728 0.354 2.4797

60 minute winter 13 35 80.586 0.368 302.0 1.3098 0.0000OK 2.004 14 298.4 1.929 0.371 3.0739

60 minute winter 14 35 80.375 1.425 359.5 6.9562 0.0000SURCHARGED 2.005 Inlet 02 357.0 2.253 1.010 0.9957

60 minute winter Inlet 02 36 80.236 1.447 357.0 0.0000 0.0000OK Flow through pond Outfall 03 310.4 0.108 0.361 394.3897

60 minute winter 9 34 80.413 0.213 19.9 0.3730 0.0000SURCHARGED 6.000 Inlet 04 19.4 2.538 1.103 0.0380

60 minute winter Inlet 04 46 79.665 0.366 34.8 0.4733 0.0000OK Flow through pond Outfall 02 31.1 0.068 0.121 27.2758

60 minute winter Outfall 02 47 79.662 0.462 31.1 0.0000 0.0000FLOOD RISK 7.000 Inlet 03 12.0 0.859 0.987 0.1847

60 minute winter Inlet 03 50 79.625 0.836 12.0 0.0000 0.0000OK Flow through pond Outfall 03 310.4 0.108 0.361 394.3897

60 minute winter Outfall 03 58 79.578 0.878 310.4 0.0000 0.0000SURCHARGED 5.000 40 122.8 1.105 0.284 0.8852

60 minute winter 40 58 79.569 0.969 122.8 3.3573 0.0000FLOOD RISK Hydro-Brake® Outfall 04 38.7

Hydro-Brake® Outfall 04 53.9

Page 104: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +30% 60 minute winter

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

60 minute winter Outfall 04 47 78.207 0.107 90.8 0.0000 0.0000OK 5.002 J1 109.0 0.314 0.032 1.3332

60 minute winter J1 45 78.215 0.438 109.0 0.0000 0.0000OK Weir J2 100.9

Orifice J2 0.1

60 minute winter J2 45 78.000 0.456 101.0 0.0000 0.0000OK Weir Outfall 05 103.3 654.9

Orifice Outfall 05 0.1 1.4

60 minute winter Outfall 05 1 77.280 0.000 103.3 0.0000 0.0000OK

Page 105: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +30% 120 minute summer

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 100 year +30% 120 minute summer. 360 minute analysis at 2 minute timestep. Mass balance: 99.74%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

120 minute summer 16 64 91.517 0.097 23.8 0.2281 0.0000OK 3.000 17 23.8 1.756 0.344 0.4725

120 minute summer 17 64 90.878 0.071 29.0 0.1241 0.0000OK 3.001 18 29.0 1.642 0.219 0.3563

120 minute summer 18 64 89.659 0.134 40.7 0.2707 0.0000OK 3.002 19 40.7 1.601 0.584 0.3869

120 minute summer 19 64 89.394 0.141 72.8 0.4550 0.0000OK 3.003 20 72.8 2.427 0.413 1.3285

120 minute summer 20 64 88.271 0.124 72.8 0.1777 0.0000OK 3.004 21 72.8 2.056 0.365 1.0982

120 minute summer 21 64 87.330 0.177 72.8 0.2535 0.0000OK 3.005 22 72.8 1.833 0.595 1.3399

120 minute summer 22 64 86.898 0.153 108.8 0.4992 0.0000OK 3.006 26 108.8 2.628 0.513 1.6141

120 minute summer 26 64 85.521 0.189 132.4 0.4369 0.0000OK 3.007 27 132.4 2.821 0.532 0.4105

120 minute summer 27 64 85.093 0.193 135.3 0.5096 0.0000OK 3.008 32 135.2 2.210 0.684 1.6019

120 minute summer 28 64 87.814 0.106 16.2 0.1934 0.0000OK 4.000 29 16.2 1.156 0.432 0.2019

120 minute summer 29 64 87.699 0.066 23.3 0.0870 0.0000OK 4.001 30 23.3 2.075 0.191 0.2336

120 minute summer 30 64 86.583 0.080 34.5 0.1083 0.0000OK 4.002 31 34.5 2.894 0.247 0.2311

120 minute summer 31 64 85.197 0.073 34.5 0.0632 0.0000OK 4.003 32 34.5 2.665 0.229 0.2807

120 minute summer 32 64 84.417 0.442 189.2 1.3306 0.0000SURCHARGED 3.009 33 188.8 1.726 1.158 2.1165

120 minute summer 33 64 84.085 0.320 188.8 0.8154 0.0000OK 3.010 8 188.7 1.704 0.729 1.3739

120 minute summer 8 64 83.958 0.273 188.7 0.6939 0.0000OK 3.011 11 188.1 2.418 0.608 5.6194

120 minute summer 1 64 89.375 0.076 17.1 0.1461 0.0000OK 1.000 2 17.1 1.979 0.469 0.1656

120 minute summer 2 64 88.542 0.116 25.2 0.2102 0.0000OK 1.001 3 25.2 1.070 0.434 0.2777

120 minute summer 3 64 88.422 0.143 35.7 0.2806 0.0000OK 1.002 4 35.7 1.254 0.615 0.3902

120 minute summer 4 64 88.269 0.161 63.8 0.4778 0.0000OK 1.003 5 63.8 2.040 0.825 1.3129

120 minute summer 5 64 87.353 0.170 85.2 0.5152 0.0000OK 1.004 6 85.2 2.808 0.803 0.6014

120 minute summer 6 64 86.425 0.136 92.1 0.2922 0.0000OK 1.005 7 92.1 2.758 0.356 0.3974

120 minute summer 7 64 85.802 0.152 121.9 0.5954 0.0000OK 1.006 Inlet 01 121.9 3.616 0.439 0.3509

120 minute summer Inlet 01 124 85.424 0.649 121.9 0.0000 0.0000OK Flow through pond Outfall 01 65.3 0.023 0.018 194.3131

120 minute summer Outfall 01 124 85.424 0.674 65.3 0.0000 0.0000SURCHARGED 2.000 10 40.1 0.779 0.165 0.3686

120 minute summer 10 124 85.424 0.924 40.1 2.3510 0.0000SURCHARGED Hydro-Brake® 11 6.5

120 minute summer 11 64 83.194 0.171 219.0 0.6301 0.0000OK 2.002 12 218.4 3.955 0.266 1.1810

120 minute summer 12 64 81.823 0.171 231.5 0.5364 0.0000OK 2.003 13 231.5 3.684 0.298 1.7608

120 minute summer 13 66 80.459 0.241 254.1 0.8580 0.0000OK 2.004 14 252.0 1.820 0.314 2.5327

120 minute summer 14 66 80.163 1.213 304.2 5.9216 0.0000SURCHARGED 2.005 Inlet 02 300.2 1.895 0.849 0.9957

120 minute summer Inlet 02 66 80.064 1.276 300.2 0.0000 0.0000OK Flow through pond Outfall 03 236.7 0.084 0.275 378.0457

120 minute summer 9 64 80.278 0.078 16.7 0.1370 0.0000OK 6.000 Inlet 04 16.7 2.543 0.948 0.0319

120 minute summer Inlet 04 78 79.618 0.319 29.8 0.4118 0.0000OK Flow through pond Outfall 02 27.1 0.063 0.105 22.6265

120 minute summer Outfall 02 80 79.614 0.414 27.1 0.0000 0.0000FLOOD RISK 7.000 Inlet 03 11.2 0.823 0.920 0.1847

120 minute summer Inlet 03 82 79.587 0.798 11.2 0.0000 0.0000OK Flow through pond Outfall 03 236.7 0.084 0.275 378.0457

120 minute summer Outfall 03 88 79.548 0.848 236.7 0.0000 0.0000SURCHARGED 5.000 40 137.3 0.983 0.317 0.8852

120 minute summer 40 88 79.539 0.939 137.3 3.2538 0.0000FLOOD RISK Hydro-Brake® Outfall 04 38.7

Hydro-Brake® Outfall 04 53.9

120 minute summer Outfall 04 78 78.206 0.106 90.6 0.0000 0.0000OK 5.002 J1 104.8 0.305 0.031 1.3333

Page 106: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +30% 120 minute summer

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

120 minute summer J1 76 78.215 0.438 104.8 0.0000 0.0000OK Weir J2 100.6

Orifice J2 0.1

120 minute summer J2 76 77.999 0.455 100.7 0.0000 0.0000OK Weir Outfall 05 103.5 756.1

Orifice Outfall 05 0.1 1.7

120 minute summer Outfall 05 2 77.280 0.000 103.5 0.0000 0.0000OK

Page 107: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +30% 120 minute winter

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 100 year +30% 120 minute winter. 360 minute analysis at 2 minute timestep. Mass balance: 99.75%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

120 minute winter 16 64 91.504 0.084 18.4 0.1976 0.0000OK 3.000 17 18.4 1.641 0.266 0.3910

120 minute winter 17 64 90.869 0.062 22.4 0.1087 0.0000OK 3.001 18 22.4 1.565 0.170 0.2902

120 minute winter 18 64 89.638 0.113 31.4 0.2278 0.0000OK 3.002 19 31.4 1.504 0.451 0.3177

120 minute winter 19 64 89.374 0.121 56.2 0.3917 0.0000OK 3.003 20 56.2 2.274 0.319 1.0953

120 minute winter 20 64 88.255 0.108 56.2 0.1545 0.0000OK 3.004 21 56.2 1.936 0.281 0.9021

120 minute winter 21 64 87.304 0.151 56.2 0.2154 0.0000OK 3.005 22 56.2 1.729 0.460 1.0969

120 minute winter 22 64 86.876 0.131 83.9 0.4283 0.0000OK 3.006 26 83.9 2.507 0.395 1.3064

120 minute winter 26 64 85.489 0.157 102.1 0.3640 0.0000OK 3.007 27 102.1 2.741 0.410 0.3231

120 minute winter 27 64 85.056 0.156 104.3 0.4122 0.0000OK 3.008 32 104.3 2.210 0.528 1.2970

120 minute winter 28 64 87.800 0.092 12.5 0.1683 0.0000OK 4.000 29 12.5 1.074 0.333 0.1681

120 minute winter 29 64 87.691 0.058 18.0 0.0763 0.0000OK 4.001 30 18.0 1.946 0.148 0.1926

120 minute winter 30 64 86.573 0.070 26.6 0.0937 0.0000OK 4.002 31 26.6 2.685 0.191 0.1924

120 minute winter 31 60 85.190 0.066 26.6 0.0569 0.0000OK 4.003 32 26.6 2.693 0.177 0.1265

120 minute winter 32 64 84.283 0.308 146.0 0.9281 0.0000OK 3.009 33 145.9 1.602 0.895 1.8344

120 minute winter 33 64 84.035 0.270 145.9 0.6881 0.0000OK 3.010 8 145.9 1.600 0.563 1.1325

120 minute winter 8 64 83.918 0.233 145.9 0.5932 0.0000OK 3.011 11 145.8 2.291 0.471 4.6151

120 minute winter 1 64 89.364 0.065 13.2 0.1253 0.0000OK 1.000 2 13.2 1.857 0.362 0.1362

120 minute winter 2 64 88.523 0.097 19.4 0.1764 0.0000OK 1.001 3 19.4 1.034 0.334 0.2215

120 minute winter 3 64 88.398 0.119 27.5 0.2330 0.0000OK 1.002 4 27.5 1.204 0.473 0.3134

120 minute winter 4 64 88.241 0.133 49.2 0.3966 0.0000OK 1.003 5 49.2 1.958 0.636 1.0552

120 minute winter 5 64 87.322 0.139 65.7 0.4214 0.0000OK 1.004 6 65.7 2.686 0.619 0.4853

120 minute winter 6 64 86.405 0.116 71.0 0.2492 0.0000OK 1.005 7 71.0 2.641 0.274 0.3227

120 minute winter 7 64 85.780 0.130 94.0 0.5079 0.0000OK 1.006 Inlet 01 94.0 3.401 0.339 0.3932

120 minute winter Inlet 01 122 85.505 0.730 94.0 0.0000 0.0000OK Flow through pond Outfall 01 50.5 0.025 0.014 224.5196

120 minute winter Outfall 01 122 85.505 0.755 56.8 0.0000 0.0000SURCHARGED 2.000 10 49.2 0.923 0.202 0.3686

120 minute winter 10 122 85.505 1.005 49.2 2.5578 0.0000SURCHARGED Hydro-Brake® 11 6.5

120 minute winter 11 64 83.170 0.147 171.0 0.5424 0.0000OK 2.002 12 170.8 3.656 0.208 0.9996

120 minute winter 12 64 81.808 0.156 180.9 0.4872 0.0000OK 2.003 13 181.0 3.726 0.233 1.2504

120 minute winter 13 66 80.381 0.163 198.5 0.5807 0.0000OK 2.004 14 197.9 1.609 0.246 2.1748

120 minute winter 14 70 80.013 1.063 238.1 5.1902 0.0000SURCHARGED 2.005 Inlet 02 236.0 1.490 0.668 0.9957

120 minute winter Inlet 02 70 79.959 1.170 236.0 0.0000 0.0000OK Flow through pond Outfall 03 182.6 0.078 0.212 415.1226

120 minute winter 9 64 80.264 0.064 12.9 0.1119 0.0000OK 6.000 Inlet 04 12.9 2.444 0.732 0.0256

120 minute winter Inlet 04 92 79.653 0.354 23.0 0.4574 0.0000OK Flow through pond Outfall 02 20.8 0.059 0.081 26.1533

120 minute winter Outfall 02 92 79.652 0.452 20.8 0.0000 0.0000FLOOD RISK 7.000 Inlet 03 11.3 0.827 0.929 0.1847

120 minute winter Inlet 03 92 79.638 0.849 11.3 0.0000 0.0000OK Flow through pond Outfall 03 182.6 0.078 0.212 415.1226

120 minute winter Outfall 03 92 79.615 0.915 207.8 0.0000 0.0000FLOOD RISK 5.000 40 103.1 1.013 0.238 0.8852

120 minute winter 40 92 79.607 1.007 103.1 3.4868 0.0000FLOOD RISK Hydro-Brake® Outfall 04 38.7

Hydro-Brake® Outfall 04 53.9

Page 108: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +30% 120 minute winter

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

120 minute winter Outfall 04 82 78.207 0.107 90.9 0.0000 0.0000OK 5.002 J1 108.1 0.311 0.032 1.3349

120 minute winter J1 80 78.215 0.438 108.1 0.0000 0.0000OK Weir J2 101.3

Orifice J2 0.1

120 minute winter J2 80 78.000 0.456 101.4 0.0000 0.0000OK Weir Outfall 05 101.8 838.4

Orifice Outfall 05 0.1 1.7

120 minute winter Outfall 05 2 77.280 0.000 101.8 0.0000 0.0000OK

Page 109: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +30% 180 minute summer

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 100 year +30% 180 minute summer. 420 minute analysis at 4 minute timestep. Mass balance: 99.80%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

180 minute summer 16 96 91.503 0.083 18.0 0.1952 0.0000OK 3.000 17 18.0 1.630 0.260 0.3852

180 minute summer 17 96 90.869 0.062 22.0 0.1077 0.0000OK 3.001 18 22.0 1.561 0.167 0.2860

180 minute summer 18 96 89.637 0.112 30.8 0.2250 0.0000OK 3.002 19 30.8 1.498 0.442 0.3131

180 minute summer 19 96 89.373 0.120 55.1 0.3874 0.0000OK 3.003 20 55.1 2.262 0.313 1.0793

180 minute summer 20 96 88.254 0.107 55.1 0.1529 0.0000OK 3.004 21 55.1 1.927 0.276 0.8887

180 minute summer 21 96 87.302 0.149 55.1 0.2129 0.0000OK 3.005 22 55.1 1.721 0.451 1.0808

180 minute summer 22 96 86.875 0.130 82.3 0.4237 0.0000OK 3.006 26 82.3 2.498 0.388 1.2860

180 minute summer 26 96 85.487 0.155 100.1 0.3591 0.0000OK 3.007 27 100.1 2.730 0.402 0.3181

180 minute summer 27 96 85.055 0.155 102.3 0.4076 0.0000OK 3.008 32 102.3 2.206 0.518 1.2689

180 minute summer 28 96 87.799 0.091 12.2 0.1661 0.0000OK 4.000 29 12.2 1.066 0.325 0.1653

180 minute summer 29 96 87.691 0.058 17.6 0.0754 0.0000OK 4.001 30 17.6 1.939 0.144 0.1893

180 minute summer 30 96 86.572 0.069 26.1 0.0925 0.0000OK 4.002 31 26.1 2.652 0.187 0.1923

180 minute summer 31 92 85.191 0.067 26.1 0.0576 0.0000OK 4.003 32 26.1 2.662 0.173 0.1194

180 minute summer 32 96 84.277 0.302 143.1 0.9096 0.0000OK 3.009 33 143.1 1.599 0.877 1.8022

180 minute summer 33 96 84.032 0.267 143.1 0.6797 0.0000OK 3.010 8 143.1 1.592 0.552 1.1163

180 minute summer 8 96 83.916 0.231 143.1 0.5867 0.0000OK 3.011 11 143.1 2.283 0.462 4.5480

180 minute summer 1 96 89.363 0.064 12.9 0.1237 0.0000OK 1.000 2 12.9 1.846 0.354 0.1339

180 minute summer 2 96 88.522 0.096 19.0 0.1740 0.0000OK 1.001 3 19.0 1.031 0.327 0.2175

180 minute summer 3 96 88.396 0.117 26.9 0.2296 0.0000OK 1.002 4 26.9 1.199 0.463 0.3077

180 minute summer 4 96 88.239 0.131 48.1 0.3907 0.0000OK 1.003 5 48.1 1.949 0.622 1.0365

180 minute summer 5 96 87.320 0.137 64.3 0.4152 0.0000OK 1.004 6 64.3 2.674 0.606 0.4771

180 minute summer 6 96 86.403 0.114 69.5 0.2461 0.0000OK 1.005 7 69.5 2.608 0.269 0.3172

180 minute summer 7 96 85.778 0.128 92.0 0.5015 0.0000OK 1.006 Inlet 01 92.0 3.384 0.331 0.3623

180 minute summer Inlet 01 184 85.452 0.677 92.0 0.0000 0.0000OK Flow through pond Outfall 01 49.6 0.020 0.013 204.3964

180 minute summer Outfall 01 184 85.452 0.702 49.6 0.0000 0.0000SURCHARGED 2.000 10 48.6 0.907 0.199 0.3686

180 minute summer 10 184 85.451 0.951 48.6 2.4213 0.0000SURCHARGED Hydro-Brake® 11 6.5

180 minute summer 11 96 83.168 0.145 167.8 0.5362 0.0000OK 2.002 12 167.7 3.626 0.204 0.9885

180 minute summer 12 96 81.807 0.155 177.6 0.4849 0.0000OK 2.003 13 177.7 3.699 0.229 1.2081

180 minute summer 13 96 80.373 0.155 194.8 0.5524 0.0000OK 2.004 14 194.5 1.586 0.242 2.1395

180 minute summer 14 100 79.942 0.992 233.9 4.8406 0.0000SURCHARGED 2.005 Inlet 02 232.0 1.464 0.656 0.9957

180 minute summer Inlet 02 100 79.892 1.103 232.0 0.0000 0.0000OK Flow through pond Outfall 03 174.9 0.068 0.203 370.9201

180 minute summer 9 96 80.263 0.063 12.6 0.1101 0.0000OK 6.000 Inlet 04 12.6 2.432 0.715 0.0251

180 minute summer Inlet 04 116 79.591 0.292 22.5 0.3769 0.0000OK Flow through pond Outfall 02 21.0 0.059 0.081 20.1401

180 minute summer Outfall 02 120 79.587 0.387 21.0 0.0000 0.0000SURCHARGED 7.000 Inlet 03 10.5 0.791 0.865 0.1847

180 minute summer Inlet 03 120 79.567 0.778 10.5 0.0000 0.0000OK Flow through pond Outfall 03 174.9 0.068 0.203 370.9201

180 minute summer Outfall 03 124 79.535 0.835 174.9 0.0000 0.0000SURCHARGED 5.000 40 109.1 1.042 0.252 0.8852

180 minute summer 40 124 79.526 0.926 109.1 3.2084 0.0000FLOOD RISK Hydro-Brake® Outfall 04 38.7

Hydro-Brake® Outfall 04 53.9

180 minute summer Outfall 04 124 78.203 0.103 90.4 0.0000 0.0000OK 5.002 J1 102.2 0.298 0.030 1.3284

Page 110: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +30% 180 minute summer

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

180 minute summer J1 108 78.214 0.437 102.2 0.0000 0.0000OK Weir J2 100.8

Orifice J2 0.1

180 minute summer J2 108 78.000 0.456 100.9 0.0000 0.0000OK Weir Outfall 05 101.9 872.5

Orifice Outfall 05 0.1 2.0

180 minute summer Outfall 05 4 77.280 0.000 101.9 0.0000 0.0000OK

Page 111: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +30% 180 minute winter

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 100 year +30% 180 minute winter. 420 minute analysis at 4 minute timestep. Mass balance: 99.81%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

180 minute winter 16 96 91.492 0.072 13.9 0.1700 0.0000OK 3.000 17 13.9 1.521 0.201 0.3190

180 minute winter 17 96 90.861 0.054 16.9 0.0943 0.0000OK 3.001 18 16.9 1.473 0.128 0.2335

180 minute winter 18 96 89.620 0.095 23.7 0.1915 0.0000OK 3.002 19 23.7 1.403 0.340 0.2571

180 minute winter 19 96 89.357 0.104 42.4 0.3351 0.0000OK 3.003 20 42.4 2.110 0.241 0.8902

180 minute winter 20 96 88.240 0.093 42.4 0.1333 0.0000OK 3.004 21 42.4 1.805 0.212 0.7309

180 minute winter 21 96 87.281 0.128 42.4 0.1826 0.0000OK 3.005 22 42.4 1.614 0.347 0.8870

180 minute winter 22 96 86.857 0.112 63.3 0.3662 0.0000OK 3.006 26 63.3 2.371 0.298 1.0425

180 minute winter 26 96 85.462 0.130 77.0 0.3024 0.0000OK 3.007 27 77.0 2.584 0.309 0.2585

180 minute winter 27 96 85.033 0.133 78.7 0.3509 0.0000OK 3.008 32 78.7 2.210 0.398 0.9711

180 minute winter 28 96 87.788 0.080 9.4 0.1450 0.0000OK 4.000 29 9.4 0.989 0.251 0.1375

180 minute winter 29 96 87.684 0.051 13.6 0.0663 0.0000OK 4.001 30 13.6 1.816 0.112 0.1558

180 minute winter 30 96 86.562 0.059 20.1 0.0800 0.0000OK 4.002 31 20.1 2.429 0.144 0.1604

180 minute winter 31 96 85.183 0.059 20.1 0.0507 0.0000OK 4.003 32 20.1 2.551 0.133 0.0878

180 minute winter 32 96 84.221 0.246 110.2 0.7422 0.0000OK 3.009 33 110.2 1.526 0.676 1.4575

180 minute winter 33 96 83.993 0.228 110.2 0.5790 0.0000OK 3.010 8 110.2 1.493 0.425 0.9172

180 minute winter 8 96 83.883 0.198 110.2 0.5047 0.0000OK 3.011 11 110.2 2.140 0.356 3.7440

180 minute winter 1 96 89.354 0.055 10.0 0.1071 0.0000OK 1.000 2 10.0 1.728 0.274 0.1108

180 minute winter 2 96 88.508 0.082 14.7 0.1487 0.0000OK 1.001 3 14.7 0.986 0.253 0.1761

180 minute winter 3 96 88.378 0.099 20.8 0.1949 0.0000OK 1.002 4 20.8 1.140 0.358 0.2504

180 minute winter 4 96 88.220 0.112 37.1 0.3323 0.0000OK 1.003 5 37.1 1.846 0.479 0.8438

180 minute winter 5 96 87.299 0.116 49.6 0.3501 0.0000OK 1.004 6 49.6 2.528 0.467 0.3894

180 minute winter 6 96 86.388 0.099 53.6 0.2126 0.0000OK 1.005 7 53.6 2.534 0.207 0.2574

180 minute winter 7 92 85.760 0.110 70.9 0.4297 0.0000OK 1.006 Inlet 01 71.0 3.166 0.256 0.3891

180 minute winter Inlet 01 180 85.541 0.766 71.0 0.0000 0.0000OK Flow through pond Outfall 01 38.7 0.022 0.010 238.2450

180 minute winter Outfall 01 180 85.541 0.791 43.4 0.0000 0.0000SURCHARGED 2.000 10 47.6 0.886 0.195 0.3686

180 minute winter 10 180 85.541 1.041 47.6 2.6486 0.0000SURCHARGED Hydro-Brake® 11 6.6

