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<br /> M 04 DOUBLE WALL FRP TANK INSTALLATION TANK TESTING 05 TANK HOLD-DOWN INSTALLATION ;
<br /> 06 PATCH PAVING AND CONCRETE WORK
<br /> K4
<br /> 9. PRE-INSTALLATION LLA ION TEST SET UP: Prior to the pre—installation test, all shipping pods must GENERAL REQUIREMENTS: Anchor 011 underground storage tanks with concrete hold-dawns
<br /> MATERIALS: Double—Wall Wall fiberglass reinforced plastic (FRP) storage tanks as supplied by Chevron be removed from the took and the vacuum on the annular. space must be released. ("logs' or deodmen ) 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 phos and specifications. � F-10 (N-PET-F10-5}.
<br /> A vacuum on the annular space is not a substitute for the pre-instollation test. All installation
<br /> tests must be performed and recorded on company 'supplied forms. Patch Paving: Patch paving work applies to minor work in connection with covering of pipe
<br /> Double Wall ' Double Wall D Y pp Tank bedding, ballasting and tank hole backfill procedures are described under Section 02 of these trenches, areas adjacent to tank slob and other areas disturbed during tank installation.
<br /> Nominal Gallons Xerxes Owens/Corning 10. TANK TESTING - INSTRUCTIONS: specifications.
<br /> The tank anchorage system Shown an the drawings is designed for o maximum level of round water Concrete: Concrete work applies toinstaliing tank slob, repair of drive slobs and other areas
<br /> 15,000 29' - 5-3/4" Long General: NotifyCompany Representative, who MUST observe all tests, at least 24 hours equal to the subgrade level, 9 distributed during look instollation. Refer to applicable drawing F-4 or F-7
<br /> 10' - 4' O.D. in advance of ny test. Y p for slab details.
<br /> 12,000 3T - 0-1/T Long 36' — 3" Long - MATERIALS:
<br /> 8' — O" 0,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' — 6-1J2" Long 8' — 9" Long psi pressure reliefs) in the system, both in good condition and having been tested and 1, CONCRETE HOLD-DOWNS: Pre-cost, reinforced concrete "logs", 12" x 12" or 12" z 18" in
<br /> 8' - 0" O,D. 8' - 1-1/2" O.D, calibrated within a three-month period prior to the tank test co of the test and L
<br /> 1,000 11' - 4-1/4" Long 11' - 6-1/8" Long (copy cross-section, with chomfered edges. Length, as shown on the drawings, 1/2" diameter
<br /> 4' - illO.D, calibration data to be furnished to the Company Representative upon request). galvanized steel anchor loops are to be cost into logs" at locations shown, Pre-cast materiol
<br /> 4" - 3-1/4" O.D.
<br /> (Note: 0.0. is over the ribs) USE EXTREME CARE AROUND AND NEAR THE PRESSURIZED LANK, Relieve shall have achieved its ultimate compressive strength of 2500 psi (28 days) prior to instollation.
<br /> the pressure prior to moving the lank or removing any of the fillings. Pre-cost concrete foundation piles which meet or exceed above specifications ore acceptable. 07 APPROVED. MATERIALS
<br /> DO NOT install a tank 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, materiol and equipment necessary to conduct
<br /> the following tests: 3. HARDWARE: Coble clamps, cable guides, guards, etc. shall be hot-dip golvinized steel. 1. PEA GRAVEL. A clean, naturally rounded op regote with a 1/8" minimum and a 3/4"
<br /> Other Contractor supplied equipment Includes vapor recovery (when specified} Phase I Assemblies maximum diameter. U to 3% of the gg /
<br /> Adapters, dust caps and nameplate holders. Phone II Equipment' Anti-ReclrculoHon valve, high hose Pre-Installation Pressure Test, Air p particles may pass. through a �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 0 generous quantity of "Chevron 2. STONE OR GRAVEL CRUSHIN
<br /> Asphalt Coating" by brush to oil exposed steel cables, loops and hardware. G5, Washed material, with particle size between 1/8" and
<br /> Cut the submerged drop tube for product and heating fuel tanks of n 45' angle so the lowest point I. ACCEPTABLE SOAPS: "Soaping' the tank exterior and fittings using a small garden- 1/2 ". Up to 3% of the particles may pass through a #8 sieve, K
<br /> will be 3" (Hold true) from the bottom to the tank. The highest point must be a type hand-pressurized spray unit. The test soap shall ba a high foaming "soap" that INSTALLATION PROCEDURE: Approved materials
<br /> maximum of 6" from the bottom of the tank. The a maximum dimension is critical due to air bubbles easily if in contact with on air leak in the tank but wont bubble due to pp must be dry, free of ice and Snow, and meet ASTM C-33, Paro, 7.1 for unlit
<br /> quality rules. Orient the submerged drop tube to direct incoming product toward the opposite end dispensing from the pressure applicator. Acceptable soups are: 1. pre 1 and soundness. The dry gravel density must be a minimum of 95 quality
<br /> Prepare the lank hole to receive hold-down 'slogs". Install shoring (or side sloping) in pounds per cubic foot.
