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SPECIFICATIONS
<br /> 1.1 UNDERGROUND TANKS
<br /> A. RESPONSIBILITY:
<br /> I. The Contractor accepts full responsibility for proper handling and installation of the fiberglass
<br /> reinforced plastic (FRP) or composite underground tanks and FRP piping, and shall ensure that
<br /> good workmanship, practices and construction procedures are followed during the handling and
<br /> installation of the tanks and piping.
<br /> 2. The Contractor Is responsible for Inspecting the tanks for damage upon receipt at the Job site.
<br /> Any visible damage Is to be noted on the delivery receipt.
<br /> 3, The presence of the Chevron Repr on-site does not relieve the Contractor of the responsibility
<br /> for proper lank handling, Installation and safety measures.
<br /> FUEL DISPENSER. 66 OR 67 1.2 REMOVAL OF EXISTING TANKS AND PIPING SYSTEMS
<br /> SEE@A. RESPONSIBILITY: Contractor will furnish permits, labor and proper equipment, except as noted, to
<br /> F-6 remove existing tanks and lines per the following procedure:
<br /> 1. Contractor, as part of the contract, will execute and comply with the Componys "Addendum
<br /> Q Tank Disposal Certification Agreement".
<br /> Q 2. All tanks and piping shall be removed and disposed of in accordance with the Addendum Tank
<br /> Q Disposal Certification Agreement and applicable state and local regulations. Removal of tanks
<br /> and Imes shall comply wlih API Hseem mend ed Practice 1604, Removal and Disposal of Used
<br /> Underground Storage Tanks - December 1987 and March 1989 supplement.
<br /> 3, Contractor shall comply with current NFPA and local regulations.
<br /> U 4. Chevron Is responsible for removal of all reusable product from the tanks. Product will be
<br /> 5 returned to terminal or other company facility.
<br /> Q VR 8, REMOVAL PROCEDURE:
<br /> REDUCE VAPOR TO 1. Excavate to the top of each tank. Care must be taken to prevent breaking product piping. Prior
<br /> 2'0 LINE to slarting excavation, the contractor shall ensure power is shut off to any circuit, whose
<br /> (TYP.) 20 Q conduit may cross the excavation.
<br /> U RUN PRODUCT PIPING a. Suction System: Open check valve, pull poppet and drain product from line into tank. Do not
<br /> 5 AND ELECTRICAL replace poppet. Reinstall cover on valve.
<br /> Vp CONDUIT INTO r' b, Pressure System: "Break" pipe at union at remote pump. Orcin product Into tank or separate
<br /> OPPOSITE SIDES OF U container.
<br /> DISPENSERS (TYP.) 2. Avoid spills. product to drain into soil. Contractor may be held liable If soil
<br /> 2"0 PRODUCT IN (SEE PIPING PLAN) contamination occurs duringtank and line removal.
<br /> f 3"0 SEC. COIN. PIPE 18 19 3. Flush all product, vent and vapor return line back In lank or separate container(s). (Flushing in
<br /> 3"0 V.R. Q S U separate containers can be dumped into product tanks for storage.) Flush each line with a
<br /> minimum of 70 gallons o1 water.
<br /> VR 4. Open all openings and flush inside of each tank with a minimum of 200 gallons of water using
<br /> 2"0 PRODUCT IN REDUCE VAPOR TO high pressure spray equipment with wand to "wash dawn" the sides and bottom of the tank.
<br /> 3"0 SEC. GON. PIPE 18 79 2'0 LINE 5. Chevron will arrange for a vacuum truck to collect all recovered product (liquid and sludge).
<br /> (TYP.) 20 O Vacuum truck Is to return recovered" product to "slop" of Chevron facility or approved treating
<br /> 5 U facility with approved oil/water separator system.
<br /> 6. The tank must be free of flammable vapors prior to removal. Remove flammable vapors as
<br /> P/V VALVE AS __-_ yR prescribed by the presiding fire deportment and tank manufacturers requirements.