180 minute winter 11 96 83.149 0.126 130.6 0.4659 0.0000OK 2.002 12 130.6 3.412 0.159 0.8182

180 minute winter 12 96 81.788 0.136 138.2 0.4245 0.0000OK 2.003 13 138.2 3.534 0.178 0.9771

180 minute winter 13 96 80.348 0.130 151.4 0.4640 0.0000OK 2.004 14 151.4 1.510 0.188 2.0320

180 minute winter 14 108 79.875 0.925 181.7 4.5168 0.0000SURCHARGED 2.005 Inlet 02 180.4 1.336 0.510 0.9957

180 minute winter Inlet 02 108 79.848 1.060 180.4 0.0000 0.0000OK Flow through pond Outfall 03 142.2 0.064 0.165 396.6871

180 minute winter 9 96 80.253 0.053 9.7 0.0932 0.0000OK 6.000 Inlet 04 9.7 2.293 0.551 0.0205

180 minute winter Inlet 04 128 79.623 0.324 17.3 0.4181 0.0000OK Flow through pond Outfall 02 16.5 0.055 0.064 23.1721

180 minute winter Outfall 02 132 79.621 0.421 16.5 0.0000 0.0000FLOOD RISK 7.000 Inlet 03 10.7 0.803 0.874 0.1847

180 minute winter Inlet 03 128 79.606 0.817 10.7 0.0000 0.0000OK Flow through pond Outfall 03 142.2 0.064 0.165 396.6871

180 minute winter Outfall 03 128 79.582 0.882 170.9 0.0000 0.0000SURCHARGED 5.000 40 91.0 1.029 0.210 0.8852

180 minute winter 40 128 79.573 0.973 91.0 3.3718 0.0000FLOOD RISK Hydro-Brake® Outfall 04 38.7

Hydro-Brake® Outfall 04 53.9

Page 112: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +30% 180 minute winter

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

180 minute winter Outfall 04 112 78.206 0.106 90.8 0.0000 0.0000OK 5.002 J1 108.9 0.314 0.032 1.3362

180 minute winter J1 120 78.215 0.438 108.9 0.0000 0.0000OK Weir J2 100.7

Orifice J2 0.1

180 minute winter J2 120 78.000 0.456 100.8 0.0000 0.0000OK Weir Outfall 05 100.1 951.8

Orifice Outfall 05 0.1 2.0

180 minute winter Outfall 05 4 77.280 0.000 100.1 0.0000 0.0000OK

Page 113: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +30% 240 minute summer

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 100 year +30% 240 minute summer. 480 minute analysis at 4 minute timestep. Mass balance: 99.82%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

240 minute summer 16 124 91.496 0.076 15.3 0.1786 0.0000OK 3.000 17 15.2 1.557 0.220 0.3412

240 minute summer 17 124 90.864 0.057 18.6 0.0988 0.0000OK 3.001 18 18.6 1.505 0.141 0.2507

240 minute summer 18 124 89.625 0.100 26.1 0.2025 0.0000OK 3.002 19 26.0 1.435 0.373 0.2754

240 minute summer 19 124 89.362 0.109 46.5 0.3522 0.0000OK 3.003 20 46.4 2.162 0.263 0.9499

240 minute summer 20 124 88.244 0.097 46.4 0.1393 0.0000OK 3.004 21 46.2 1.847 0.231 0.7774

240 minute summer 21 124 87.287 0.134 46.2 0.1913 0.0000OK 3.005 22 45.9 1.644 0.375 0.9430

240 minute summer 22 124 86.862 0.117 68.9 0.3831 0.0000OK 3.006 26 68.6 2.408 0.323 1.1129

240 minute summer 26 124 85.470 0.138 83.7 0.3188 0.0000OK 3.007 27 83.5 2.630 0.335 0.2754

240 minute summer 27 124 85.039 0.139 85.3 0.3668 0.0000OK 3.008 32 85.1 2.208 0.431 1.0516

240 minute summer 28 124 87.792 0.084 10.4 0.1526 0.0000OK 4.000 29 10.4 1.017 0.276 0.1473

240 minute summer 29 124 87.686 0.053 15.0 0.0694 0.0000OK 4.001 30 14.9 1.861 0.122 0.1668

240 minute summer 30 124 86.565 0.062 22.1 0.0840 0.0000OK 4.002 31 22.1 2.488 0.158 0.1719

240 minute summer 31 124 85.186 0.062 22.1 0.0533 0.0000OK 4.003 32 22.0 2.614 0.146 0.0939

240 minute summer 32 124 84.236 0.261 119.6 0.7849 0.0000OK 3.009 33 119.0 1.549 0.730 1.5501

240 minute summer 33 124 84.003 0.238 119.0 0.6062 0.0000OK 3.010 8 118.8 1.522 0.459 0.9697

240 minute summer 8 124 83.892 0.207 118.8 0.5257 0.0000OK 3.011 11 118.1 2.176 0.381 3.9435

240 minute summer 1 124 89.357 0.058 11.0 0.1128 0.0000OK 1.000 2 11.0 1.770 0.301 0.1186

240 minute summer 2 124 88.512 0.086 16.2 0.1572 0.0000OK 1.001 3 16.1 1.003 0.277 0.1897

240 minute summer 3 124 88.384 0.105 22.8 0.2062 0.0000OK 1.002 4 22.7 1.159 0.391 0.2690

240 minute summer 4 124 88.226 0.118 40.7 0.3511 0.0000OK 1.003 5 40.5 1.883 0.524 0.9041

240 minute summer 5 124 87.305 0.122 54.2 0.3697 0.0000OK 1.004 6 54.0 2.575 0.509 0.4159

240 minute summer 6 124 86.392 0.103 58.4 0.2221 0.0000OK 1.005 7 58.3 2.510 0.225 0.2766

240 minute summer 7 124 85.766 0.116 77.4 0.4531 0.0000OK 1.006 Inlet 01 77.3 3.241 0.278 0.3625

240 minute summer Inlet 01 240 85.457 0.682 77.3 0.0000 0.0000OK Flow through pond Outfall 01 41.9 0.018 0.011 206.4062

240 minute summer Outfall 01 240 85.457 0.707 47.6 0.0000 0.0000SURCHARGED 2.000 10 34.1 0.668 0.140 0.3686

240 minute summer 10 240 85.457 0.957 34.1 2.4352 0.0000SURCHARGED Hydro-Brake® 11 6.5

240 minute summer 11 124 83.154 0.131 139.7 0.4827 0.0000OK 2.002 12 139.2 3.459 0.169 0.8600

240 minute summer 12 124 81.793 0.141 147.6 0.4402 0.0000OK 2.003 13 147.4 3.589 0.190 1.0258

240 minute summer 13 124 80.353 0.135 161.9 0.4799 0.0000OK 2.004 14 161.6 1.393 0.201 2.0509

240 minute summer 14 128 79.839 0.889 195.0 4.3391 0.0000SURCHARGED 2.005 Inlet 02 192.4 1.214 0.544 0.9957

240 minute summer Inlet 02 132 79.800 1.011 192.4 0.0000 0.0000OK Flow through pond Outfall 03 148.4 0.061 0.172 355.0256

240 minute summer 9 124 80.257 0.057 10.7 0.0989 0.0000OK 6.000 Inlet 04 10.7 2.345 0.606 0.0221

240 minute summer Inlet 04 148 79.562 0.263 19.1 0.3399 0.0000OK Flow through pond Outfall 02 18.4 0.056 0.071 17.6453

240 minute summer Outfall 02 152 79.557 0.357 18.4 0.0000 0.0000SURCHARGED 7.000 Inlet 03 10.7 0.823 0.878 0.1847

240 minute summer Inlet 03 152 79.538 0.749 10.7 0.0000 0.0000OK Flow through pond Outfall 03 148.4 0.061 0.172 355.0256

240 minute summer Outfall 03 152 79.505 0.805 148.4 0.0000 0.0000SURCHARGED 5.000 40 103.4 1.033 0.239 0.8852

240 minute summer 40 152 79.497 0.897 103.4 3.1058 0.0000FLOOD RISK Hydro-Brake® Outfall 04 38.7

Hydro-Brake® Outfall 04 53.9

240 minute summer Outfall 04 156 78.202 0.102 89.9 0.0000 0.0000OK 5.002 J1 98.5 0.290 0.029 1.3323

Page 114: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +30% 240 minute summer

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

240 minute summer J1 152 78.214 0.437 98.5 0.0000 0.0000OK Weir J2 99.4

Orifice J2 0.1

240 minute summer J2 152 77.999 0.455 99.4 0.0000 0.0000OK Weir Outfall 05 103.5 951.3

Orifice Outfall 05 0.1 2.3

240 minute summer Outfall 05 4 77.280 0.000 103.5 0.0000 0.0000OK

Page 115: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +30% 240 minute winter

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 100 year +30% 240 minute winter. 480 minute analysis at 4 minute timestep. Mass balance: 99.89%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

240 minute winter 16 124 91.485 0.065 11.3 0.1524 0.0000OK 3.000 17 11.3 1.435 0.163 0.2747

240 minute winter 17 124 90.856 0.049 13.8 0.0851 0.0000OK 3.001 18 13.8 1.404 0.104 0.2001

240 minute winter 18 124 89.609 0.084 19.4 0.1702 0.0000OK 3.002 19 19.4 1.333 0.278 0.2213

240 minute winter 19 124 89.346 0.093 34.7 0.3008 0.0000OK 3.003 20 34.6 1.998 0.197 0.7682

240 minute winter 20 124 88.231 0.084 34.6 0.1201 0.0000OK 3.004 21 34.6 1.714 0.173 0.6291

240 minute winter 21 124 87.267 0.114 34.6 0.1628 0.0000OK 3.005 22 34.6 1.531 0.283 0.7629

240 minute winter 22 124 86.846 0.101 51.7 0.3286 0.0000OK 3.006 26 51.7 2.270 0.243 0.8886

240 minute winter 26 124 85.447 0.115 62.9 0.2662 0.0000OK 3.007 27 62.8 2.462 0.252 0.2214

240 minute winter 27 124 85.020 0.120 64.2 0.3155 0.0000OK 3.008 32 64.2 2.210 0.325 0.7910

240 minute winter 28 124 87.780 0.072 7.7 0.1309 0.0000OK 4.000 29 7.7 0.934 0.205 0.1194

240 minute winter 29 124 87.679 0.046 11.1 0.0599 0.0000OK 4.001 30 11.1 1.715 0.091 0.1346

240 minute winter 30 124 86.556 0.053 16.4 0.0720 0.0000OK 4.002 31 16.4 2.304 0.117 0.1379

240 minute winter 31 124 85.177 0.053 16.4 0.0455 0.0000OK 4.003 32 16.4 2.415 0.109 0.0756

240 minute winter 32 124 84.190 0.215 89.9 0.6479 0.0000OK 3.009 33 89.8 1.458 0.551 1.2436

240 minute winter 33 124 83.967 0.202 89.8 0.5131 0.0000OK 3.010 8 89.8 1.419 0.347 0.7863

240 minute winter 8 124 83.862 0.177 89.8 0.4504 0.0000OK 3.011 11 89.7 2.028 0.290 3.2205

240 minute winter 1 124 89.349 0.050 8.2 0.0962 0.0000OK 1.000 2 8.2 1.638 0.225 0.0958

240 minute winter 2 124 88.499 0.073 12.1 0.1327 0.0000OK 1.001 3 12.1 0.949 0.208 0.1505

240 minute winter 3 124 88.367 0.088 17.1 0.1731 0.0000OK 1.002 4 17.1 1.090 0.294 0.2148

240 minute winter 4 124 88.208 0.100 30.5 0.2961 0.0000OK 1.003 5 30.4 1.766 0.393 0.7236

240 minute winter 5 124 87.285 0.102 40.6 0.3097 0.0000OK 1.004 6 40.6 2.411 0.382 0.3341

240 minute winter 6 124 86.377 0.088 43.9 0.1901 0.0000OK 1.005 7 43.9 2.441 0.170 0.2185

240 minute winter 7 120 85.748 0.098 58.1 0.3817 0.0000OK 1.006 Inlet 01 58.1 2.999 0.209 0.3804

240 minute winter Inlet 01 236 85.545 0.770 58.1 0.0000 0.0000OK Flow through pond Outfall 01 32.1 0.020 0.009 239.6618

240 minute winter Outfall 01 236 85.545 0.795 45.2 0.0000 0.0000SURCHARGED 2.000 10 45.8 0.781 0.188 0.3686

240 minute winter 10 236 85.544 1.044 45.8 2.6578 0.0000SURCHARGED Hydro-Brake® 11 6.6

240 minute winter 11 124 83.137 0.114 107.4 0.4190 0.0000OK 2.002 12 107.3 3.257 0.130 0.7040

240 minute winter 12 128 81.774 0.122 113.5 0.3810 0.0000OK 2.003 13 113.5 3.361 0.146 0.8441

240 minute winter 13 124 80.336 0.118 124.3 0.4196 0.0000OK 2.004 14 124.2 1.460 0.155 1.9802

240 minute winter 14 140 79.784 0.834 149.1 4.0692 0.0000SURCHARGED 2.005 Inlet 02 148.0 1.259 0.419 0.9957

240 minute winter Inlet 02 144 79.766 0.977 148.0 0.0000 0.0000OK Flow through pond Outfall 03 123.1 0.058 0.143 368.9226

240 minute winter 9 124 80.247 0.047 7.9 0.0825 0.0000OK 6.000 Inlet 04 7.9 2.178 0.448 0.0176

240 minute winter Inlet 04 164 79.580 0.281 14.1 0.3627 0.0000OK Flow through pond Outfall 02 14.1 0.053 0.054 19.2165

240 minute winter Outfall 02 164 79.576 0.376 14.1 0.0000 0.0000SURCHARGED 7.000 Inlet 03 10.0 0.823 0.819 0.1847

240 minute winter Inlet 03 164 79.559 0.771 10.0 0.0000 0.0000OK Flow through pond Outfall 03 123.1 0.058 0.143 368.9226

240 minute winter Outfall 03 164 79.531 0.831 123.1 0.0000 0.0000SURCHARGED 5.000 40 90.4 0.929 0.209 0.8852

240 minute winter 40 164 79.523 0.923 90.4 3.1961 0.0000FLOOD RISK Hydro-Brake® Outfall 04 38.7

Hydro-Brake® Outfall 04 53.9

Page 116: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +30% 240 minute winter

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

240 minute winter Outfall 04 152 78.205 0.105 90.4 0.0000 0.0000OK 5.002 J1 105.4 0.307 0.031 1.3318

240 minute winter J1 164 78.214 0.437 105.4 0.0000 0.0000OK Weir J2 100.3

Orifice J2 0.1

240 minute winter J2 164 78.000 0.456 100.4 0.0000 0.0000OK Weir Outfall 05 102.2 1057.1

Orifice Outfall 05 0.1 2.3

240 minute winter Outfall 05 4 77.280 0.000 102.2 0.0000 0.0000OK

Page 117: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +30% 360 minute summer

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 100 year +30% 360 minute summer. 600 minute analysis at 8 minute timestep. Mass balance: 99.92%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

360 minute summer 16 184 91.486 0.066 11.7 0.1549 0.0000OK 3.000 17 11.6 1.447 0.168 0.2808

360 minute summer 17 184 90.857 0.050 14.2 0.0864 0.0000OK 3.001 18 14.2 1.417 0.107 0.2039

360 minute summer 18 184 89.611 0.086 19.9 0.1724 0.0000OK 3.002 19 19.8 1.339 0.284 0.2253

360 minute summer 19 184 89.347 0.094 35.6 0.3047 0.0000OK 3.003 20 35.4 2.012 0.201 0.7807

360 minute summer 20 184 88.232 0.085 35.4 0.1213 0.0000OK 3.004 21 35.3 1.725 0.177 0.6370

360 minute summer 21 184 87.268 0.115 35.3 0.1642 0.0000OK 3.005 22 35.1 1.535 0.287 0.7720

360 minute summer 22 184 86.847 0.102 52.7 0.3314 0.0000OK 3.006 26 52.5 2.275 0.247 0.9005

360 minute summer 26 184 85.448 0.116 64.1 0.2691 0.0000OK 3.007 27 63.9 2.472 0.256 0.2242

360 minute summer 27 184 85.021 0.121 65.3 0.3180 0.0000OK 3.008 32 65.1 2.206 0.330 0.8031

360 minute summer 28 184 87.781 0.073 7.9 0.1325 0.0000OK 4.000 29 7.9 0.939 0.210 0.1213

360 minute summer 29 184 87.679 0.046 11.4 0.0605 0.0000OK 4.001 30 11.3 1.723 0.093 0.1369

360 minute summer 30 184 86.557 0.054 16.8 0.0729 0.0000OK 4.002 31 16.8 2.319 0.120 0.1404

360 minute summer 31 184 85.177 0.053 16.8 0.0461 0.0000OK 4.003 32 16.8 2.429 0.111 0.0768

360 minute summer 32 184 84.192 0.217 91.5 0.6541 0.0000OK 3.009 33 91.0 1.461 0.558 1.2569

360 minute summer 33 184 83.968 0.203 91.0 0.5167 0.0000OK 3.010 8 90.8 1.424 0.350 0.7923

360 minute summer 8 184 83.863 0.178 90.8 0.4523 0.0000OK 3.011 11 90.2 2.029 0.291 3.2360

360 minute summer 1 184 89.349 0.050 8.4 0.0973 0.0000OK 1.000 2 8.4 1.647 0.229 0.0973

360 minute summer 2 184 88.500 0.074 12.4 0.1343 0.0000OK 1.001 3 12.3 0.953 0.212 0.1528

360 minute summer 3 184 88.368 0.089 17.4 0.1749 0.0000OK 1.002 4 17.4 1.093 0.299 0.2180

360 minute summer 4 184 88.209 0.101 31.2 0.2995 0.0000OK 1.003 5 31.0 1.773 0.401 0.7342

360 minute summer 5 184 87.286 0.103 41.5 0.3131 0.0000OK 1.004 6 41.3 2.420 0.389 0.3386

360 minute summer 6 184 86.378 0.089 44.7 0.1909 0.0000OK 1.005 7 44.6 2.380 0.173 0.2248

360 minute summer 7 184 85.750 0.100 59.2 0.3896 0.0000OK 1.006 Inlet 01 59.1 3.026 0.213 0.3530

360 minute summer Inlet 01 312 85.437 0.662 59.1 0.0000 0.0000OK Flow through pond Outfall 01 32.6 0.017 0.009 199.0905

360 minute summer Outfall 01 312 85.437 0.687 42.6 0.0000 0.0000SURCHARGED 2.000 10 -28.0 -0.483 -0.115 0.3686

360 minute summer 10 312 85.437 0.937 17.5 2.3846 0.0000SURCHARGED Hydro-Brake® 11 6.5

360 minute summer 11 184 83.137 0.114 108.0 0.4199 0.0000OK 2.002 12 107.6 3.258 0.131 0.7061

360 minute summer 12 184 81.774 0.122 114.0 0.3817 0.0000OK 2.003 13 113.8 3.359 0.146 0.8465

360 minute summer 13 184 80.336 0.118 124.9 0.4204 0.0000OK 2.004 14 124.7 1.374 0.155 1.9811

360 minute summer 14 192 79.702 0.752 150.3 3.6724 0.0000SURCHARGED 2.005 Inlet 02 148.3 1.114 0.420 0.9957

360 minute summer Inlet 02 192 79.681 0.892 148.3 0.0000 0.0000OK Flow through pond Outfall 03 117.4 0.055 0.136 323.0072

360 minute summer 9 184 80.248 0.048 8.2 0.0843 0.0000OK 6.000 Inlet 04 8.2 2.197 0.465 0.0181

360 minute summer Inlet 04 208 79.511 0.212 14.6 0.2740 0.0000OK Flow through pond Outfall 02 14.5 0.053 0.056 13.3111

360 minute summer Outfall 02 216 79.500 0.300 14.5 0.0000 0.0000SURCHARGED 7.000 Inlet 03 10.0 0.797 0.818 0.1847

360 minute summer Inlet 03 216 79.480 0.691 10.0 0.0000 0.0000OK Flow through pond Outfall 03 117.4 0.055 0.136 323.0072

360 minute summer Outfall 03 216 79.444 0.744 117.4 0.0000 0.0000SURCHARGED 5.000 40 122.4 0.998 0.283 0.8852

360 minute summer 40 216 79.436 0.836 122.4 2.8956 0.0000FLOOD RISK Hydro-Brake® Outfall 04 38.7

Hydro-Brake® Outfall 04 53.4

360 minute summer Outfall 04 232 78.200 0.100 88.2 0.0000 0.0000OK 5.002 J1 96.5 0.281 0.028 1.3213

Page 118: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +30% 360 minute summer

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

360 minute summer J1 216 78.213 0.436 96.5 0.0000 0.0000OK Weir J2 98.9

Orifice J2 0.1

360 minute summer J2 216 77.999 0.455 99.0 0.0000 0.0000OK Weir Outfall 05 100.4 1094.0

Orifice Outfall 05 0.1 2.8

360 minute summer Outfall 05 8 77.280 0.000 100.4 0.0000 0.0000OK

Page 119: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +30% 360 minute winter

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 100 year +30% 360 minute winter. 600 minute analysis at 8 minute timestep. Mass balance: 99.96%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

360 minute winter 16 184 91.476 0.056 8.5 0.1316 0.0000OK 3.000 17 8.5 1.323 0.123 0.2241

360 minute winter 17 184 90.850 0.043 10.4 0.0740 0.0000OK 3.001 18 10.4 1.310 0.079 0.1617

360 minute winter 18 184 89.597 0.072 14.6 0.1449 0.0000OK 3.002 19 14.6 1.237 0.209 0.1793

360 minute winter 19 184 89.333 0.080 26.1 0.2588 0.0000OK 3.003 20 26.0 1.847 0.148 0.6248

360 minute winter 20 184 88.220 0.073 26.0 0.1040 0.0000OK 3.004 21 26.0 1.588 0.130 0.5106

360 minute winter 21 184 87.250 0.097 26.0 0.1394 0.0000OK 3.005 22 26.0 1.420 0.213 0.6183

360 minute winter 22 184 86.832 0.087 38.8 0.2829 0.0000OK 3.006 26 38.8 2.130 0.183 0.7105

360 minute winter 26 184 85.429 0.097 47.2 0.2237 0.0000OK 3.007 27 47.1 2.285 0.189 0.1790

360 minute winter 27 184 85.004 0.104 48.1 0.2742 0.0000OK 3.008 32 48.1 2.209 0.243 0.5910

360 minute winter 28 184 87.770 0.062 5.8 0.1134 0.0000OK 4.000 29 5.8 0.858 0.155 0.0979

360 minute winter 29 184 87.673 0.040 8.4 0.0523 0.0000OK 4.001 30 8.4 1.583 0.069 0.1102

360 minute winter 30 184 86.549 0.046 12.4 0.0624 0.0000OK 4.002 31 12.4 2.139 0.089 0.1122

360 minute winter 31 184 85.169 0.045 12.4 0.0393 0.0000OK 4.003 32 12.4 2.238 0.082 0.0616

360 minute winter 32 184 84.155 0.180 67.5 0.5426 0.0000OK 3.009 33 67.4 1.362 0.413 0.9993

360 minute winter 33 184 83.936 0.171 67.4 0.4353 0.0000OK 3.010 8 67.4 1.320 0.260 0.6345

360 minute winter 8 184 83.837 0.152 67.4 0.3859 0.0000OK 3.011 11 67.3 1.875 0.217 2.6166

360 minute winter 1 184 89.342 0.043 6.1 0.0822 0.0000OK 1.000 2 6.1 1.512 0.167 0.0773

360 minute winter 2 184 88.488 0.062 9.0 0.1124 0.0000OK 1.001 3 9.0 0.891 0.155 0.1193

360 minute winter 3 184 88.353 0.074 12.7 0.1459 0.0000OK 1.002 4 12.7 1.016 0.218 0.1714

360 minute winter 4 184 88.192 0.084 22.7 0.2511 0.0000OK 1.003 5 22.7 1.643 0.293 0.5794

360 minute winter 5 184 87.269 0.086 30.4 0.2615 0.0000OK 1.004 6 30.3 2.243 0.286 0.2685

360 minute winter 6 184 86.365 0.076 32.8 0.1629 0.0000OK 1.005 7 32.8 2.274 0.127 0.1735

360 minute winter 7 176 85.733 0.083 43.4 0.3235 0.0000OK 1.006 Inlet 01 43.4 2.769 0.156 0.3690

360 minute winter Inlet 01 344 85.525 0.750 43.4 0.0000 0.0000OK Flow through pond Outfall 01 24.7 0.017 0.007 231.8475

