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a FOR DETAIL OF TANK SLAB -- - _ .. ._ ..
<br /> > a SEE SHEET F-7.f_X
<br /> SPECIFICATIONS
<br /> 3 0
<br /> � PEA GRA
<br /> r a
<br /> BACKFILL 1.3 EXCAVATION AND BACKFILL:
<br /> A. EXCAVATION: H unexpected water condition or rock is encountered. Immediately contact the
<br /> -. �2 ^ r _ T Chevron Rep. for Instructions before proceeding with the excavation. F. ACCEPTABLE "SOAPS': 'Soaping' the tank and pilings during the lest Is to be done using a small
<br /> s= -r T r R B. TANK HOLE SIZE IN STABLE SOIL: Size excavation perimeter to allow 36" minimum between tanks garden-type hand-pressurized spray unit. The teat soap shall be a high foaming 'soap" that bubbles
<br /> _ and 24" minimum between tank sides and end caps and the wall of the tank hole. easily If in contact with an air leak In the tank but won't bubble due to dispensing from the pressure
<br /> C. TANK HOLE SI2E IN UNSTABLE SOIL: applicator. Acceptable soaps ore:
<br /> 1. Unstable Boll Is defined as having less than 750 lbs./sq. ft. cohesion, as calculated from an Seam Test Concentrate"
<br /> 0 o unconfined compression teat, or soils with an ultimate bearing capacity of lees than 3,500 ':Amway Loc High Soap"
<br /> I b lbs./sq.ft Loose sand, muck, bog, peat, swamp or landfill where Boll Is, soft ore generally #7008 Southbend Leak Detector'
<br /> considered n 2. Size excavation tperimeter to allow 36' minimum between tanks and a minimum of half the tank able soils. or approved aquas
<br /> diameter between the tank sides/end caps and the wall of the tank hole, G. PRE-INSTALLATION PRESSURE TEST, AIR: Extreme cora Is to be used around and near the
<br /> -� 3. Filter fabric will be used t° line tank hole for FRP tanks in unstable soil pressurized tan tank. Nevar pressurize the secondary (outer) tank without preaeurizing the primary
<br /> 4. Permanent shoring may be used to stabiiize the walls of the tank hole, at the discretion of the (Inner) tank.
<br /> ' I \ 1. Primary (Inner) Tank Tash
<br /> I Contractor and/or Chevron Rep. If permanent shoring Is used. follow Stable Soli' size criteria. Tighten all tank fittings, Locale a pressure gauge In the vent/monitor fitting in the secondary
<br /> 40 y i 4' ALUMINUM Flll TUB (W/POSITIVE SHUT OFF 42 Refer to 'Alternate Backfill Materials', below. (outer) tank. Locate a second pressure gage at a tilting in the manway and connect the air
<br /> D. DEPTH OF TANK HOLE: pressure hose to this some riling. Pressurize the primary
<br /> I 1. Contractor to responsible for establishing the tank hole depth, consideringthe length of p1pin p 9 p y (inner) tank to a minimum 4 psi,
<br /> \ I MONITOR PROBE TO L0� 87 rune, to t the pump responsible
<br /> and vent risers, pipe burial depth, p 9 9p moxlmvm 5 psi. Monitor the pressure gages a minimum of 1/2 hour. There should be no pressure
<br /> 0 3 I END OF TANK. I I (Measure at the Remove Pump opening).
<br /> P yard sloe and the following art erio: Increase In the secondary (outer) lank. Soap all tank fillings.
<br /> I I I a, FRP: The minimum depth of cover Is 3'-0" and the maximum Is 7'-0" 2. Secondary (externo) Tank Test
<br /> SLOPE TANK 1" IN 10' 11 I Maintain the pressure In the primary lank. Free the hose from the service fitting by cutting the
<br /> DOWN TOWARDS RLL END E. SAFETY REQUIREMENT: nylon tie. Insert the hose into the Quick Disconnect check valve (found at the top of the service
<br /> fitting). This will allow air to transfer from the primary to secondary tank. Pressurize to 5 PSIG.
<br /> \ � � / No person shall enter a tank hole excavation below the 5 ft. deep level unless the walla are shored Add or remove olr via the supply valve os needed and allow the pressure to stoblllze. Close
<br /> �-F or side sloped as prescribed by current OSHA regulations. No exceptions. State or local requirements the valve on the teat manifold. Disconnect the air supply line. Monitor the pressure for one hour.
