INSTALL INSTALL PLAN 1998 - Laserfiche WebLink

Home Browse Search

SPECIFICATIONS 1.1 UNDERGROUND TANKS A. RESPONSIBILITY: i. The Contractor accepts full responsibility for proper handling and installation of the fiberglass reinforced plastic (FRP) or composite underground tanks and FRP piping, and shall ensure that good workmanship, practices and construction procedures are followed during the handling and installation of the tanks and piping. 2. The Contractor Is responsible for Inspecting the tanks for damage upon receipt at the fob site. Any visible damage is to be noted on the delivery receipt. 3. The presence of the Chevron Rep. on-site does not relieve the Contractor of the responsibility FUEL DISPENSER. 66 OR for proper tank handling, Installation and safety meosuroe. 67 SEEe 1.2 REMOVAL OF EXISTING TANKS AND PIPING SYSTEMS F-6 A. RESPONSIBILITY: Contractor will furnish permits, labor and proper equipment, except as noted, to remove existing tanks and lines par the following procedure: i. Contractor, as part of the contract, will execute and comply with the Company's "Addendum Tank Dlaposai Certlflcatlon Agreement'. 2. All tanks and piping shall be removed and disposed of In accordance with the Addendum Tank a Disposal Certification Agreement and applicable state and Tocol regulations. Removal of tanks and Thea shall comply with API Recommended Praelloe 1604, Removal and Disposal of Used qUnderground Storage Tanks — December 1987 and March 1989 supplement. 3. 1 5 D 4. Chevron ole shall epomiblo forsth removalnof NFPA end load all reusable product afrlo . om the tanks. Product wlu be D U11 yRreturned to terminel or other company facility. D. REDUCE VAPOR TO REMOVAL PROCEDURE. 2"0 LINE-' 1. Excavate to the top of each bank, Care must be taken to prevent brooking product piping. Prior (TYP') 20 to starting excavation, the contractor shall ensure power is shut off to any circuit, whose S U RUN PRODUCT PIPING conduit may areas the excavation. VR AND ELECTRICAL a. Suction System: Open check valve, pull poppet and drain product from line Into tank. Do not CONDUIT INTO replace poppet. Reinstall cover on valve. OPPOSITE SIDES OF b. Pressure System: 'Break" pipe at union at remota pump. Drain product Into tank or separate 2"0 PRODUCT IN DISPENSERS 1819 (TYP.) container. 3"0 SEC. CON. PIPE (SEE PIPING PLAN) �.. 2. Avold spills, Do not allow product to drain Into soil. Contractor may be held liable if sell 3"0 V.R. contamination occurs during tank and line removal. U 3. Flush all product, vent and vapor return line back in tank or separate container(s). (Flushing In S separate containers can be dumped Into product tanks for storage.) Flush each line with a VF 2"0 PRODUCT IN Q o REDUCE VAPOR TO 4. Openofeopeniof ngs a and sfushof wInside of each tank with a minimum of 200 gallons of water using bottom of the took. 3"0 SEC. CON. PIPE 18 19 (TAP,NE 5. Chevronewillrarrange equipment o°laa vacuum with truckwand toocollect all ash rfecoveredn" the aides product (liquid and sludge). U 20 Vacuum truck Is to return recovered" product to slop" of Chevron facility or approved treating P/V VALVE AS 5 facility with approved oil/water separator system. REQUIRED BY --- VRp� Q 6. The tank must be free of flammable vapors prior to removal. Remove flommable vapors as LOCAL CODE l ' 1 prescribed by the presiding fire department and tank manufacturer's requirements. 