360 minute winter Outfall 01 344 85.525 0.775 46.0 0.0000 0.0000SURCHARGED 2.000 10 39.7 0.656 0.163 0.3686

360 minute winter 10 344 85.524 1.024 39.7 2.6066 0.0000SURCHARGED Hydro-Brake® 11 6.6

360 minute winter 11 184 83.121 0.098 82.0 0.3630 0.0000OK 2.002 12 81.9 3.050 0.100 0.5738

360 minute winter 12 184 81.757 0.105 86.6 0.3295 0.0000OK 2.003 13 86.6 3.128 0.111 0.6917

360 minute winter 13 184 80.321 0.103 94.7 0.3660 0.0000OK 2.004 14 94.7 1.373 0.118 1.9201

360 minute winter 14 208 79.656 0.706 113.3 3.4465 0.0000SURCHARGED 2.005 Inlet 02 112.5 1.189 0.318 0.9957

360 minute winter Inlet 02 208 79.645 0.856 112.5 0.0000 0.0000OK Flow through pond Outfall 03 101.1 0.053 0.117 320.0932

360 minute winter 9 184 80.240 0.040 6.0 0.0707 0.0000OK 6.000 Inlet 04 6.0 2.026 0.340 0.0144

360 minute winter Inlet 04 224 79.504 0.205 10.7 0.2648 0.0000OK Flow through pond Outfall 02 10.7 0.049 0.042 12.8250

360 minute winter Outfall 02 224 79.493 0.293 10.7 0.0000 0.0000SURCHARGED 7.000 Inlet 03 8.6 0.788 0.704 0.1847

360 minute winter Inlet 03 224 79.474 0.685 8.6 0.0000 0.0000OK Flow through pond Outfall 03 101.1 0.053 0.117 320.0932

360 minute winter Outfall 03 232 79.438 0.738 101.1 0.0000 0.0000SURCHARGED 5.000 40 114.1 0.999 0.263 0.8852

360 minute winter 40 232 79.430 0.830 114.1 2.8762 0.0000FLOOD RISK Hydro-Brake® Outfall 04 38.7

Hydro-Brake® Outfall 04 53.3

Page 120: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +30% 360 minute winter

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

360 minute winter Outfall 04 216 78.203 0.103 87.9 0.0000 0.0000OK 5.002 J1 103.9 0.304 0.030 1.3197

360 minute winter J1 208 78.212 0.435 103.9 0.0000 0.0000OK Weir J2 98.7

Orifice J2 0.1

360 minute winter J2 208 77.997 0.453 98.8 0.0000 0.0000OK Weir Outfall 05 101.0 1207.5

Orifice Outfall 05 0.1 2.8

360 minute winter Outfall 05 8 77.280 0.000 101.0 0.0000 0.0000OK

Page 121: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +40% 30 minute summer

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 100 year +40% 30 minute summer. 270 minute analysis at 1 minute timestep. Mass balance: 99.86%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

30 minute summer 16 18 91.571 0.151 48.1 0.3536 0.0000OK 3.000 17 48.1 2.073 0.695 0.8039

30 minute summer 17 18 90.911 0.104 58.7 0.1818 0.0000OK 3.001 18 58.7 1.760 0.444 0.5803

30 minute summer 18 18 89.952 0.427 82.3 0.8608 0.0000SURCHARGED 3.002 19 81.1 2.040 1.165 0.6050

30 minute summer 19 19 89.477 0.224 146.0 0.7223 0.0000OK 3.003 20 147.1 2.751 0.835 2.8060

30 minute summer 20 20 88.879 0.732 147.1 1.0475 0.0000SURCHARGED 3.004 21 132.8 2.256 0.665 2.1836

30 minute summer 21 20 88.420 1.267 132.8 1.8136 0.0000SURCHARGED 3.005 22 123.1 1.905 1.006 2.3762

30 minute summer 22 20 87.930 1.185 185.2 3.8641 0.0000SURCHARGED 3.006 26 173.2 2.635 0.816 2.7475

30 minute summer 26 20 86.786 1.454 212.3 3.3679 0.0000SURCHARGED 3.007 27 208.6 2.962 0.837 0.6109

30 minute summer 27 20 86.243 1.343 212.8 3.5379 0.0000SURCHARGED 3.008 32 215.3 3.057 1.089 1.9047

30 minute summer 28 18 87.869 0.161 32.7 0.2925 0.0000OK 4.000 29 32.7 1.377 0.872 0.3379

30 minute summer 29 18 87.732 0.099 47.1 0.1301 0.0000OK 4.001 30 47.0 2.547 0.386 0.3860

30 minute summer 30 17 86.619 0.116 69.6 0.1565 0.0000OK 4.002 31 69.9 3.219 0.501 0.4750

30 minute summer 31 19 85.283 0.159 69.9 0.1373 0.0000OK 4.003 32 68.7 2.664 0.456 0.3881

30 minute summer 32 19 84.989 1.014 308.2 3.0535 0.0000SURCHARGED 3.009 33 307.1 2.785 1.883 2.2266

30 minute summer 33 19 84.304 0.539 307.1 1.3719 0.0000SURCHARGED 3.010 8 306.5 1.937 1.183 1.9103

30 minute summer 8 20 84.086 0.401 306.5 1.0200 0.0000OK 3.011 11 306.0 2.656 0.989 8.1871

30 minute summer 1 20 90.239 0.940 34.6 1.8167 0.0000SURCHARGED 1.000 2 30.4 2.116 0.832 0.3373

30 minute summer 2 20 89.792 1.366 45.3 2.4852 0.0000SURCHARGED 1.001 3 37.8 1.114 0.652 0.4692

30 minute summer 3 20 89.712 1.433 52.7 2.8177 0.0000FLOOD RISK 1.002 4 54.9 1.380 0.945 0.5456

30 minute summer 4 20 89.533 1.425 99.6 4.2384 0.0000FLOOD RISK 1.003 5 92.4 2.324 1.194 1.6701

30 minute summer 5 19 88.009 0.826 129.1 2.5022 0.0000SURCHARGED 1.004 6 126.3 3.176 1.190 0.7892

30 minute summer 6 19 86.467 0.178 138.8 0.3832 0.0000OK 1.005 7 138.7 3.011 0.536 0.5708

30 minute summer 7 18 85.860 0.210 195.4 0.8229 0.0000OK 1.006 Inlet 01 194.7 3.978 0.701 0.4352

30 minute summer Inlet 01 35 85.275 0.500 194.7 0.0000 0.0000OK Flow through pond Outfall 01 145.3 0.063 0.039 142.4890

30 minute summer Outfall 01 35 85.275 0.525 145.3 0.0000 0.0000SURCHARGED 2.000 10 50.0 0.846 0.205 0.3686

30 minute summer 10 35 85.275 0.775 50.0 1.9717 0.0000SURCHARGED Hydro-Brake® 11 6.5

30 minute summer 11 19 83.246 0.223 356.3 0.8232 0.0000OK 2.002 12 356.9 4.286 0.434 1.9755

30 minute summer 12 20 81.943 0.291 381.0 0.9098 0.0000OK 2.003 13 375.8 3.640 0.483 3.3308

30 minute summer 13 20 81.283 1.065 417.4 3.7893 0.0000SURCHARGED 2.004 14 409.2 2.583 0.509 3.2769

30 minute summer 14 20 80.778 1.828 502.0 8.9224 0.0000FLOOD RISK 2.005 Inlet 02 494.0 3.118 1.398 0.9957

30 minute summer Inlet 02 20 80.514 1.725 494.0 0.0000 0.0000OK Flow through pond Outfall 03 379.2 0.131 0.441 326.1483

30 minute summer 9 18 81.000 0.800 33.7 1.6602 0.0000FLOOD RISK 6.000 Inlet 04 30.2 3.855 1.712 0.0376

30 minute summer Inlet 04 20 79.667 0.368 55.6 0.4755 0.0000OK Flow through pond Outfall 02 50.3 0.085 0.195 26.0935

30 minute summer Outfall 02 25 79.650 0.450 50.3 0.0000 0.0000FLOOD RISK 7.000 Inlet 03 14.9 0.891 1.220 0.1847

30 minute summer Inlet 03 24 79.608 0.819 14.9 0.0000 0.0000OK Flow through pond Outfall 03 379.2 0.131 0.441 326.1483

30 minute summer Outfall 03 33 79.450 0.750 379.2 0.0000 0.0000SURCHARGED 5.000 40 100.0 0.925 0.231 0.8852

30 minute summer 40 33 79.442 0.842 100.0 2.9159 0.0000FLOOD RISK Hydro-Brake® Outfall 04 38.7

Hydro-Brake® Outfall 04 53.5

30 minute summer Outfall 04 30 78.205 0.105 88.4 0.0000 0.0000OK 5.002 J1 105.8 0.308 0.031 1.3259

Page 122: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +40% 30 minute summer

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

30 minute summer J1 29 78.212 0.435 105.8 0.0000 0.0000OK Weir J2 91.6

Orifice J2 0.1

30 minute summer J2 37 77.995 0.451 91.7 0.0000 0.0000OK Weir Outfall 05 93.9 482.3

Orifice Outfall 05 0.1 1.3

30 minute summer Outfall 05 1 77.280 0.000 93.9 0.0000 0.0000OK

Page 123: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +40% 30 minute winter

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 100 year +40% 30 minute winter. 270 minute analysis at 1 minute timestep. Mass balance: 99.78%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

30 minute winter 16 18 91.560 0.140 43.5 0.3297 0.0000OK 3.000 17 43.5 2.030 0.629 0.7436

30 minute winter 17 18 90.906 0.099 53.1 0.1718 0.0000OK 3.001 18 53.1 1.728 0.402 0.5673

30 minute winter 18 18 89.854 0.329 74.4 0.6636 0.0000SURCHARGED 3.002 19 73.8 1.857 1.060 0.5913

30 minute winter 19 18 89.457 0.204 132.5 0.6607 0.0000OK 3.003 20 133.3 2.729 0.757 2.5526

30 minute winter 20 20 88.576 0.429 133.3 0.6134 0.0000SURCHARGED 3.004 21 125.1 2.235 0.627 2.1836

30 minute winter 21 20 88.156 1.003 125.1 1.4353 0.0000SURCHARGED 3.005 22 118.8 1.895 0.971 2.3762

30 minute winter 22 20 87.715 0.970 175.9 3.1634 0.0000SURCHARGED 3.006 26 168.6 2.645 0.794 2.7475

30 minute winter 26 20 86.642 1.310 207.2 3.0347 0.0000SURCHARGED 3.007 27 203.6 2.892 0.817 0.6109

30 minute winter 27 20 86.125 1.225 208.0 3.2254 0.0000SURCHARGED 3.008 32 209.5 2.975 1.060 1.9047

30 minute winter 28 18 87.859 0.151 29.6 0.2743 0.0000OK 4.000 29 29.6 1.346 0.790 0.3139

30 minute winter 29 18 87.727 0.094 42.7 0.1225 0.0000OK 4.001 30 42.7 2.472 0.350 0.3599

30 minute winter 30 17 86.613 0.110 63.2 0.1482 0.0000OK 4.002 31 63.3 3.195 0.454 0.4210

30 minute winter 31 19 85.260 0.136 63.3 0.1176 0.0000OK 4.003 32 62.7 2.753 0.416 0.3610

30 minute winter 32 19 84.916 0.941 297.2 2.8341 0.0000SURCHARGED 3.009 33 295.9 2.683 1.814 2.2266

30 minute winter 33 20 84.282 0.517 295.9 1.3163 0.0000SURCHARGED 3.010 8 295.9 1.878 1.142 1.8836

30 minute winter 8 20 84.071 0.386 295.9 0.9829 0.0000OK 3.011 11 296.4 2.642 0.958 7.9562

30 minute winter 1 21 90.094 0.795 31.3 1.5371 0.0000SURCHARGED 1.000 2 27.8 2.154 0.763 0.3373

30 minute winter 2 21 89.665 1.239 41.8 2.2538 0.0000SURCHARGED 1.001 3 36.8 1.099 0.633 0.4692

30 minute winter 3 21 89.584 1.305 51.7 2.5660 0.0000SURCHARGED 1.002 4 53.1 1.338 0.913 0.5456

30 minute winter 4 20 89.408 1.300 94.9 3.8660 0.0000FLOOD RISK 1.003 5 91.0 2.290 1.177 1.6701

30 minute winter 5 20 87.949 0.766 125.1 2.3216 0.0000SURCHARGED 1.004 6 123.6 3.107 1.165 0.7892

30 minute winter 6 20 86.463 0.174 134.4 0.3752 0.0000OK 1.005 7 134.3 3.006 0.519 0.5530

30 minute winter 7 19 85.853 0.203 185.8 0.7928 0.0000OK 1.006 Inlet 01 185.9 3.948 0.670 0.4186

30 minute winter Inlet 01 35 85.329 0.554 185.9 0.0000 0.0000OK Flow through pond Outfall 01 132.7 0.062 0.036 160.8471

30 minute winter Outfall 01 35 85.329 0.579 132.7 0.0000 0.0000SURCHARGED 2.000 10 52.4 0.912 0.215 0.3686

30 minute winter 10 35 85.329 0.829 52.4 2.1098 0.0000SURCHARGED Hydro-Brake® 11 6.5

30 minute winter 11 18 83.242 0.219 343.0 0.8069 0.0000OK 2.002 12 343.4 4.251 0.418 1.9065

30 minute winter 12 20 81.930 0.278 366.0 0.8712 0.0000OK 2.003 13 362.7 3.747 0.466 3.2642

30 minute winter 13 20 81.248 1.030 401.4 3.6658 0.0000SURCHARGED 2.004 14 396.3 2.501 0.493 3.2769

30 minute winter 14 20 80.773 1.823 482.4 8.8998 0.0000FLOOD RISK 2.005 Inlet 02 476.0 3.004 1.347 0.9957

30 minute winter Inlet 02 21 80.528 1.739 476.0 0.0000 0.0000OK Flow through pond Outfall 03 401.5 0.131 0.467 365.9281

30 minute winter 9 19 81.000 0.800 30.5 1.4102 0.0000FLOOD RISK 6.000 Inlet 04 28.4 3.629 1.612 0.0379

30 minute winter Inlet 04 27 79.687 0.388 51.6 0.5007 0.0000OK Flow through pond Outfall 02 47.5 0.082 0.184 29.4597

30 minute winter Outfall 02 27 79.683 0.483 47.5 0.0000 0.0000FLOOD RISK 7.000 Inlet 03 13.7 0.904 1.121 0.1847

30 minute winter Inlet 03 25 79.632 0.844 13.7 0.0000 0.0000OK Flow through pond Outfall 03 401.5 0.131 0.467 365.9281

30 minute winter Outfall 03 33 79.525 0.825 422.0 0.0000 0.0000SURCHARGED 5.000 40 133.7 0.953 0.309 0.8852

30 minute winter 40 33 79.517 0.917 133.7 3.1761 0.0000FLOOD RISK Hydro-Brake® Outfall 04 38.7

Hydro-Brake® Outfall 04 53.9

Page 124: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +40% 30 minute winter

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

30 minute winter Outfall 04 28 78.205 0.105 90.3 0.0000 0.0000OK 5.002 J1 97.8 0.286 0.029 1.3185

30 minute winter J1 32 78.211 0.434 97.8 0.0000 0.0000OK Weir J2 97.9

Orifice J2 0.1

30 minute winter J2 30 77.997 0.453 97.9 0.0000 0.0000OK Weir Outfall 05 102.7 531.2

Orifice Outfall 05 0.1 1.3

30 minute winter Outfall 05 1 77.280 0.000 102.7 0.0000 0.0000OK

Page 125: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +40% 60 minute summer

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 100 year +40% 60 minute summer. 300 minute analysis at 1 minute timestep. Mass balance: 99.74%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

60 minute summer 16 33 91.548 0.128 37.8 0.3008 0.0000OK 3.000 17 37.8 1.968 0.546 0.6677

60 minute summer 17 33 90.898 0.091 46.1 0.1588 0.0000OK 3.001 18 46.1 1.724 0.349 0.5270

60 minute summer 18 33 89.726 0.201 64.6 0.4045 0.0000OK 3.002 19 64.5 1.770 0.926 0.5554

60 minute summer 19 33 89.442 0.189 115.6 0.6098 0.0000OK 3.003 20 115.5 2.687 0.656 1.9027

60 minute summer 20 33 88.311 0.164 115.5 0.2341 0.0000OK 3.004 21 115.5 2.218 0.578 1.6548

60 minute summer 21 35 87.534 0.381 115.5 0.5455 0.0000SURCHARGED 3.005 22 114.2 1.919 0.934 2.3762

60 minute summer 22 35 87.151 0.406 171.3 1.3249 0.0000SURCHARGED 3.006 26 163.9 2.671 0.772 2.7475

60 minute summer 26 35 86.227 0.895 201.4 2.0733 0.0000SURCHARGED 3.007 27 189.4 2.826 0.760 0.6109

60 minute summer 27 35 85.786 0.886 193.9 2.3331 0.0000SURCHARGED 3.008 32 193.1 2.742 0.977 1.9047

60 minute summer 28 33 87.846 0.138 25.7 0.2515 0.0000OK 4.000 29 25.7 1.303 0.686 0.2824

60 minute summer 29 33 87.719 0.086 37.1 0.1124 0.0000OK 4.001 30 37.1 2.349 0.304 0.3281

60 minute summer 30 32 86.606 0.103 54.9 0.1393 0.0000OK 4.002 31 55.0 3.185 0.394 0.3454

60 minute summer 31 34 85.229 0.105 55.0 0.0911 0.0000OK 4.003 32 54.6 2.750 0.363 0.3229

60 minute summer 32 34 84.763 0.788 273.3 2.3747 0.0000SURCHARGED 3.009 33 273.3 2.478 1.675 2.2266

60 minute summer 33 34 84.231 0.466 273.3 1.1860 0.0000SURCHARGED 3.010 8 273.1 1.810 1.054 1.8190

60 minute summer 8 34 84.041 0.356 273.1 0.9052 0.0000OK 3.011 11 272.2 2.604 0.880 7.4865

60 minute summer 1 35 89.571 0.272 27.2 0.5252 0.0000SURCHARGED 1.000 2 26.2 2.148 0.718 0.3373

60 minute summer 2 35 89.203 0.777 39.1 1.4135 0.0000SURCHARGED 1.001 3 33.8 1.103 0.582 0.4692

60 minute summer 3 35 89.137 0.858 49.0 1.6866 0.0000SURCHARGED 1.002 4 48.4 1.267 0.833 0.5456

60 minute summer 4 35 88.989 0.881 87.8 2.6191 0.0000SURCHARGED 1.003 5 83.8 2.148 1.083 1.6701

60 minute summer 5 35 87.736 0.553 114.5 1.6767 0.0000SURCHARGED 1.004 6 113.3 2.853 1.068 0.7892

60 minute summer 6 34 86.453 0.164 123.3 0.3529 0.0000OK 1.005 7 123.2 2.969 0.476 0.5111

60 minute summer 7 34 85.838 0.188 168.1 0.7371 0.0000OK 1.006 Inlet 01 168.2 3.873 0.606 0.3862

60 minute summer Inlet 01 65 85.372 0.597 168.2 0.0000 0.0000OK Flow through pond Outfall 01 92.0 0.035 0.025 175.7624

60 minute summer Outfall 01 65 85.372 0.622 92.1 0.0000 0.0000SURCHARGED 2.000 10 46.5 0.887 0.191 0.3686

60 minute summer 10 65 85.372 0.872 46.5 2.2193 0.0000SURCHARGED Hydro-Brake® 11 6.5

60 minute summer 11 34 83.234 0.211 315.4 0.7782 0.0000OK 2.002 12 315.0 4.257 0.383 1.6444

60 minute summer 12 35 81.883 0.231 334.7 0.7224 0.0000OK 2.003 13 332.3 3.747 0.427 3.0007

60 minute summer 13 35 81.029 0.811 366.4 2.8843 0.0000SURCHARGED 2.004 14 362.7 2.290 0.451 3.2769

60 minute summer 14 35 80.631 1.681 437.3 8.2062 0.0000FLOOD RISK 2.005 Inlet 02 432.6 2.731 1.224 0.9957

60 minute summer Inlet 02 35 80.422 1.633 432.6 0.0000 0.0000OK Flow through pond Outfall 03 361.8 0.117 0.420 379.8497

60 minute summer 9 34 80.757 0.557 26.5 0.9740 0.0000FLOOD RISK 6.000 Inlet 04 25.0 3.198 1.421 0.0379

60 minute summer Inlet 04 42 79.670 0.371 45.3 0.4792 0.0000OK Flow through pond Outfall 02 39.6 0.073 0.153 27.6867

60 minute summer Outfall 02 43 79.666 0.466 39.6 0.0000 0.0000FLOOD RISK 7.000 Inlet 03 12.2 0.844 1.004 0.1847

60 minute summer Inlet 03 41 79.615 0.826 12.2 0.0000 0.0000OK Flow through pond Outfall 03 361.8 0.117 0.420 379.8497

60 minute summer Outfall 03 53 79.551 0.851 361.8 0.0000 0.0000SURCHARGED 5.000 40 146.4 1.061 0.338 0.8852

60 minute summer 40 53 79.543 0.943 146.4 3.2657 0.0000FLOOD RISK Hydro-Brake® Outfall 04 38.7

Hydro-Brake® Outfall 04 53.9

60 minute summer Outfall 04 44 78.206 0.106 90.6 0.0000 0.0000OK 5.002 J1 105.6 0.304 0.031 1.3326

Page 126: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +40% 60 minute summer

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

60 minute summer J1 42 78.214 0.437 105.6 0.0000 0.0000OK Weir J2 101.2

Orifice J2 0.1

60 minute summer J2 51 78.000 0.456 101.2 0.0000 0.0000OK Weir Outfall 05 104.2 632.7

Orifice Outfall 05 0.1 1.4

60 minute summer Outfall 05 1 77.280 0.000 104.2 0.0000 0.0000OK

Page 127: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +40% 60 minute winter

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 100 year +40% 60 minute winter. 300 minute analysis at 1 minute timestep. Mass balance: 99.67%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

60 minute winter 16 33 91.533 0.113 30.6 0.2641 0.0000OK 3.000 17 30.6 1.871 0.442 0.5693

60 minute winter 17 33 90.888 0.081 37.3 0.1417 0.0000OK 3.001 18 37.3 1.701 0.282 0.4376

60 minute winter 18 33 89.687 0.162 52.3 0.3270 0.0000OK 3.002 19 52.3 1.695 0.751 0.4697

60 minute winter 19 33 89.417 0.164 93.6 0.5308 0.0000OK 3.003 20 93.6 2.577 0.531 1.6080

60 minute winter 20 33 88.290 0.143 93.6 0.2048 0.0000OK 3.004 21 93.6 2.160 0.469 1.3366

60 minute winter 21 33 87.364 0.211 93.6 0.3025 0.0000OK 3.005 22 93.4 1.949 0.764 1.6173

60 minute winter 22 32 86.921 0.176 139.6 0.5736 0.0000OK 3.006 26 139.4 2.686 0.657 2.2086

60 minute winter 26 35 85.729 0.397 169.7 0.9197 0.0000SURCHARGED 3.007 27 165.8 2.818 0.666 0.6109

60 minute winter 27 35 85.387 0.487 169.4 1.2835 0.0000SURCHARGED 3.008 32 169.5 2.407 0.857 1.9047

60 minute winter 28 33 87.830 0.122 20.8 0.2223 0.0000OK 4.000 29 20.8 1.236 0.555 0.2418

60 minute winter 29 33 87.709 0.076 30.0 0.0996 0.0000OK 4.001 30 30.0 2.208 0.246 0.2826

60 minute winter 30 33 86.596 0.093 44.4 0.1250 0.0000OK 4.002 31 44.4 3.087 0.318 0.2789

60 minute winter 31 33 85.207 0.083 44.4 0.0721 0.0000OK 4.003 32 44.4 2.684 0.295 0.2958

60 minute winter 32 34 84.583 0.608 236.4 1.8322 0.0000SURCHARGED 3.009 33 236.1 2.142 1.448 2.1803

60 minute winter 33 35 84.148 0.383 236.1 0.9738 0.0000OK 3.010 8 236.3 1.787 0.912 1.6353

60 minute winter 8 35 84.003 0.318 236.3 0.8084 0.0000OK 3.011 11 236.4 2.527 0.764 6.7237

60 minute winter 1 32 89.388 0.089 22.0 0.1713 0.0000OK 1.000 2 22.4 2.092 0.614 0.2647

60 minute winter 2 36 88.714 0.288 32.8 0.5231 0.0000SURCHARGED 1.001 3 32.6 1.096 0.561 0.4692

