THIS SOLICITATION IS HEREBY AMENDED AS FOLLOWS: Bidder … 1_3.pdf · 2020-01-06 · 9. standard...

1 Addendum # 1

IFB SA 1925

4 County Complex Court, Woodbridge, Virginia 22195-2266 · Fax (703) 335-7954

September 13, 2019

IFB SA 1925 – Manassas Southside Water Storage Tank Rehabilitation

Addendum #1

THIS SOLICITATION IS HEREBY AMENDED AS FOLLOWS:

1. Bidder Questions and Owner’s Responses 2. Revised Information 3. Contract Drawings Attachment

All other solicitation terms, conditions and provision remain unchanged and in full force and effect.

Authorized Signature Date

Name Printed Title

Procurement Department

Acknowledgement: Bidders submitting a bid response for the above named solicitation shall take note of the

following changes, additions, deletions, clarification, etc., in the Contract Documents, which shall become a part of

and have precedence over anything shown or described in the Contract Documents, and as such shall be taken into

consideration and be included in the Bidder’s response. All other terms and conditions of the Invitation For Bid shall

remain unchanged.

Bidders must acknowledge receipt of this amendment by signing and returning this addendum with the bid response

prior to the bid deadline.

(1) BIDDER QUESTIONA SNS OWER’S RESPONSES

The following are questions received and answered through the issuance of this Addendum.

Question 1. The Exhibit E Schedule of Unit Prices Item 15 states: Exterior Surfaces Pressure

Wash Clean and Coatings. The Specification section 09 90 00 states: Blast

Surfaces to SP10.

Response: The exterior surface of the tank is to be pressure washed and cleaned.

Specification Section 09 90 00 has been updated to reflect this confirmation.

See Section II below.

Question 2. Can you tell me if Dixon Engineering, Inc. will be the inspection firm or if it’s

another company?

Response: The inspection firm has not yet been finalized.

Question 3. Can you please email me a current plan holder’s list?

Response: The plan holder’s list will be posted in the Service Authority’s website.

Question 4. What is the HWL?

Response: Refer to Specification Section 09 90 00 PAINTING OF STEEL TANKS

AND APPURTENANCES, 3.06.J.1, and identified on the Field Inspection

Report dated April 16, 2019, the High Water Level is 176 FT.

Question 5. Has there been an estimate put on the project?

Response: The Service Authority doesn’t provide estimated bid costs.

Question 6. Can you provide As Built Drawings?

Response: Contract Drawings are attached to this Addendum.

Question 7. What is the schedule for work – set completion dates and/ or anticipated start and

finish dates?

Response: Refer to the Notice to Bidders for bid opening date set for September 24,

2019. The Work is anticipated to start March 2020. Regarding the

Substantial Completion date, there is a correction to the Invitation Letter,

Item 2.C. Work shall be substantially complete in 110 days from Notice to

Proceed.

Question 8. What is the size (gallon capacity) is the tank?

Response: Refer to Specification Section 01 00 01 PROJECT SUMMARY, the tank size

is 2.0 million gallons.

Question 9. Does this project require a bond?

Response: Yes, refer to Article 6 BONDS AND INSURANCE.

Question 10. Is the tank at ground level?

Response: No, the tank is elevated. Refer to attached Contract Drawings.

Question 11. The contract time seems insufficient for this scope/size of tank. Is there a

possibility of extending it? Say 150-180 days?

The contract duration for Substantial Complete cannot be changed due to

peak water demand concerns. Refer to the Notice to Bidders, bid opening is

September 24, 2019 and Work shall be substantially complete in 110 days

from Notice to Proceed.

(2) REVISED INFORMATION:

1. INVITATION LETTER

a) Substantially Completion Date:

Under “Invitation Letter” item 2.C, second sentence: DELETE sentence in its entirety and replace with:” The Work shall be substantially complete in 110 days and in accordance with Article 4.02 of the agreement”

b) Anticipated Start Date:

Under “Invitation Letter” item 2.E, Project Start: ADD sentence in its entirety: “The Owner anticipates to start this project March of 2020.”

2. PART 3 TECHNICAL PROVISION

a) SECTION 09 90 00 Painting of Steel Tanks and Appurtenances

Specification section 09 90 00, 3.04.B, Blast Cleaning, DELETE “and exterior steel

surfaces, including valve/piping vault surfaces”.

