ANNEXURE-4- New Tank Sketches.pdf

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WORK NOTES:

0 HAY BALES WERE PLACED AROUND EXISTING INLETS

- AS SHOWN.

@ THE i1.ooo GALLON BAKER TANK WAS PLACED HERE AS SHOWN.

© SHORING WAS PLACED AROUND ENTIRE .EXCAVATION.

0 TEMPORARY VENTS, 't' DIAMETER, WERE PLACED FOR EXISTING

UNDERGROUND STORAGE TANKS IN ACCORDANCE WITH

. NfPA 30 ON 21 MARCH 1996.

® THE PAVEMENT WAS SAW-CUT AS REQUIRED FOR

INSTALLATION OF THE UST.

(j)

TEMPORARY CHAIN LINK FENCE WAS PLACED

AROUND EXCAVATION.

SAW-CUT EXISTING .CONCRETE PAVEMENT AS

REQUIRED FOR INSTALLATION OF A 2" SIPHON

LINE. SEE DETAIL ON SHEET NO. C-3.

© CONDUIT AND WIRING WERE INSTALLED UNDERGROUND TO

INTEGRITY CONTROL PROBE PANEL IN ELECTRIC CLOSET RM#120.

I

0 ELECTRICAL ROOM FLOOR ANO EXTERIOR SIDEW.ALK WERE REMOVED

TO EXPOSE CONDUIT BLOCKED WITH GROUT COMPOUND •

(REFER TO DAILY REPORTS). CONDUIT REPLACED TO COMPLY WITH

1996 NATIONAL ELECTRICAL CODE (NEC).

® THE THREE EXISTING 4t' DIAMETER SUMPS WERE WATER TESTED

AT THE REQUEST OF THE WASHINGTON, O.C. FIRE MARSHALL. ALL

THREE SUMPS FAILED ANO WERE REPLACED WITH CORNING SUMPS.

IN ADDITION, NON-CATHODIC PROTECTED FITTINGS (OUT Of COMPLIANCE) •

WERE REPLACED WITH - MATERIALS THAT COMPLY WITH LOCAL, STATE,

AND _FEDERAL REQUIREMENTS.

@ THE CRUSHED ROCK {OUT OF COMPLIANCE) IN;TALLEO IN 1994

WAS REPLACED WITH WELL ROUNDED PEA GRA'(EL.

@ EXCAVATED TO AN APPROXIMATE DEPTH Of 14_ FEET

. FOR INSTALLATION OF 12,000 GALLON DOUBLE WALL

UNDERGROUND f'IBERGLASS GASOLINE STORAGE TANK (fOR REGULAR UNLEADED GASOLINE).

@ TANK PIPING SUMP, 42" .DIAMETER, WITH 30"

DIAMETER MANHOLE FRAME AND COVER SET IN

CONCRETE, FLUSH WITH PAVEMENT SURFACE. SEE

DETAILS ON SHEET NO. C-3 •

• @ MANHOLE FRAME, 18" DIAMETER, AND COVER

SET FLUSH IN CONCRETE FOR ACCESS TO INTERSTITIAL

PROBE, SEE DETAILS· ON SHEET NO. C-3.

@ SPJLL CONTAINMENT MANHOLE FRAME, 16" DIA�ETER,

AND COVER SET fLUSH IN CONCRETE FOR TANK

FILL. SEE DETAILS ON SHEET NO, C-3.

@ SPILL CONTAINMENT !MANHOLE FRAME, 16'' DIAMETER,

AND COVER SET FLUSH IN CONCRETE FOR STAGE 1

VAPOR RECOVERY. SEE DETAILS ON SHEET NO. - C-3.

®7 MANHOLE FRAME, 1li" DIAMETER, AND COVER SET

FLUSH IN CONCRETE FOR TANK· INVENTORY SYSTEM

PROBE. SEE DETAIL ON SHEET C-3.

------------------------------ - • -------- l - -

\ EXISTING GROUNDWATER CHAPPIE JAMES BOULEVARD . .