60 minute winter 3 36 88.659 0.380 46.1 0.7473 0.0000SURCHARGED 1.002 4 44.2 1.267 0.762 0.5456

60 minute winter 4 36 88.535 0.427 79.6 1.2709 0.0000SURCHARGED 1.003 5 78.2 2.058 1.011 1.6701

60 minute winter 5 35 87.523 0.339 105.2 1.0287 0.0000SURCHARGED 1.004 6 100.8 2.877 0.950 0.7200

60 minute winter 6 35 86.440 0.151 109.2 0.3259 0.0000OK 1.005 7 109.4 2.931 0.423 0.4596

60 minute winter 7 31 85.822 0.172 146.9 0.6723 0.0000OK 1.006 Inlet 01 147.0 3.767 0.530 0.4102

60 minute winter Inlet 01 64 85.442 0.667 147.0 0.0000 0.0000OK Flow through pond Outfall 01 81.1 0.038 0.022 200.6587

60 minute winter Outfall 01 64 85.442 0.692 82.9 0.0000 0.0000SURCHARGED 2.000 10 37.4 0.781 0.153 0.3686

60 minute winter 10 64 85.441 0.941 37.4 2.3954 0.0000SURCHARGED Hydro-Brake® 11 6.5

60 minute winter 11 35 83.220 0.197 272.8 0.7257 0.0000OK 2.002 12 272.9 4.237 0.332 1.3757

60 minute winter 12 35 81.839 0.187 288.8 0.5849 0.0000OK 2.003 13 288.8 3.755 0.371 2.7555

60 minute winter 13 36 80.757 0.539 316.5 1.9185 0.0000SURCHARGED 2.004 14 314.8 1.987 0.392 3.2769

60 minute winter 14 36 80.461 1.511 378.1 7.3764 0.0000SURCHARGED 2.005 Inlet 02 376.9 2.379 1.067 0.9957

60 minute winter Inlet 02 36 80.305 1.517 376.9 0.0000 0.0000OK Flow through pond Outfall 03 324.9 0.109 0.378 426.9100

60 minute winter 9 34 80.498 0.298 21.4 0.5216 0.0000SURCHARGED 6.000 Inlet 04 21.0 2.679 1.190 0.0379

60 minute winter Inlet 04 48 79.699 0.400 37.6 0.5170 0.0000OK Flow through pond Outfall 02 32.2 0.068 0.125 30.9219

60 minute winter Outfall 02 49 79.698 0.498 32.2 0.0000 0.0000FLOOD RISK 7.000 Inlet 03 11.9 0.866 0.977 0.1847

60 minute winter Inlet 03 52 79.671 0.882 11.9 0.0000 0.0000OK Flow through pond Outfall 03 324.9 0.109 0.378 426.9100

60 minute winter Outfall 03 58 79.636 0.936 324.9 0.0000 0.0000FLOOD RISK 5.000 40 92.1 0.918 0.213 0.8852

60 minute winter 40 58 79.628 1.028 92.1 3.5596 0.0000FLOOD RISK Hydro-Brake® Outfall 04 38.7

Hydro-Brake® Outfall 04 53.9

Page 128: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +40% 60 minute winter

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

60 minute winter Outfall 04 46 78.206 0.106 90.9 0.0000 0.0000OK 5.002 J1 108.4 0.313 0.032 1.3376

60 minute winter J1 44 78.215 0.438 108.4 0.0000 0.0000OK Weir J2 102.4

Orifice J2 0.1

60 minute winter J2 44 78.001 0.457 102.5 0.0000 0.0000OK Weir Outfall 05 103.1 703.3

Orifice Outfall 05 0.1 1.4

60 minute winter Outfall 05 1 77.280 0.000 103.1 0.0000 0.0000OK

Page 129: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +40% 120 minute summer

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 100 year +40% 120 minute summer. 360 minute analysis at 2 minute timestep. Mass balance: 99.78%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

120 minute summer 16 64 91.521 0.101 25.6 0.2378 0.0000OK 3.000 17 25.6 1.789 0.370 0.4986

120 minute summer 17 64 90.881 0.074 31.2 0.1290 0.0000OK 3.001 18 31.2 1.661 0.236 0.3780

120 minute summer 18 64 89.667 0.141 43.8 0.2853 0.0000OK 3.002 19 43.8 1.628 0.629 0.4095

120 minute summer 19 64 89.400 0.147 78.4 0.4756 0.0000OK 3.003 20 78.4 2.472 0.445 1.4049

120 minute summer 20 64 88.276 0.129 78.4 0.1852 0.0000OK 3.004 21 78.4 2.089 0.393 1.1629

120 minute summer 21 64 87.339 0.186 78.4 0.2664 0.0000OK 3.005 22 78.4 1.862 0.641 1.4201

120 minute summer 22 64 86.905 0.160 117.1 0.5223 0.0000OK 3.006 26 117.1 2.659 0.552 1.7159

120 minute summer 26 64 85.531 0.199 142.5 0.4620 0.0000OK 3.007 27 142.5 2.820 0.572 0.4486

120 minute summer 27 64 85.114 0.214 145.6 0.5631 0.0000OK 3.008 32 145.5 2.209 0.736 1.6787

120 minute summer 28 64 87.819 0.111 17.4 0.2012 0.0000OK 4.000 29 17.4 1.179 0.464 0.2126

120 minute summer 29 64 87.702 0.069 25.1 0.0904 0.0000OK 4.001 30 25.1 2.114 0.206 0.2469

120 minute summer 30 64 86.587 0.084 37.2 0.1130 0.0000OK 4.002 31 37.2 2.951 0.267 0.2444

120 minute summer 31 64 85.200 0.076 37.2 0.0657 0.0000OK 4.003 32 37.2 2.679 0.247 0.2869

120 minute summer 32 64 84.463 0.488 203.7 1.4707 0.0000SURCHARGED 3.009 33 203.3 1.849 1.247 2.1418

120 minute summer 33 64 84.102 0.337 203.3 0.8588 0.0000OK 3.010 8 203.2 1.734 0.784 1.4522

120 minute summer 8 64 83.971 0.286 203.2 0.7279 0.0000OK 3.011 11 202.6 2.453 0.655 5.9550

120 minute summer 1 64 89.378 0.079 18.5 0.1534 0.0000OK 1.000 2 18.5 2.016 0.507 0.1758

120 minute summer 2 64 88.548 0.122 27.2 0.2222 0.0000OK 1.001 3 27.2 1.076 0.468 0.2977

120 minute summer 3 64 88.431 0.152 38.5 0.2981 0.0000OK 1.002 4 38.5 1.263 0.663 0.4176

120 minute summer 4 64 88.279 0.171 68.8 0.5091 0.0000OK 1.003 5 68.8 2.053 0.889 1.4065

120 minute summer 5 64 87.366 0.183 91.9 0.5541 0.0000OK 1.004 6 91.9 2.829 0.866 0.6433

120 minute summer 6 64 86.431 0.142 99.3 0.3066 0.0000OK 1.005 7 99.3 2.797 0.384 0.4224

120 minute summer 7 64 85.810 0.160 131.4 0.6245 0.0000OK 1.006 Inlet 01 131.4 3.677 0.473 0.3810

120 minute summer Inlet 01 124 85.472 0.697 131.4 0.0000 0.0000OK Flow through pond Outfall 01 69.9 0.024 0.019 211.8480

120 minute summer Outfall 01 124 85.472 0.722 69.9 0.0000 0.0000SURCHARGED 2.000 10 46.5 0.830 0.191 0.3686

120 minute summer 10 124 85.471 0.971 46.5 2.4721 0.0000SURCHARGED Hydro-Brake® 11 6.5

120 minute summer 11 64 83.202 0.179 235.4 0.6595 0.0000OK 2.002 12 234.8 4.053 0.286 1.2404

120 minute summer 12 64 81.828 0.176 248.9 0.5512 0.0000OK 2.003 13 248.9 3.745 0.320 1.9980

120 minute summer 13 66 80.499 0.281 273.3 0.9987 0.0000OK 2.004 14 270.3 1.873 0.336 2.7135

120 minute summer 14 66 80.255 1.305 326.5 6.3714 0.0000SURCHARGED 2.005 Inlet 02 322.3 2.034 0.912 0.9957

120 minute summer Inlet 02 66 80.141 1.353 322.3 0.0000 0.0000OK Flow through pond Outfall 03 247.9 0.083 0.288 409.1371

120 minute summer 9 64 80.283 0.083 18.0 0.1456 0.0000OK 6.000 Inlet 04 18.0 2.540 1.022 0.0358

120 minute summer Inlet 04 84 79.655 0.356 32.1 0.4596 0.0000OK Flow through pond Outfall 02 28.0 0.063 0.109 26.3028

120 minute summer Outfall 02 84 79.653 0.453 28.0 0.0000 0.0000FLOOD RISK 7.000 Inlet 03 10.9 0.808 0.891 0.1847

120 minute summer Inlet 03 84 79.634 0.845 10.9 0.0000 0.0000OK Flow through pond Outfall 03 247.9 0.083 0.288 409.1371

120 minute summer Outfall 03 88 79.605 0.904 247.9 0.0000 0.0000FLOOD RISK 5.000 40 98.5 1.018 0.227 0.8852

120 minute summer 40 88 79.596 0.996 98.5 3.4496 0.0000FLOOD RISK Hydro-Brake® Outfall 04 38.7

Hydro-Brake® Outfall 04 53.9

120 minute summer Outfall 04 80 78.206 0.106 90.9 0.0000 0.0000OK 5.002 J1 111.0 0.320 0.033 1.3351

Page 130: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +40% 120 minute summer

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

120 minute summer J1 78 78.215 0.438 111.0 0.0000 0.0000OK Weir J2 100.8

Orifice J2 0.1

120 minute summer J2 78 78.000 0.456 100.9 0.0000 0.0000OK Weir Outfall 05 103.6 814.8

Orifice Outfall 05 0.1 1.7

120 minute summer Outfall 05 2 77.280 0.000 103.6 0.0000 0.0000OK

Page 131: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +40% 120 minute winter

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 100 year +40% 120 minute winter. 360 minute analysis at 2 minute timestep. Mass balance: 99.79%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

120 minute winter 16 64 91.508 0.088 19.8 0.2057 0.0000OK 3.000 17 19.8 1.672 0.286 0.4129

120 minute winter 17 64 90.872 0.065 24.2 0.1130 0.0000OK 3.001 18 24.2 1.590 0.183 0.3082

120 minute winter 18 64 89.644 0.119 33.9 0.2393 0.0000OK 3.002 19 33.9 1.533 0.487 0.3365

120 minute winter 19 64 89.380 0.127 60.6 0.4089 0.0000OK 3.003 20 60.6 2.318 0.344 1.1582

120 minute winter 20 64 88.259 0.112 60.6 0.1608 0.0000OK 3.004 21 60.6 1.972 0.304 0.9548

120 minute winter 21 64 87.311 0.158 60.6 0.2256 0.0000OK 3.005 22 60.6 1.760 0.496 1.1621

120 minute winter 22 64 86.882 0.137 90.5 0.4474 0.0000OK 3.006 26 90.5 2.542 0.426 1.3890

120 minute winter 26 64 85.497 0.165 110.1 0.3834 0.0000OK 3.007 27 110.1 2.781 0.442 0.3435

120 minute winter 27 64 85.064 0.164 112.5 0.4316 0.0000OK 3.008 32 112.5 2.208 0.569 1.4127

120 minute winter 28 64 87.804 0.096 13.5 0.1753 0.0000OK 4.000 29 13.5 1.099 0.360 0.1774

120 minute winter 29 64 87.693 0.060 19.4 0.0792 0.0000OK 4.001 30 19.4 1.978 0.159 0.2040

120 minute winter 30 64 86.576 0.073 28.7 0.0979 0.0000OK 4.002 31 28.7 2.758 0.206 0.2018

120 minute winter 31 64 85.190 0.066 28.7 0.0574 0.0000OK 4.003 32 28.7 2.702 0.191 0.1631

120 minute winter 32 64 84.311 0.336 157.4 1.0126 0.0000OK 3.009 33 157.2 1.607 0.964 1.9656

120 minute winter 33 64 84.049 0.284 157.2 0.7216 0.0000OK 3.010 8 157.1 1.630 0.607 1.1972

120 minute winter 8 64 83.929 0.244 157.1 0.6198 0.0000OK 3.011 11 157.0 2.327 0.507 4.8868

120 minute winter 1 64 89.367 0.068 14.2 0.1307 0.0000OK 1.000 2 14.2 1.891 0.389 0.1439

120 minute winter 2 64 88.528 0.102 20.9 0.1850 0.0000OK 1.001 3 20.9 1.046 0.360 0.2357

120 minute winter 3 64 88.404 0.125 29.6 0.2449 0.0000OK 1.002 4 29.6 1.220 0.510 0.3327

120 minute winter 4 64 88.248 0.140 52.9 0.4164 0.0000OK 1.003 5 52.9 1.983 0.684 1.1200

120 minute winter 5 64 87.330 0.147 70.7 0.4442 0.0000OK 1.004 6 70.7 2.725 0.666 0.5148

120 minute winter 6 64 86.410 0.121 76.4 0.2606 0.0000OK 1.005 7 76.4 2.691 0.295 0.3411

120 minute winter 7 62 85.785 0.135 101.1 0.5286 0.0000OK 1.006 Inlet 01 101.3 3.455 0.365 0.4133

120 minute winter Inlet 01 122 85.556 0.781 101.3 0.0000 0.0000OK Flow through pond Outfall 01 54.1 0.026 0.015 244.0648

120 minute winter Outfall 01 122 85.556 0.806 57.3 0.0000 0.0000SURCHARGED 2.000 10 46.6 0.790 0.191 0.3686

120 minute winter 10 122 85.556 1.056 46.6 2.6864 0.0000SURCHARGED Hydro-Brake® 11 6.7

120 minute winter 11 64 83.177 0.154 183.8 0.5670 0.0000OK 2.002 12 183.6 3.760 0.223 1.0457

120 minute winter 12 64 81.811 0.159 194.5 0.4981 0.0000OK 2.003 13 194.5 3.736 0.250 1.4095

120 minute winter 13 66 80.407 0.189 213.3 0.6725 0.0000OK 2.004 14 212.6 1.653 0.265 2.2915

120 minute winter 14 70 80.098 1.148 255.9 5.6049 0.0000SURCHARGED 2.005 Inlet 02 253.6 1.601 0.718 0.9957

120 minute winter Inlet 02 72 80.037 1.248 253.6 0.0000 0.0000OK Flow through pond Outfall 03 191.8 0.078 0.223 450.7316

120 minute winter 9 64 80.267 0.067 13.8 0.1173 0.0000OK 6.000 Inlet 04 13.8 2.477 0.783 0.0270

120 minute winter Inlet 04 96 79.705 0.406 24.7 0.5246 0.0000OK Flow through pond Outfall 02 21.6 0.059 0.084 31.6077

120 minute winter Outfall 02 96 79.704 0.504 21.6 0.0000 0.0000FLOOD RISK 7.000 Inlet 03 11.2 0.814 0.922 0.1847

120 minute winter Inlet 03 94 79.694 0.905 11.2 0.0000 0.0000OK Flow through pond Outfall 03 191.8 0.078 0.223 450.7316

120 minute winter Outfall 03 92 79.678 0.978 213.8 0.0000 0.0000FLOOD RISK 5.000 40 119.9 1.017 0.277 0.8852

120 minute winter 40 92 79.669 1.069 119.9 3.7037 0.0000FLOOD RISK Hydro-Brake® Outfall 04 39.2

Hydro-Brake® Outfall 04 53.9

Page 132: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +40% 120 minute winter

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

120 minute winter Outfall 04 74 78.206 0.106 91.8 0.0000 0.0000OK 5.002 J1 109.1 0.314 0.032 1.3388

120 minute winter J1 90 78.216 0.439 109.1 0.0000 0.0000OK Weir J2 102.1

Orifice J2 0.1

120 minute winter J2 90 78.001 0.457 102.2 0.0000 0.0000OK Weir Outfall 05 105.3 899.3

Orifice Outfall 05 0.1 1.7

120 minute winter Outfall 05 2 77.280 0.000 105.3 0.0000 0.0000OK

Page 133: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +40% 180 minute summer

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 100 year +40% 180 minute summer. 420 minute analysis at 4 minute timestep. Mass balance: 99.83%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

180 minute summer 16 96 91.507 0.087 19.4 0.2034 0.0000OK 3.000 17 19.4 1.663 0.280 0.4067

180 minute summer 17 96 90.871 0.064 23.7 0.1118 0.0000OK 3.001 18 23.7 1.584 0.179 0.3032

180 minute summer 18 96 89.642 0.117 33.2 0.2361 0.0000OK 3.002 19 33.2 1.526 0.477 0.3312

180 minute summer 19 96 89.378 0.125 59.3 0.4039 0.0000OK 3.003 20 59.3 2.305 0.337 1.1397

180 minute summer 20 96 88.258 0.111 59.3 0.1590 0.0000OK 3.004 21 59.3 1.961 0.297 0.9394

180 minute summer 21 96 87.309 0.156 59.3 0.2226 0.0000OK 3.005 22 59.3 1.752 0.485 1.1427

180 minute summer 22 96 86.880 0.135 88.5 0.4416 0.0000OK 3.006 26 88.5 2.531 0.417 1.3643

180 minute summer 26 96 85.495 0.163 107.7 0.3776 0.0000OK 3.007 27 107.7 2.770 0.432 0.3373

180 minute summer 27 96 85.062 0.162 110.0 0.4256 0.0000OK 3.008 32 110.0 2.204 0.556 1.3780

180 minute summer 28 96 87.803 0.095 13.2 0.1732 0.0000OK 4.000 29 13.2 1.091 0.352 0.1747

180 minute summer 29 96 87.693 0.060 19.0 0.0784 0.0000OK 4.001 30 19.0 1.968 0.156 0.2009

180 minute summer 30 96 86.575 0.072 28.1 0.0968 0.0000OK 4.002 31 28.1 2.743 0.201 0.1987

180 minute summer 31 92 85.190 0.066 28.1 0.0570 0.0000OK 4.003 32 28.1 2.648 0.187 0.1511

180 minute summer 32 96 84.302 0.327 154.0 0.9855 0.0000OK 3.009 33 154.0 1.607 0.944 1.9269

180 minute summer 33 96 84.045 0.280 154.0 0.7122 0.0000OK 3.010 8 154.0 1.621 0.595 1.1794

180 minute summer 8 96 83.926 0.241 154.0 0.6126 0.0000OK 3.011 11 154.0 2.319 0.498 4.8137

180 minute summer 1 96 89.366 0.067 13.9 0.1291 0.0000OK 1.000 2 13.9 1.881 0.381 0.1416

180 minute summer 2 96 88.526 0.100 20.5 0.1827 0.0000OK 1.001 3 20.5 1.044 0.353 0.2318

180 minute summer 3 96 88.402 0.123 29.0 0.2415 0.0000OK 1.002 4 29.0 1.215 0.499 0.3274

180 minute summer 4 96 88.246 0.138 51.9 0.4110 0.0000OK 1.003 5 51.9 1.977 0.671 1.1022

180 minute summer 5 96 87.327 0.144 69.3 0.4377 0.0000OK 1.004 6 69.3 2.714 0.653 0.5066

180 minute summer 6 96 86.408 0.119 74.9 0.2573 0.0000OK 1.005 7 74.9 2.649 0.290 0.3365

180 minute summer 7 96 85.784 0.134 99.1 0.5242 0.0000OK 1.006 Inlet 01 99.1 3.445 0.357 0.3828

180 minute summer Inlet 01 184 85.504 0.729 99.1 0.0000 0.0000OK Flow through pond Outfall 01 53.1 0.020 0.014 223.9972

180 minute summer Outfall 01 184 85.504 0.754 53.1 0.0000 0.0000SURCHARGED 2.000 10 45.4 0.824 0.186 0.3686

180 minute summer 10 184 85.504 1.004 45.4 2.5543 0.0000SURCHARGED Hydro-Brake® 11 6.5

180 minute summer 11 96 83.175 0.152 180.3 0.5605 0.0000OK 2.002 12 180.3 3.725 0.219 1.0338

180 minute summer 12 96 81.810 0.158 191.0 0.4955 0.0000OK 2.003 13 191.0 3.706 0.246 1.3539

180 minute summer 13 96 80.397 0.179 209.4 0.6365 0.0000OK 2.004 14 209.0 1.642 0.260 2.2453

180 minute summer 14 100 80.025 1.075 251.4 5.2477 0.0000SURCHARGED 2.005 Inlet 02 249.3 1.574 0.705 0.9957

180 minute summer Inlet 02 100 79.967 1.178 249.3 0.0000 0.0000OK Flow through pond Outfall 03 184.4 0.067 0.214 402.3362

180 minute summer 9 96 80.266 0.066 13.6 0.1161 0.0000OK 6.000 Inlet 04 13.6 2.470 0.772 0.0267

180 minute summer Inlet 04 120 79.635 0.336 24.3 0.4339 0.0000OK Flow through pond Outfall 02 21.8 0.059 0.085 24.3271

180 minute summer Outfall 02 120 79.633 0.433 21.8 0.0000 0.0000FLOOD RISK 7.000 Inlet 03 10.8 0.812 0.883 0.1847

180 minute summer Inlet 03 120 79.617 0.829 10.8 0.0000 0.0000OK Flow through pond Outfall 03 184.4 0.067 0.214 402.3362

180 minute summer Outfall 03 124 79.592 0.892 184.4 0.0000 0.0000SURCHARGED 5.000 40 125.6 0.948 0.290 0.8852

180 minute summer 40 124 79.584 0.984 125.6 3.4073 0.0000FLOOD RISK Hydro-Brake® Outfall 04 38.7

Hydro-Brake® Outfall 04 53.9

180 minute summer Outfall 04 112 78.206 0.106 90.9 0.0000 0.0000OK 5.002 J1 101.4 0.292 0.030 1.3253

Page 134: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +40% 180 minute summer

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

180 minute summer J1 100 78.212 0.435 101.4 0.0000 0.0000OK Weir J2 99.3

Orifice J2 0.1

180 minute summer J2 120 77.998 0.454 99.4 0.0000 0.0000OK Weir Outfall 05 103.1 916.0

Orifice Outfall 05 0.1 2.0

180 minute summer Outfall 05 4 77.280 0.000 103.1 0.0000 0.0000OK

Page 135: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +40% 180 minute winter

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 100 year +40% 180 minute winter. 420 minute analysis at 4 minute timestep. Mass balance: 99.83%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

180 minute winter 16 96 91.495 0.075 14.9 0.1764 0.0000OK 3.000 17 14.9 1.548 0.215 0.3358

180 minute winter 17 96 90.863 0.056 18.2 0.0978 0.0000OK 3.001 18 18.2 1.498 0.138 0.2470

180 minute winter 18 96 89.624 0.099 25.5 0.2001 0.0000OK 3.002 19 25.5 1.430 0.366 0.2715

180 minute winter 19 96 89.361 0.108 45.6 0.3487 0.0000OK 3.003 20 45.6 2.152 0.259 0.9390

180 minute winter 20 96 88.244 0.097 45.6 0.1384 0.0000OK 3.004 21 45.6 1.839 0.228 0.7715

180 minute winter 21 96 87.286 0.133 45.6 0.1903 0.0000OK 3.005 22 45.6 1.644 0.373 0.9367

180 minute winter 22 96 86.862 0.117 68.1 0.3811 0.0000OK 3.006 26 68.1 2.405 0.321 1.1052

180 minute winter 26 96 85.469 0.137 82.9 0.3170 0.0000OK 3.007 27 82.9 2.627 0.333 0.2738

180 minute winter 27 96 85.039 0.139 84.7 0.3655 0.0000OK 3.008 32 84.7 2.206 0.428 1.0449

180 minute winter 28 96 87.791 0.083 10.1 0.1504 0.0000OK 4.000 29 10.1 1.010 0.269 0.1447

180 minute winter 29 96 87.685 0.052 14.6 0.0687 0.0000OK 4.001 30 14.6 1.851 0.120 0.1641

180 minute winter 30 96 86.565 0.062 21.6 0.0830 0.0000OK 4.002 31 21.6 2.474 0.155 0.1692

180 minute winter 31 96 85.185 0.061 21.6 0.0528 0.0000OK 4.003 32 21.6 2.601 0.143 0.0926

180 minute winter 32 96 84.234 0.259 118.5 0.7813 0.0000OK 3.009 33 118.5 1.549 0.727 1.5435

180 minute winter 33 96 84.003 0.238 118.5 0.6049 0.0000OK 3.010 8 118.5 1.520 0.457 0.9686