<br /> i that are more restrictive than Company speclfications are to be adhered to as though specified in Soap the entire exterior of the lank and watch for active air bubbles which indicate ° leak.
<br /> \ Company speclshoring
<br /> Bid The Contractor Is responsible for any design, materials, equipment, permits, valve, the air supply line already should have been disconnected. When the air Row from the supply
<br /> i etc., for Shoring or side eloping a hole,
<br /> SIDE VIU F. RLL AND BACKFILL: stops, remove the test manifold.
<br /> All III material shall be of granular nature, free from vegetation and extraneous material. Chevron When the test is complete, carefully release the air pressure from the tank by opening the supply
<br /> EW � - �
<br /> Rep, shall inspect and approve the material before It is Spread. Spread material in lifts not to exceed H. POST-INSTALLATION PRESSURE TEST, AIR:
<br /> 1. Primary (Inner) Tank Teat: Perform this teat with SI
<br /> 12 Inches and tamp thoroughly, When required by local code, Contractor shall provide a compaction V tank risers and liftings attached. Tighten all
<br /> of i - SEE DET. A BELOW SEE DET. B BELOW teat for certification of Ill. tank fltlln9e. Locale a pressure gauge in one of the annular space monitor fltlinge in the
<br /> 1.4 BALLAST secondary (outer) tank. Locate a second pressure gauge with a 5 pal pressure relief, to one of
<br /> STEEL PLATES UNDER EACH OPENING
<br /> -0" BY TANK MANUFACTURER 24'-0 1/4' the primary (Inner) tank fittings and connect the air pressure hose to this some filing. Pressurize
<br /> MIN. 2'-0' A. MATERIALS the prtrnary (inner) tank to a minimum of 4 psi (maximum 5 psl)• Soap all tank fittings and
<br /> VERIFY W/ TANK MFG. MIN. Water Is to be used as a ballast under all conditions where ballast la required. monitor the pressure gouge for a minimum of 1/2 hour. There should be no pressure Increase in
<br /> B. DRY HOLE CONDITION: the secondary (outer) lank.
<br /> Tanks, with backlHl to top of tanks, must be ballasted If there Is any chance that surface or 2. Secondary (outer) Tank Teat: Disconnect the air supply but mointaln the pressure on the primary
<br /> BOLTED REMOVABLE COVER
<br /> subsurface water will enter the tank hole to a depth of 23" or greater above the bottom of the lank. Pressurize the secondary (outer) tank using a flexible air hose manifold. Connect a pressure
<br /> (BOLTING REMOVABLE FROM INSIDE ONLY) 1O' DIA. 12,000 GAL. FIBERGLASS TANK AND EXCAVATION SECTION Q tanks, hose from the primary tank to the annular apace monitor ffiting.Pressurize the secondary tank by opening the manifold valve between the
<br /> LOUVERS 1/4">•1 C. WET HOLE CONDITION:
<br /> primary and secondary tank. if necessary, bring pressure of both tanks to a minimum of 4 pal
<br /> _ Attempt to pump water from the tank hale to maintain a 'Dry Hole Condition'. If unable to obtain (maximum 5 psi) by reconnecting the air supply to the primary tank.
<br /> FOR DETAIL OF TANK SLAB a "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 all tank fillings, r!sam and pipe connections. Upon
<br /> > SEE SHEET F-7.1 followed. Install Ilier fgbric, lle-down "logs" and bedding is specified elsewhere. Set tank in hole; comp!allan of the lash release the air pressure from the secondary lank prior to releasing
<br /> PC
<br /> rtlally fill with water until It sinks firmly on the bad. Use only enough water to ballast lank un 111 pressure from the prlmcry lank. Damage to the primary tank may result If The pressure If not
<br /> r x a backlll is to lop of tank, After backlll to lop of tank, fill tank with solar until completion of relieved from the secondary lank first.
<br /> GGutlom Relieve all tank pressure prior to removing any filings.
<br /> PEA GRAVEL CAUTION - I. POSE-INSTALLATION PRESSURE TEST, HYDROSTATIC: No tank that shows any evidence of a leak
<br /> z BACKFILL CAUTION - BALLAST LEVEL MUST NEVER EXCEED WATER to BACKFILL LEVEL IN DHE HOLE is to be kept in the system. Any damage Incurred to the tank during the Installation will be contractor's
<br /> DURING INSTALLATION. st not remove been
<br /> ret until lank Slab has been poured. D° not sat remota responsibility, The Chevron Rep. Is to be notified of any damage and will determine the course of
<br /> ® �.^�-L'-•� '� '� - - - - T T �- -'•'*- -"�' pump molar until ballast water has been removed from tank. action to be followed.