<br /> REQUIRED BY �I '0 PRODUCT IN 7. After tank venting, the vapor space sholl be tested by placing the combustible gas Indictor probe
<br /> 2
<br /> LOCAL CODE Q Q into the fill opening with the drop lube removed. Reading should be taken at the bottom, middle
<br /> 3"0 SEC. CON. PIPE 1B 19 and upper portions of the tank. The tank atmosphere must be 20% or less of the lower
<br /> U flammable limit prior to removal. Refer to the probe manufacturer's instructions for testing In low
<br /> 5 oxygen conditions.
<br /> B. Prior to removal, all tank openings should be plugged. One plug should have a 1/8' vent hole to
<br /> i F-4 6 Q Q VR prevent excessive pressure buildup. This vent hole must face upward at all limes.
<br /> i REDUCE VAPOR TO 9. Plug any corrosion caused holes using screwed boiler plugs. Chevron Rep will inspect the
<br /> i
<br /> VENT RISERS, F-4 2"0 LINE removed tanks, then release the tanks /or shipment.
<br /> SEE SITE PLAN FOR ACTUAL LOCATION. (IYio 20 f,. POST-REMOVAL PROCEDURE.
<br /> UP TO VENT RISER. (MIN. SLOPE 1/4"/FT.).
<br /> INSTALL MAXIMUM SLOPE FROM TANK 5 U I. All U.L. labels shall be removed and given to the Chevron Rep.
<br /> _ VR must
<br /> All (oohs must be properly labeled prior to transportation from the site. Transport of the tanks
<br /> SEE@ SLOPE VAPOR RETURN LINE 3"0 V.R. 2"0 PRODUCT IN must be done in accordance with all state and local regulations.
<br /> F-4 0 SEC. CON. PIPE 18 19 1 Follow any state or local regulations regarding soil samples or inspection of tank hale and/or
<br /> 1/4' PER FT. MIN. DOWN TO 2'0 PRODUCT IN 3"
<br /> REGULAR UNLEADED TANK.- 3"0 SEC. CON. PIPE gg tanks. When free product Is found during any phase of the removal of underground tonk(s) or
<br /> 3"0 V.R. piping system(s), Immedlalely notify the Chevron Rep.
<br /> o NOTE.
<br /> 7 p `�.,�� FIBERGLASS SUMP
<br /> i SHOWN IN SECTION NOTES
<br /> F-5 S I, > FOR CLARITY.
<br /> i CONTAINMENT SUMP I. TYPICAL PIPING LAYOUT SHOWN FOR MULTI-PRODUCT DISPENSERS. SEE PLANS FOR
<br /> (TYP. 2) SPECIFIC DISPENSER TYPE AND CONFIGURATION FOR THIS SITE.
<br /> SEE @ 2. ALL PRODUCT LINES ARE TO BE SECONDARILY CONTAINED.
<br /> 4
<br /> i F-4 F 5 SLOPE PRODUCT LINES 3. EVERY TANK CONTAINMENT SUMP AND DISPENSER CONTAINMENT SUMP SHALL CONTAIN
<br /> 1/4" PER FOOT MINIMUM
<br /> A LIQUID SENSING PROBE.
<br /> FROM DISPENSERS TO TANK (TYP.)
<br /> 2"0 VENT 4. CAULK THE BOTTOM OF THE DISPENSERS TO INSURE WATER PGH TNESS.
<br /> 5. PERPENDICULAR PENETRATIONS OF THE CONTAINMENT SUMPS ARE PREFERRED.
<br /> 20' IS TIE MAXIMUM ALLOWABLE PENETRATION ANGLE.
<br /> 2"0 V.R.
<br /> 3"0 V.R. 2"0 VENT
<br /> ' B. SPARE ELECTRICAL CONDUITS MUST BE SEALED.
<br /> 1. SEE SHEET E-1 FOR ELECTRICAL CONDUIT LAYOUT,
<br /> 3"x3 x2 F,R.P. TEE \ 8. OBTAIN WRITTEN APPROVAL FROM CHEVRON FOR LESS THAN 1/4' PER FOOT
<br /> SLOPE ON PRODUCT, VAPOR AND VENT LINES.