180 minute winter 8 96 83.892 0.207 118.5 0.5259 0.0000OK 3.011 11 118.5 2.180 0.383 3.9515

180 minute winter 1 96 89.357 0.058 10.7 0.1112 0.0000OK 1.000 2 10.7 1.759 0.293 0.1165

180 minute winter 2 96 88.511 0.085 15.8 0.1553 0.0000OK 1.001 3 15.8 0.998 0.272 0.1869

180 minute winter 3 96 88.383 0.104 22.4 0.2041 0.0000OK 1.002 4 22.4 1.157 0.386 0.2657

180 minute winter 4 96 88.225 0.117 40.0 0.3479 0.0000OK 1.003 5 40.0 1.878 0.517 0.8946

180 minute winter 5 96 87.304 0.121 53.4 0.3669 0.0000OK 1.004 6 53.4 2.570 0.503 0.4123

180 minute winter 6 96 86.392 0.103 57.7 0.2223 0.0000OK 1.005 7 57.7 2.578 0.223 0.2708

180 minute winter 7 92 85.763 0.113 76.4 0.4434 0.0000OK 1.006 Inlet 01 76.5 3.189 0.275 0.4007

180 minute winter Inlet 01 180 85.594 0.819 76.5 0.0000 0.0000OK Flow through pond Outfall 01 41.5 0.022 0.011 259.0029

180 minute winter Outfall 01 180 85.594 0.844 41.5 0.0000 0.0000SURCHARGED 2.000 10 47.1 0.888 0.193 0.3686

180 minute winter 10 180 85.593 1.093 47.1 2.7829 0.0000SURCHARGED Hydro-Brake® 11 6.8

180 minute winter 11 96 83.154 0.131 140.3 0.4844 0.0000OK 2.002 12 140.3 3.467 0.171 0.8644

180 minute winter 12 96 81.793 0.141 148.5 0.4418 0.0000OK 2.003 13 148.4 3.599 0.191 1.0308

180 minute winter 13 96 80.353 0.135 162.6 0.4814 0.0000OK 2.004 14 162.6 1.528 0.202 2.0527

180 minute winter 14 108 79.952 1.002 195.3 4.8921 0.0000SURCHARGED 2.005 Inlet 02 193.9 1.366 0.549 0.9957

180 minute winter Inlet 02 108 79.921 1.132 193.9 0.0000 0.0000OK Flow through pond Outfall 03 151.0 0.064 0.176 432.9120

180 minute winter 9 96 80.256 0.056 10.4 0.0972 0.0000OK 6.000 Inlet 04 10.4 2.331 0.590 0.0216

180 minute winter Inlet 04 136 79.679 0.380 18.6 0.4907 0.0000OK Flow through pond Outfall 02 17.2 0.056 0.067 28.7873

180 minute winter Outfall 02 136 79.678 0.478 17.2 0.0000 0.0000FLOOD RISK 7.000 Inlet 03 10.5 0.813 0.858 0.1847

180 minute winter Inlet 03 132 79.666 0.877 10.5 0.0000 0.0000OK Flow through pond Outfall 03 151.0 0.064 0.176 432.9120

180 minute winter Outfall 03 132 79.647 0.947 151.0 0.0000 0.0000FLOOD RISK 5.000 40 91.3 0.903 0.211 0.8852

180 minute winter 40 132 79.638 1.038 91.3 3.5968 0.0000FLOOD RISK Hydro-Brake® Outfall 04 38.7

Hydro-Brake® Outfall 04 53.9

Page 136: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +40% 180 minute winter

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

180 minute winter Outfall 04 124 78.206 0.106 90.9 0.0000 0.0000OK 5.002 J1 107.9 0.312 0.032 1.3356

180 minute winter J1 112 78.215 0.438 107.9 0.0000 0.0000OK Weir J2 100.6

Orifice J2 0.1

180 minute winter J2 112 77.999 0.455 100.6 0.0000 0.0000OK Weir Outfall 05 103.8 1023.1

Orifice Outfall 05 0.1 2.0

180 minute winter Outfall 05 4 77.280 0.000 103.8 0.0000 0.0000OK

Page 137: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +40% 240 minute summer

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 100 year +40% 240 minute summer. 480 minute analysis at 4 minute timestep. Mass balance: 99.87%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

240 minute summer 16 124 91.499 0.079 16.4 0.1854 0.0000OK 3.000 17 16.3 1.589 0.236 0.3587

240 minute summer 17 124 90.866 0.059 19.9 0.1023 0.0000OK 3.001 18 19.9 1.528 0.150 0.2641

240 minute summer 18 124 89.630 0.105 27.9 0.2110 0.0000OK 3.002 19 27.8 1.457 0.399 0.2900

240 minute summer 19 124 89.366 0.113 50.0 0.3663 0.0000OK 3.003 20 49.8 2.203 0.283 1.0009

240 minute summer 20 124 88.248 0.101 49.8 0.1446 0.0000OK 3.004 21 49.6 1.881 0.248 0.8200

240 minute summer 21 124 87.292 0.139 49.6 0.1995 0.0000OK 3.005 22 49.3 1.672 0.403 0.9958

240 minute summer 22 124 86.867 0.122 74.1 0.3990 0.0000OK 3.006 26 73.9 2.443 0.348 1.1804

240 minute summer 26 124 85.476 0.144 90.2 0.3345 0.0000OK 3.007 27 89.9 2.671 0.361 0.2921

240 minute summer 27 124 85.045 0.145 91.9 0.3828 0.0000OK 3.008 32 91.7 2.205 0.464 1.1333

240 minute summer 28 124 87.795 0.087 11.2 0.1586 0.0000OK 4.000 29 11.2 1.040 0.298 0.1551

240 minute summer 29 124 87.688 0.055 16.1 0.0719 0.0000OK 4.001 30 16.0 1.899 0.131 0.1755

240 minute summer 30 124 86.568 0.065 23.7 0.0871 0.0000OK 4.002 31 23.7 2.533 0.170 0.1811

240 minute summer 31 124 85.188 0.064 23.7 0.0554 0.0000OK 4.003 32 23.6 2.661 0.157 0.0988

240 minute summer 32 124 84.250 0.275 128.8 0.8294 0.0000OK 3.009 33 128.2 1.571 0.786 1.6446

240 minute summer 33 124 84.014 0.249 128.2 0.6343 0.0000OK 3.010 8 127.9 1.550 0.494 1.0254

240 minute summer 8 124 83.901 0.216 127.9 0.5486 0.0000OK 3.011 11 127.2 2.216 0.411 4.1688

240 minute summer 1 124 89.360 0.061 11.8 0.1173 0.0000OK 1.000 2 11.8 1.802 0.322 0.1250

240 minute summer 2 124 88.516 0.090 17.4 0.1643 0.0000OK 1.001 3 17.3 1.016 0.298 0.2011

240 minute summer 3 124 88.389 0.110 24.5 0.2157 0.0000OK 1.002 4 24.4 1.175 0.420 0.2848

240 minute summer 4 124 88.232 0.124 43.8 0.3674 0.0000OK 1.003 5 43.6 1.911 0.563 0.9580

240 minute summer 5 124 87.311 0.128 58.4 0.3880 0.0000OK 1.004 6 58.1 2.617 0.548 0.4406

240 minute summer 6 124 86.397 0.108 62.9 0.2320 0.0000OK 1.005 7 62.8 2.577 0.243 0.2932

240 minute summer 7 124 85.771 0.121 83.3 0.4729 0.0000OK 1.006 Inlet 01 83.2 3.300 0.300 0.3804

240 minute summer Inlet 01 240 85.509 0.734 83.2 0.0000 0.0000OK Flow through pond Outfall 01 44.9 0.018 0.012 225.7888

240 minute summer Outfall 01 240 85.509 0.759 44.9 0.0000 0.0000SURCHARGED 2.000 10 39.0 0.742 0.160 0.3686

240 minute summer 10 240 85.508 1.008 39.0 2.5664 0.0000SURCHARGED Hydro-Brake® 11 6.5

240 minute summer 11 124 83.159 0.136 150.3 0.5027 0.0000OK 2.002 12 149.8 3.517 0.182 0.9100

240 minute summer 12 124 81.798 0.146 158.8 0.4586 0.0000OK 2.003 13 158.5 3.655 0.204 1.0834

240 minute summer 13 124 80.358 0.140 174.1 0.4983 0.0000OK 2.004 14 173.8 1.454 0.216 2.0731

240 minute summer 14 128 79.912 0.962 209.8 4.6953 0.0000SURCHARGED 2.005 Inlet 02 207.0 1.306 0.586 0.9957

240 minute summer Inlet 02 132 79.866 1.078 207.0 0.0000 0.0000OK Flow through pond Outfall 03 158.9 0.060 0.185 385.4146

240 minute summer 9 124 80.259 0.059 11.5 0.1035 0.0000OK 6.000 Inlet 04 11.5 2.384 0.652 0.0234

240 minute summer Inlet 04 156 79.607 0.308 20.5 0.3979 0.0000OK Flow through pond Outfall 02 19.0 0.057 0.074 21.6928

240 minute summer Outfall 02 156 79.605 0.405 19.0 0.0000 0.0000FLOOD RISK 7.000 Inlet 03 10.4 0.812 0.854 0.1847

240 minute summer Inlet 03 156 79.588 0.800 10.4 0.0000 0.0000OK Flow through pond Outfall 03 158.9 0.060 0.185 385.4146

240 minute summer Outfall 03 156 79.561 0.861 158.9 0.0000 0.0000SURCHARGED 5.000 40 93.7 0.906 0.216 0.8852

240 minute summer 40 156 79.553 0.953 93.7 3.3004 0.0000FLOOD RISK Hydro-Brake® Outfall 04 38.7

Hydro-Brake® Outfall 04 53.9

240 minute summer Outfall 04 140 78.206 0.106 90.7 0.0000 0.0000OK 5.002 J1 108.0 0.311 0.032 1.3367

Page 138: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +40% 240 minute summer

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

240 minute summer J1 148 78.215 0.438 108.0 0.0000 0.0000OK Weir J2 99.9

Orifice J2 0.1

240 minute summer J2 148 77.999 0.455 100.0 0.0000 0.0000OK Weir Outfall 05 98.7 1009.2

Orifice Outfall 05 0.1 2.3

240 minute summer Outfall 05 4 77.280 0.000 98.7 0.0000 0.0000OK

Page 139: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +40% 240 minute winter

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 100 year +40% 240 minute winter. 480 minute analysis at 4 minute timestep. Mass balance: 99.87%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

240 minute winter 16 124 91.488 0.068 12.2 0.1586 0.0000OK 3.000 17 12.2 1.466 0.176 0.2904

240 minute winter 17 124 90.858 0.051 14.9 0.0885 0.0000OK 3.001 18 14.9 1.431 0.113 0.2119

240 minute winter 18 124 89.613 0.088 20.9 0.1777 0.0000OK 3.002 19 20.9 1.358 0.300 0.2340

240 minute winter 19 124 89.350 0.097 37.4 0.3131 0.0000OK 3.003 20 37.3 2.040 0.212 0.8115

240 minute winter 20 124 88.234 0.087 37.3 0.1248 0.0000OK 3.004 21 37.3 1.747 0.187 0.6648

240 minute winter 21 124 87.272 0.119 37.3 0.1698 0.0000OK 3.005 22 37.3 1.561 0.305 0.8067

240 minute winter 22 124 86.850 0.105 55.8 0.3421 0.0000OK 3.006 26 55.8 2.308 0.263 0.9434

240 minute winter 26 124 85.452 0.120 67.9 0.2791 0.0000OK 3.007 27 67.8 2.508 0.272 0.2346

240 minute winter 27 124 85.025 0.125 69.3 0.3281 0.0000OK 3.008 32 69.3 2.209 0.351 0.8539

240 minute winter 28 124 87.783 0.075 8.3 0.1360 0.0000OK 4.000 29 8.3 0.954 0.221 0.1259

240 minute winter 29 124 87.681 0.047 12.0 0.0622 0.0000OK 4.001 30 12.0 1.753 0.098 0.1422

240 minute winter 30 124 86.559 0.056 17.7 0.0748 0.0000OK 4.002 31 17.7 2.350 0.127 0.1458

240 minute winter 31 124 85.179 0.055 17.7 0.0474 0.0000OK 4.003 32 17.7 2.465 0.117 0.0799

240 minute winter 32 124 84.201 0.226 97.0 0.6806 0.0000OK 3.009 33 96.8 1.483 0.594 1.3184

240 minute winter 33 124 83.976 0.211 96.8 0.5363 0.0000OK 3.010 8 96.8 1.446 0.374 0.8321

240 minute winter 8 124 83.869 0.184 96.8 0.4694 0.0000OK 3.011 11 96.7 2.068 0.312 3.4037

240 minute winter 1 124 89.351 0.052 8.8 0.0999 0.0000OK 1.000 2 8.8 1.670 0.241 0.1009

240 minute winter 2 124 88.502 0.076 13.0 0.1383 0.0000OK 1.001 3 13.0 0.962 0.224 0.1595

240 minute winter 3 124 88.371 0.092 18.4 0.1808 0.0000OK 1.002 4 18.4 1.109 0.316 0.2273

240 minute winter 4 124 88.212 0.104 32.8 0.3088 0.0000OK 1.003 5 32.7 1.796 0.423 0.7655

240 minute winter 5 124 87.290 0.107 43.7 0.3238 0.0000OK 1.004 6 43.7 2.454 0.412 0.3533

240 minute winter 6 124 86.381 0.092 47.2 0.1988 0.0000OK 1.005 7 47.2 2.490 0.182 0.2280

240 minute winter 7 116 85.750 0.100 62.5 0.3900 0.0000OK 1.006 Inlet 01 62.5 3.028 0.225 0.3910

240 minute winter Inlet 01 236 85.608 0.833 62.5 0.0000 0.0000OK Flow through pond Outfall 01 34.4 0.020 0.009 264.6059

240 minute winter Outfall 01 236 85.608 0.858 42.0 0.0000 0.0000SURCHARGED 2.000 10 47.6 0.844 0.195 0.3686

240 minute winter 10 236 85.608 1.108 47.6 2.8186 0.0000SURCHARGED Hydro-Brake® 11 6.8

240 minute winter 11 124 83.141 0.118 115.5 0.4358 0.0000OK 2.002 12 115.4 3.314 0.140 0.7441

240 minute winter 12 124 81.779 0.127 122.1 0.3964 0.0000OK 2.003 13 122.1 3.423 0.157 0.8909

240 minute winter 13 124 80.340 0.122 133.7 0.4353 0.0000OK 2.004 14 133.6 1.478 0.166 1.9985

240 minute winter 14 144 79.855 0.905 160.4 4.4149 0.0000SURCHARGED 2.005 Inlet 02 159.2 1.289 0.451 0.9957

240 minute winter Inlet 02 144 79.835 1.046 159.2 0.0000 0.0000OK Flow through pond Outfall 03 130.9 0.057 0.152 403.7744

240 minute winter 9 124 80.250 0.050 8.6 0.0867 0.0000OK 6.000 Inlet 04 8.6 2.225 0.488 0.0187

240 minute winter Inlet 04 168 79.635 0.336 15.3 0.4344 0.0000OK Flow through pond Outfall 02 14.5 0.053 0.056 24.3714

240 minute winter Outfall 02 168 79.634 0.434 14.5 0.0000 0.0000FLOOD RISK 7.000 Inlet 03 9.9 0.816 0.811 0.1847

240 minute winter Inlet 03 168 79.619 0.830 9.9 0.0000 0.0000OK Flow through pond Outfall 03 130.9 0.057 0.152 403.7744

240 minute winter Outfall 03 164 79.595 0.895 130.9 0.0000 0.0000SURCHARGED 5.000 40 138.1 1.066 0.319 0.8852

240 minute winter 40 164 79.586 0.986 138.1 3.4164 0.0000FLOOD RISK Hydro-Brake® Outfall 04 38.7

Hydro-Brake® Outfall 04 53.9

Page 140: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +40% 240 minute winter

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

240 minute winter Outfall 04 144 78.206 0.106 90.9 0.0000 0.0000OK 5.002 J1 106.3 0.306 0.031 1.3373

240 minute winter J1 160 78.215 0.438 106.3 0.0000 0.0000OK Weir J2 101.5

Orifice J2 0.1

240 minute winter J2 160 78.001 0.457 101.6 0.0000 0.0000OK Weir Outfall 05 104.9 1127.2

Orifice Outfall 05 0.1 2.3

240 minute winter Outfall 05 4 77.280 0.000 104.9 0.0000 0.0000OK

Page 141: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +40% 360 minute summer

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 100 year +40% 360 minute summer. 600 minute analysis at 8 minute timestep. Mass balance: 99.93%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

360 minute summer 16 184 91.489 0.069 12.6 0.1611 0.0000OK 3.000 17 12.5 1.477 0.181 0.2964

360 minute summer 17 184 90.859 0.052 15.3 0.0896 0.0000OK 3.001 18 15.3 1.440 0.116 0.2162

360 minute summer 18 184 89.614 0.089 21.5 0.1804 0.0000OK 3.002 19 21.4 1.366 0.307 0.2385

360 minute summer 19 184 89.351 0.098 38.4 0.3174 0.0000OK 3.003 20 38.2 2.053 0.217 0.8251

360 minute summer 20 184 88.235 0.088 38.2 0.1261 0.0000OK 3.004 21 38.1 1.759 0.191 0.6737

360 minute summer 21 184 87.273 0.120 38.1 0.1713 0.0000OK 3.005 22 37.9 1.565 0.310 0.8167

360 minute summer 22 184 86.851 0.106 56.9 0.3451 0.0000OK 3.006 26 56.6 2.313 0.267 0.9559

360 minute summer 26 184 85.454 0.122 69.1 0.2821 0.0000OK 3.007 27 68.9 2.518 0.277 0.2375

360 minute summer 27 184 85.026 0.126 70.4 0.3307 0.0000OK 3.008 32 70.3 2.203 0.356 0.8671

360 minute summer 28 184 87.784 0.076 8.6 0.1383 0.0000OK 4.000 29 8.6 0.963 0.228 0.1288

360 minute summer 29 184 87.681 0.048 12.4 0.0631 0.0000OK 4.001 30 12.3 1.767 0.101 0.1452

360 minute summer 30 184 86.559 0.056 18.2 0.0760 0.0000OK 4.002 31 18.2 2.367 0.130 0.1489

360 minute summer 31 184 85.180 0.056 18.2 0.0481 0.0000OK 4.003 32 18.1 2.482 0.120 0.0815

360 minute summer 32 184 84.203 0.228 98.7 0.6874 0.0000OK 3.009 33 98.1 1.486 0.602 1.3331

360 minute summer 33 184 83.977 0.212 98.1 0.5403 0.0000OK 3.010 8 98.0 1.451 0.378 0.8389

360 minute summer 8 184 83.870 0.185 98.0 0.4717 0.0000OK 3.011 11 97.3 2.070 0.314 3.4224

360 minute summer 1 184 89.352 0.053 9.1 0.1015 0.0000OK 1.000 2 9.1 1.683 0.248 0.1031

360 minute summer 2 184 88.503 0.077 13.4 0.1404 0.0000OK 1.001 3 13.3 0.968 0.229 0.1625

360 minute summer 3 184 88.372 0.093 18.8 0.1832 0.0000OK 1.002 4 18.7 1.112 0.323 0.2314

360 minute summer 4 184 88.213 0.105 33.6 0.3132 0.0000OK 1.003 5 33.5 1.805 0.433 0.7786

360 minute summer 5 184 87.291 0.108 44.8 0.3278 0.0000OK 1.004 6 44.5 2.465 0.420 0.3587

360 minute summer 6 184 86.382 0.093 48.2 0.1993 0.0000OK 1.005 7 48.2 2.436 0.186 0.2384

360 minute summer 7 184 85.754 0.104 63.9 0.4063 0.0000OK 1.006 Inlet 01 63.7 3.086 0.230 0.3706

360 minute summer Inlet 01 320 85.497 0.722 63.7 0.0000 0.0000OK Flow through pond Outfall 01 35.0 0.017 0.009 221.3045

360 minute summer Outfall 01 320 85.497 0.747 38.5 0.0000 0.0000SURCHARGED 2.000 10 -24.7 0.464 -0.101 0.3686

360 minute summer 10 320 85.496 0.996 17.7 2.5361 0.0000SURCHARGED Hydro-Brake® 11 6.5

360 minute summer 11 184 83.142 0.119 116.3 0.4369 0.0000OK 2.002 12 115.9 3.315 0.141 0.7467

360 minute summer 12 184 81.779 0.127 122.8 0.3974 0.0000OK 2.003 13 122.5 3.424 0.158 0.8941

360 minute summer 13 184 80.341 0.123 134.5 0.4365 0.0000OK 2.004 14 134.3 1.369 0.167 1.9998

360 minute summer 14 192 79.764 0.814 161.9 3.9722 0.0000SURCHARGED 2.005 Inlet 02 159.8 1.150 0.452 0.9957

360 minute summer Inlet 02 192 79.739 0.951 159.8 0.0000 0.0000OK Flow through pond Outfall 03 125.9 0.054 0.146 350.0802

360 minute summer 9 184 80.250 0.050 8.8 0.0878 0.0000OK 6.000 Inlet 04 8.8 2.237 0.499 0.0190

360 minute summer Inlet 04 216 79.551 0.252 15.7 0.3257 0.0000OK Flow through pond Outfall 02 15.1 0.054 0.058 16.6943

360 minute summer Outfall 02 216 79.546 0.346 15.1 0.0000 0.0000SURCHARGED 7.000 Inlet 03 9.3 0.818 0.763 0.1847

360 minute summer Inlet 03 216 79.527 0.739 9.3 0.0000 0.0000OK Flow through pond Outfall 03 125.9 0.054 0.146 350.0802

360 minute summer Outfall 03 216 79.496 0.796 125.9 0.0000 0.0000SURCHARGED 5.000 40 109.5 0.918 0.253 0.8852

360 minute summer 40 216 79.487 0.887 109.5 3.0730 0.0000FLOOD RISK Hydro-Brake® Outfall 04 38.7

Hydro-Brake® Outfall 04 53.9

360 minute summer Outfall 04 208 78.204 0.104 89.7 0.0000 0.0000OK 5.002 J1 105.2 0.303 0.031 1.3178

Page 142: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +40% 360 minute summer

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

360 minute summer J1 224 78.212 0.435 105.2 0.0000 0.0000OK Weir J2 98.2

Orifice J2 0.1

360 minute summer J2 224 77.998 0.454 98.2 0.0000 0.0000OK Weir Outfall 05 101.2 1171.2

Orifice Outfall 05 0.1 2.8

360 minute summer Outfall 05 8 77.280 0.000 101.2 0.0000 0.0000OK

Page 143: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +40% 360 minute winter

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 100 year +40% 360 minute winter. 600 minute analysis at 8 minute timestep. Mass balance: 99.97%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

360 minute winter 16 184 91.478 0.058 9.2 0.1370 0.0000OK 3.000 17 9.2 1.355 0.133 0.2368

360 minute winter 17 184 90.851 0.044 11.2 0.0768 0.0000OK 3.001 18 11.2 1.335 0.085 0.1707

360 minute winter 18 184 89.600 0.075 15.7 0.1509 0.0000OK 3.002 19 15.7 1.261 0.225 0.1893

360 minute winter 19 184 89.336 0.083 28.1 0.2690 0.0000OK 3.003 20 28.0 1.886 0.159 0.6591

360 minute winter 20 184 88.222 0.075 28.0 0.1079 0.0000OK 3.004 21 28.0 1.620 0.140 0.5388

360 minute winter 21 184 87.254 0.101 28.0 0.1450 0.0000OK 3.005 22 28.0 1.448 0.229 0.6526

360 minute winter 22 184 86.835 0.090 41.8 0.2939 0.0000OK 3.006 26 41.7 2.165 0.197 0.7528

360 minute winter 26 184 85.433 0.101 50.8 0.2340 0.0000OK 3.007 27 50.8 2.331 0.204 0.1892

360 minute winter 27 184 85.008 0.108 51.9 0.2843 0.0000OK 3.008 32 51.9 2.207 0.263 0.6372

360 minute winter 28 184 87.772 0.064 6.2 0.1173 0.0000OK 4.000 29 6.2 0.877 0.165 0.1024

360 minute winter 29 184 87.674 0.041 8.9 0.0538 0.0000OK 4.001 30 8.9 1.608 0.073 0.1151

360 minute winter 30 184 86.551 0.048 13.2 0.0644 0.0000OK 4.002 31 13.2 2.176 0.095 0.1175

360 minute winter 31 184 85.171 0.047 13.2 0.0406 0.0000OK 4.003 32 13.2 2.277 0.088 0.0645