<br /> USED OIL ONLY 1.5 DOUBLE WALL. FRP TANK INSTALLATION: If ° hydrostatic test is required by a local agency, the contractor Is to isolate the lank for testing and
<br /> u-1 �i;T A. MATERIALS: reconnect -when testing Is complete. They hydrostatic test will be obtained by Chevron.
<br /> iA r SAFEWASTE Double-wall fiberglass reinforced plastic FRP storage tanks as supplied b Chevron are to be
<br /> J. INTERNAL MEASUREMENTS: Take Internal diameter measurements °t the 111 and the remote pump
<br /> in of ? Installed 9 P (FRP) 9 PP Y openings, on both single and double wall FRP tanks. The Contractor, witnessed b the Chevron
<br /> n M h manuf ctby Contractor in accordance with the plans and specllcatlons as supplied by Rep., is responsible for making and recording on o form provided by the Company, the required
<br /> - Nominal Gallons Double Wall measurements. Take the first eat of measurements prior to placing any backfill around the tank. The
<br /> second set of measurements is to be taken when the backfil has reached subgrade (prior to pouring
<br /> Xerxes g to concrete slob),12,000 24'-0 1/4" Long If the difference between two seta of readings Is greater than 1 1/2" atop the Job. The Chevron Rep,
<br /> d I 10'-0" O.D. Itguidance,
<br /> notified and will determine the course of action, Contact the tank manufacturer for further
<br /> e Y j 4" ALUMINUM FILL TUBE W/POSITI SHUT OFF 42 15,000 29'-5 3/4" Long K. BALLASTING: Only the primary (Inner) tank shall be used when ballasting the tank. Never III the
<br /> COMBUSTIBLE d /
<br /> NO SMOKING MONITOR PROBE TO LOW 87 I I \ 10'-0" O,D, secondary (outer) tank with a fluid. If the tanks are ballasted, conduct Hydrostatic Test (Instead of
<br /> \ Ithe poet-Installation air test) on the tank and fittings.
<br /> - - END OF TANK. 120,000 37'-8 3/4" Long L. BURIAL DEPTH: The burial depth from the top of the tank to ground level shall be a minimum of 3
<br /> (NOTE: O.D. IS OVER THE RIBS) 10'-0" O-D. feet and a maximum of 7 feet. The Ittings, If a manway Is used, will be approximately 5 to 6 Inches
<br /> SLOPE TANK 1" IN 10' I off the top of the tank. This shall be considered for the slope of the piping and thus may affect the
<br /> 8' SQ. GUARD POST I I 1 ( DOWN TOWARDS RLL END 2, Other Contractor supplied equipment Included vapor recovery (when specified) Phase I tank burial depth.
<br /> 28' \ I I I Assemblies: Adapters, duet cape and nameplate holders.
<br /> 8" (TYP OF 2) Phase II Equipment: Antl-Recirculation M. VENTING: Vent the annular space between the primary and secondary tank only If required by loco)
<br /> I I / valve, high hose retractor, nozzle swivels, flow limiter, anti-kink springs, swivel stops,extension. clamps, Jurisdictions. Venting of the annular space Is not required by the tank manufacturer. If required, 2
<br /> LATERAL SUPPORTS EACH CORNER I � � Inch FRP pipe shall be manifold between the tanks and connected to one vent riser. Do not use the
<br /> \ I H 1.6 HANDLING OF FRP TANKS: primary (product) tank vent to vent the annular apace.
<br /> N. INTERSTITIAL MONITOR: A pull string may be in the tank. Install o new pull string If the string is
<br /> FRONT VIEW V U 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 warranty Item. Install the
<br /> -- A crane 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 tope through the annular
<br /> tank to 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 /> B. LIFTING k MOVING: When lifting or moving an FRP tank, always use properly sized equipment and pull string to the probe and to the fin tape and pull probe Into tank. When the togs on the signal
<br /> Z SEE DET. A BELOW lilt by lifting lug(s). On large tanks, greater than 8' diameter, use a spreader bar to ensure a lift angle sable and the pull string match, the probe Is at the bottom centarllne of the tank. The pull string !a
<br /> _ of at least 45' at each fiftn lug. Never roll or use cables or chains around an FRP tank. Set on to remain in place for future accessibility.
