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<br /> M 04 DOUBLE WALL FRP TANK INSTALLATION TANK TESTING 05 TANK HOLD-DOWN INSTALLATION 06 PATCH PAVING AND CONCRETE WORK
<br /> M
<br /> 9. PRE-INSTALLATION TEST SET UP: Prior to the pre-instatlotion test, all shipping pods must GENERAL REQUIREMENTS: Anchor all underground storage tanks with concrete hold-dawns
<br /> MATERIALS: Double-Wall fiberglass reinforced plastic (FRP) storage tanks as supplied by Chevron be removed from the tank and the vacuum on the, crouton space must be released. ("logs" or deadmen") when specified by Company Rep. in the Scope of Work. Refer to drawing SCOPE OF WORK:
<br /> are to be installed by Contractor in accordance with the plans and specifications. F-10 (N-PET-F10-5).
<br /> A vacuum on the annular space is not o substitute for liedhe forms.pre-installation lest. All installation Patch Paving, Patch paving work applies to minor work in connection with covering of pipe
<br /> Double Wall Double Walt
<br /> tests must be performed and recorded on company 'supplied foTank bedding, ballasting Grid tank hole bockfill procedures are described under Section 02 of these trenches, areas adjacent to tank slab and other areas disturbed during tank installation.
<br /> ' specifications,
<br /> Nominal GallonXerxes Owens/Cornin10. TANK TESTING - INSTRUCTIONSConcrete: Concrete work applies to installing tank slab, repair of drive slobs .and other areas
<br /> s g , The tank anchorage system shown on the drawings is designed for a maximum level ofround water distributed during tank installation. Refer to applicable drawing F-4 or F-7
<br /> 15,000 290: _ 4"-3/4" O.D.
<br /> Dng General: Notify Company Representative, who MUST observe all tests, at least 24 hours equal to the subgrade level. g for slab details.
<br /> in advance of any test.
<br /> 12,000 37' - 0-1/2' Long 36' - 3' Lang MATERIALS:
<br /> 8' - 0" O.D. 8' - 1-1/2" O.D. The pressure application system is to have two pressure gauges (range 0 to 10 psi with 5
<br /> L 10,000 31'' - 6-1/2" Long 30' - 9" Long psi pressure reliefs) in the system, both in good condition end having been tested and 1, CONCRETE HOLD-DOWNS: Pre-cast, reinforced concrete "logs", 12" x 12" or 12" x 18" in L
<br /> 8' - 0" O.D. 8' - 1-1/2" 0•D. calibrated within a three-month period prior to the tank test (copy of the test and cross-section, with chamfered edges. Length, as shown on the drawings, 1/2" diameter
<br /> 1,000 11' - 4-1/4" Long 11' - 6-1/8" Long calibration data to be furnished to the Company Representative upon request). galvanized steel anchor loops are to be cast into logs" at locations shown, Pre-cost material
<br /> 4' - 1' O.D, 4" - 3-1/4" O.D. USE EXTREME CARE AROUND AND NEAR THE PRESSURIZED TANK. Relieve shall have achieved its ultimate compressive strength of 2500 psi (28 days) prior to installation(Note: O.D. is over the ribs) the pressure prior to moving the tank or removing any of the fittings. Pre-call concrete foundation piles which meet or exceed above specifications are acceptable. 07 APPROVED. MATERIALS
<br /> DO NOT install a lank which shows any evidence of leaking The Company Representative 2. WIRE ROPE CABLE: Hot-dip galvanized steel wire rope, minimum 1/2" diameter, breaking
<br /> The contractor will furnish the exact hardware listed on the Bill of Materials unless otherwise is to be notified and will determine the course of action that will be followed, strength, 20.4K. APPROVED BACKFILL MATERIALS:
<br /> specified by the Company Rep. The Contractor Is responsible for all labor, material and equipment necessary to conduct
<br /> the following tests: 3. HARDWARE: Coble clamps, cable guides, guards, etc. shall be hot-dip galvinized steel 1. PEA GRAVEL: A clean, natural! rounded o regate with o 1 8" minimum and 0 3/4"
<br /> Other Contractor supplied equipment alders r vapor recovery (when specified) Phase I Assemblies: maximum diameter U to 3%y of theparticlesg / /
<br /> Adapters, dust caps and nameplate holders. Phase II Equipment: Anil-Recirculotlon valve, high hose Pre-Installation Pressure Test, Air P may pass through o �j.8 sieve.