360 minute winter 32 184 84.163 0.188 72.6 0.5670 0.0000OK 3.009 33 72.5 1.386 0.444 1.0561

360 minute winter 33 184 83.943 0.178 72.5 0.4537 0.0000OK 3.010 8 72.5 1.345 0.280 0.6699

360 minute winter 8 184 83.843 0.158 72.5 0.4011 0.0000OK 3.011 11 72.4 1.913 0.234 2.7587

360 minute winter 1 184 89.343 0.044 6.6 0.0856 0.0000OK 1.000 2 6.6 1.545 0.181 0.0818

360 minute winter 2 184 88.490 0.064 9.7 0.1171 0.0000OK 1.001 3 9.7 0.905 0.167 0.1265

360 minute winter 3 184 88.356 0.077 13.7 0.1522 0.0000OK 1.002 4 13.7 1.034 0.235 0.1816

360 minute winter 4 184 88.196 0.088 24.5 0.2619 0.0000OK 1.003 5 24.4 1.676 0.316 0.6128

360 minute winter 5 184 87.273 0.090 32.6 0.2725 0.0000OK 1.004 6 32.6 2.284 0.307 0.2834

360 minute winter 6 184 86.368 0.079 35.3 0.1695 0.0000OK 1.005 7 35.3 2.316 0.136 0.1814

360 minute winter 7 168 85.733 0.083 46.8 0.3265 0.0000OK 1.006 Inlet 01 46.8 2.781 0.169 0.3762

360 minute winter Inlet 01 344 85.586 0.811 46.8 0.0000 0.0000OK Flow through pond Outfall 01 26.5 0.018 0.007 255.8641

360 minute winter Outfall 01 344 85.586 0.836 33.8 0.0000 0.0000SURCHARGED 2.000 10 21.9 0.451 0.090 0.3686

360 minute winter 10 344 85.586 1.086 21.9 2.7630 0.0000SURCHARGED Hydro-Brake® 11 6.8

360 minute winter 11 184 83.125 0.102 87.9 0.3767 0.0000OK 2.002 12 87.9 3.103 0.107 0.6049

360 minute winter 12 184 81.761 0.109 92.9 0.3421 0.0000OK 2.003 13 92.8 3.186 0.119 0.7279

360 minute winter 13 184 80.325 0.107 101.5 0.3790 0.0000OK 2.004 14 101.5 1.390 0.126 1.9345

360 minute winter 14 208 79.715 0.765 121.6 3.7328 0.0000SURCHARGED 2.005 Inlet 02 120.8 1.221 0.342 0.9957

360 minute winter Inlet 02 208 79.702 0.913 120.8 0.0000 0.0000OK Flow through pond Outfall 03 108.1 0.052 0.126 347.7970

360 minute winter 9 184 80.242 0.042 6.4 0.0733 0.0000OK 6.000 Inlet 04 6.4 2.061 0.363 0.0151

360 minute winter Inlet 04 232 79.547 0.248 11.4 0.3205 0.0000OK Flow through pond Outfall 02 11.3 0.049 0.044 16.3686

360 minute winter Outfall 02 232 79.542 0.342 11.3 0.0000 0.0000SURCHARGED 7.000 Inlet 03 8.6 0.776 0.705 0.1847

360 minute winter Inlet 03 232 79.523 0.734 8.6 0.0000 0.0000OK Flow through pond Outfall 03 108.1 0.052 0.126 347.7970

360 minute winter Outfall 03 232 79.492 0.792 108.1 0.0000 0.0000SURCHARGED 5.000 40 110.2 0.905 0.254 0.8852

360 minute winter 40 232 79.483 0.883 110.2 3.0593 0.0000FLOOD RISK Hydro-Brake® Outfall 04 38.7

Hydro-Brake® Outfall 04 53.9

Page 144: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +40% 360 minute winter

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

360 minute winter Outfall 04 208 78.205 0.105 89.6 0.0000 0.0000OK 5.002 J1 97.9 0.293 0.029 1.3209

360 minute winter J1 192 78.213 0.436 97.9 0.0000 0.0000OK Weir J2 99.1

Orifice J2 0.1

360 minute winter J2 232 77.998 0.454 99.2 0.0000 0.0000OK Weir Outfall 05 103.7 1283.0

Orifice Outfall 05 0.1 2.8

360 minute winter Outfall 05 8 77.280 0.000 103.7 0.0000 0.0000OK

Page 145: Drainage Design - ribblevalley.gov.uk

Drainage Design ReportFlowv8.1

Copyright © 1988-2019 Causeway Software Solutions Limited

Network Storm Network 1

Filename S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams and Surcharge 170519.pfd

Username Peter Thomas ([email protected])

Last analysed 24/05/2019 14:48:24

Report produced on 24/05/2019 15:01:07

Causeway Sales

Tel: +44(0) 1628 552000

Fax: +44(0) 1628 552001

Email: [email protected]

Web: www.causeway.com

Technical support web portal:

http://support.causeway.com

Page 146: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: Design Settings

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams and Surcharge 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Rainfall Methodology FSR

Return Period (years) 100

Additional Flow (%) 0

FSR Region England and Wales

M5-60 (mm) 18.900

Ratio-R 0.300

CV 0.750

Time of Entry (mins) 5.00

Maximum Time of Concentration (mins) 30.00

Maximum Rainfall (mm/hr) 75.0

Minimum Velocity (m/s) 1.00

Connection Type Level Soffits

Minimum Backdrop Height (m) 0.600

Preferred Cover Depth (m) 1.200

Include Intermediate Ground

Enforce best practice design rules

Page 147: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: Nodes

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams and Surcharge 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

NameArea(ha)

T of E(mins)

AddInflow(l/s)

CoverLevel(m)

NodeType

ManholeType

Diameter(mm)

Width(mm)

Easting(m)

Northing(m)

Depth(m)

Notes

16 0.100 5.00 92.770Manhole Adoptable 1050 370555.570 434429.737 1.350

17 0.022 5.00 92.232Manhole Adoptable 1350 370574.082 434459.131 1.425

18 0.049 5.00 91.201Manhole Adoptable 1350 370558.512 434471.804 1.676

19 0.135 5.00 90.753Manhole Adoptable 1350 370545.790 434480.161 1.500

20 0.000 5.00 89.797Manhole Adoptable 1350 370530.822 434521.838 1.650

21 0.000 5.00 88.803Manhole Adoptable 1350 370501.155 434512.813 1.650

22 0.151 5.00 88.395Manhole Adoptable 1350 370489.815 434544.594 1.650

26 0.099 5.00 87.568Manhole Adoptable 1350 370481.919 434582.803 2.236

27 0.012 5.00 87.573Manhole Adoptable 1800 370488.519 434588.433 2.673

28 0.068 5.00 89.133Manhole Adoptable 1050 370542.587 434553.165 1.425

29 0.030 5.00 88.983Manhole Adoptable 1050 370528.667 434556.511 1.350

30 0.047 5.00 88.455Manhole Adoptable 1050 370510.289 434566.181 1.952

31 0.000 87.929Manhole Adoptable 1050 370507.221 434585.315 2.805

32 0.082 5.00 87.488Manhole Adoptable 1800 370515.156 434593.133 3.513

33 0.000 87.435Manhole Adoptable 1800 370534.509 434598.875 3.670

8 0.000 87.200Manhole Adoptable 1800 370530.743 434610.713 3.515

1 0.072 5.00 90.649Manhole Adoptable 1050 370595.499 434492.332 1.350

2 0.034 5.00 90.182Manhole Adoptable 1350 370606.382 434508.098 1.756

3 0.044 5.00 89.926Manhole Adoptable 1350 370604.868 434519.798 1.647

4 0.118 5.00 89.638Manhole Adoptable 1350 370596.377 434530.573 1.530

5 0.090 5.00 88.608Manhole Adoptable 1500 370589.847 434572.054 1.425

6 0.029 5.00 87.789Manhole Adoptable 1500 370589.301 434591.891 1.500

7 0.125 5.00 87.477Manhole Adoptable 1800 370587.132 434603.590 1.827

Inlet 01 0.000 87.200Junction 370585.682 434612.369 2.425

Outfall 01 0.000 5.00 86.050Junction 370587.330 434637.421 1.300

10 0.000 86.000Manhole Adoptable 1800 370588.437 434642.537 1.500

11 0.107 5.00 84.898Manhole Adoptable 1800 370590.591 434651.087 1.875

12 0.055 5.00 83.527Manhole Adoptable 1800 370587.631 434672.240 1.875

13 0.095 5.00 82.093Manhole Adoptable 1800 370592.742 434696.692 1.875

14 0.219 5.00 80.825Manhole Adoptable 1800 370591.457 434717.334 1.875

Page 148: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: Nodes

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams and Surcharge 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Inlet 02 0.000 80.600Junction 370591.143 434723.610 1.811

9 0.070 5.00 81.000Junction 370523.453 434718.917 0.800

Inlet 04 0.055 80.150Junction 370528.128 434720.213 0.851

Outfall 02 0.000 5.00 79.900Junction 370557.200 434726.204 0.700

Inlet 03 0.000 79.900Junction 370567.514 434728.112 1.111

Outfall 03 0.000 5.00 79.900Junction 370605.448 434734.727 1.200

40 0.000 79.700Manhole Adoptable 2100 370610.837 434736.203 1.100

Outfall 04 0.000 79.240Junction 370641.451 434749.751 1.140

J1 0.000 78.530Junction 370644.303 434750.907 0.753

J2 0.000 5.00 78.270Junction 370648.220 434752.609 0.726

Outfall 05 78.270Junction 370651.112 434755.302 0.990

Page 149: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: Links (Input)

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams and Surcharge 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

NameUS

NodeDS

NodeLength

(m)ks (mm) /

nVelocityEquation

US IL(m)

DS IL(m)

Fall(m)

Slope(1:X)

Dia(mm)

LinkType

T of C(mins)

Rain(mm/hr)

ConOffset

(m)

MinDS IL(m)

LateralArea(ha)

LateralIns Point

(%)

LateralT of E(mins)

? 3.000 16 17 34.738 0.600Colebrook-White 91.420 90.807 0.613 56.7 225Circular_Default Sewer Type 5.33 75.0

? 3.001 17 18 20.076 0.600Colebrook-White 90.807 89.525 1.282 15.7 225Circular_Default Sewer Type 5.43 75.0

3.002 18 19 15.221 0.600Colebrook-White 89.525 89.253 0.272 56.0 225Circular_Default Sewer Type 5.58 75.0

3.003 19 20 44.283 0.600Colebrook-White 89.253 88.147 1.106 40.0 300Circular_Default Sewer Type 5.87 75.0

3.004 20 21 31.009 0.600Colebrook-White 88.147 87.153 0.994 31.2 300Circular_Default Sewer Type 6.06 75.0

3.005 21 22 33.744 0.600Colebrook-White 87.153 86.745 0.408 82.7 300Circular_Default Sewer Type 6.38 75.0

? 3.006 22 26 39.016 0.600Colebrook-White 86.745 85.332 1.413 27.6 300Circular_Default Sewer Type 6.60 75.0

? 3.007 26 27 8.675 0.600Colebrook-White 85.332 84.900 0.432 20.1 300Circular_Default Sewer Type 6.64 75.0

? 3.008 27 32 27.048 0.600Colebrook-White 84.900 84.050 0.850 31.8 300Circular_Default Sewer Type 6.80 75.0

? 4.000 28 29 14.316 0.600Colebrook-White 87.708 87.633 0.075 190.9 225Circular_Default Sewer Type 5.25 75.0

? 4.001 29 30 20.767 0.600Colebrook-White 87.633 86.503 1.130 18.4 225Circular_Default Sewer Type 5.37 75.0

? 4.002 30 31 19.378 0.600Colebrook-White 86.503 85.124 1.379 14.1 225Circular_Default Sewer Type 5.46 75.0

? 4.003 31 32 11.139 0.600Colebrook-White 85.124 84.200 0.924 12.1 225Circular_Default Sewer Type 5.51 75.0

? 3.009 32 33 20.187 0.600Colebrook-White 83.975 83.840 0.135 150.0 375Circular_Default Sewer Type 7.03 75.0

? 3.010 33 8 12.423 0.600Colebrook-White 83.765 83.685 0.080 155.3 450Circular_Default Sewer Type 7.16 75.0

? 3.011 8 11 72.193 0.600Colebrook-White 83.685 83.023 0.662 109.1 450Circular_Default Sewer Type 7.77 75.0

1.000 1 2 19.157 0.600Colebrook-White 89.299 88.501 0.798 24.0 150Circular_Default Sewer Type 5.15 75.0

1.001 2 3 11.798 0.600Colebrook-White 88.426 88.279 0.147 80.3 225Circular_Default Sewer Type 5.29 75.0

1.002 3 4 13.719 0.600Colebrook-White 88.279 88.108 0.171 80.2 225Circular_Default Sewer Type 5.45 75.0

1.003 4 5 41.992 0.600Colebrook-White 88.108 87.183 0.925 45.4 225Circular_Default Sewer Type 5.81 75.0

1.004 5 6 19.845 0.600Colebrook-White 87.183 86.364 0.819 24.2 225Circular_Default Sewer Type 5.93 75.0

? 1.005 6 7 11.898 0.600Colebrook-White 86.289 85.650 0.639 18.6 300Circular_Default Sewer Type 5.98 75.0

? 1.006 7 Inlet 01 8.898 0.600Colebrook-White 85.650 85.100 0.550 16.2 300Circular_Default Sewer Type 6.02 75.0

? 2.000 Outfall 01 10 5.234 0.600Colebrook-White 84.750 84.500 0.250 20.9 300Circular_Default Sewer Type 5.03 75.0

? 2.001 10 11 8.817 0.600Colebrook-White 84.500 83.548 0.952 9.3 150Circular_Default Sewer Type 5.07 75.0

? 2.002 11 12 21.359 0.600Colebrook-White 83.023 81.652 1.371 15.6 450Circular_Default Sewer Type 7.84 75.0

? 2.003 12 13 24.980 0.600Colebrook-White 81.652 80.218 1.434 17.4 450Circular_Default Sewer Type 7.93 75.0

? 2.004 13 14 20.682 0.600Colebrook-White 80.218 78.950 1.268 16.3 450Circular_Default Sewer Type 8.00 75.0

2.005 14 Inlet 02 6.284 0.600Colebrook-White 78.950 78.875 0.075 83.8 450Circular_Default Sewer Type 8.04 75.0

? 6.000 9 Inlet 04 4.851 0.600Colebrook-White 80.200 79.796 0.404 12.0 100Circular_Default Sewer Type 5.04 75.0

? 7.000 Outfall 02 Inlet 03 10.489 0.600Colebrook-White 79.200 79.150 0.050 209.8 150Circular_Default Sewer Type 5.25 75.0

? 5.000 Outfall 03 40 5.587 0.600Colebrook-White 78.700 78.600 0.100 55.9 450Circular_Default Sewer Type 5.03 75.0

? 5.001 40 Outfall 04 33.478 0.600Colebrook-White 78.600 78.450 0.150 223.2 375Circular_Default Sewer Type 5.50 75.0

? 5.002 Outfall 04 J1 3.077 0.040Manning 78.100 77.777 0.323 9.5 500Swale 5.51 75.0

? 5.003 J1 J2 4.271 0.040Manning 77.777 77.544 0.233 18.3 500Swale 5.54 75.0

? 5.004 J2 Outfall 05 3.952 0.040Manning 77.544 77.280 0.264 15.0 500Swale 5.56 75.0

Page 150: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: Links (Results)

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams and Surcharge 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

NameUS

NodeDS

NodeVel

(m/s)Cap(l/s)

Flow(l/s)

USDepth

(m)

DSDepth

(m)

MinimumDepth

(m)

MaximumDepth

(m)

Σ Area(ha)

Σ AddInflow(ha)

ProDepth(mm)

ProVelocity

(m/s)Notes

? 3.000 16 17 1.741 69.2 20.3 1.125 1.200 0.868 1.296 0.100 0.0 83 1.515Upstream Depth is less than the specified minimum

? 3.001 17 18 3.323 132.1 24.8 1.200 1.451 0.874 1.451 0.122 0.0 65 2.558Velocity is more than 3 m/s

3.002 18 19 1.752 69.6 34.8 1.451 1.275 1.275 1.465 0.171 0.0 112 1.749

3.003 19 20 2.492 176.1 62.2 1.200 1.350 1.200 1.372 0.306 0.0 123 2.282

3.004 20 21 2.825 199.7 62.2 1.350 1.350 1.347 1.635 0.306 0.0 115 2.504

3.005 21 22 1.730 122.3 62.2 1.350 1.350 1.230 1.394 0.306 0.0 151 1.737

? 3.006 22 26 3.003 212.3 92.9 1.350 1.936 1.350 1.936 0.457 0.0 139 2.905Velocity is more than 3 m/s

? 3.007 26 27 3.524 249.1 113.0 1.936 2.373 1.807 2.373 0.556 0.0 142 3.440Velocity is more than 3 m/s

? 3.008 27 32 2.797 197.7 115.5 2.373 3.138 2.273 3.219 0.568 0.0 165 2.901Downstream Depth is more than twice the specified minimum

? 4.000 28 29 0.943 37.5 13.8 1.200 1.125 1.076 1.200 0.068 0.0 94 0.873Velocity is less than the specified minimum | Downstream Depth is less than the specified minimum

? 4.001 29 30 3.066 121.9 19.9 1.125 1.727 1.112 1.775 0.098 0.0 61 2.273Velocity is more than 3 m/s | Upstream Depth is less than the specified minimum

? 4.002 30 31 3.508 139.5 29.5 1.727 2.580 1.727 2.580 0.145 0.0 70 2.797Velocity is more than 3 m/s | Downstream Depth is more than twice the specified minimum

? 4.003 31 32 3.789 150.7 29.5 2.580 3.063 2.522 3.111 0.145 0.0 67 2.959Velocity is more than 3 m/s | Upstream Depth is more than twice the specified minimum | Downstream Depth is more than twice the specified minimum

? 3.009 32 33 1.477 163.1 161.6 3.138 3.220 3.138 3.301 0.795 0.0 307 1.672Upstream Depth is more than twice the specified minimum | Downstream Depth is more than twice the specified minimum

? 3.010 33 8 1.629 259.0 161.6 3.220 3.065 2.825 3.275 0.795 0.0 258 1.714Upstream Depth is more than twice the specified minimum | Downstream Depth is more than twice the specified minimum

? 3.011 8 11 1.946 309.5 161.6 3.065 1.425 1.425 3.065 0.795 0.0 231 1.965Upstream Depth is more than twice the specified minimum

1.000 1 2 2.064 36.5 14.6 1.200 1.531 1.180 1.531 0.072 0.0 66 1.950

1.001 2 3 1.461 58.1 21.5 1.531 1.422 1.246 1.531 0.106 0.0 94 1.353

1.002 3 4 1.461 58.1 30.5 1.422 1.305 1.102 1.422 0.150 0.0 116 1.477

1.003 4 5 1.946 77.4 54.5 1.305 1.200 0.889 1.305 0.268 0.0 139 2.102

1.004 5 6 2.669 106.1 72.8 1.200 1.200 1.071 1.220 0.358 0.0 138 2.871

? 1.005 6 7 3.660 258.7 78.7 1.200 1.527 1.200 1.527 0.387 0.0 113 3.228Velocity is more than 3 m/s

? 1.006 7 Inlet 01 3.927 277.6 104.1 1.527 1.800 1.527 1.800 0.512 0.0 127 3.653Velocity is more than 3 m/s

? 2.000 Outfall 01 10 3.451 243.9 0.0 1.000 1.200 0.718 1.200 0.000 0.0 0 0.000Velocity is more than 3 m/s | Upstream Depth is less than the specified minimum

? 2.001 10 11 3.330 58.8 0.0 1.350 1.200 0.894 1.350 0.000 0.0 0 0.000Velocity is more than 3 m/s

? 2.002 11 12 5.170 822.2 183.4 1.425 1.425 1.425 1.648 0.902 0.0 144 4.201Velocity is more than 3 m/s

? 2.003 12 13 4.888 777.5 194.5 1.425 1.425 1.376 1.564 0.957 0.0 152 4.093Velocity is more than 3 m/s

? 2.004 13 14 5.052 803.6 213.9 1.425 1.425 1.307 1.425 1.052 0.0 158 4.303Velocity is more than 3 m/s

2.005 14 Inlet 02 2.222 353.4 258.4 1.425 1.275 1.275 1.425 1.271 0.0 287 2.417

? 6.000 9 Inlet 04 2.243 17.6 14.2 0.700 0.254 0.025 0.700 0.070 0.0 68 2.494Upstream Depth is less than the specified minimum | Downstream Depth is less than the specified minimum

? 7.000 Outfall 02 Inlet 03 0.690 12.2 0.0 0.550 0.600 0.199 0.600 0.000 0.0 0 0.000Upstream Depth is less than the specified minimum | Downstream Depth is less than the specified minimum

? 5.000 Outfall 03 40 2.724 433.2 0.0 0.750 0.650 0.433 0.750 0.000 0.0 0 0.000Upstream Depth is less than the specified minimum | Downstream Depth is less than the specified minimum

? 5.001 40 Outfall 04 1.208 133.5 0.0 0.725 0.415 -0.123 0.725 0.000 0.0 0 0.000Upstream Depth is less than the specified minimum | Downstream Depth is less than the specified minimum

? 5.002 Outfall 04 J1 3.409 3408.9 0.0 0.640 0.253 -1.025 0.640 0.000 0.0 0 0.000Velocity is more than 3 m/s | Upstream Depth is less than the specified minimum | Downstream Depth is less than the specified minimum

? 5.003 J1 J2 2.458 2457.7 0.0 0.253 0.226 0.226 0.253 0.000 0.0 0 0.000Upstream Depth is less than the specified minimum | Downstream Depth is less than the specified minimum

? 5.004 J2 Outfall 05 2.720 2719.7 0.0 0.226 0.490 0.226 0.490 0.000 0.0 0 0.000Upstream Depth is less than the specified minimum | Downstream Depth is less than the specified minimum

Page 151: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: Pipeline Schedule

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams and Surcharge 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

LinkName

Length(m)

Slope(1:X)

Dia(mm)

LinkType

US CL(m)

US IL(m)

USDepth

(m)

DS CL(m)

DS IL(m)

DSDepth

(m)

US NodeName

Dia(mm)

Width(mm)

NodeType

MHType

DS NodeName

Dia(mm)

Width(mm)

NodeType

MHType

3.000 34.738 56.7 225Circular_Default Sewer Type 92.770 91.420 1.125 92.232 90.807 1.20016 1050 Manhole Adoptable 17 1350 Manhole Adoptable

3.001 20.076 15.7 225Circular_Default Sewer Type 92.232 90.807 1.200 91.201 89.525 1.45117 1350 Manhole Adoptable 18 1350 Manhole Adoptable

3.002 15.221 56.0 225Circular_Default Sewer Type 91.201 89.525 1.451 90.753 89.253 1.27518 1350 Manhole Adoptable 19 1350 Manhole Adoptable

3.003 44.283 40.0 300Circular_Default Sewer Type 90.753 89.253 1.200 89.797 88.147 1.35019 1350 Manhole Adoptable 20 1350 Manhole Adoptable

3.004 31.009 31.2 300Circular_Default Sewer Type 89.797 88.147 1.350 88.803 87.153 1.35020 1350 Manhole Adoptable 21 1350 Manhole Adoptable

3.005 33.744 82.7 300Circular_Default Sewer Type 88.803 87.153 1.350 88.395 86.745 1.35021 1350 Manhole Adoptable 22 1350 Manhole Adoptable

3.006 39.016 27.6 300Circular_Default Sewer Type 88.395 86.745 1.350 87.568 85.332 1.93622 1350 Manhole Adoptable 26 1350 Manhole Adoptable

3.007 8.675 20.1 300Circular_Default Sewer Type 87.568 85.332 1.936 87.573 84.900 2.37326 1350 Manhole Adoptable 27 1800 Manhole Adoptable

3.008 27.048 31.8 300Circular_Default Sewer Type 87.573 84.900 2.373 87.488 84.050 3.13827 1800 Manhole Adoptable 32 1800 Manhole Adoptable

4.000 14.316 190.9 225Circular_Default Sewer Type 89.133 87.708 1.200 88.983 87.633 1.12528 1050 Manhole Adoptable 29 1050 Manhole Adoptable

4.001 20.767 18.4 225Circular_Default Sewer Type 88.983 87.633 1.125 88.455 86.503 1.72729 1050 Manhole Adoptable 30 1050 Manhole Adoptable

