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<br /> FORpETAIL OF TANK SLAB
<br /> SEE SHEET F-7 SPECIFICATIONS
<br /> 1 LL F y_ 3 PEA GRAVEL 1.3 EXCAVATION AND BACKFILL: -- ----
<br /> �`� z zz BACKFILL - A, EXCAVATION: If unexpected water condition or rock is encountered, immediately contact the -
<br /> z4 F. ACCEPTABLE "SOAPS "Soopirl the look and fittings during the lest is to be done using a small
<br /> zla Chevron Rep. for instructionsSTABLE
<br /> SIL: Si proceeding with imeter to
<br /> low
<br /> a B. TANK HOLE SIZE IN STABLE SOIL: Size excavation perimeter to allow 24" minimum between tanks garden-type handl pressurized spray unit The test soap shalt be a high foaming "soop`.thot bubbles
<br /> _ _ _ _ _ _ _ _ _ easily if in Contact with an air look in the tank but wodt bubble due to dispensing from the pr¢ssur¢
<br /> -r �- -.- antl 24" rn'mimum between took sides and end caps antl the wall o/ the lank hole.
<br /> '� - ~ T .-- C. TANK HOLE SIZE IN UNSTABLE SOIL. - oppee m r. Acceptable soaps ore:
<br /> z >i "1 i- I--L' 1. Unstable soil is defined as having less than 750 lbs./sq, ft. cohesion, as calculated from on "SeaTest Concentrate
<br /> aC I' unconfined compression test, or soils with an ultimate bearing capacity of less than 3,500 "Amway Loc High Soap
<br /> lbs./sq.fl Loose sand, muck, bog, pent, swamp or landfill where soil Is colt are generally
<br /> ' "#7006 Scuthbend Leak Detector"
<br /> 00 considered unstable soilsor approved equal
<br /> in 1 ,zr 2. Size excavation perimeter to allow 24" minimum between tanks and a minimum of half the. tank G. PRE-INSTALLATION PRESSURE TEST, AIR: Extreme care Is to be used around and near the
<br /> diameter between the tank sides/end cops and the well of the teak hole. pressurized tank. Never pressurize the secondary (outer) lank without pressurizing the primary
<br /> 3. Filter fabric will be used to line tank hole for FRP tanks in unstable soil. - (inner) tank,
<br /> 1 - - - - - - - - - - - - - - - - -- - - - 4.' Permanent shoring may be used to stabilize the Nalls of the tank hole, at the discretion of the 1, Primary (Inner) Tank Test:
<br /> /f- Contractor and/or Chevron Rep. If permanent shoring is used, follow Stable Soil' size criteria Tighten oil lank fittings. Locate o pressure gauge in the vent/monitor fitting in the secondary
<br /> 0 / / 1 I \ Refer to *Alternate Backfill Materials below, I (cuter) lank. Locate o second pressure gage of o titling in the mnway oand connect the air
<br /> Z / i D. DEPTH OF TANK HOLE: pressure hose to this some fitting. Pressurize the primary (Inner) tank to a minimum 4 psi,
<br /> o s I 4' ALUMINUM FILL TUBE 3J I I 1. Contractor is responsible for establishing the tank hole depth, considering the length of piping maximum 5 psi. Monitor the pressure gages a minimum of 1 hour. There should be no pressure
<br /> o a 11! I runs, to the pump blacks and vent risers, pipe burial depth, yard slope and the following criteria: increase in the secondary (outer) tank, Soap all tank fittings.
<br /> MONITOR PROBE TO LOW 87 I (Measure at the Remove Pump opening). 2, Seconder
<br /> o y (external) Tank Test:
<br /> i : I END OF TANK. I I o. FRP: The minimum depth of cover is 3'-0' and lire maximum is T-0". Maintain the pressure in the primary tank. Free the hose from the service fitting by cutting the -
<br /> > ,ix) IFI nylon tie. Insert the hose into the Quick Disconnect check volve (found at the lop Is the service
<br /> E SAFETY REQUIREMENT:
<br /> / SLOPE TANK I" IN 10' /� No person shall enter a tank hole excavation below the 5 1t. deep level unless the wails ore shored fitting). This will allow air to transfer from the primary to secondary Lank. Pressurize to 5 PSIG.