<br /> K retractor, nozzle swivels, flow limiter, anti-kink springs, swivel stops, clamps, extension. Post-Installation Pressure Test, Air or Hydrostatic 4. PROTECTIVE COATING: Prior to backfilling tanks, opply a generous quantity of "Chevron 2. STONE OR GRAVEL CRUSHINGS. Washed material, with particle size between 1/8" and
<br /> r Asphalt Coaling' by brush to ail exposed steel cables, loops and hardware. 1/2 . Up to 3% of the particles may pass through o8 sieve. K
<br /> Cut the submerged drop tube for product and heating fuel tanks at a 45' angle so the lowest point I. ACCEPTABLE SOAPS: "Sopping' the tank exterior and fittings using o small garden- 9
<br /> will be 3" (Hold true) from the bottom of the lank. The highest point must be o type hand-pressurized spray unit. The test soap shot[ be a hl h foaming soap" that INSTALLATION PROCEDURE:
<br /> maximum of 6" from the bottom of the tank. The 6" maximum dimension is critical due to air bubbles easily if in contact with on air look in the tank but wont bubble due to Approved materials must g dry, free it ice and snow, and meet ASTM C-33, Para. 7.1 for quality '
<br /> quality 9 P g P pp dispensing P pP • P P p + and soundness. The dry grovel densly must be ° minimum of 95 pounds per cubic loot.
<br /> u01'd rules, Orient the submerged drop tube to direct incoming product toward the opposite end itis ensm from the pressure applicator. Acceptable soa s are: 1. Prepare the tank hole to receive hold-down 'Jogs". Install shoring (or side sloping) in
<br /> of the tank. Refer to installation drawings for additional details. "Seam lest Concentrate! Contractor
<br /> accordance with Section 02, TANK HOLE LINER: Ctrtor is to provide a Filter Fabric Tank Hole Liner when;
<br /> 1. HANDLING: The Contractor is responsible for off-loading the tanks from the delivery vehicle. :: way Loc High Soap" 2. Pump the water out or the tank hole. Keep water out of the tank hole until tanks have o) Tank hole is in unstable soil, or
<br /> A crane or backhoe of sufficient lifting capacity must be used. The weight of the double wail VOID Southbend Look Detector" been set, tied down, ballasted and b°cklilled.
<br /> FRP tank is approximately 5000 - 6000 lbs, or approved equal
<br /> +� 'log" Specified by Company Rep, The entire tank hole (sides and bottom) shall be covered. Loy
<br /> 3. Insert each cable through its own anchor loop in the log" reserving sufficient cable so that the fabric with 2 tool minimum overlaps.
<br /> 2. LIFTING & MOVING: When lilting or moving on FRP took, always use properly sized a PRE-INSTALLATION PRESSURE TESTty AIR: Use extreme care around and near both ends of the cable will be kept of the lop of the tank hole after the "lags' are sat.
<br /> equipment and lift by lifting lugs(s), On large tanks, greater than 8' diameter, use a spreader .,-any pressurized tank. Never pressurize secondary (outer) lank without pressurizing Lower and position the "lo s" in the tank hole keeping both ends of the cables at the top Bedding material, tie-down "logs' and sem fie wells are to be laced on the to of h filter
<br /> J bar to ensure o lift angle of at least 45 degrees at each lifting lug, the primary (inner) tank, of the hale. Install the 12" minimum thick 6addin material in tank hole. Smooth and g p P p the to
<br /> 9 fabric. Excess fabric at the top of the hole should be folded over the backfill material of
<br /> Never roll or use cables or chains around an FRP took, Sel on smooth ground, Tree of rocks - A,primOry..(Inner! Tank: Test Locate a pressure gouge in Ne vent/monitor lilting slope per the lank bedding instructions. subgrade level.