4.002 19.378 14.1 225Circular_Default Sewer Type 88.455 86.503 1.727 87.929 85.124 2.58030 1050 Manhole Adoptable 31 1050 Manhole Adoptable

4.003 11.139 12.1 225Circular_Default Sewer Type 87.929 85.124 2.580 87.488 84.200 3.06331 1050 Manhole Adoptable 32 1800 Manhole Adoptable

3.009 20.187 150.0 375Circular_Default Sewer Type 87.488 83.975 3.138 87.435 83.840 3.22032 1800 Manhole Adoptable 33 1800 Manhole Adoptable

3.010 12.423 155.3 450Circular_Default Sewer Type 87.435 83.765 3.220 87.200 83.685 3.06533 1800 Manhole Adoptable 8 1800 Manhole Adoptable

3.011 72.193 109.1 450Circular_Default Sewer Type 87.200 83.685 3.065 84.898 83.023 1.4258 1800 Manhole Adoptable 11 1800 Manhole Adoptable

1.000 19.157 24.0 150Circular_Default Sewer Type 90.649 89.299 1.200 90.182 88.501 1.5311 1050 Manhole Adoptable 2 1350 Manhole Adoptable

1.001 11.798 80.3 225Circular_Default Sewer Type 90.182 88.426 1.531 89.926 88.279 1.4222 1350 Manhole Adoptable 3 1350 Manhole Adoptable

1.002 13.719 80.2 225Circular_Default Sewer Type 89.926 88.279 1.422 89.638 88.108 1.3053 1350 Manhole Adoptable 4 1350 Manhole Adoptable

1.003 41.992 45.4 225Circular_Default Sewer Type 89.638 88.108 1.305 88.608 87.183 1.2004 1350 Manhole Adoptable 5 1500 Manhole Adoptable

1.004 19.845 24.2 225Circular_Default Sewer Type 88.608 87.183 1.200 87.789 86.364 1.2005 1500 Manhole Adoptable 6 1500 Manhole Adoptable

1.005 11.898 18.6 300Circular_Default Sewer Type 87.789 86.289 1.200 87.477 85.650 1.5276 1500 Manhole Adoptable 7 1800 Manhole Adoptable

1.006 8.898 16.2 300Circular_Default Sewer Type 87.477 85.650 1.527 87.200 85.100 1.8007 1800 Manhole Adoptable Inlet 01 Junction

2.000 5.234 20.9 300Circular_Default Sewer Type 86.050 84.750 1.000 86.000 84.500 1.200Outfall 01 Junction 10 1800 Manhole Adoptable

2.001 8.817 9.3 150Circular_Default Sewer Type 86.000 84.500 1.350 84.898 83.548 1.20010 1800 Manhole Adoptable 11 1800 Manhole Adoptable

2.002 21.359 15.6 450Circular_Default Sewer Type 84.898 83.023 1.425 83.527 81.652 1.42511 1800 Manhole Adoptable 12 1800 Manhole Adoptable

2.003 24.980 17.4 450Circular_Default Sewer Type 83.527 81.652 1.425 82.093 80.218 1.42512 1800 Manhole Adoptable 13 1800 Manhole Adoptable

2.004 20.682 16.3 450Circular_Default Sewer Type 82.093 80.218 1.425 80.825 78.950 1.42513 1800 Manhole Adoptable 14 1800 Manhole Adoptable

2.005 6.284 83.8 450Circular_Default Sewer Type 80.825 78.950 1.425 80.600 78.875 1.27514 1800 Manhole Adoptable Inlet 02 Junction

6.000 4.851 12.0 100Circular_Default Sewer Type 81.000 80.200 0.700 80.150 79.796 0.2549 Junction Inlet 04 Junction

7.000 10.489 209.8 150Circular_Default Sewer Type 79.900 79.200 0.550 79.900 79.150 0.600Outfall 02 Junction Inlet 03 Junction

5.000 5.587 55.9 450Circular_Default Sewer Type 79.900 78.700 0.750 79.700 78.600 0.650Outfall 03 Junction 40 2100 Manhole Adoptable

5.001 33.478 223.2 375Circular_Default Sewer Type 79.700 78.600 0.725 79.240 78.450 0.41540 2100 Manhole Adoptable Outfall 04 Junction

5.002 3.077 9.5 500Swale 79.240 78.100 0.640 78.530 77.777 0.253Outfall 04 Junction J1 Junction

5.003 4.271 18.3 500Swale 78.530 77.777 0.253 78.270 77.544 0.226J1 Junction J2 Junction

5.004 3.952 15.0 500Swale 78.270 77.544 0.226 78.270 77.280 0.490J2 Junction Outfall 05 Junction

Page 152: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: Manhole Schedule

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams and Surcharge 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

NodeName

Easting(m)

Northing(m)

CL(m)

Depth(m)

Dia(mm)

Width(mm)

NodeType

MHType

LinkID

IL(m)

Dia(mm)

LinkType

16 370555.570 434429.737 92.770 1.350 1050 Manhole Adoptable

0 3.000 91.420 225Circular_Default Sewer Type

17 370574.082 434459.131 92.232 1.425 1350 Manhole Adoptable 1 3.000 90.807 225Circular_Default Sewer Type

0 3.001 90.807 225Circular_Default Sewer Type

18 370558.512 434471.804 91.201 1.676 1350 Manhole Adoptable 1 3.001 89.525 225Circular_Default Sewer Type

0 3.002 89.525 225Circular_Default Sewer Type

19 370545.790 434480.161 90.753 1.500 1350 Manhole Adoptable 1 3.002 89.253 225Circular_Default Sewer Type

0 3.003 89.253 300Circular_Default Sewer Type

20 370530.822 434521.838 89.797 1.650 1350 Manhole Adoptable 1 3.003 88.147 300Circular_Default Sewer Type

0 3.004 88.147 300Circular_Default Sewer Type

21 370501.155 434512.813 88.803 1.650 1350 Manhole Adoptable 1 3.004 87.153 300Circular_Default Sewer Type

0 3.005 87.153 300Circular_Default Sewer Type

22 370489.815 434544.594 88.395 1.650 1350 Manhole Adoptable 1 3.005 86.745 300Circular_Default Sewer Type

0 3.006 86.745 300Circular_Default Sewer Type

26 370481.919 434582.803 87.568 2.236 1350 Manhole Adoptable 1 3.006 85.332 300Circular_Default Sewer Type

0 3.007 85.332 300Circular_Default Sewer Type

27 370488.519 434588.433 87.573 2.673 1800 Manhole Adoptable 1 3.007 84.900 300Circular_Default Sewer Type

Page 153: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: Manhole Schedule

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams and Surcharge 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

0 3.008 84.900 300Circular_Default Sewer Type

28 370542.587 434553.165 89.133 1.425 1050 Manhole Adoptable

0 4.000 87.708 225Circular_Default Sewer Type

29 370528.667 434556.511 88.983 1.350 1050 Manhole Adoptable 1 4.000 87.633 225Circular_Default Sewer Type

0 4.001 87.633 225Circular_Default Sewer Type

30 370510.289 434566.181 88.455 1.952 1050 Manhole Adoptable 1 4.001 86.503 225Circular_Default Sewer Type

0 4.002 86.503 225Circular_Default Sewer Type

31 370507.221 434585.315 87.929 2.805 1050 Manhole Adoptable 1 4.002 85.124 225Circular_Default Sewer Type

0 4.003 85.124 225Circular_Default Sewer Type

32 370515.156 434593.133 87.488 3.513 1800 Manhole Adoptable 1 4.003 84.200 225Circular_Default Sewer Type

2 3.008 84.050 300Circular_Default Sewer Type

0 3.009 83.975 375Circular_Default Sewer Type

33 370534.509 434598.875 87.435 3.670 1800 Manhole Adoptable 1 3.009 83.840 375Circular_Default Sewer Type

0 3.010 83.765 450Circular_Default Sewer Type

8 370530.743 434610.713 87.200 3.515 1800 Manhole Adoptable 1 3.010 83.685 450Circular_Default Sewer Type

0 3.011 83.685 450Circular_Default Sewer Type

1 370595.499 434492.332 90.649 1.350 1050 Manhole Adoptable

0 1.000 89.299 150Circular_Default Sewer Type

2 370606.382 434508.098 90.182 1.756 1350 Manhole Adoptable 1 1.000 88.501 150Circular_Default Sewer Type

Page 154: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: Manhole Schedule

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams and Surcharge 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

0 1.001 88.426 225Circular_Default Sewer Type

3 370604.868 434519.798 89.926 1.647 1350 Manhole Adoptable 1 1.001 88.279 225Circular_Default Sewer Type

0 1.002 88.279 225Circular_Default Sewer Type

4 370596.377 434530.573 89.638 1.530 1350 Manhole Adoptable 1 1.002 88.108 225Circular_Default Sewer Type

0 1.003 88.108 225Circular_Default Sewer Type

5 370589.847 434572.054 88.608 1.425 1500 Manhole Adoptable 1 1.003 87.183 225Circular_Default Sewer Type

0 1.004 87.183 225Circular_Default Sewer Type

6 370589.301 434591.891 87.789 1.500 1500 Manhole Adoptable 1 1.004 86.364 225Circular_Default Sewer Type

0 1.005 86.289 300Circular_Default Sewer Type

7 370587.132 434603.590 87.477 1.827 1800 Manhole Adoptable 1 1.005 85.650 300Circular_Default Sewer Type

0 1.006 85.650 300Circular_Default Sewer Type

Inlet 01 370585.682 434612.369 87.200 2.425 Junction 1 1.006 85.100 300Circular_Default Sewer Type

Outfall 01 370587.330 434637.421 86.050 1.300 Junction

0 2.000 84.750 300Circular_Default Sewer Type

10 370588.437 434642.537 86.000 1.500 1800 Manhole Adoptable 1 2.000 84.500 300Circular_Default Sewer Type

0 2.001 84.500 150Circular_Default Sewer Type

11 370590.591 434651.087 84.898 1.875 1800 Manhole Adoptable 1 3.011 83.023 450Circular_Default Sewer Type

2 2.001 83.548 150Circular_Default Sewer Type

0 2.002 83.023 450Circular_Default Sewer Type

Page 155: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: Manhole Schedule

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams and Surcharge 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

12 370587.631 434672.240 83.527 1.875 1800 Manhole Adoptable 1 2.002 81.652 450Circular_Default Sewer Type

0 2.003 81.652 450Circular_Default Sewer Type

13 370592.742 434696.692 82.093 1.875 1800 Manhole Adoptable 1 2.003 80.218 450Circular_Default Sewer Type

0 2.004 80.218 450Circular_Default Sewer Type

14 370591.457 434717.334 80.825 1.875 1800 Manhole Adoptable 1 2.004 78.950 450Circular_Default Sewer Type

0 2.005 78.950 450Circular_Default Sewer Type

Inlet 02 370591.143 434723.610 80.600 1.811 Junction 1 2.005 78.875 450Circular_Default Sewer Type

9 370523.453 434718.917 81.000 0.800 Junction

0 6.000 80.200 100Circular_Default Sewer Type

Inlet 04 370528.128 434720.213 80.150 0.851 Junction 1 6.000 79.796 100Circular_Default Sewer Type

Outfall 02 370557.200 434726.204 79.900 0.700 Junction

0 7.000 79.200 150Circular_Default Sewer Type

Inlet 03 370567.514 434728.112 79.900 1.111 Junction 1 7.000 79.150 150Circular_Default Sewer Type

Outfall 03 370605.448 434734.727 79.900 1.200 Junction

0 5.000 78.700 450Circular_Default Sewer Type

40 370610.837 434736.203 79.700 1.100 2100 Manhole Adoptable 1 5.000 78.600 450Circular_Default Sewer Type

Page 156: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: Manhole Schedule

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams and Surcharge 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

0 5.001 78.600 375Circular_Default Sewer Type

Outfall 04 370641.451 434749.751 79.240 1.140 Junction 1 5.001 78.450 375Circular_Default Sewer Type

0 5.002 78.100 500Swale

J1 370644.303 434750.907 78.530 0.753 Junction 1 5.002 77.777 500Swale

0 5.003 77.777 500Swale

J2 370648.220 434752.609 78.270 0.726 Junction 1 5.003 77.544 500Swale

0 5.004 77.544 500Swale

Outfall 05 370651.112 434755.302 78.270 0.990 Junction 1 5.004 77.280 500Swale

Page 157: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: Simulation Settings

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams and Surcharge 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Rainfall Methodology FSR Return Period (years) Climate Change (%)

FSR Region England and Wales 100 30

M5-60 (mm) 18.900 100 40

Ratio-R 0.300

Summer CV 0.750

Winter CV 0.840

Analysis Speed Normal

Skip Steady State

Drain Down Time (mins) 240

Additional Storage (m³/ha) 20.0

Storm Durations (mins) 15

30

60

120

180

240

360

Check Discharge Rate(s)

1 year (l/s)

30 year (l/s)

100 year (l/s)

Check Discharge Volume

100 year 360 minute (m³)

Page 158: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: Pre-development Discharge Rate

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams and Surcharge 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Site Makeup Greenfield

Greenfield Method IH124

Positively Drained Area (ha)

SAAR (mm)

Soil Index 1

SPR 0.10

Region 1

Growth Factor 1 year 0.85

Growth Factor 30 years 1.95

Growth Factor 100 years 2.48

Betterment (%) 0

QBar

Q 1 year (l/s)

Q 30 year (l/s)

Q 100 year (l/s)

Page 159: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: Pre-development Discharge Volume

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams and Surcharge 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Site Makeup Greenfield

Greenfield Method FSR/FEH

Positively Drained Area (ha)

Soil Index 1

SPR 0.10

CWI

Return Period (years) 100

Climate Change (%) 0

Storm Duration (mins) 360

Betterment (%) 0

PR

Runoff Volume (m3)

Page 160: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: Hydrographs

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams and Surcharge 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Surcharged Outfall

NodeDuration(mins)

Timestep(mins)

Time(mins)

Depth(m)

AppliesTo

Outfall 05 10080 500 0 1.220All storms

500 1.220

1000 1.220

1500 1.220

2000 1.220

2500 1.220

3000 1.220

3500 1.220

4000 1.220

4500 1.220

5000 1.220

5500 1.220

6000 1.220

6500 1.220

7000 1.220

7500 1.220

8000 1.220

8500 1.220

9000 1.220

9500 1.220

10000 1.220

10500 1.220

Page 161: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: Flow Controls

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams and Surcharge 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Orifice

NodeFlap

ValveOnline / Offline

ReplacesDownstream

Link

Loopto

Node

InvertLevel(m)

DesignDepth

(m)

DesignFlow(l/s)

Diameter(m)

DischargeCoefficient

J1 x Online 77.777 0.361 0.1 0.008 0.600

J2 x Online 77.544 0.378 0.1 0.008 0.600

Weir

NodeFlap

ValveOnline / Offline

ReplacesDownstream

Link

Loopto

Node

InvertLevel(m)

DesignDepth

(m)

DesignFlow(l/s)

Width(m)

DischargeCoefficient

J1 x Online 78.138 0.361 10.0 2.600 0.590

J2 x Online 77.922 0.378 10.0 2.600 0.590

Hydro-Brake®

NodeFlap

ValveOnline / Offline

ReplacesDownstream

Link

Loopto

Node

InvertLevel(m)

DesignDepth

(m)

DesignFlow(l/s)

ObjectiveSump

AvailableProductNumber

Min OutletDiameter

(m)

Min NodeDiameter

(mm)

10 x Online 84.500 1.000 6.5(HE) Minimise upstream storage CTL-SHE-0119-6500-1000-6500 0.150 1200

40 x Online 78.600 1.050 38.8(HE) Minimise upstream storage CTL-SHE-0264-3880-1050-3880 0.300 1800

40 x Online 79.100 0.600 54.0(HE) Minimise upstream storage CTL-SHE-0310-5400-0600-5400 0.375 1800

Page 162: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: Storage Structures

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams and Surcharge 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Flow through Pond

NodeBase Inf

Coefficient(m/hr)

Side InfCoefficient

(m/hr)

SafetyFactor

PorosityInvertLevel(m)

Time tohalf empty

(mins)

Main ChannelLength (m)

Main Channel Slope (1:X)

Main Channeln

InletsDepth

(m)Area(m²)

Inf.Area(m²)

Outfall 03 0.00000 0.00000 2.0 1.00 78.700 88.700 1000.0 0.350Inlet 03 0.000 382.5 0.0

Inlet 02 1.200 635.1 0.0

Outfall 01 0.00000 0.00000 2.0 1.00 84.750 25.150 1000.0 0.350Inlet 01 0.000 223.9 0.0

1.300 498.3 0.0

Outfall 02 0.00000 0.00000 2.0 1.00 79.200 29.680 300.0 0.350Inlet 04 0.000 28.9 0.0

0.700 151.6 0.0

Page 163: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +30% Critical

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams and Surcharge 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 100 year +30% Critical Storm Duration. Lowest mass balance: 96.99%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

15 minute winter 16 10 91.573 0.153 49.6 0.3595 0.0000OK 3.000 17 48.9 2.076 0.707 0.8162

15 minute winter 17 10 90.912 0.105 59.8 0.1831 0.0000OK 3.001 18 59.4 1.777 0.450 0.5819

15 minute winter 18 11 89.964 0.439 83.7 0.8843 0.0000SURCHARGED 3.002 19 82.6 2.077 1.186 0.6051

15 minute winter 19 12 89.478 0.225 146.0 0.7255 0.0000OK 3.003 20 145.3 2.719 0.825 2.8117

15 minute winter 20 12 88.834 0.687 145.3 0.9829 0.0000SURCHARGED 3.004 21 130.6 2.256 0.654 2.1836

15 minute winter 21 13 88.376 1.223 130.6 1.7499 0.0000SURCHARGED 3.005 22 122.6 1.874 1.003 2.3762

15 minute winter 22 12 87.890 1.145 186.7 3.7350 0.0000SURCHARGED 3.006 26 173.3 2.664 0.817 2.7475

15 minute winter 26 12 86.765 1.433 214.6 3.3213 0.0000SURCHARGED 3.007 27 207.8 2.952 0.834 0.6109

15 minute winter 27 12 86.226 1.326 212.4 3.4935 0.0000SURCHARGED 3.008 32 214.8 3.051 1.087 1.9047

15 minute winter 28 10 87.871 0.163 33.7 0.2973 0.0000OK 4.000 29 33.3 1.381 0.889 0.3431

15 minute winter 29 10 87.733 0.100 48.2 0.1311 0.0000OK 4.001 30 47.9 2.562 0.392 0.3935

15 minute winter 30 10 86.620 0.117 71.1 0.1575 0.0000OK 4.002 31 71.2 3.203 0.510 0.4834

15 minute winter 31 11 85.285 0.161 71.2 0.1395 0.0000OK 4.003 32 69.0 2.669 0.458 0.3909

15 minute winter 32 12 84.979 1.004 307.7 3.0248 0.0000SURCHARGED 3.009 33 305.6 2.771 1.874 2.2266

15 minute winter 33 12 84.304 0.539 305.6 1.3714 0.0000SURCHARGED 3.010 8 306.0 1.933 1.181 1.9100

15 minute winter 8 12 84.086 0.401 306.0 1.0195 0.0000OK 3.011 11 305.9 2.649 0.988 8.2257

15 minute winter 1 12 90.183 0.884 35.7 1.7095 0.0000SURCHARGED 1.000 2 30.3 2.156 0.832 0.3373

15 minute winter 2 13 89.742 1.316 46.2 2.3945 0.0000SURCHARGED 1.001 3 38.0 1.114 0.655 0.4692

15 minute winter 3 12 89.661 1.382 55.0 2.7172 0.0000FLOOD RISK 1.002 4 54.7 1.374 0.941 0.5456

15 minute winter 4 12 89.495 1.387 99.5 4.1245 0.0000FLOOD RISK 1.003 5 92.2 2.317 1.191 1.6701

15 minute winter 5 12 88.010 0.827 129.4 2.5062 0.0000SURCHARGED 1.004 6 126.3 3.176 1.190 0.7892

15 minute winter 6 12 86.466 0.177 137.7 0.3814 0.0000OK 1.005 7 137.6 3.012 0.532 0.5717

15 minute winter 7 11 85.861 0.211 195.9 0.8256 0.0000OK 1.006 Inlet 01 195.8 3.983 0.705 0.4370

240 minute winter Inlet 01 236 85.558 0.782 58.1 0.0000 0.0000OK Flow through pond Outfall 01 32.1 0.020 0.009 244.6814

240 minute winter Outfall 01 236 85.557 0.807 37.5 0.0000 0.0000SURCHARGED 2.000 10 41.0 0.721 0.168 0.3686

240 minute winter 10 236 85.557 1.057 41.0 2.6904 0.0000SURCHARGED Hydro-Brake® 11 6.7

15 minute winter 11 11 83.250 0.227 354.3 0.8358 0.0000OK 2.002 12 355.3 4.305 0.432 1.9063

15 minute winter 12 12 81.923 0.271 379.8 0.8481 0.0000OK 2.003 13 375.7 3.740 0.483 3.2238

15 minute winter 13 12 81.150 0.932 417.0 3.3154 0.0000SURCHARGED 2.004 14 407.7 2.574 0.507 3.2769

30 minute summer 14 20 80.667 1.717 475.9 8.3823 0.0000FLOOD RISK 2.005 Inlet 02 467.9 2.953 1.324 0.9957

30 minute winter Inlet 02 21 80.446 1.658 450.3 0.0000 0.0000OK Flow through pond Outfall 03 376.7 0.127 0.438 339.4283

15 minute summer 9 11 81.000 0.800 33.0 1.4648 0.0000FLOOD RISK 6.000 Inlet 04 28.8 3.677 1.633 0.0377

15 minute winter Inlet 04 12 79.674 0.375 55.6 0.4842 0.0000OK Flow through pond Outfall 02 50.9 0.090 0.197 22.1849

60 minute winter Outfall 02 47 79.662 0.462 31.1 0.0000 0.0000FLOOD RISK 7.000 Inlet 03 12.0 0.859 0.987 0.1847

120 minute winter Inlet 03 90 79.638 0.849 11.3 0.0000 0.0000OK Flow through pond Outfall 03 182.5 0.078 0.212 415.1123

120 minute winter Outfall 03 90 79.615 0.915 207.5 0.0000 0.0000FLOOD RISK 5.000 40 102.6 1.005 0.237 0.8852

120 minute winter 40 90 79.606 1.006 102.6 3.4864 0.0000FLOOD RISK Hydro-Brake® Outfall 04 38.5

Hydro-Brake® Outfall 04 53.9

30 minute summer Outfall 04 41 78.369 0.269 91.2 0.0000 0.0000OK 5.002 J1 476.0 0.930 0.140 1.8053

Page 164: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +30% Critical

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams and Surcharge 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

180 minute winter J1 192 78.357 0.580 219.7 0.0000 0.0000FLOOD RISK Weir J2 280.3

Orifice J2 0.1

360 minute winter J2 64 78.270 0.726 87.9 0.0000 1067.2080FLOOD Weir Outfall 05 0.0 0.0

Orifice Outfall 05 0.0 0.0

15 minute summer Outfall 05 1 78.270 0.990 0.0 0.0000 0.0000OK

Page 165: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +40% Critical

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams and Surcharge 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Results for 100 year +40% Critical Storm Duration. Lowest mass balance: 96.99%

EventUS Node

IDPeak

(mins)Level(m)

Depth(m)

Inflow(l/s)

NodeVol(m³)

Flood(m³)

StatusLinkID

DS NodeID

Outflow(l/s)

Velocity(m/s)

Flow/CapLinkVol(m³)

DischargeVol(m³)

15 minute winter 16 10 91.582 0.162 53.4 0.3799 0.0000OK 3.000 17 52.7 2.094 0.762 0.8698

15 minute winter 17 11 90.919 0.112 64.5 0.1955 0.0000OK 3.001 18 63.2 1.861 0.479 0.5981

15 minute winter 18 12 90.164 0.639 89.4 1.2873 0.0000SURCHARGED 3.002 19 85.1 2.139 1.222 0.6054

15 minute winter 19 12 89.765 0.512 156.6 1.6544 0.0000SURCHARGED 3.003 20 156.1 2.739 0.886 3.1184

15 minute winter 20 13 89.128 0.981 156.1 1.4032 0.0000SURCHARGED 3.004 21 135.1 2.240 0.677 2.1836

15 minute winter 21 13 88.665 1.512 135.1 2.1640 0.0000FLOOD RISK 3.005 22 127.7 1.845 1.044 2.3762

15 minute winter 22 12 88.168 1.423 197.3 4.6422 0.0000FLOOD RISK 3.006 26 177.5 2.669 0.836 2.7475