- -- - T - -

CENTERLINE OF CHAPPIE JAMES BOULEVARD _j MONITORING WELL N, URB LINE

---������;-��-����--������ ____:::;:;-- --6" GAS ----------- --- - --------------------------------------

INSTALLATION or TANK 11 5 4 6

19,8

GENERAL NOTES:

1. ALL PIPING, F'ILL CAPS, VAPOR RECOVERY FITTINGS, MANHOLES,

ETC., ARE COLOR-COOED WITH PAINT AS F'OLLOWS:

1, REGULAR GASOLINE - BLUE

2. UNLEADED REGULAR GASOLINE - WHITE

3. SUPER UNLEADED GASOLINE - RED

2. PRODUCT, VAPOR RECOVERY ANO VENT PIPING IS PITCHED UP

1/8" PER FT. F'ROM PIPING SUMPS TO DISPENSERS OR VENT

3. ALL WORK NEAR GASOLINE DISPENSING AREA ANO STORAGE '

TANK AREA WAS DONE IN ACCORDANCE WITH CLASS 1

DIVISION • 1 HAZARDOUS LOCATION NATIONAL ELECTRICAL CODE

REQUIREMENTS. EXISTING ELECTRICAL. WAS UPGRADED TO

CLASS I, DIVISION I REQUIREMENTS.

4. ALL ELECTRICAL CONDUITS ARE CONSTRUCTED OF RIGID STEEL

AND HAVE _SEAL-OFF F'ITTINGS INSTALLED AT .BOTH 'ENDS

OF CONDUITS RUNS.

5. DURING CONSTRUCTION AND PRIOR TO FINAL ACCEPTANCE BY

THE CONTRACTING OFFICER, TANK WAS BALLAST(D

AS REQUIRED PER MANUFACTURERS INSTRUCTIONS AND

RECOMMENDATIONS. UPON FINAL ACCEPTANCE BY CONTRACTING

OFFICER, °TANK WAS EMPTIED COMPLETELY FOR INITIAL

PRODUCT FILL BY AA�t§ •..

6. INSTALLATION OF UNDERGROUND STORAGE TANK, SIPHON

KIT, ANO SYSTEM ACCESSORIES WAS IN STRICT

ACCORDANCE WITH MANUFACTURER'S INSTRUCTIONS AND

RECOMMENDATIONS.

7. EXISTING GASOLINE STORAGE ANO DISPENSING SYSTEM WAS

UPGRADED IN ACCORDANCE WITH ALL APPLICABLE CODES

AND STANDARDS.

URB LINE

8. NEWLY INSTALLED TANK AND GASOLINE SYSTEM WAS TESTED TO COMPLY

WITH LOCAL, STATE, AND FEDERAL REQUIREMENTS.

WRITTEN TEST RESULTS CERTIFY THAT TANK ANO SYSTEM IS LEAK-TIGHT

AND IS 'INSTALLED PER CODE.

9. UPON COMPLETION OF TANK INSTALLATION, EXISTING TANKS WERE TESTED

TO ENSURE NO DAMAGE RESULTED DURING CONSTRUCTION ACTIVITIES.

10. ALL REQUIRED PERMITS, ANO INSPECTlONS WERE OBTAINED FROM CITY, COUNTY AND STATE. ALL FEES FOR PERMITS, INSPECTIONS, AND REVIEWS

WERE PAID BY CONTRACTOR.

11, "TANKNOLOGY, INC." (UNDER SEPARATE CONTRACT WITH AAFES)

MADE PERIODIC INSPECTIONS OF GASOLINE FUEL SYSTEM,

TANK INSTALLATION, PIPING, MONITORING, DISPENSING, ETC.

VISITS WERE COORDINATED PER TANKNOLOGY, INC. REQUIREMENTS

(713-690'-8265, MR. DAVID SCOTT),

12. SEE SHEET C-1 FOR LEGEND.

13, ALL ELECTRICAL WORK COMPLIES WITH N.E.C. 1996 REQUIREMENTS

AND ALL WIRING, CONDUITS, FITTINGS, SEALS AND COMPONENTS

CARRY UL LABELS AS APPROVED FOR THE PURPOSE INSTALLED.

14. HAZARDOUS AREA WIRING COMPLIES WITH N.E.C. 1996

REQUIREMENTS FOR CLASS 1, DIVISION 1 AREAS.

15. EXTERIOR CONDUITS ARE CONSTRUCTED OF HEAVY WALL RIGID GALVANIZED

STEEL (RGS) WITH 40 MIL PVC PROTECTIVE COATING. INTERIOR CONDUIT

IS CONSTRUCTED OF ELECTRIC METALLIC TUBING (EMT). ALL WIRING IS

600 VOLT, COPPER TYPE THWN (MTW) AND IS HOUSED IN

CONDUIT AND ENCASED IN CONCRETE.

O' 1"=20'

20' 40' 60'

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COO£ let. NO. 80091 SIZE: 0

5C.',!L ASSHOWN

EfONO, STk PROJECT NO.

SPEC HO.

CONSTR. COKlR,ICI' HO.