<br /> and foreign objects, in the secon cry (outer) tank. Locale o second pressure gauge at the fill opening 4. Proceed with setting the tanks by odd in ballast as necessary to sink and keep down the APPROVED FILTER FABRIC MATERIAL:
<br /> and connect the air pressure to this fitting. tanks. Use only enough ballast to hold the tanks down until the backfill is even with the
<br /> p p p ry (inner) u psi maximum 5psi) r to Section 04 for tank setting requirements.) Reemay Inc. - Typor 3401 or Typar 3341
<br /> theException, FRP Tanks may be rolled up to 90 degrees on ° smooth clean surface when performing ( top of the looks. (Rafe
<br /> the re -Insl011ation pressure lest. Pressurize the rima inner Conk to ° minimum of 4Phillips Fibers Corp - "Supoc 4NP' Fabric
<br /> Mondor the prOSSiLl{ q gauges for 1 hour There should be no pressure increase Caution. Ballast level in tank must never exceed water (or bockfill level in tank hole
<br /> 1120
<br /> 3, CHOCKING: Chock tanks in accordance with manufacturer's recommendation until ready for In the the (outer) tank, Soap all tank fittings. during installation, ) Hoechst Celanese Corp. e Trevira manufacturer
<br /> Installation. If windy conditions exist or are expected, anchor tanks using minimum 1/2" nylon or fabric approved by the took manufacturer,
<br /> or hemp rope over each tank and secure to stakes of adequate size to prevent movement of the BSecondory (Outer) Tank Test: Leave the pressure on the primary tank. Using 5. Instoll the cable guards, guides, etc , on the designated ribs of the tank.
<br /> tanks, a flexible air hose manifold, connect the air pressure hose from the primary tank (Note: "Designated Ribs are marked by arrows on the tank surface.)
<br /> to the secondary tank. This manifold hose should be connected to the
<br /> 4. OPENINGS. All tanks ore shipped with dust covers in each opening. Dust covers ore to remain vent/monitor fitting that does not contain the air pressure gauge. Close the valve Caution' Do not place straps or cables between the ribs of the tank
<br /> H in each opening until ready for the pre-installation each
<br /> test. All tanks must hove either tole primary tank and disconnect the air supply. Pressurize the secondary lank
<br /> a dust cop in place on a S psi pressure relief valve in place at all times. by opening the valve between the primary and secondary tank. Soup the entire 6. Pa33 each set of Cubits (a set of cables is those cables passing through the matching, or H
<br /> took and all fittings. opposite, loops on the logs) through the guides and loops as shown on the drawing
<br /> 5. DAMAGE: Inspect all tanks carefully for signs of damage upon receipt. Hole any damage on the
<br /> shipping documents and notify the Company Rep Contact the lank manufacturer for Upon completion of the test, release pressure from the secondary tank prior to One end of each cable is be crossed Over the lop of the lank in the retainer portion of the
<br /> additional information, releasing pressure from the primary tank. hold-down strop. Using three cable clamps on each set of cables, clomp both cables
<br /> together on top of the tank. Prior to tightening the clamps, tension the cables with "come-
<br /> If the took is damaged at any other time, do not attempt repairs, Notify Company Rep who iii. POST-INSTALLATION PRESSURE TESTS, AIR: Extreme core is to be used around o-longs secured outside the tank hole. Use enough tension to tighten the cables but not
<br /> will determine the course of action. and near any pressurized tank. t° IYt the "logs" or Crush the took.