(3) ATTACHMENT

Contract Drawings

End of Addendum #1

IFB SA 1925

COVER SHEET, VICINITY, LOCATION MAPS, AND LIST OF DRAWINGS

G001 1

C. FORD J. CAMPBELL

J. MERINO L. BENNETT

AS SHOWN

CTF

N

This document shall not be used forconstruction unless signed and sealed forconstruction. Sheet No.

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Plotted By: Cody Ford

Project No.

Sheet of

Reuse of DocumentsThis document and the ideas and designs incorporatedherein, as an instrument of professional service, is theproperty of GHD and shall not be reused in whole or in partfor any other project without GHD's written authorization.© 2019 GHD

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PRINCE WILLIAM COUNTY SERVICE AUTHORITY, VAMANASSAS SOUTHSIDE WATER STORAGE TANK REHAB

11193456

9

L. BENNETT 05/2019GHD Inc.16701 Melford Boulevard, Suite 330Bowie MD 20715 USAT 1 240 206 6810 F 1 240 206 6811 W www.ghd.com

0 FOR BID LSB 05/2019

1"=2000'-0"

SITE LOCATION

LOT ADDRESS: 8460 SUMMER BREEZE PL, MANASSAS, VA 20110STREET ADDRESS: 8556 PRINCE WILLIAM PARKWAY, MANASSAS, VA 20110

1. OWNER: PRINCE WILLIAM COUNTY SERVICE AUTHORITY

2. P.I.N. 7895-00-8818

3. ZONING* SEMI-RURAL RESIDENTIAL

4. LOT SIZE: 12.34 ACRES(PROPERTY)1.58 ACRES (EASEMENT)

5. DEED REFERENCES: BK1401 PG0317 (PROPERTY)BK2651 PG0487(EASEMENT)

6. TAX ACCOUNT ID: 214682

7. HORIZONTAL DATUM: NAD -83

8. VERTICAL DATUM: NAVD -88

9. STANDARD RESPONSIBILITY NOTES, CONSULTANTS CERTIFICATION, AND SITE ANALYSISARE LOCATED ON THE EROSION & SEDIMENT CONTROL NOTES DRAWINGS.

PROJECT LOCATIONPRINCE WILLIAM COUNTY

VIRGINIA

N

0

SCALE 1"=2000' AT ORIGINAL SIZE

4000'300020001000

List of Drawings

Total Dis. Sht. Drawing Title

1 G 001 COVER SHEET, VICINITY, LOCATION MAPS, AND LIST OF DRAWINGS

2 G 002 LEGENDS, ABBREVIATIONS AND GENERAL NOTES

3 C 001 GENERAL SITE AND GRADING PLAN

4 C 002 EROSION AND SEDIMENT CONTROL PLAN

5 S 001 WATER STORAGE TANK ‐ FLOOR PLAN AND SECTION6 S 002 WATER STORAGE TANK ‐ ROOF PLAN AND DETAILS

7 M 001 WATER STORAGE TANK PLANS AND SECTION8 M 002 WATER STORAGE TANK DETAILS

9 E 001 WATER STORAGE TANK PLANS, SECTION, AND DETAILS

PRINCE WILLIAM COUNTYSERVICE AUTHORITY, VA

MANASSAS SOUTHSIDE WATER STORAGE TANKREHABILITATION

JUNE 2019IFB SA - 1925

PROJECT CODE - 24WMST0101


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NEW EQUIPMENT, STRUCTURES, ETC., ARE SHOWN ASBOLD LINEWORK AND IN THIS TEXT FORMAT.

SECTION LETTER

DRAWING NUMBER(REPRESENTS DRAWING

WHERE SECTION IS DRAWN)

SECTION LETTER

DRAWING NUMBER(REPRESENTS DRAWING WHERE

SECTION MARKS ARE SHOWN)

DETAIL NUMBERDRAWING NUMBER

(REPRESENTS DRAWINGWHERE DETAIL IS DRAWN)

DETAIL NUMBER

DRAWING NUMBER(REPRESENTS DRAWING

WHERE DETAIL IS DRAWN)

12" DIP, PEFINV EL XX.XX

PIPING DESIGNATION(VARIES, SEE 'LIST OF PIPINGDESIGNATIONS')

PIPE SIZE AND MATERIAL

12" DIP, PEF EL XX.XX℄

INVERT or CENTER LINEELEVATION

INVERT or CENTER LINENOT REQUIRED

PIPE SIZE AND PIPING DESIGNATION(VARIES, SEE 'LIST OF PIPING DESIGNATIONS')

A

X-301

DETAIL NAME

A

X-301

1

X-501

DETAILSCALE:

SECTIONSCALE:

ELEC ELECTRICAL

FM FORCE MAIN

TEL TELEPHONE

SAN SANITARY SEWER

SD STORM DRAIN

W WATER

AGIP AT-GRADE INLET PROTECTION

BOV BLOW-OFF VALVE

BRB BIORETENTION BASIN

CL CENTER LINE

COIP COMBINATION INLET PROTECTION

CONC CONCRETE

CP CONSTRUCTION POINTS

CV CHECK VALVE

DB DUCT BANK

DIP DUCTILE IRON PIPE

EL ELEVATION

ELEC ELECTRIC DUCTBANK

HB HOSE BIB

HDPE HIGH DENSITY POLYETHYLENE PIPE

LOD LIMIT OF DISTURBANCE

MBRB MICRO-BIORETENTION BASIN

MH MANHOLE

NTS NOT TO SCALE

OVF OVERFLOW

RP ROAD CONSTRUCTION POINT

RCP REINFORCED CONCRETE PIPE

SDMH STORM DRAIN MAHNOLE

SF SILT FENCE

SSF SUPER SILT FENCE

SIP STANDARD INLET PROTECTION

STD STANDARD

STA STATION

TEL TELEPHONE CABLE

TM TAX MAP

TRANS TRANSITION

UNK UNKNOWN

X

CURB LINE

GRAVEL PAVEMENT

ASPHALT PAVEMENT

FENCE LINE

STRUCTURE

CONCRETE SIDEWALK/PAVEMENT

TREE LINE

MAJOR CONTOUR

MINOR CONTOUR

RIPRAP/STONE

INLET/CATCH BASIN

E

T

OHE

FM

G

SD

SAN

W

ELECTRIC LINE/CONDUIT

OVERHEAD ELECTRIC

TELEPHONE LINE

FORCE MAIN

GAS LINE

SANITARY SEWER LINE

STORM DRAIN LINE

WATER LINE

MANHOLE

LIGHT POLE

UTILITY POLE

TREE

FIRE HYDRANT

SIGN

CLEANOUTCO

1.25 SPOT GRADE

FM FORCE MAIN

S

10

8

PROPERTY LINE

100 YEAR BASE FLOOD ELEVATION

EASEMENT LINESTREAM/WATER BODY EDGE

TO BE FILLED IN PLACE WITHCONCRETE AND ABANDONED

LIMIT OF SURVEY

12" DIP, SD

PIPE SIZE AND PIPING DESIGNATION(VARIES, SEE 'LIST OF PIPING DESIGNATIONS')

PIPING DESIGNATION(VARIES, SEE 'LIST OF PIPINGDESIGNATIONS')

PIPE SIZE AND MATERIAL

1. CONSTRUCTION SHALL BE IN ACCORDANCE WITH PLAN AND SPECIFICATIONS.

2. ANY NECESSARY LANE CLOSURES SHALL FOLLOW GUIDELINES OUTLINED IN THE VIRGINIA STATE MANUAL OF UNIFORM TRAFFICCONTROL DEVICES (MUTCD).

3. CONTRACTOR SHALL COORDINATE WITH PRINCE WILLIAM COUNTY SERVICE AUTHORITY TO PROTECT, RELOCATE OR REPLACEEXISTING POWER POLES WHEN NECESSARY.

4. EXISTING CONDITIONS SHOWN ON THESE CONTRACT DRAWINGS WERE OBTAINED FROM FIELD SURVEY, RECORD DOCUMENTS ANDAVAILABLE MAPPING AND THEREFORE THEIR LOCATION MUST BE CONSIDERED APPROXIMATE ONLY. CONTRACTOR SHALL FIELDVERIFY EXISTING CONDITIONS PRIOR TO CONSTRUCTION.

5. CONTRACTOR TO REPAIR AND RESTORE ANY ADJACENT ROADWAYS, DRIVEWAYS, CURB, SIDEWALKS, UTILITIES, STORM DRAINS,CULVERTS, SWALES, CLEANOUTS, STRUCTURES, EQUIPMENT, AND/OR SUBGRADE THAT IS EXPOSED, DISTURBED, OR OTHERWISEDAMAGED BY THE CONTRACTOR'S ACTIVITIES.

6. CONTRACTOR SHALL MINIMIZE DISTURBANCE TO LIMIT REMOVAL OF TREES AND OTHER VEGETATION. CONTRACTOR IS RESPONSIBLEFOR ALL COSTS ASSOCIATED WITH CUTTING DOWN, REMOVAL, AND DISPOSAL OF ANY TREES AND VEGETATION, ALONG WITH THECOST ASSOCIATED WITH REPLACING ALL VEGETATION WITH SIMILAR SPECIES.