<br /> 3'0 R. — 9. TANK RISERS AND DISPENSER PIPING MUST BE ADDRESSED AS FOLLOWS FOR TANKS
<br /> 3 V.R. CONTAINING GASOLINE:
<br /> 0 ANNULAR SPACE RISER MUST BE SCHEDULE 40 GALVANIZED PIPE THAT IS PRIMED
<br /> AND WRAPPED.
<br /> • FILL, VAPOR AND AUTOMATIC TANK RISER MUST BE SCHEDULE 40 GALVANIZED PIPE.
<br /> SEE SITE PLAN FOR EACH RISER MUST BE PRIMED AND WRAPPED IF BACKFILL 15 TOUCHING THE RISER.
<br /> UPRE EXACT INSTALLATION LOCATION
<br /> • TURBINE RISER MUST BE SCHEDULE 40 BLACK IRON PIPE.
<br /> UNC E OF STORAGE TANKS. • ALL STEEL DISPENSER PIPING AND FITTINGS MUST BE SCHEDULE 40 BLACK IRON PIPE
<br /> EADED AND PAINTED BLACK,
<br /> REGU 10. FOR MANIFOLDED UNLEAD TANKS USING RED JACKET SUBMERSIBLE TURBINE PUMPS
<br /> INSTALL A "MORRISON" CHECK
<br /> VALVE µ530-25T OR APPROVED EQUAL AT EACH
<br /> UNLEADED UNLEADED
<br /> UNDERGROUNDTANK AND PIPING ISOMETRIC 11. USE 3'0 VAPOR RECOVERY PIPING ALL THE WAY BACK TO REGULAR UNLEADED TANK.
<br /> SCALE: NONE 12. SUPREME SIDE OF DISPENSERS MUST ALWAYS BE ON THE LEFT.
<br /> SLOPE 3'0 VAPOR RETURN UNE
<br /> 1/4' PER FT. MIN, DOWN TO
<br /> LAST REGULAR TANK.
<br /> .J
<br /> Chevron U.S.A. Inc. ("Chevron") owns the copyright rights to the design of the herein described fueling ;
<br /> system as embodied in any tangible or electronic medium of expression Including all building O
<br /> designs, architectural plans and drawings. The copyrighted material includes the overall form as well as
<br /> the arrangement and composition of spaces and elements in the design, but does not include individual
<br /> standard lectures. Anyone who wishes to copy, distribute or sell this drawing or any derivative works CLCL
<br /> based hereon must have the prior written consent of Chevron, except for copies made for the sole
<br /> purpose of preparing construction drawings for Chevron branded facilities and all such copies shall be Q
<br /> 2'0 V.R, returned to Chevron upon request. '^
<br /> ©1995 Chevron U.S A. Inc. All rights reserved. SILL
<br /> The drawings, calculations, and any specific reference to equipment, materials or components, W
<br /> if included herein, are generic and not designed for site specific applications. Chevron does not warrant t�
<br /> 2"0 V.R. or guaranty the accuracy, completeness, merchantability, Intended use or applicability of such drawings,
<br /> calculations, and any referenced equipment, materials or components, to the requirements or
<br /> needs of your site or local area. Consult a registered architect or professional engineer to determine
<br /> any site specific design, applicability, accessibility, building code, municipal requirements and any and
<br /> all applicable federal, slate and local statutes, rules and regulations which may affect your site.
<br /> Chevron does not provide these services.
<br /> 3"0 V.R.
<br /> SUP TRIC, ur�aGROUND STORAGE TANG
<br /> UN�EADEp SYST
<br /> AND HARD PFM (BLEND B()
<br /> REGULAR
<br /> Chevron 9-6171
<br /> UNLEADED Marketing 6633 PACIFIC AVENUE
<br /> RN`egoRp STOCKTON, CALIFORNIA
<br /> ROVIIIIII SCALE 1/4'-T-O' DAM20NOV97
<br /> MANIFOLDED REGULAR UNLEADED TANKS DR CR APP.
<br /> SCALE: NONE �r
<br /> �I
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