<br /> 6. SETTING- Set tanks on prepared bed with o slope downward toward the fill end of the tank. A.Pr{mory (Inner) Tank Test: Perform this lest with oil tank risers and fittings Caution: All sets or cables on a tank must be tightened equally to avoid tank deformation
<br /> A slope of 3" difference between the two extreme openings of the tank is desired The attached Tighten all tank fittings. Locate o pressure gauge in one of the annular
<br /> acceptable range of slope is 4" maximum and 2" minimum; with the fill end lower than remote space monitor fittings in the secondary (outer) tank. Locate o second pressure The cable must rest on the top of the hold-down strap between the guides provided
<br /> pump end of the tank. Tanks that exceed the acceptable slope or that slope downward to the gouge with a 5 psi pressure relief, to one of the primary (Inner) tank fittings and Repeat this process for each set o1 tie-down cables.
<br /> Q remote pump end are improperly set and must be reset connect the or pressure hose to this some fitting. Pressurize the primary (inner)
<br /> lank to a minimum of 4 psi (maximum 5 psi). Soap oil tank fittings and monitor After all lie-downs ore completed, commence the backfill procedures to the top of the Q
<br /> 7. INSTALLATION WITH APPROVED MATERIALS; Place o 12' lift of backfill evenly around the pressure gauges for a minimum of 1 hour There should be no pressure tanks,
<br /> the tanks. Push backfill completely underneath the tank between the ribs and under the end increase In the secondary (outer) tank,
<br /> cops. This is the most important part of the bockfill process Procedure can be done from
<br /> bank or adjacent tank top. If a man will be in the hole to work" the bockfill, hole must be .BSecondory (Outer) Tank Test: Disconnect the air supply but maintain the pressure
<br /> shored or side sloped as prescribed by current OSHA regulations. on the primary lank, Pressurize the secondary (Cuter) tank using a flexible oir hose
<br /> manifold. Connect a pressure hose from the primary tank to the arms Wr space
<br /> Place second 12" lift or bockfill evenly around the tanks. Again, repeat the "working" of monitor fitting that does not contain the air pressure gauge, Pressurize the
<br /> backfill between the Abs and under the end cops, Add backfill evenly around the looks up secondary lank by opening the manifold valve between the primary and secondary
<br /> to the lops of the tanks. tank.
<br /> Backfill to subgrade after piping and testing is completed. If necessary, briny pressure of both tanks to a minimum of 4 psi (maximum 5 psi)
<br /> P 8. INSTALLATION WITH ALTERNATE MATERIALS: All alternate materials must be compacted by reconnecting the air supply to the primary tank.
<br /> isto
<br /> to 90% relative density (ASTM D-1557-70). Contractor Is to furnish Company Rep. with Monitor the pressure for 1 hour and soap all lank fittings, risers and pipe P
<br /> certification of compaction from a registered soil engineer. Connections. Upon completion of the test, release the air pressure from the
<br /> secondary tank prior to releasing pressure from the primary tank. Damage to the
<br /> Company Rep, is responsible for providing the exact Installation specification for alternate primary lank may result if the pressure is not relieved from the secondary lank
<br /> materials, first
<br /> Caution: Relieve all tank pressure prior to removing any fittings.
<br /> No tank that shows any evidence of o leak is to be kept In the system, Any
<br /> domoge incurred to the tank during the installation will be the Contractor's
<br /> responsibility. The Company Rep. is to be notified of any damage and will
<br /> determine the course of action to be followed.
<br /> E If o hydrostatic test is required by the local agency, isolate the tank for testing and E
<br /> reconnect when testing is complete. The hydrostatic test will be obtained by
<br /> Chevron.
<br /> 11. INTERNAL MEASUREMENTS: Take internal diameter measurements at the fill and the remote
<br /> pump- openings, on both single and double wall FRP tanks. The Contractor, witnessed by the
<br /> Compony Rep„ is responsible for making and recording these meosurements on a form provided
<br /> ul
<br /> by the Company. Take the first set of measurements. prior to placing any backfill around the .-
<br /> tank. The second set of measurements is token when the backfill has reached subgrade (prior
<br /> V to pouring the concrete slob).