<br /> i P Add or remove air via the supply valve as needed and allow the pressure to stabilize. Close
<br /> DOWN TOWARDS FILL END I or side sloped as prescribed by current OSHA regulations. No exceptions. State or local requirements the valve on the test manifold. Disconnect the air supply line, Monitor the pressure for one hour.
<br /> V - U that are more restrictive than Company specifications are to be adhered to as though specified in Soap the entire exterior of the tank and watch for active air bubbles which Indicote a look.
<br /> Company specifications. The Contractor is responsible for any design, materials, equipment, permits, When the test is Complete, carefully release the air pressure from the tank by opening the supply
<br /> I _ etc., for shoring or side sloping a hole valve. The olr supply line already should have been disconnected. When the air flow from the supply
<br /> �I F. FILL AND BACKFILL valve stops, remove the test manifold.
<br /> All fill materlol shall be of granular nature. free from vegetation and extraneous materiel. Chevron H. POST-INSTALLATION PRESSURE TEST, AIF:
<br /> o IT((•=�_ Rep. shall inspect and approve the material before It is spread. Spread material In lifts not to exceed
<br /> 1 c SEE DET. A BELOW STEEL PLATES UNDER EACH OPENING SEE DET, B BELOW 12 inches and tamp thoroughly. When required b local code, Contractor shall. provide a com cotton 1� Primary (Inner) Tank Test: Perform this test with all tank risers and fittings ollached. Tighten all
<br /> BY TANK MANUFACTURER test for certification of fill. y q y p p tank fittings, Locate a pressure gouge in one of the annular space monitor fittings in the
<br /> 2'-0'• 37 -0. 1/2 2'-0" secondary (outer) tank, Locate a second pressure gouge with o 5 psi pressure relief, to one of
<br /> VERIFY W/ TANK MFG. 1.4 BALLAST
<br /> MIN. MIN, - the primary (.nner) tank fillings and connect the air pressure hose to this some Biting. Pressurize
<br /> A, MATERIALS the primary (inner) tank to a minimum of 4 psi (maximum 5 psi); Soap oil lank fittings and
<br /> Water is to be used as a ballast under all conditions where ballast is required, monitor the pressure gouge for o minimum of 1/2 hour, There should be no pressure increase in
<br /> B. DRY HOLE CONDITION: the .secondary (outer) tank:
<br /> - Tanks, with backfill to lop of tanks, must be ballasted if there Is any chance that surface or 2. Secondary (outer) Tank Testi Disconnect the air supply but maintain the pressure. on the primary -
<br /> 1 subsurface water will enter the lank hole to a depth of 23" or greater above the bottom of the tank. Pressurize the secondary (outer) tank using a flexible air hose manifold, Connect o pressure
<br /> tanks. hose from the primary tank to the annufar space monitor fitting.
<br /> 8' DIA. 12,000 GAL, FIBERGLASS TANK AND EXCAVATION SECTION U CAUTION - 00 NOT BALLAST TANKS UNTIL BACKFILL 15 TO TOP OF TANKS. Pressurize the secondary lank by opening the manifold valve between the
<br /> C. WET HOLE CONDITION: primary and secondary tank. If necessary, bring pressure of both tanks to a minimum of 4 psi
<br /> Attempt to pump water from the leak hale to maintain a "Dry Hole Condition", if unable to obtain (maximum 5 psi) by reconnecting the air supply to the primary lank.
<br /> o 'Dry Hole Condition', Chevron Rep. is to be notified and will determine the course of action to be Monitor the pressure for 1/2 hour and soap oil tank fittings, risers and pipe connections, Upon
<br /> a FOR DETAIL OF TANK SLAB
<br /> followed. Install filter fabric, lie-down "logs' and bedding as specified elsewhere. Set tank in hole, completion of the test, release the air pressure from the secondary tank prior to releasing Co
<br /> z a u SEE SHEET F-7.1 partially fill with water until it sinks firmly on the bed. Use orly enough water to bolost tank until pressure from the primary tank. Damage to the primary tank may result If the pressure if not
<br /> tt`f a backhll Is to top of tank. After backfill to top of tank, fill tank with water until completion of relieved from the secondary tank first.