HAWAC � MO.

SHEET I.D.

C-2

I

New tank area

20,000 Reg

20,000 Split 10k Reg + 10K Super

2" Hl<SH CRO�N TYP.

AROUND ALL OPENIN<SS -------------

4'-b" AVERA<SE BURIAL

DEPTH AS MEASURED AT

CENTER OF TANKS. ANY

DEVIATION FROM THIS DEPTH

TO SE APPROVED SY

CONSTRUCTION MANA<SER

ONLY PRIOR TO TANK

SETTIN<S ACTIVITIES.

REINFORCE CONCRETE SLAS

(SEE CIVIL DRA�INCSS)

IN-TANK <SAU.SE PROSE Y'l!'---+------

'1096 OVERFILL ALARM

CALIBRATION.

INSTALL PER MFR'S

REQUIREMENTS

FE-PETRO 2 H.P.---�

SUSMERSISLE PUMP

(HOLD 4"-b" OFF

BOTTOM)

PEA <SRAVEL SED

4 BACKFILL (TYP)

4" DIA. FRP OR SCH. 40 PVC RISER

SENSOR COMMUNICATION

MONITORINCS SYSTEM

SRINE HYDROSTATIC RESERVOIR

HYDROSTATIC SENSOR

SPILL CONTAINERS (ALL

le" MANHOLE FOR SRINE RISER

.020 SCHD 40 PVC SLOTTED

�LL PIPE. .020 SLOT TO

EXTEND 12" MIN. SELO�

SOTTOM OF TANK 4

AT 24" FROM FINISH

TANKS)

2opoo <SALLON

DOUSLE�ALL

UNDER<SROUND

FISER<SLASS STORA.SE

TANK

Nearly 42'- Contractor to finalise

SUN<S HOLE

ALL RISERS TO SE

RTHA RISER PIPE 4"

PXP (PIPE) AND RTHA

RISER PIPE ADAPT 4"

SXMN (THREADED

ADAPTER ON 60TH

ENDS OF PIPE) UNLESS

NOTED OTHE-ISE

(TYP.)

<SRADE

2" HIGH C.ROl"4N TYP.

AROUND ALL OPENINGS

MONITORING TUBE

SPILL CONTAINERS (ALL

TANKS)

4'-6" AVERAGE BURIAL

DEPTH AS MEASURED AT

CENTER OF TANKS. ANY

DEVIATION FROM THIS DEPTH

TO BE APPROVED BY

CONSTRUCTION MANAGER

ONLY. PRIOR TO TANK

SETTING ACTIVITIES. ---�

4" DIA. FRP OR SC.H. 40 PVC. RISER

SENSOR COMMUNICATION

MONITORING SYSTEM

HYDROSTATIC. SENSOR

BRINE HYDROSTATIC. RESERVOIR

18" MANHOLE FOR BRINE RISER

REINFORCE c.oNc.RETE sLAB-l-----l-l--1----/ r"--'-'----'

1__,_�_=�!?��1:���--

2....c..'.

1r1F�"'-'--'-""-'--'--'--'-L�1

•r

-aa-�'---'----�'---' �4__,_ =_ �-�-�_�j_r:�:'¥1 (SEE CIVIL DRAl"41NGS)

IN-TANK GAUGE PROBE 11'4/ -+---------~

'10% OVERFILL ALARM

CALIBRATION.

INSTALL PER MFR'S

REQUIREMENTS

FE-PETRO 2 H.P. --

SUBMERSIBLE PUMP

(HOLD 4"-6" OFF

BOTTOM)

.020 SC.HD 40 PVC. -----B,;isl

SLOTTED

1"4ELL PIPE. .020 SLOT TO

EXTEND 12" MIN. BELOl"4

BOTTOM OF TANK 4

AT 24" FROM FINISH

GRADE

PEA GRAVEL BED

4 BACKFILL (TYP.)

ALL RISERS TO BE

RTHA RISER PIPE

4" PXP (PIPE) AND

RTHA RISER PIPE

ADAPT 4" BXMN

(THREADED

ADAPTER ON BOTH

ENDS OF PIPE)

UNLESS NOTED

10,000 Gallon

DOUBLEl"4ALL

OMPARTMENTALIZED

UNDERGROUND

FIBERGLASS

STORAGE TANK

42' Nearly- To be confirmed by contractor

DROP TUBE

SET AT '15%

CAPACITY

T3 Super

Q

Q

4" TO Q

6"MAX. 0

10 1-4 11

B-1311 GAS STATION-Plan