<br /> 4 SEE DET, B BELOW g g' 0. to
<br /> THE CONTAINMENT SUMP: The cantalnment sump must be watertight to prevent
<br /> STEEL PLATES UNDER EACH OPENING smooth ground, free of rocks and foreign objects.
<br /> BY TANK MANUFACTURER 29'_5 3j 4! 2•-0• EXCEPTION - Tank can be rolled up to 90' on a smooth clean surface when performing the 'pre- liquid ingress, or egress, Fiberglass Inside and outside of tank collar
<br /> MIN. VERIFY W/ TANK MFG, MIN. Installation" pressure test, P. INSTALLING THE SPILL CONTAINMENT FILLBOX: The split containment fillbox must be liquid tight,
<br /> C. CHOCKING: Tonka are to be chocked In accordance with manufacturer's recommendation until Teat ail Illboxea by filling with water for a minimum of one hour There should be no drop In the
<br /> ready for Installation. If windy conditions exist or are expected, anchor tanks using minimum 1/2' water level during this lest. Do not drain water Into the tank.
<br /> nylon or hemp rope over each tank and secure to stakes of adequate size to prevent movement of 1.8 APPROVED MATERIALS
<br /> �y the tanks.
<br /> L D. OPENINGS: All tanks are shipped with dust covers or steel plugs in each opening. Dust covers are to A. APPROVED BACKFILL MATERIALS:
<br /> GAL. ABOVE GROUND USED OIL TANK 9Q 10' DIA, 15,000 GAL. FIBERGLASS TANK AND EXCAVATION SECTION � remain In each opening until ready for the pre-installation pressure test, All tanks must have either a 1. PEA GRAVEL: A clean, naturally rounded aggregate with a 1/8' minimum and a 3/4' maximum
<br /> NO SCALE 1/4•'•1•_0• dust cap or steel plugs in place or a 5 psi pressure relief valve In place at all times. diameter. Up to 5% of the particles may pass through a #6 slave.
<br /> E. DAMAGE: 2. STONE OR GRAVEL CRVSHINGS: Washed material with a particle size between 1/8' and 1/2". Up
<br /> 1. Inspect all tanks carefully for signs of damage upon receipt. Note any damage on the shipping to 5X of the particles may pass through a #8 sieve.
<br /> a FOR DETAIL OF TANK SLAB documents and notify the Chevron Rep. Contact the tank manufacturer for additional NOTE: Approved materials must be dry, free of Ice and snow, and meet ASTM 0-33, Paragraph 7.1
<br /> �
<br /> � � j SEE SHEET F-7.1 information.
<br /> for quality and soundness. The dry gavel density must be a minimum of 95 pounds per cubic foot.
<br /> D F x a 2. if the tank Is damaged at any other time, do not attempt repairs. Notify Chevron Rep. who will B. TANK HOLE LINER: Contractor Is to provided a Filler Fabric Tank Hole Liner when:
<br /> Z PEA GRAVEL determine the course of action. 1. Tank hole is unstable soil, or
<br /> BACKFILL F. SETTING: Set tanks on prepared bed with a slops downward toward the fill and of the tank. A slope 2. Specified by Chevron Rep. The entire tank hold (sides and bottom) shall be covered. Lay the
<br /> of 3' difference between the two extreme openings of the tank Is desired. The acceptable range of
<br /> fabric with 2 foot minimum overlaps,
<br /> eZ -"C =C = _ = _ = =^ ^ r -r-"+ -. -+•-+T
<br /> slope la 4' maximum and 2" minimum; with the ll end lower than remote pump end of the tank. g material, tis-dawn 'lags' and sample wells era to be placed on the tap of the filter roanc.
<br /> r- -.- T -p. -,- D NOTE: Beddin
<br /> Tanks that exceed the acceptable slope or that slope downward to the remote pump and are Excess fabric ai top of the hole should be folded over the backfill materiel at subgrade level.
<br /> y z _ Improperly set and must be reset. C. APPROVED FILTER FABRIC MATERIAL:
<br /> 3 G. INSTALLATION WITH APPROVED MATERIALS: Reemcy Inc. - Typor 3401 or Typor .3,341
<br /> o •a o 1. Place a 12" lift of backlll evenly around the tanks. Push backfill completely underneath the lank Phillips Fibers Corp, -- Supac 1Np" fabric
<br /> I z between the ribs and under the end caps, Procedure can be done from bank or adjacent tank top. Hoechst Cdanase Corp. - 7revira $1120
<br /> io L" If a man will be in the hole to 'work" the bockflll, hole must be shored or side sloped ac or fabric approved by the lank manufacturer.