<br /> G Zl —PEA GRAVEL Installs lion. Caution: Relieve all lank pressure prior to removing any fillings.
<br /> BACKFILL CAUTION - BALLAST LEVEL MUST NEVER EXCEED WATER OR BACKFILL LEVEL IN THE HOLE I. POST-INSTALLATION PRESSURE TEST, HYDROSTATIC: No tank that snows any evidence Of o leak
<br /> a zl ?lam DURING INSTALLATION. Do not remove ballast until tank slob has been poured. Do not set remote is to kept in the system. Any damage Incurred to the tank during the installation will be contractors
<br /> 51 i-1 ) pump motor until ballast water has been removed from lank. responsibility The Chevron Rep, is to be notified of any damage and will deCermine the course of
<br /> action to be followed.
<br /> --- ' - ='i= - v r 1T 1.5 DOUBLE WALL, FRP TANK INSTALLATION: If a hydrostatic test Is required by a local agency, the contractor is to Isolate the tank for testing and
<br /> -1' A, MATERIALS: reconnect when testing Is complete. They hydrostatic lest will be obtained by Chevron
<br /> z ,� " J. INTERNAL MEASUREMENTS: Tcke internal diameter measurements at the fill and the remote pump
<br /> a= 1. Double-wall fiberglass reinforced plastic (FRP) storage tanks as suppled by Chevron ore to be
<br /> w I openings, sp bath single and double wall FRP tanks� The Contractor, witnessed tri¢ Chevron
<br /> installed by Contractor in accordance with in¢ pions and specifications 05 supplied by
<br /> Rep., Is responsible for making cod recording on a form provided by the Compann r
<br /> y, the required
<br /> 0 I Z manufacturer. - measurements. Take the first set of measurements prior to placing any backfill around the lank. The
<br /> In Nominal Gallons Double Wall Double WgIl second set of measurements is to be taken when the backfill hos reached subgrade (prior to pouring
<br /> Xerxes - Fluid Coptanirntal to concrete slab).
<br /> 12,000 37'-0 1/2' Long 311 Long If the difference between two sets of readings is greater than 1 1/4" stop the job. The Chevron Rep. .
<br /> ` 8'-0" O.D. 8'-1 1/2" 01 is to be notified and will determine the course of action. Contact the tank manufacturer for further
<br /> guidance
<br /> 2 / 1 \ to,o00 31'-6 1/2" Long 30'-9" Long K. BALLASTING: Only the primary (inner) tank shall be used when ballasting the tank. Never fill the
<br /> d I 4" ALUMINUM FILL TUBE 13} "8'-0" O.D. 8'-1 1/2" OD. secondary (outer) lank with a fluid. If the tanks are ballasted, conduct Hydrostatic Test (Instead of
<br /> G - ' - the post-installation air test) on the tankandfittings.
<br /> a I I 1,000 11'-J 1/8' Long 11'-6 1/8" long L. BURIAL DEPTH: The burial depth from the to of the tank to round level shall be a minimum of 3
<br /> U /
<br /> MONITOR PROBE TO LOW g7 - p g
<br /> 1 \ O NOTE: QD IS OVER THE RIBS 4'-5 7/8" O.D. 4'-J l/4" O.D. feet and a maximum or 7 feet, The fillings, if a manwoy is used, will be approximately 5 to 6 inches
<br /> END OF TANK. II ( )
<br /> 3 I I Other Contractor supplied equipment included vapor recovery (when specified) Phase I O
<br /> 2. elf the lop of the took. This shall be considered for the slope Of the piping and thus may,atlett the
<br /> tank burial depth,
<br /> I SLOPE' TANK 1" IN 10' I I I Assemblles: Adopters, dust pops and nameplate holders, Phase II Equipment! Anti-Recirculation M. VENTING: Vent the annular specs between the primary and secondary tonk only if required by kcal
<br /> m I t I DOWN TOWARDS FILL END valve, high hose retractor, nozzle swivels, flow limiter, anti-kinh'springs, swivel stops, clamps, jurisdictions. Venting of the annular space is not required by the tank manufacturer. If required, 2
<br /> 11 extension, - inch FRP pipe shall be manifold between the tanks and connected to one vent riser. Do not use the
<br /> L6 HANDLING OF FRP TANKS:
<br /> \ I i I / primary (product) tank vent to vent the annular space.