<br /> a lit the difference between any 2 sets of readings is greater than 1-1/4% Stop the job.
<br /> IIthe Company Rep., who will determine the course of action. Contact the lank
<br /> ED (manufacturer for further quidonce D
<br /> N
<br /> 12. BALLASTING: Only the primary (inner) tank shall be used when bollosling the tank Never fill -- ---- ---
<br /> the secondary (outer) tank with o l uid. If the tanks are ballasted, conduct o H drostotic Test _ ..__ _,_..__.-_____
<br /> (inste-ad of the post-Installation air lest) on the tank and fillings.
<br /> 13. BURIAL DEPTH: The burial depth from the top of the lank to ground level shall be a minimum
<br /> of J feet and a maximum of 7 feet The fillings, if o mori is used, will be approximately hAARK PATE 11918VOICINB I SAL
<br /> ti 5 - 6 inches off the top of the lank, This shall be considered for the slope of the piping and
<br /> thus may G'na`t e. `ark baric! depth. TANK + PIPING INSTALATION
<br /> N 14, VENTING Vent the Onnulgr spore between the primary and secondary tank only if required by
<br /> local ,urisdiction3. Venting of the annular space is not required by the tank manufacturer If DBL. WALL F.R.P. TANKS
<br /> required, manifold a 2 inch FRP pipe between the tanks and connected to a separate vent riser.
<br /> p C Do not use the primary (product) tank vent to vent the annular space,
<br /> -8,ZCDn C
<br /> ,n 15. INTERSTITIAL MONITOR: A pull string may be in the tank. Install a new pull string if ther 1
<br /> string Is missing, lost, or broken The pull sting is not o tank. manufacturer warrant item
<br /> 3775 TRACY BLVD.
<br /> Inst ll! the interstitial monitor at the bottom centerline of the FRP tank, Insert fish tape TRACY, CA.
<br /> through the annular space. Tog both the pulp string and probe signal cable of 12.5 ft. plus the
<br /> oM burial depth, Attach the pull string to the probe and to the figh tope, and pull probe into tank.
<br /> When the tags on the signal cable and the put string match, the probe is of the bottom
<br /> 0- centerti
<br /> a ne of the tank. The pull string is to remain in place- Ord future accessible.
<br /> a 16 INSTALLING THE CONTAINMENT SUMP: The containment sump must be watertight to Chevron
<br /> prevent liquid ingress or egress. Install a gasket between the tank .collor and the containment
<br /> sump and make a tight seal with a petroleum resistant butyl caulking. {,
<br /> B Test the containment sump with water if required by local . inspectors or Company Rep. Northwest Region B
<br /> 17. INSTALLING THE SPILL CONTAINMENT FILLBOX: The spill contolnmenf fifibox must be
<br /> liquid light. Test all Pillboxes filling with water for minimum r ROBERT H. LEE h ASSOCIATES, INC.1 hour. There should
<br /> d ®
<br /> be no drop in the water level during this test. Do not drain WOleinto the took. AACFYTE1C11UM ENC NEERNO ENVWfCNMCNTAL ✓9
<br /> 1137 NORTH WOOWELL BOULEVARD PETALUMA CA, 94954 (707) 765-1660
<br /> JOHN W. JOHNSON, ARCHITECT JAMES H. RAY, CIVIL ENGINEER
<br /> RML REVIEW INITIAL DATE DATE: I 15 qs
<br /> PREUMINARY
<br /> D1
<br /> PLANNING DR. BYri`-LEA
<br /> STEEL BID
<br /> a A BLDG PERMIT APPR.:/�(�/'I
<br /> GENERAL BID A
<br /> Z RHL ►8740.1
<br /> Z 0
<br /> Z PERMIT REVS
<br /> CONSTRUCTION SHEET
<br /> Donot use drawing
<br /> Of
<br /> far Construction
<br /> unless initiated F- 7
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