PGCPPGGCC

A Unique A Unique OpportunityOpportunity

Peter Roper PROPER GIS Consultancy Ltd.

GIS Consultant for East Staffordshire Borough Council

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O. S. Positional Accuracy O. S. Positional Accuracy ImprovementImprovement

A JUSTIFICATION FOR IMPROVED DATA ACCURACY WITHIN THE AUTHORITY’S OWN DATA.

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• Data Audit

Pre PAI ProcessesPre PAI Processes

• Data Capture

• Data Cleansing

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FundingFunding The successful completion of PAI is vital

to any organisations Data Management, which, within Local Government is the fundamental component to ensuring the successful completion of e-government initiatives, such as NLIS and NLPG.

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FundingFundingThis being the case, the channel selected to obtain the required funding, was via the IEG Board.

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Extracts FromExtracts FromIEG Board IEG Board

PresentationPresentation

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OVERVIEW

• Background

• The PAI Programme

• OS Link Files & “Rubber Sheeting”

PGCPPGGCC THE BACKGROUND

Pre PAI AccuracyFor ALL 1/2500Rural Data hasA ‘Route MeanSquare Error’

[RMSE] of 2.8m

Modern GIS “No Scale” Data

Post PAI AccuracyFor 1/2500

Rural Data hasAn RMSE of 1.1m

Post PAI AccuracyFor 1/2500 Rural

Town Datai.e. Uttoxeter, hasAn RMSE of 0.4m

PGCPPGGCC THE PAI PROGRAMME

BURTON @ 1/1250

Q3 / Q4 2003 - 2004

2005 - 2006

PGCPPGGCC OS LINK FILES

PGCPPGGCCISSUES

• What PAI means to this Authority

• The Numbers

• The Impact

• Business Benefits

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An Area of Mayfield, Showing Existing OS Mapping in GREY, with Planning Data in BLUE.

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This material has been reproduced from Ordnance Survey digital map data with the permission of the Controller of Her Majesty's Stationery Office.© Crown copyright.

Corner Cottage

9

Hillstride

PO

Gle

n-A

von

Garage

The Nook

Holmelea

12

Prin

ces

1

QuilowCottage

Dunromin

7 1

9

Pendlewych

La Vista

Ter

race

River View

4

1El

Sub

Sta

LB

131.4m

The Same Area of Mayfield, Showing Pre PAI OS Data in GREY with Post OS PAI Data in RED

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The Same Area of Mayfield, Showing Post PAI OS Data in RED with Existing Planning Data in BLUE.

PGCPPGGCCTHE NUMBERS

Polygons Within AXIS2000 82,000Additional Polygons Created DuringData Capture and Data Cleansing 53,500Additional Polygons Created DuringBasic Land and Property Unit Capture 52,500

Initial Delivery of PAI Q3 / Q4 43,500Subsequent Delivery of PAI 2005 / 2006

> 56,500

Polygons Within MapInfo GIS 188,000

Polygons Affected by PAI 100,000

PGCPPGGCCISSUES

• What PAI means to this Authority

• The Numbers

• The Impact

• Business Benefits

PGCPPGGCCSOLUTIONS

• Options

• Costs -

There is no single definitive solution to this issue.

Costs have to be borne by this authority, even though the O.S., are enforcing this change.

PGCPPGGCCOPTIONS

• External Bureau Service

• Staffs Partnership Bureau Service

• Software Providers

• When to Implement

PGCPPGGCC External Bureau Service - BKS

pros cons

Knowledge of ESBC Data

Low Cost Solution

No Quantifiable Quality Level

Staff Resources Required

PGCPPGGCCStaffs Partnership Bureau Service

pros cons

Lower Software Costs

Centralised Data Repository

Varying Resource CostsAcross The Partnership –

Difficult to Quantify

Data ‘Bottleneck’

Single Software Supplier- Laser Scan were considered

PGCPPGGCCOPTIONS

• External Bureau Service

• Staffs Partnership Bureau Service

• Software Providers

• When to Implement

PGCPPGGCCOPTIONS

When to Implement

Vs.

Wait Until Completion

Now and Again, and Again, and Again…..

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CONCLUSIONS• Do We Have A Choice?

PAI WILL HAPPEN – IT CANNOT BE IGNORED.

• Can it be Delayed?WHAT ARE THE BUSINESS IMPACTS?

• What Do We Require?A COST EFFECTIVE SOLUTION.

PGCPPGGCCRECOMMENDATION

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PAI ImplementationPAI Implementation

A Movable FeastJANUARY

FEBRUARY

JULY SEPTEMBER

AUGUST

MAY

2003

2004

2005

2006

JANUARY

AUGUST

SEPTEMBER

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BURTON @ 1/1250

Q3 / Q4 2003 - 2004

2005 - 2006

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BURTON @ 1/1250

DELIVERY MAY 2004

DELIVERY 2005 / 2006DELIVERY OCTOBER 2004

DELIVERY 3 – 8 MONTHS [DEC 2004]

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PAI ImplementationPAI Implementation

PLANNING

BUILDING CONTROL

POLICY

ENVIRNMENTAL HEALTH

LAND CHARGES

PAI CHANGES

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Pre PAI ProcessesPre PAI Processes

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“Be Prepared!”

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QuestionsQuestions•?

peter.roper@eaststaffsbc.gov.uk