<br /> �fi ` ( ` N. INTERSTITIAL MONITOR: A pull string may be in the tank. Install a new putt string if the string is
<br /> I 1 / IL-11 1 / A. RESPONSIBILITY: The Contractor is responsible for off-loading the tanks from the delivery vehicle, missing lost or broken. The pull string is not a tank manufacturer warrenly item. Install the
<br /> A crone or backhoe of sufficient lifting capacity must be used. The weight of the double wall FRP Interstitial monitor at the bottom centerline of the FRP tank. Insert fish tape through the annular
<br /> V LI - tank Is approximately 5000 - 6000 pounds. space, Tag both the pull string to the probe signal cable at 12.5 ft, plus the burial depth. Attach the
<br /> _ I Ql B. LIFTING & MOVING: When lifting unmoving an FRP tank', always use properly sized equipment and pull string to the probe and to the fish tape and pull probe into tank. When the togs on the signal
<br /> lift by lifting W9(s). On large tanks, greater than d' diameter, use o spreader bar to ensure a lift ongle cable and the pull string match, the probe is at the bottom centerline of the tank. The pull string is
<br /> r� of at least 45' at each lifting lug. Never roll or use cables or chains around an FRP lank. Set on to remain in place for future accessibility _
<br /> SEE DET. A BELOW SEE DET. 8 BELOW r I=� {= smooth ground. free of rocks and foreign objects. 0. INSTALLING THE CONTAINMENT Si The containment sump must be watertight to prevent
<br /> STEEL PLATES UNDER EACH OPENING 1=j1- EXCEPTION - Tank con be rolled up to 90' on a smooth clean surface when performing the 'pre= liquid ingress or egress. Fiberglass inside and outside of the sump to the tank collar.
<br /> _ 2'-0" BY TANK MANUFACTURER .24'-0 1/4" 2•_0"- installation' pressure test.
<br /> MIN. VERIFY W TANK MFG MIN, C. CHOCKING: Tanks ore to be chocked in accordance with monufacturer's recommendation until P. INSTALLING THE SPILL CONTAINMENT FILLBOX: The spill containment fillbox must be liquid tight.-
<br /> / ready for installation. If windy conditions exist or ore expected, anchor tanks using minimum 1/2" Test all fillboxes by filling with water for a minimum of one hour. There should be no drop in the
<br /> nylon or hemp rope over each tank and secure to stokes of odequate size to prevent movement of water level during this test Do not drain woter into the tank.
<br /> the tanks, - lig APPROVED MATERIALS
<br /> 2 D. OPENINGS: All tanks are shipped with dust covers or steel plugs in each opening. Oust Covers are to
<br /> 10' DIA. 12,000 GAL. FIBERGLASS TANK AND EXCAVATION SECTION 0 remain in each opening until ready for the pre-astolloten pressure test All tanks must have either o A APPROVED BACKFILL MATERIALS:
<br /> a dust cap or steel plugs in place or a 5 psi pressure relief valve in piece at all times. 1. PEA GRAVEL: A clean, naturally rounded aggregate with a 1/8" minimum and a 3/4" maximum
<br /> 1/4-=V-O"' E. DAMAGE: diameter, Up to 3% of the porlicies may pass through a p8 sieve.