7. EXISTING PAVEMENT SHALL BE PROTECTED FROM DAMAGE WHERE POSSIBLE. ANY DEMOLISHED OR DAMAGED PAVEMENT TO BEREPAIRED.

8. CONTRACTOR TO FIELD VERIFY LOCATIONS OF EXISTING PIPING AND STRUCTURES.

9. CONTRACTOR SHALL CONFORM WITH ALL APPLICABLE FEDERAL, STATE, AND LOCAL CODES DURING TRENCHING ACTIVITIES.

10. ALL EXISTING PIPING, EQUIPMENT, AND STRUCTURES MUST BE FULLY SUPPORTED DURING CONSTRUCTION AGAINST VERTICAL,HORIZONTAL, AND OVERTURNING FORCES AND MOVEMENT.

11. ALL PIPE JOINTS AND FITTING SHALL BE RESTRAINED PER PLANS AND DETAILS.

12. POWER LINE POLES TO BE PROTECTED AS REQUIRED DURING CONSTRUCTION OF THE FORCE MAINS.

13. COMBINATION SEWAGE AIR/ VACUUM VALVE VAULTS AND BLOW OFF CHAMBER LOCATIONS ARE SHOWN APPROXIMATE. THE AIRRELEASE VALVE SHALL BE FIELD LOCATED AT THE HIGH POINT AND THE BLOW OFF AT THE LOW POINT BASED UPON AS CONSTRUCTEDELEVATIONS.

14. CONTRACTOR SHALL SUPPLY ALL BENDS REQUIRED TO MAINTAIN SMOOTH FLOW LINES, CHANGES IN ELEVATION AND TO MEET ALLTRANSITIONS.

15. CONTRACTOR SHALL REPLACE ALL PAVEMENT AND ROADWAYS THAT IS 1) SHOWN AS REPLACED ON THE CONTRACT DRAWINGS, 2)IMPACTED BY NEW CONSTRUCTION, AND 3) IMPACTED BY CONTRACTOR'S OPERATIONS.

16. SURVEY INFORMATION PROVIDED BY: THE ENGINEERING GROUPE IN APRIL 2019.

LEGENDS, ABBREVIATIONS AND GENERAL NOTES

G002 2

C. FORD J. CAMPBELL


AS SHOWN

CTF

278.84BM-GPS1


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1 TANK SITE PLANSCALE: 1" = 30'

GENERAL SITE AND GRADING PLAN

C001 3

C. FORD J. CAMPBELL


AS SHOWN

0 45'15' 30'


BENCHMARKSPOINT NUMBER NORTHING EASTING ELEVATION DESCRIPTION

BM-GPS1 6949977.96 11781110.10 278.84 GPS FLY/SET ROD AND CAP

BM-GPS2 6949711.70 11780666.47 284.98 GPS FLY/SET ROD AND CAP

CTF

284.98BM-GPS2

WATER TANK

WVFH

WVWV

ACCESSPERSON DOOR

CONSERVATION AREA200102090013539

N/A MATTHEW R. & LISA A. MOORE INST.200310280199090

GPIN 7895-00-5959



STORM DRAIN EASEMENT

DB: 2558 PG: 40

GUARDRAIL EASEMENTDB: 2558 PG: 40

WATER STORAGE TANK & UTILITY EASEMENTDB: 2651 PG: 487

EROSION AREAOF CONCERN

INSTALL NEW DITCH/BERM TO KEEPFLOW OUTSIDE OF TANK FENCE

REDIRECT EXISTING DITCH TO NEWDITCH/BERM OUTSIDE OF TANK FECNCE

XX

DITCHBERM

FENCE

3:1

FABRIC WRAPPED RIP RAP - 6 INCH DEPTH

1' WIDE

3:1

APPROXIMATEEXISTING GRADE


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EROSION AND SEDIMENT CONTROL PLAN

C002 4

T. DAHMER J. WETZEL


AS NOTED

N

SITE PLANSCALE: 1" = 20'

1. DITCH SIDE SLOPES 3:1

2. MINIMUM DITCH DEPTH FROM TOP OF BERM IS 18"

3. LINE WITH RIP-RAP AND GEOTEXTILE PER SPECIFICATION 312216

4. FLARE OUT AT WESTERN END BEFORE WOODED SLOPE

DITCH/BERM DETAILSCALE: NTS

0 30'10' 20'