2"0 PRODUCT IN 'Ut 7. After tank venting, the vapor space sholl be tested by placing the combustible gas indictor probe --_-- 3"0 SEC. CON. PIPE 18 19 Into the fill opening with the drop tuba removed. Reading ahouid be taken at the bottom, middle and upper portions of the tank. The tank atmosphere must be 208 or less of the lower flammable I[mit prior to removal. Refer to the probe manufacturer's Instructions for testing in low i S U oxygen condhIons. F_q i x VR 8. Prior to removal, oil tank openings should be plugged. One plug should have o 1/8" vent hole to -- VENT RISERS, �- / 8 prevent excessive pressure buildup. This vent hole must face upward at all times. v VA SEE SITE PLAN FOR ACTUAL LOCATION. . F-4 REDUCE POR TOQ - 3, Plug any corrosion caused holes using screwed bolter plugs, Chevron Rap will Inspect the INSTALL MAXIMUM . (MIN FROM TANK ' (Trip)20 " removed tanks, then release the tanks for shipment. C. POST-REMOVAL PROCEDURE: UP TO VENT RISER. (MIN. SLOPE 1/4"/FT.). U Q 1. All U.L. labels shall be removed and given to the Chevron Re SEE SLOPE VAPOR RETURN LINE 3"0 V.R. - S g p. F-4 1/4" PER FT. MIN, DOWN TO 2"0 PRODUCT IN VP 2. All tanks must be properly labeled prior to transportation fromatio the site. Transport of the tanks REGULAR UNLEADED TANK. 2"0 PRODUCT IN � must of done in accordance with all state and local regulations. 3"0 SEC. CON. PIPE 18 19 3"0 SEC. CON. PIPE 18 19 3. Follow any stole or local regulations regarding Boll samples or Inspection of tank hole and/or R tanks. When free product Is found during any phase of the removal of underground tonk(s) or NOTE: ` 3"0 V.R. piping systema Immediately notify the Chevron Rep. FIBERGLASS SUMP SHOWN IN SECTION FOR CLARITY. NOTES 1. TYPICAL PIPING LAYOUT SHOWN FOR MULTI-PRODUCT DISPENSERS. ,`NS FOR SPECIFIC DISPENSER TYPE AND CONFIGURATION FOR THIS SITE. E PRODUCT LINES 2, ALL PRODUCT LINES ARE TO BE SECONDARILY CONTAINED. 1 1!, 1/4 PER FOOT MINIMUM J. EVERY TANK CONTAINMENT SUMP AND DISPENSER CONTAINMENT SUMP SHALL CONTAIN 2"0 VENT PPRO0(M DISPENSERS TO TANK (TYP.) A LIQUID SENSING PROBE. 4. CAULK THE BOTTOM OF THE DISPENSERS TO INSURE WATER TIGHINESS. 20 V R. 5. PERPENDICULAR PENETRATIONS OF THE CONTAINMENT SUMPS ARE PREFERRED. - ___ 20' IS 111E MAXIMUM ALLOWABLE PENETRATION ANGLE. 2"0 VENT- 6. SPARE ELECTRICAL CONDUITS MUST BE SEALED. 3"x3"xT F.R.P. TEE ^ 7. SEE SHEET E-1 FOR ELECTRICAL CONDUIT LAYOUT, 3"0 V.R. 8. OBTAIN 'WRITTEN APPROVAL FROM CHEVRON FOR LESS MAN 1/4" PER FOOT 3110 V.R. SLOPE ON PRODUCT, VAPOR AND VENT LINES, 9. TANK RISERS AND DISPENSER PIPING MUST BE ADDRESSED AS FOLLOWS FOR TANKS CONTAINING GASOLINE! s ANNULAR SPACE RISER MUST BE SCHEDULE 40 GALVANIZED PIPE THAT IS PRIMED AND WRAPPED. SEE SITE PLAN FOR 111 FILL, VAPOR AND AUTOMATIC TANK RISER MUST BE SCHEDULE 40 GALVANIZED PIPE. EXACT INSTALLATION LOCATION EACH RISER MUST BE PRIMED AND WRAPPED IF BACKFILL IS TOUCHING THE RISER, UN`egoep OFSTORAGE TANKS. s TURBINE RISER MUST BE SCHEDULE 40 BLACK IRON PIPE. • ALL STEEL DISPENSER PIPING AND FITTINGS MUST BE SCHEDULE 4G BLACK IRON PIPE LIN AND PAINTED BLACK. UNLEADED 10. FOR MANIFOLDS UNLEAD TANKS USING RED JACKET SUBMERSIBLE TUR81NE PUMPS INSTALL A 'MORRISON- CHECK VALVE X1530-25T OR APPROVED EQUAL AT EACH UNDERGROUND TANK AND PIPING ISOMETRIC UNLEADED PUMP DISCHARGE, SCALE: NONE 11. USE 3"0 VAPOR RECOVERY PIPING ALL THE WAY BACK TO REGULAR UNLEADED TANK, 12. SUPREME. SIDE OF DISPENSERS MUST ALWAYS BE ON THE LEFT. - SLOPE 3"0 VAPOR RETURN LINE 1/4" PER FT, MIN, DOWN TO LAST REGULAR TANK. m RML PillINFTIAL DA-THE 3 2"0 V.R. PRELIMINARY --'----- —'-- -- _ PLANNING I- STEEL BID _ - "—.'------'-- _ D BLDG PERMIT — ----- ---- _ j 3"0 V.R. — GENERAL 81D y 2"0 V.R. PERMIT REVS D CONSTRUCTION n tion Do leesInitialed wing MARK DA'T1? HF_yit3pP4♦3 INlT7AL t for nett use drawing T 3"0 V.R. 2MMM, UNDGRGOIFICA 1111TORAQETAW pED ReGU` AND WM PIPINQ (FJl.F3D B nwl) UNLEADED REGU --- - 's UNLEADEp - R9 0 SCALE 1/o'er 0 OAiEI V/08/90 MANIFOLDED REGULAR UNLEADED TANKS M c. AP. .. . . BHEET�,.._..._�,.�_... SCALE: NONE F-2,1 XREFS: C: \DIV\SR\SHEETS\TANKS\bl..ENUED\CHEV2436.DMVG