<br /> 1. Inspect all tanks carefully for signs of damage upon receipt. Note .any damage on the shipping 2. STONE OR GRAVEL CRUSHINGS'. Washed material with a particle size between 1/8" and 1/2'. Up
<br /> m o a FOR DETAIL OF TANK SLAB documents and notify the Chevron Rep, Contact the lank manufacturer for cddltlonol to 3% of the particles may pass through o y8 sieve,
<br /> SEE SHEET F-7.1 information. NOTE: Approved materials must be dry, free of Ice and snow, and meet ASTM C-33, Paragraph 71
<br /> 2. If the tank is damaged at any other .time, do not attempt repairs. Notify Chevron Rep. who will for quality and soundness. The dry gavel density must be a minimum of 95 pounds per cubic fact
<br /> determine the course of action. 8. TANK HOLE LINER: Contractor Is to provided a Filter Fabric Tank Hole Liner when:
<br /> Z �S '- a 0 PEA GRAVEL F, SETTING: Set tanks on prepared bed with a slope downward toward the fill end of the tank. A slope i, Tank hole is unstable soil, or ,
<br /> a °� t- BACKFILL of 3" difference between the two extreme openings of the took is davred. The acceptable conga of - 2, Specified by Chevron Rep, The entire tank hold (sides and bottom) shall be Covered. lay the
<br /> W - - _,.,-.,, slope is 4" maximum and 2" minimum; with the fill end lower than remote pump end of the tank. fabric with 2 loot minimum overlaps
<br /> E
<br /> - T '� - - "^�' T IILI-J( Tanks that exceed the acceptable slope or that slope downward to the remote pump end ore _ NOTE: Bedding material, ;ie-down "logs" and sample wells are to be placed on the top of lire filter fabric.
<br /> improperly set and must be reset. Excess fabric at top of the hole should be folded over the bockllll material at subgrade level.
<br /> E ? QI G. INSTALLATION WITH APPROVED MATERIALS: - C. APPROVED FILTER FABRIC MATERIAL:
<br /> F ou � ' 1, Place o 12" lift of backfill evenly around the tanks. Push backhll completely underneath the took Reemay Inc. - Typor 3401 or Typor 3341
<br /> o Oa between the ribs and under the end cops. Procedure con be done from bank or adjacent tank top. Phillips Fibers Corp. - "Supac 4Np" fabric
<br /> I I c If a man will be in the hole to 'work" the backs hole must be shored or side sloped as Hoechst Celanese Corp. - Tremro 51120
<br /> i•s 'r- prescribed by current OSHA regulations. or fabric approved by the tank manufacturer.
<br /> 2. Place second 12" lift or backfill evenly around the tanks. Again, repeat the *working" or backfill
<br /> ap -J— — -- between the ribs and under the end caps, Add backfill evenly around the tanks up to the tops
<br /> of the tanks.
<br /> 3. Bockfill to subgrade after piping and testing is completed -
<br /> o ZH. INSTALLATION WITH ALTERNATE MATERIALS All alternate materials must be compacted to 907
<br /> U cs x 1 , 4" ALUMINUM FILL TUBE 33O I I relative density (ASTM D- 1557-70), Contractor is to furnish Chevron Rep. with certification of
<br /> N
<br /> F 1 compaction from a registered soil engineer. Chevron Rep. is responsible for providing the exact
<br /> P z MONITOR PROBE TO LOW 07 I \ installation specification for alternate materials.an
<br /> -
<br /> 'ol 5 IJ END OF TANK. I I 1.7 TANK TESTING _
<br /> I SLOPE TANK 1" IN 10' I A. PRE-INSTALLATION TEST SET UP: Prior to the pre-Installation test, all shipping pods must be
<br /> is I a
<br /> on removed from the tank and the vacuum on the annular space must be released.