TD

WATER STORAGE TANKFLOOR PLAN AND SECTION

S001 5

C. FORD J. CAMPBELL


AS SHOWN

SHA

SECTIONSCALE: 3/32"=1'-0"

1 FLOOR PLANSCALE: 3/32"=1'-0"


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30'-0

"

A

S001

REPLACE EXISTING LADDERCLIMB SYSTEM WITH NEWCABLE CLIMB (TYP FOR ALLLADDERS AT ENTIRE FACILITY)(REFER SPEC 05 50 00)

1. REFER TO SPECIFICATION SECTION 03 55 00 FOR CONCRETE REPAIRS.

2. REPAIR CRACKS AROUND FOUNDATION RING WALL AND COAT SURFACE PERSPECIFICATION 03 35 00.

3. GROUT AND SEAL SHRINKAGE CRACKS IN CONCRETE: GROUT UNDER CHIMEPLATE. REFER TO SPECIFICATION 03 55 00 AND 07 90 00.

REPLACE TOP 15 LADDER RUNGSIN-KIND AT WET ACCESS LADDER

REPAIR LOCALIZED SPALLSON CONC FOUNDATION WALL:SEE NOTE 1.

RUN ANTENNA CABLES UP FLUTEBETWEEN LADDER RUNS

INSTALL CABLE SUPPORT BRACKETS @ 10' OC VERT:3

8 x 3" x LENGTH AS REQD TO SPAN FLUTE: FILLETWELD TO INSIDE FACE OF FLUTE

ATTACH ANTENNA CABLES TOOUTSIDE FACE OF CATWALKGUARDRAIL AS REQD

RUN CABLES UP TO ACCESS TUBEBRACKETS: REFER DETAILS DWG S002

ANTENNA CABLES

INSTALL ANTENNA CABLES INSUPPORT BRACKETS (SEE DWG S002)

(WITH CATWALK AND ACCESS TUBE SHOWN FOR CLARITY)

0

SCALE 3/32"=1'-0" AT ORIGINAL SIZE

16'-0"12'-0"8'-0"4'-0"

4

S002CABLES ACCESS OPNG(LOCATE 3'+/- ABOVE GRADE)

4

S002CABLES ACCESS OPNG(LOCATE 3'+/- ABOVE GRADE)

COM

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WEALTH OF V I RGIN

IA

PR

OF E S S I ONAL ENG I N

EER

SEAN H. ANDERSON

Lic. No. 060255

1'-0"

1'-0"

1'-0"

3'-0"

1'-4"

1"Ø SCH 40 PIPE:CENTER ON POSTS (TYP)

2"Ø SCH 40 PIPE

TYP1/8

MACHINE KNURLEDSURFACE FOR SLIPRESISTANCE (TYP)

STEEL PLATETYP3/16

1. BEVEL BOTTOM OF POSTS AS REQUIRED TO ENSURE GRABRAIL IS VERTICAL.

2. FIELD LOCATE GRABRAIL FOR OPTIMUM USER ACCESSIBILITY WITHOUTINTERFERING WITH OPENING OF HATCH OR ADJACENT VENTS/HATCHES.

SEE NOTE 1.

(INSIDE)

38" PL w/ (6)- HOLES FOR

CONDUIT ACCESS

38" CARBON

STEEL COLLAR

2'-8"

2'-8" (FIELD VERIFY)

41 2"7"

2"

412" 3" 5" 3" 5" 3" 81

2"

7"11

1 2"

412"3"5"3"5"3"81

2"

R0'-3"

1"

1"

(8)- 12"Ø BOLTS TOSECURE COVER PLATE

16-GAGE CARBON STEELSOLID COVER PLATE: BOLTTO CONDUIT ACCESS PLATE

2" FLANGEALL AROUND

CUT WALL TOREQUIRED SIZE TOACCEPT COLLAR

(SOLID COVER PLATE NOT SHOWN FOR CLARITY)

ADJUST EDGE DIM ASNECESSARY TO FITACTUAL FLUTE SIZE(TYP)

3/16

1. LOCATE SUPPORT APPROXIMATELY 6" ABOVE EACH MEASUREMENT POINT.

2. REFER ELECTRICAL DRAWINGS FOR PROBE LOCATION.

NOTE

1.

MEASUREMENT POINT

PROBE (38"Ø)

A36 STEEL L2x2x1/4

6"

FACE OFACCESS TUBE

14"Ø SS U-BOLT w/ SSNUT EA SIDE: 12" I.D.