15 minute winter 26 12 86.985 1.653 222.5 3.8305 0.0000SURCHARGED 3.007 27 214.9 3.052 0.863 0.6109

15 minute winter 27 12 86.409 1.509 219.9 3.9753 0.0000SURCHARGED 3.008 32 221.9 3.152 1.123 1.9047

15 minute winter 28 10 87.880 0.172 36.3 0.3128 0.0000OK 4.000 29 35.9 1.402 0.958 0.3629

15 minute winter 29 10 87.738 0.105 51.9 0.1375 0.0000OK 4.001 30 51.5 2.611 0.422 0.4122

15 minute winter 30 10 86.623 0.120 76.6 0.1618 0.0000OK 4.002 31 76.7 3.238 0.550 0.5549

15 minute winter 31 11 85.320 0.196 76.7 0.1695 0.0000OK 4.003 32 73.8 2.723 0.490 0.4258

15 minute winter 32 12 85.085 1.110 321.2 3.3420 0.0000SURCHARGED 3.009 33 319.9 2.901 1.962 2.2266

15 minute winter 33 12 84.342 0.577 319.9 1.4687 0.0000SURCHARGED 3.010 8 319.5 2.017 1.233 1.9528

15 minute winter 8 12 84.115 0.430 319.5 1.0935 0.0000OK 3.011 11 316.5 2.670 1.023 8.5084

15 minute winter 1 12 90.468 1.169 38.5 2.2593 0.0000FLOOD RISK 1.000 2 28.2 2.181 0.773 0.3373

15 minute winter 2 12 89.959 1.533 43.5 2.7885 0.0000FLOOD RISK 1.001 3 39.2 1.087 0.675 0.4692

15 minute winter 3 12 89.863 1.583 57.4 3.1131 0.0000FLOOD RISK 1.002 4 56.5 1.421 0.973 0.5456

15 minute winter 4 12 89.638 1.530 105.6 4.5502 0.8219FLOOD 1.003 5 94.2 2.370 1.218 1.6701

15 minute winter 5 12 88.126 0.943 135.5 2.8561 0.0000SURCHARGED 1.004 6 131.3 3.302 1.238 0.7889

15 minute winter 6 12 86.472 0.183 144.0 0.3931 0.0000OK 1.005 7 143.7 3.032 0.555 0.5965

15 minute winter 7 11 85.870 0.220 206.5 0.8616 0.0000OK 1.006 Inlet 01 206.5 4.017 0.744 0.4566

240 minute winter Inlet 01 236 85.618 0.842 62.5 0.0000 0.0000OK Flow through pond Outfall 01 34.4 0.020 0.009 268.5234

240 minute winter Outfall 01 236 85.617 0.867 44.1 0.0000 0.0000SURCHARGED 2.000 10 48.6 0.887 0.199 0.3686

240 minute winter 10 236 85.617 1.117 48.6 2.8431 0.0000SURCHARGED Hydro-Brake® 11 6.8

15 minute winter 11 11 83.253 0.230 369.7 0.8481 0.0000OK 2.002 12 369.8 4.269 0.450 2.0870

15 minute winter 12 12 81.960 0.308 397.5 0.9645 0.0000OK 2.003 13 391.1 3.698 0.503 3.4234

15 minute winter 13 12 81.310 1.092 436.2 3.8839 0.0000SURCHARGED 2.004 14 426.7 2.693 0.531 3.2769

30 minute summer 14 20 80.778 1.828 502.0 8.9223 0.0000FLOOD RISK 2.005 Inlet 02 494.0 3.118 1.398 0.9957

30 minute winter Inlet 02 21 80.528 1.739 476.0 0.0000 0.0000OK Flow through pond Outfall 03 401.5 0.131 0.467 366.0249

15 minute summer 9 10 81.000 0.800 35.6 1.7289 0.0000FLOOD RISK 6.000 Inlet 04 30.6 3.917 1.740 0.0376

120 minute winter Inlet 04 96 79.706 0.407 24.7 0.5256 0.0000OK Flow through pond Outfall 02 21.6 0.059 0.084 31.6913

120 minute winter Outfall 02 96 79.705 0.505 21.6 0.0000 0.0000FLOOD RISK 7.000 Inlet 03 11.2 0.814 0.922 0.1847

120 minute winter Inlet 03 94 79.694 0.906 11.2 0.0000 0.0000OK Flow through pond Outfall 03 191.8 0.078 0.223 450.6908

120 minute winter Outfall 03 92 79.678 0.978 214.1 0.0000 0.0000FLOOD RISK 5.000 40 118.7 1.015 0.274 0.8852

120 minute winter 40 92 79.669 1.069 118.7 3.7040 0.0000FLOOD RISK Hydro-Brake® Outfall 04 39.2

Hydro-Brake® Outfall 04 53.9

180 minute winter Outfall 04 180 78.456 0.356 618.8 0.0000 0.0000OK 5.002 J1 -346.2 -0.604 -0.102 2.2271

Page 166: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: 100 year +40% Critical

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams and Surcharge 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

60 minute winter J1 95 78.400 0.623 222.2 0.0000 0.0000FLOOD RISK Weir J2 348.7

Orifice J2 0.1

360 minute winter J2 80 78.270 0.726 89.6 0.0000 1144.9290FLOOD Weir Outfall 05 0.0 0.0

Orifice Outfall 05 0.0 0.0

15 minute summer Outfall 05 1 78.270 0.990 0.0 0.0000 0.0000OK

Page 167: Drainage Design - ribblevalley.gov.uk

Drainage Design ReportFlowv8.1

Copyright © 1988-2019 Causeway Software Solutions Limited

Network Foul Network 1

Filename S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfd

Username Julian Pearson ([email protected])

Report produced on 21/05/2019 14:08:27

Causeway Sales

Tel: +44(0) 1628 552000

Fax: +44(0) 1628 552001

Email: [email protected]

Web: www.causeway.com

Technical support web portal:

http://support.causeway.com

Page 168: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: Design Settings

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Frequency of use (kDU) 1.00

Flow per dwelling per day (l/day) 4000

Domestic Flow (l/s/ha) 0.0

Industrial Flow (l/s/ha) 0.0

Additional Flow (%) 0

Minimum Velocity (m/s) 0.75

Connection Type Level Soffits

Minimum Backdrop Height (m) 0.200

Preferred Cover Depth (m) 1.200

Include Intermediate Ground

Page 169: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: Nodes

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

NameArea(ha)

CoverLevel(m)

NodeType

ManholeType

Easting(m)

Northing(m)

Depth(m)

1 89.100Manhole Adoptable 370544.977 434554.658 1.300

2 89.039Manhole Adoptable 370535.473 434555.784 1.439

3 88.547Manhole Adoptable 370511.503 434567.427 1.300

4 87.926Manhole Adoptable 370508.936 434582.860 1.300

16 90.734Manhole Adoptable 370547.280 434481.125 1.300

17 89.766Manhole Adoptable 370532.037 434523.144 1.466

18 88.878Manhole Adoptable 370501.675 434514.178 1.367

19 88.402Manhole Adoptable 370490.414 434546.007 1.498

23 87.537Manhole Adoptable 370483.572 434582.338 2.195

24 87.549Manhole Adoptable 370487.833 434586.358 2.401

5 87.672Manhole Adoptable 370515.075 434591.514 2.871

6 87.568Manhole Adoptable 370536.466 434597.977 2.990

7 87.200Manhole Adoptable 370532.667 434609.623 2.750

25 87.735Manhole Adoptable 370590.980 434591.967 1.300

26 86.347Manhole Adoptable 370602.336 434623.370 1.548

27 85.000Manhole Adoptable 370593.349 434651.799 1.550

28 83.541Manhole Adoptable 370589.417 434672.599 1.300

11 81.256Manhole Adoptable 370599.042 434709.219 2.396

12 80.056Manhole Adoptable 370615.829 434728.169 1.580

13 79.188Manhole Adoptable 370616.027 434744.127 1.050

14 79.000Manhole Adoptable 370632.788 434755.099 1.266

15 79.000Junction 370636.227 434756.469 1.312

Page 170: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: Links (Input)

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

NameUS

NodeDS

NodeLength

(m)ks (mm) /

nVelocityEquation

US IL(m)

DS IL(m)

Fall(m)

Slope(1:X)

Dia(mm)

1.000 1 2 9.570 1.500Colebrook-White 87.800 87.600 0.200 47.9 100

1.001 2 3 26.648 1.500Colebrook-White 87.600 87.247 0.353 75.5 100

1.002 3 4 15.645 1.500Colebrook-White 87.247 86.626 0.621 25.2 100

1.003 4 5 10.610 1.500Colebrook-White 86.626 84.851 1.775 6.0 100

2.000 16 17 44.698 1.500Colebrook-White 89.434 88.300 1.134 39.4 100

2.001 17 18 31.658 1.500Colebrook-White 88.300 87.511 0.789 40.1 100

2.002 18 19 33.762 1.500Colebrook-White 87.511 86.904 0.607 55.6 150

2.003 19 23 36.970 1.500Colebrook-White 86.904 85.342 1.562 23.7 150

2.007 23 24 5.858 1.500Colebrook-White 85.342 85.148 0.194 30.2 150

2.005 24 5 27.726 1.500Colebrook-White 85.148 84.801 0.347 80.0 150

1.004 5 6 22.346 1.500Colebrook-White 84.801 84.578 0.223 100.0 150

1.005 6 7 12.250 1.500Colebrook-White 84.578 84.450 0.128 95.7 150

1.006 7 27 73.899 1.500Colebrook-White 84.450 83.450 1.000 73.9 150

3.000 25 26 33.393 1.500Colebrook-White 86.435 84.799 1.636 20.4 100

3.001 26 27 29.816 1.500Colebrook-White 84.799 83.500 1.299 23.0 100

3.002 27 28 21.168 1.500Colebrook-White 83.450 82.241 1.209 17.5 150

3.003 28 11 37.864 1.500Colebrook-White 82.241 78.860 3.381 11.2 150

1.010 11 12 25.316 1.500Colebrook-White 78.860 78.476 0.384 65.9 150

1.011 12 13 15.959 1.500Colebrook-White 78.476 78.138 0.338 47.2 150

1.012 13 14 20.033 1.500Colebrook-White 78.138 77.734 0.404 49.6 150

1.013 14 15 3.702 1.500Colebrook-White 77.734 77.688 0.046 80.0 150

Page 171: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: Links (Results)

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

NameUS

NodeDS

Node

Pro Vel@ 1/3 Q

(m/s)

Vel(m/s)

Cap(l/s)

Flow(l/s)

USDepth

(m)

DSDepth

(m)

1.000 1 2 0.218 0.963 7.6 0.1 1.200 1.339

1.001 2 3 0.193 0.766 6.0 0.1 1.339 1.200

1.002 3 4 0.264 1.330 10.4 0.1 1.200 1.200

1.003 4 5 0.467 2.735 21.5 0.1 1.200 2.721

2.000 16 17 0.240 1.062 8.3 0.1 1.200 1.366

2.001 17 18 0.266 1.052 8.3 0.1 1.366 1.267

2.002 18 19 0.253 1.176 20.8 0.2 1.217 1.348

2.003 19 23 0.415 1.806 31.9 0.4 1.348 2.045

2.007 23 24 0.367 1.598 28.2 0.4 2.045 2.251

2.005 24 5 0.287 0.980 17.3 0.5 2.251 2.721

1.004 5 6 0.297 0.876 15.5 0.6 2.721 2.840

1.005 6 7 0.314 0.895 15.8 0.7 2.840 2.600

1.006 7 27 0.335 1.020 18.0 0.7 2.600 1.400

3.000 25 26 0.203 1.478 11.6 0.0 1.200 1.448

3.001 26 27 0.353 1.393 10.9 0.2 1.448 1.400

3.002 27 28 0.620 2.100 37.1 0.9 1.400 1.150

3.003 28 11 0.744 2.627 46.4 1.1 1.150 2.246

1.010 11 12 0.402 1.080 19.1 1.1 2.246 1.430

1.011 12 13 0.449 1.277 22.6 1.1 1.430 0.900

1.012 13 14 0.452 1.246 22.0 1.1 0.900 1.116

1.013 14 15 0.375 0.980 17.3 1.1 1.116 1.162

Page 172: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: Pipeline Schedule

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

LinkName

Length(m)

Slope(1:X)

Dia(mm)

US CL(m)

US IL(m)

USDepth

(m)

DS CL(m)

DS IL(m)

DSDepth

(m)

US NodeName

Dia(mm)

DS NodeName

Dia(mm)

1.000 9.570 47.9 100 89.100 87.800 1.200 89.039 87.600 1.3391 10502 1050

1.001 26.648 75.5 100 89.039 87.600 1.339 88.547 87.247 1.2002 10503 1050

1.002 15.645 25.2 100 88.547 87.247 1.200 87.926 86.626 1.2003 10504 1050

1.003 10.610 6.0 100 87.926 86.626 1.200 87.672 84.851 2.7214 10505 1350

2.000 44.698 39.4 100 90.734 89.434 1.200 89.766 88.300 1.36616 120017 1200

2.001 31.658 40.1 100 89.766 88.300 1.366 88.878 87.511 1.26717 120018 1200

2.002 33.762 55.6 150 88.878 87.511 1.217 88.402 86.904 1.34818 120019 1200

2.003 36.970 23.7 150 88.402 86.904 1.348 87.537 85.342 2.04519 120023 1200

2.007 5.858 30.2 150 87.537 85.342 2.045 87.549 85.148 2.25123 120024 1200

2.005 27.726 80.0 150 87.549 85.148 2.251 87.672 84.801 2.72124 12005 1350

1.004 22.346 100.0 150 87.672 84.801 2.721 87.568 84.578 2.8405 13506 1350

1.005 12.250 95.7 150 87.568 84.578 2.840 87.200 84.450 2.6006 13507 1050

1.006 73.899 73.9 150 87.200 84.450 2.600 85.000 83.450 1.4007 105027 1350

3.000 33.393 20.4 100 87.735 86.435 1.200 86.347 84.799 1.44825 105026 1350

3.001 29.816 23.0 100 86.347 84.799 1.448 85.000 83.500 1.40026 135027 1350

3.002 21.168 17.5 150 85.000 83.450 1.400 83.541 82.241 1.15027 135028 1050

3.003 37.864 11.2 150 83.541 82.241 1.150 81.256 78.860 2.24628 105011 1350

1.010 25.316 65.9 150 81.256 78.860 2.246 80.056 78.476 1.43011 135012 1350

1.011 15.959 47.2 150 80.056 78.476 1.430 79.188 78.138 0.90012 135013 1050

1.012 20.033 49.6 150 79.188 78.138 0.900 79.000 77.734 1.11613 105014 1050

1.013 3.702 80.0 150 79.000 77.734 1.116 79.000 77.688 1.16214 105015

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Flow v8.1 Design Report: Manhole Schedule

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

NodeName

Easting(m)

Northing(m)

CL(m)

Depth(m)

Dia(mm)

LinkID

IL(m)

Dia(mm)

1 370544.977 434554.658 89.100 1.300 1050

0 1.000 87.800 100

2 370535.473 434555.784 89.039 1.439 10501 1.000 87.600 100

0 1.001 87.600 100

3 370511.503 434567.427 88.547 1.300 10501 1.001 87.247 100

0 1.002 87.247 100

4 370508.936 434582.860 87.926 1.300 10501 1.002 86.626 100

0 1.003 86.626 100

16 370547.280 434481.125 90.734 1.300 1200

0 2.000 89.434 100

17 370532.037 434523.144 89.766 1.466 12001 2.000 88.300 100

0 2.001 88.300 100

18 370501.675 434514.178 88.878 1.367 12001 2.001 87.511 100

0 2.002 87.511 150

19 370490.414 434546.007 88.402 1.498 12001 2.002 86.904 150

Page 174: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: Manhole Schedule

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

0 2.003 86.904 150

23 370483.572 434582.338 87.537 2.195 12001 2.003 85.342 150

0 2.007 85.342 150

24 370487.833 434586.358 87.549 2.401 12001 2.007 85.148 150

0 2.005 85.148 150

5 370515.075 434591.514 87.672 2.871 13501 2.005 84.801 150

2 1.003 84.851 100

0 1.004 84.801 150

6 370536.466 434597.977 87.568 2.990 13501 1.004 84.578 150

0 1.005 84.578 150

7 370532.667 434609.623 87.200 2.750 10501 1.005 84.450 150

0 1.006 84.450 150

25 370590.980 434591.967 87.735 1.300 1050

0 3.000 86.435 100

26 370602.336 434623.370 86.347 1.548 13501 3.000 84.799 100

0 3.001 84.799 100

27 370593.349 434651.799 85.000 1.550 13501 3.001 83.500 100

Page 175: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: Manhole Schedule

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

2 1.006 83.450 150

0 3.002 83.450 150

28 370589.417 434672.599 83.541 1.300 10501 3.002 82.241 150

0 3.003 82.241 150

11 370599.042 434709.219 81.256 2.396 13501 3.003 78.860 150

0 1.010 78.860 150

12 370615.829 434728.169 80.056 1.580 13501 1.010 78.476 150

0 1.011 78.476 150

13 370616.027 434744.127 79.188 1.050 10501 1.011 78.138 150

0 1.012 78.138 150

14 370632.788 434755.099 79.000 1.266 10501 1.012 77.734 150

0 1.013 77.734 150

15 370636.227 434756.469 79.000 1.312 1 1.013 77.688 150

Page 176: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: Simulation Settings

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Analysis Speed Normal

Skip Steady State

Drain Down Time (mins) 240

Foul Event Duration (mins) 1440

Page 177: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: Pre-development Discharge Rate

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Site Makeup Greenfield

Greenfield Method IH124

Positively Drained Area (ha)

SAAR (mm)

Soil Index 1

SPR 0.10

Region 1

Growth Factor 1 year 0.85

Growth Factor 30 years 1.95

Growth Factor 100 years 2.48

Betterment (%) 0

QBar

Q 1 year (l/s)

Q 30 year (l/s)

Q 100 year (l/s)

Page 178: Drainage Design - ribblevalley.gov.uk

Flow v8.1 Design Report: Pre-development Discharge Volume

S:\DESIGN\02-4 CUR\K35000\K35699 - Longsight Road, Langho, Clitheroe (DH)\1-DESIGN ADMIN\1-CALCULATIONS\FLOW EXPORT DATA\Drainage Model with Dams 170519.pfdCopyright © 1988-2019 Causeway Software Solutions Limited

Site Makeup Greenfield

Greenfield Method FSR/FEH

Positively Drained Area (ha)

Soil Index 1

SPR 0.10

CWI

Return Period (years) 100

Climate Change (%) 0

Storm Duration (mins) 360

Betterment (%) 0

PR

Runoff Volume (m3)

Page 179: Drainage Design - ribblevalley.gov.uk

Foul & Surface Water Drainage Design Housing Development, Longsight Road, Langho _____________________________________________________________________________________________

_____________________________________________________________________________________________ K35699/03DDR/PT

APPENDIX B: Plan Drawings

Page 180: Drainage Design - ribblevalley.gov.uk

Foul & Surface Water Drainage Design Housing Development, Longsight Road, Langho _____________________________________________________________________________________________

_____________________________________________________________________________________________ K35699/03DDR/PT

APPENDIX C: Surface Water Treatment Calculations

Page 181: Drainage Design - ribblevalley.gov.uk

R G PARKINS & PARTNERS LTD Job No. K35699 Page 1 of 4

Job Drg no. Date 28/02/2019

Revision Initial PT

Title Checked

DESIGN BASIS MEMORANDUM - SUSTAINABLE DRAINAGE TREATMENT OF SURFACE WATER

Design Brief

Results Summary

Indices

Pollution Hazard

Pollution MitigationTreatment Suitability

Indices

Pollution Hazard

Pollution MitigationTreatment Suitability

Indices

Pollution Hazard

Pollution MitigationTreatment Suitability Adequate Adequate Adequate

0.5 0.4 0.4

0.5 0.5 0.6

Suspended Solids Metals Hydrocarbons

Adequate Adequate Adequate

Residential roads:

Treatment component 1 Detention basin

0.5 0.4 0.4

0.5 0.5 0.6

Suspended Solids Metals Hydrocarbons

Adequate AdequateAdequate

Drives / residential parking:

Treatment component 1 Detention basin

Suspended Solids Metals Hydrocarbons

0.5

0.05

Sustainable Drainage - Treatment

Meadowside Longsight Road

Shap Road Langho

KENDAL LA9 6NY

● Pollution Mitigation Indicies provided by Hydro International

● Interim Code of Practice for Sustainable Drainage Systems (SUDS), CIRIA, 2004

Treatment component 1

Roof Areas:

Detention basin

CALCULATION

0.5

In addition, the following references have been used in the preparation of these calculations:

0.2

● SUDS Manual, CIRIA Report C753, 2015

0.6

The following calculations outline the recommended treatment requirements for a sustainable drainage system as

outlined in the SuDS Manual 2015. The method used is the simple index approach outlined in section 26.

The requirement for oil interceptors has been assessed in line with the now withdrawn Pollution Prevention

Guidance document PPG3, produced by the Environement Agency. An oil interceptor is not required for the

proposed development.

0.2

Page 182: Drainage Design - ribblevalley.gov.uk

R G PARKINS & PARTNERS LTD Job No. K35699 Page 2 of 4

Job Drg no. Date 28/02/2019

Revision Initial PT

Title Checked

POLLUTION HAZARD INDEX

Suspended

Solids Metals

Hydro-

carbons

0.2 0.2 0.05

POLLUTION MITIGATION INDEX

The receiving water body shall be:

Suspended

Solids Metals

Hydro-

carbons

1 0.5 0.5 0.6

2 0 0 0

3 0 0 0

4 0 0 0

Total Pollution Mitigation Index 0.5 0.5 0.6

ASSESSMENT OF TREATMENT PROPOSAL

Indices

Pollution Hazard

Pollution Mitigation 0.5 0.5 0.6

Adequate Adequate Adequate

Suspended Solids Metals Hydro-carbons

0.2 0.2 0.05

Pollution Mitigation Indices

Suds Component

Detention basin

None

None

None

Pollution Hazard Indices

Source of Runoff Pollution Hazard

Residential roofing Very low

Surface Water

CALCULATION

Meadowside Longsight Road

Shap Road Langho

KENDAL LA9 6NY Sustainable Drainage - Treatment

Page 183: Drainage Design - ribblevalley.gov.uk

R G PARKINS & PARTNERS LTD Job No. K35699 Page 3 of 4

Job Drg no. Date 28/02/2019

Revision Initial PT

Title Checked

POLLUTION HAZARD INDEX

Suspended

Solids Metals

Hydro-

carbons

0.5 0.4 0.4

POLLUTION MITIGATION INDEX

The receiving water body shall be:

Suspended

Solids Metals

Hydro-

carbons

1 0.5 0.5 0.6

2 0 0 0

3 0 0 0

4 0 0 0

Total Pollution Mitigation Index 0.5 0.5 0.6

ASSESSMENT OF TREATMENT PROPOSAL

Indices

Pollution Hazard

Pollution Mitigation

CALCULATION

Langho

Meadowside Longsight Road

Shap Road

KENDAL LA9 6NY Sustainable Drainage - Treatment

0.6

Metals Hydro-carbons

LowIndividual driveway

Suds Component

Detention basin

None

None

None

Source of Runoff

Pollution Hazard Indices

Surface Water

Pollution Hazard

Adequate Adequate

Pollution Mitigation Indices

Suspended Solids

Adequate

0.5

0.5

0.4 0.4

0.5

Page 184: Drainage Design - ribblevalley.gov.uk

R G PARKINS & PARTNERS LTD Job No. K35699 Page 4 of 4

Job Drg no. Date 28/02/2019

Revision Initial PT

Title Checked

POLLUTION HAZARD INDEX

Suspended

Solids Metals

Hydro-

carbons

0.5 0.4 0.4

POLLUTION MITIGATION INDEX

The receiving water body shall be:

Suspended

Solids Metals

Hydro-

carbons

1 0.5 0.5 0.6

2 0 0 0

3 0 0 0

4 0 0 0

Total Pollution Mitigation Index 0.5 0.5 0.6

ASSESSMENT OF TREATMENT PROPOSAL

Indices

Pollution Hazard

Pollution Mitigation 0.5 0.5 0.6

Adequate Adequate Adequate

Suspended Solids Metals Hydro-carbons

0.5 0.4 0.4

Pollution Mitigation Indices

Suds Component

Detention basin

None

None

None

Pollution Hazard Indices

Source of Runoff Pollution Hazard

Low traffic roads (e.g. residential

roads and general access roads, < Low

Surface Water

CALCULATION

Meadowside Longsight Road

Shap Road Langho

KENDAL LA9 6NY Sustainable Drainage - Treatment