<br /> I I I DOWN TOWARDS FILL END I I P
<br /> on �' I I A vacuum an the annular s ace is not substllu to for thepre-installation lest. All installation teats
<br /> must be performed and recordedon company supplied forms. Q
<br /> �Fl _ B. NOTIFICATION: Chevron U.S.A. Inc. ('Chevron') owns the copyright rights to the design of the herein described fueling
<br /> C5 I I The Chevron Rep., MUST observe all tests. Notify of least 24 hours in advance of any tests. system as embodied in any tangible or electronic medium of expression including oil building O
<br /> \ 11 / C. PRESSURE APPLICATION SYSTEM: designs, architectural plans and drawings. The copyrighted material includes the overall form as well as
<br /> tt1 } V U I The pressure application system is to hove two pressure gauges (range 0 to 10 psi with 5 psi the arrangement and composition of spaces and elements in the design, but does not include individual
<br /> II pressure rcfiefs) in the system, both in good condition and having been tested and calibrated within standard features. Anyone who wishes to copy, distribute or sell this drawing or any derivative works D-
<br /> -( I- T a three-month period prior to the tank lest (copy of the test and calibration data to be furnished to based hereon must have the prior written consent of Chevron, except for copies made for the sole D-
<br /> •�-r I= the Chevron Rep. upon request). - purpose of preparing construction drowings for Chevron branded facilities and all such copies shall be Q
<br /> .11 SEE DET. A BELOW _ -_ USE EXTREME CARE AROUND AND NEAR THE PRESSURIZED TANK. Relieve the pressure prior to returned to Chevron upon request.
<br /> z *^�- SEE DET. 8 BELOW moving the tank or removing any fittings. ©1995 Chevron U.S.A. Inc. All r(ghls reserved.
<br /> 1=III-I I_ Never r y ( ) g primary (inner) tank first
<br /> STEEL PLATES UNDER EACH OPENING p essurize the seconder outer took without pressurizing the Amar
<br /> 2'_O" BY TANK MANUFACTURER 29'-5 J/4' 2 -0" D. LEAKING TANKS The drawings, calculations, and any specific reference to equipment, materlols or components, -;
<br /> MIN. VERIFY W TANK MFG. DO NOT install a tank which shows any evidence of a leak, The Chevron Rep is to be notified of any If included herein, are generic and not designed for site specific applications. Chevron does not warrant
<br /> / MIN, damage one] will determine the course of action to be followed. or uarent the accuracy, completeness, merchantability, intended use or applicability of such drowin
<br /> g 9 Y Y, P y. Pe Y 9s•.
<br /> E. SCOPE OF WORK; calculations, and any referenced equipment, materials or components, to lire requirements or
<br /> r� The Contractor is responsible for all labor, material and equipment necessary to conduct the needs of your site or local area Consult a registered architect or professional engineer to determine
<br /> - < following tests: any site specific design, applicability, accessibility, building code, municipal requirements and any and
<br /> V 10' DIA. 15,000 GAL. FIBERGLASS TANK AND EXCAVATION SECTION 0 Pre-Installation Pressure Test, Air all applicable federal, slate and local statutes, rules and regulations which may affect your site.
<br /> After-Instailotion Pressure Test, Air or Hydrostatic - Chevron does not provide these services.
<br /> Y ruee GENERAL NOTES PRODUCT TANKS -- _
<br /> • FILL TUBE Choy®n 9-427
<br /> j
<br /> I. SET TANK DEgPTHT9 ALLOW PRODUCT, VAPOR, AND VENT LINES
<br /> TO SLOPE 1/4 PER FOOT MIN, DOWN TO TANK. (L,{ �] -- '
<br /> cMv 6" Fn 2. CONTRACTOR- SHALL VERIFY THAT THE TURBINE HEAD WILL BE 4" TO 6" 1`Z1arketln`s 2905 W. BENJAMIN HOLT DR.
<br /> j MAX. in ,I¢" - ABOVE NOT THE' TANK BOTTOM, DO NINSTALL TURBINE,PUMP ASSEMBLY _ s•I'OC:K•I'ON, CA.
<br /> o �� IF IT IS LESST THAN O4' FROM BOOT INF TANK.
<br /> j 3. - REMOVE SHIPPING PADS FROM TANKS PRIOR TO INSTALLATION. Revlebne - SCALE AS SHOWN / DATE.- R SEP96
<br /> TOP OF FIBERGLASS OVERLAY DR. - CH. -Cj _APP '
<br /> STEEL PLATE STEEL,PLATE
<br /> DET A DET B — -- . F-3C
<br /> B235 21
<br /> FOR REFERENCE ONLY, EXISTING TANKS TO REMAIN
<br /> OCT 0 9 1996
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