WATER STORAGE TANKROOF PLAN AND DETAILS

S002 6

S. ANDERSON J. CAMPBELL


AS SHOWN

SHAThis document shall not be used forconstruction unless signed and sealed forconstruction. Sheet No.

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1 ROOF PLANSCALE: 3/32"=1'-0"

1

S002

GRABRAIL: SEE DETAILTHIS SHEET (TYP OF 2)

MODIFICATIONS AT ACCESS TUBE LIDSCALE: 3/4"=1'-0"

N

0 2'-0"


1'-0"

0


16'-0"12'-0"8'-0"4'-0"

(5)- 3"Ø CORED HOLES w/ 3"Ø HEAVYDUTY THREADED FLANGE:PROVIDE 3" MALE THREADEDCARBON STEEL CAP FOR EACH HOLE

PROVIDE 3" CLEAR SPACEBETWEEN EACH OPNG (TYP)

2" CLEAR(TYP)

TYP GRABRAIL AT MANHOLESCALE: 3/4"=1'-0"

GRABRAIL: SEE DETAILTHIS SHEET

ACCESS TUBE

SEE NOTE 1.

1. CUT/GRIND OFF EXIST 2"Ø CABLE PORTS AND INSTALL 14" x 4"

CRESCENT-SHAPED STEEL COVER PLATE AS SHOWN. ALTERNATELY,CONTRACTOR MAY INSTALL 1

4" x 4" Ø COVER PLATE OVER EACH HOLE.SEAL WELD TO TOP OF ACCESS TUBE.

2. REMOVE ALL EXISTING SAFETY CLIMB DEVICES FROM ALL LADDERS ATFACILITY AND INSTALL NEW SAFETY CLIMB PER SECTION 05 50 00.

NEW SAFE CABLE CLIMB DEVICEINSTALLED ON LADDER (SEE NOTE

2.)

NEW CABLE BRACKET PER DETAIL THIS SHEET

CABLE SUPPORT BRACKETSCALE: 3/4"=1'-0"

N

1. INSTALL CABLE SUPPORT BRACKET AS CLOSE ASPOSSIBLE TO EXISTNG BRACKET. FILLET WELDALL AROUND TO ACCESS TUBE.

NEW 3 8" x 3" CABLE BRACKET(SEE NOTE 1.)

SAFE CLIMB DEVICE

18"

4" TALL LEGS

CABLE/CONDUIT ACCESS OPNG IN FLUTED WALLSCALE: 1"=1'-0"

COM

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Lic. No. 060255

0 18"6" 12"

SCALE 1"=1'-0" AT ORIGINAL SIZE

PROBE SUPPORT BRACKETNOT TO SCALE

5'-6"

WATER STORAGE TANK PLANS AND SECTION

M001 7

C. FORD J. CAMPBELL


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N

0


16'-0"12'-0"8'-0"4'-0"


1 FLOOR PLANSCALE: 3/32"=1'-0" 2 ROOF PLAN

SCALE: 3/32"=1'-0"

1. INSTALL STAINLESS STEEL CABLE FALL PROTECTION SYSTEM ON ALL LADDERS REFER TO SPECIFICATION 05 50 00.

2. SEE DWG S002 FOR MANWAY HATCH INSTALLATION.

3. REPLACE ALL EXISTING HARDWARE. HARDWARE SHALL BE COMPATIBLE WITH OWNER'S STANDARD CYLINDER AND KEYED TO THEOWNER'S STANDARD KEY. REFER TO SPECIFICATION 08 41 00 FINISH HARDWARE FOR ACCESS PERSON DOOR HARDWAREREPLACEMENT

4. APPLY ANTI-GRAFFITI COATING ON FIRST 10 FEET OF TANK EXTERIOR COLUMN.

5. CONTRACTOR SHALL FIELD COORDINATE PLACEMENT OF HYDRODYNAMIC MIXING SYSTEM AS TO NOT CONFLICT WITH OTHER TANKCOMPONENTS. SEE SPECIFICATION 46 40 00.