<br /> prescribed by current OSHA regulations.
<br /> 2. Place Second 12" tiff or oacklll evenly around the tanks. Again, repeat the "working" or backfill
<br /> between the ribs and under the end caps. Add backfill evenly around the tanks up to the tops
<br /> of the tanks.
<br /> 3. Backflil to subgrade after piping and testing is completed.
<br /> x 4" ALUMINUM FILL TUBE W/POSITIVE SHUT OFF ® I I H. INSTALLATION WITH ALTERNATE MATERIALS: All alternate materials must receive written approval from
<br /> F Z i \ the tank manufacturer and the Chevron representative.
<br /> -MONITOR PROBE TO LOW 87 I
<br /> END OF TANK. II 1.7 TANK TESTING
<br /> y I I IA. PRE-INSTALLATION TEST SET UP: Prior to the pre-Installation test, all shipping pads must be
<br /> I I I SLOPE TANK 1" IN 10'
<br /> I I DOWN TOWARDS FILL END removed from the tank and the vacuum on the annular apace must be released.
<br /> A vacuum on the annular space IS not substitute for the pre-installation test. All Installation tease -
<br /> \ / / ❑ / 8. Nmust be OTIRCATIONformed and recorded on company Supplied forms.
<br /> \ l I n The Chevron Rep., MUST observe all tests. Notify at least 24 hours In advance of any tests.
<br /> C. PRESSURE APPLICATION SYSTEM:
<br /> V
<br /> Li _'� The pressure a plication system Is to have two pressure gauges (range 0 to 10 psi with 5 psi
<br /> mijpressure reliefs In the system, both In good condition and having been tested and calibrated within n
<br /> a three-month period prior to the took test (copy of the test and colibrotlon data to be furnished to }o�rsl
<br /> the Chevron Rep, upon request). I9HL_ REVIEW INRIAL axtra
<br /> o i SEE DET. A BELOW USE EXTREME CARE AROUND AND NEAR THE PRESSURIZED TANK. Relieve the pressure prior to PRELIMINARY -T --
<br /> •I SEE DET. B BELOW Never movinpressurize thethe tank or ta condaryn(o(outer) without pressurizing the primary (Inner) tank first. PLANNING
<br /> M STEEL PLATES UNDER EACH OPENING D.
<br /> D. LEAKING TANKS: STEEL BID
<br /> LL s.
<br /> y_0^ BY TANK MANUFACTURER 37'-8 3 4"
<br /> o/ MIN. VERIFY W/ TANK MFG. MIN, DO NOT Install a tank which shows any evidence of a leak. The Chevron Rep Is, to be notified of any BLDG PERMIT
<br /> damage and will determine the course of action to be followed.
<br /> W E. SCOPE OF WORK: GENERAL BID
<br /> Z The Contractors responsible or all labor, material and equipment necessary to conduct the
<br /> m 10' DIA. 20,000 GAL. FIBERGLASS TANK AND EXCAVATION SECTION© `°'l°wing tett': iibfPERMIT REVS
<br /> a CGNSTRU"ON
<br /> Pre Installation Pressure Test, Air
<br /> After- Pressure Teat, Air or Hydrostatic Do not use drawing
<br /> for construction
<br /> s anises Initials d MARK DATE REVISIONSINFTIAL
<br /> PUMP GENERAL NOTES PHODIXT TAWS
<br /> w FILL TUBE
<br /> V) 1. SET TONSLOPE 11/4'Q PER FOOT MIIN CDOWNPTTO TANK.
<br /> LINES Chevron
<br /> 8.
<br /> MAX. 4" 2. CONTRACTOR SHALL VERIFY THAT THE TURBINE HEAD WILL BE S TO 8"
<br /> ABOVE THE TANK BOTTOM. 00 NOT INSTALL TURBINE PUMP ASSEMBLY -
<br /> . iiovkdaie.
<br /> % � IF IT IS LESS THAN 4" FROM BOTTOM OF TANK. �.A� AS SHOWN DATE,
<br /> 3. REMOVE SHIPPING PADS FROM TANKS PRIOR TO INSTALLATION.
<br /> U TOP OF FIBERGLASS OVERLAY -- --
<br /> STEEL PLATE STEEL PLATE !!-- OR Ci{ APP,
<br /> DSI A DET B F-31
<br /> nKc:r S: C: \DIV\SR\SHEETS\TANKS\BLENDED\CHEV2436,UWG
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