A

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30'

100'

78'

78'

R50'

R39'

A

M001

TIDEFLEX CHECK VALVE

190'-

6"±

SEE

NOTE

13

GRADE SURROUNDING SOIL TO 3"BELOW TOP OF EXPOSEDCONCRETE BASE AND SLOPEAWAY AND RESTORE (TYP)

SEE

NOTE

13

CONDENSATE CEILING TO BESPRAY FOAM INSULATED

NOMINAL 2" THICKNESS

40' H

EAD

RANG

E

INTERIOR CONCRETE FLOOR COATINGTO BE APPLIED IN ACCORDANCE WITHSPECIFICATION SECTION 09 85 20

NEW SPRAY FOAM INSULATIONAT NOMINAL 2" THICKNESS

OSV CHECK VALVE1

M002

HYDRODYNAMIC MIXINGSYSTEM - SEE NOTE 5

2

M002

DRAIN4

M002

EL 285.83

4" SS, DRNWELD DRAIN PIPE

TO OVERLOW PIPE

INSULATION DETAIL3

M002

UNIT HEATER5

M002

UNIT HEATER5

M002

WATER STORAGE TANK DETAILS

M002 8

C. FORD J. CAMPBELL


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B

TIDEFLEX SERIES 37CHECK VALVE

EXISTING PIPE

WELD FLANGE TOEXISTING PIPE

EXISTING PIPE

WELD FLANGE TOEXISTING PIPE

D

F

D

E

C

DIMENSIONSA B C (MIN) D E F

8" 37-1/4" 10" 7-7/8" 10-1/2" 1/2"

10" 54" 12" 9-7/8" 15-1/2" 1/2"

12" 57-1/4" 14" 11-7/8" 18-1/2" 1/2"

A

HYDRODYNAMIC MIXING SYSTEMSCALE: NTS

INSULATION DETAILSCALE: NTS

SPRAY FOAM AT 2"NOMINAL THICKNESS

SPRAY FOAM INTO FLUTES INORDER TO SEAL AIR GAPBETWEEN EXTERIOR WALLSAND CONDENSATE CEILING

MIXER

SUPPORT LEGSAND FEET

DRAINSCALE: NTS

4" TREADED PLUG

4" COUPLER

4" A36 PIPE

T-HANDLE CONSTRUCTED OF 1" SOLID ROUND BAR

EXISTING TANK BOTTOM

EXISTING 12"OVERFLOW PIPE

1/4

1/4

1/4

1/4EXISTINGEXTERIOR WALL

EXISTING CONDENSATE CEILING

MANUFACTURER SUPPLIEDOR FIELD FABRICATED

WALL MOUNTING BRACKET

EXTERIOR WALL ORSTRUCTURAL MEMBER

ELECTRIC UNIT HEATERMOUNTED AT 8' ABOVE FINISHED

FLOOR HEIGHT

UNIT HEATERSCALE: NTS

MOUNTING BRACKET WELDEDTO STRUCTURAL STEEL

CB CB DESCRIPTIONNOTESLOADCKTCKT

LOCATION:

CONDUITSIZE

ɸ/NSIZE

GSIZELOADNOTESDESCRIPTION CONDUIT

SIZEɸ/NSIZE

GSIZE

LOCATION:

TVSS/SURGE PROTECTION:

ENCLOSURE:

INCOMING FEED:

ESTIMATED CONNECTED LOAD:

FED FROM:

MAIN BREAKER TRIP:

MAIN BUS RATING:MINIMUM SHORT-CIRCUIT

INTERRUPTION RATING:

NOTES: SEE PANELBOARD SCHEDULE NOTES

2624222018161412108642

252321191715131197531

A B

EXISTNG PANEL LPAWATER STORAGE TANK

240/120V, 1P, 3W

XXXXX

200 AT

XXXXX

XXXXX

XXXXX

XXXXX

XXXXX

TEMP. INDICATING TRANSMITTER (TIT-1) 3/4" 12 12 20A/1P20A/1P 3/4" 12 12 1/2 HP SUBMERSIBLE HYDRODYNAMIC MIXER

HEATER 5KW 3/4" 10 10 30A/2P30A/2P 3/4" 10 10 5KW HEATER

WATER STORAGE TANK PLANS, SECTION, AND DETAILS

E001 9

D. CLELAND J. CAMPBELL


AS SHOWN

DNC

0


16'-0"12'-0"8'-0"4'-0"


Original Size

Title

Project

ClientDesignerDrawn

Scale

Plot Date: Filename:16 May 2019 - 11:32 AM N:\US\Chantilly\Projects\111\11193456 PWCSA TO32 Manassas SS WST Rehab\CADD\Drawings\Elec\11193456-E001.dwg

ANSI D

Date

Plotted By: Don Cleland

Project No.

Sheet of


DraftingCheck

0 1"


DesignCheck


ProjectManager


11193456

9



4-#16 TSP, 3/4" PVC COATEDRGS CONDUIT TO NEWANALOG INPUT (AI) CARD INEXISTING MODICON M340PLC CABINET

TIT1

TEMPERATUREINDICATING

TRANSMITTER 1(TIT-1)

3-

TEMPERATURE PROBESCALE: NTS

AM001


1 FLOOR PLANSCALE: 3/32"=1'-0"

N

30'

100'

78'

78'

AE001

40'-0

" HEA

D RA

NGE

5'-0"

10'

10'

10'

TE4

TE3

TE2

TE1

TEMPERATURE SENSOR (TYP)

TIT1

1E001

TEMPERATURE PROBE ROD

NOTES:

1. REPLACE EXISTING 150W INCANDESCENT LIGHT BULBS IN EXISTING FIXTURES WITH 150W LEDEQUIVALENT. NINE (9) BULBS PLUS (2) TWO SPARES.

2. INSTALL CABLE MOUNTING BRACKETS FOR PAX MIXER INSTALLATION, PER MANUFACTURERRECOMMENDATIONS.

3. TEMPERATURE TRANSMITTER 1 (TT-1), TEMPERATURE INDICATING TRANSMITTER (TIT-1) ANDMIXER CP TO BE MOUNTED USING STAINLESS STEEL STRUT AND HARDWARE.

4. UTILIZE EXISTING PANEL TO FEED NEW EQUIPMENT, REFER TO LPA SCHEDULE FOR BREAKERSTO BE ADDED.

5. EXISTING PLC CABINET TO BE UTILIZED TO FOR TEMPERATURE SIGNALS. CONTRACTOR TOINSTALL CABLE AND CONDUIT TO PLC CABINET FOR TERMINATION AND PROGRAMING BYOWNER.

6. TEMPERATURE TRANSMITTER (TT-1) TO BE INSTALLED A MINIMUM OF 12" ABOVE TOP OFOVERFLOW PIPE OPENING.

7. MANUAL MOTOR STARTER (MMS) TO BE SQUARE D CLASS 2510 WITH RED PILOT LIGHT IN A NEMA 4X WATERTIGHT ENCLOSURE. SWITCH SHALL BE ABLE TO BE MAINTAINED IN 'ON' POSITION TO ALLOW FOR THE MIXER TO BE STARTED AND STOPPED FROM THE CONTROL PANEL LOCATED ON THE GROUND LEVEL.

8. COORDINATE WITH STRUCTURAL DRAWINGS FOR PROBE MOUNTING REQUIREMENTS.

9. ALL CONDUIT TO BE INSTALLED USING STAINLESS STEEL HARDWARE.

TT1

4

XXX.XX

24 VDC POWER SUPPLY

PROGRAMMABLETEMPERATURE TRANSMITTER(BY PROBE MFR.)MOUNTED ON DIN RAIL(TYP)

3 6

53

120 VAC FROM NEW SPAREBREAKER IN EXISTING

PANEL. FEED WITH2 #12, #12 GND, 3/4"

PVC COATED RGS CONDUIT

TT1

TEMPERATURE PROBE

24 VDC TO TT-1 FROM 24VDC POWER SUPPLYFEED WITH:2 #12, #12 GND, 3/4" PVCCOATED RGS CONDUIT

MIXERCP

MMS

2-

MIXER CONDUIT RISER DIAGRAMSCALE: NTS

1/2 HPSUBMERSIBLE

HYDRODYNAMICMIXER

MFR CABLE

4-#16 TSP, 3/4" PVC COATED RGSCONDUIT FROM TEMPERATURE

TRANSMITTER TT-1 TOTEMPERATURE INDICATING

TRANSMITTER TIT-1

SUBMERSIBLEHYDRODYNAMIC

MIXER

EXISTING PANEL LPA

2 #12, #12 GND, 3/4" PVC COATED RGS CONDUIT

2 #12, #12 GND, 3/4" PVC COATED RGS CONDUIT

1-

EXISTING PANEL LPASCALE: NTS

XXX.XX

XXX.XX

XXX.XX

MMS

SUBMERSIBLEHYDRODYNAMIC MIXER

CONTROL PANEL (MIXER CP)

7

1

1

1

1

6-#14, 3/4" PVC COATED RGSCONDUIT TO EXISTING PLCCABINET

UNIT HEATER

UNIT HEATER

LPA-15, 17

LPA-14, 16

7

4

9

3

9

8

9

9

THIS SOLICITATION IS HEREBY AMENDED AS FOLLOWS: Bidder … 1_3.pdf · 2020-01-06 · 9. standard...

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