<br /> o ilio conk. Refer to Installation drawings for additional details. accordance with Section 02. TANK HOLE LINER, Contractor is to provide a Filler Fabric Tank Hole Liner when:
<br /> "Seam Test Concentrate:
<br /> 1, HANDLING: The Control s is responsible for off-lousing the tanks from the delivery vehicle. .: 7w.y Loc High Soap 2. Pump the water out of the tank hole. Keep water out of the tank hole until tanks hove a) Tank hole is in unstable soil, or
<br /> A crane of backhoe of sufficient lilting capacity must be used The weight of the double wall "�fm Southbend Leak Detector" been sat, tied down, ballasted and backfilled.
<br /> FRP tank is approximately 5000 - 6000 lbs. or approved equal
<br /> 2. LIFTING & MOVING: When lifting or moving an FRP lank, always use Properly sized n 3. Insert each cable through its awn anchor loop in the "log" reserving sufficient cable so that b) Specified by Company Rep. The entire tank hole (sides and bottom) shall be covered. La
<br /> PRE-INSTALLATION PRESSURE TEST77 AIR: Use extreme care around and near the fabric with 2 foot minimum overlaps. Y
<br /> equipment and lift by lifting lugs(s). On large tanks, greater than 8 diameter, use a spreader :�'cny pressurized tank. Never both ends of the cable will bi kept at the top of the tank hole after the "logs' are set.
<br /> J bar to ensure a lift angle of al least 45 degrees at each lifting lu primary (inner) pressurize Secondary (outer) look without pressurizing Lower and position the "lo s" in the took hole keeping both ends of .the tablas at the to
<br /> 9 9 9 9. the rima inner tank. D n D fObfICmateriol, tie-down "logs" and nam le wells ore to be
<br /> of the hole. Install the 12" minimum thick bedding material in tank hole. Smooth and Bedding g P placed on the lop of the filter
<br /> slope per the lank bedding instructions, fabric. Excess fabric at the top of the hole should be tattled over the backfill materiol at
<br /> Never roll or use cables or chains around an FRP tank. Set on smooth ground, free of rocks A.Primary -(Inner) Yank'. Teel: Locota o pressure gouge in the vent/monitor fitting subgrpda level. J
<br /> and foreign objects, in the secondary (outer) tank. Locate o second pressure gouge at the fill opening 4, Proceed with setting the tanks by adding bollost as necessary to sink and keep down the
<br /> and connect the air pressure to this fitting. tanks. Use only enough ballast to hold the tanks down until the backfill la even with the APPROVED FILTER FABRIC MATERIAL:
<br /> Exception: FRP Tanks may be rolled up to 90 degrees ono smooth clean surface when performing lop of ilio tonks. (Refer al Section 04 for tank setting requirements.) Reemay Inc. - Typar 3401 or T
<br /> the ' pro-installation" pressure test Pressurize the primary (inner) tank to a mnimum of 4 psi (maximum 5 psi), - ypor 3341
<br /> Monitor the pressure you es` for,I_—hour - There should be no pressure Increase Caution, Bolloat level in tank must never exceed water (or bockfill) level in took Hole Phillips Fibers Corp - "Supoc 4NP' Fabric
<br /> 3. CHOCKING: Chock tanks in accordance with manufacturer's recommendehon until read for in the secondary (outer) tank. Soap all took littin93, during mat80110on, Hoechst Celanese Corp. - Trevvo 51120
<br /> inslallotion. If windy conditions exist or ore expected, anchor tanks using minimum 1/y2" nylon or fabric approved by the tank manufacturer.
<br /> or hemp rope over each tank and secure to stokes of adequate size to prevent movement of the B.Secondory (Outer) Tank Test Leave the pressure on the primary tank. Using 5. Install 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 lank (Note- "Designated Ribs" ore marked by arrows on the lank surface.)
<br /> to the secondary lank. This manifold hose should be connected to the
<br /> 4, OPENINGS: All looks are shipped with dust covers in each opening. Dust covers are to remain vent/monitor fitting that does not contain the air pressure gouge, Close the valve Coution: Do not place straps or cables between the ribs of the tank
<br /> H in each opening until ready for the pre-instotlotion pressure test, All tanks must have either to the primary tank and disconnect the air supply, Pressurize the secondary tank
<br /> o dust cap in place or a 5 psi pressure relief valve In place at oil times. by opening the valve between the primary and secondary tank. Soap the entire 6. Pass each sat of cables (a set of cables is those cables
<br /> tank and all fittings. opposite, loos on the los through the Dossing through the matching, or F-i
<br /> 5. DAMAGE: Inspect OII looks carefully for signs of damage upon receipt Note any damage on the P 9 ) 9 guides and loops as shown on the drawing
<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
<br /> additional information, releasing pressure Irom ilio primary look, hold-down strop. Using three cable clamps on each set of cables, clamp both p cablin
<br /> es of the
<br /> If the tank is damaged at any other time, do not attempt repairs. Moldy Company Rep who iiiPOST-INSTALLATION PRESSURE TESTS, AIR; Extrema cora is to be used around together, on top of the tank. Prior to tightening the clomps, tension the cables with come-
<br /> A 11 determine the course of action. and near any pressurized tank. to longs lilt the secureor crush the took.d outside ilia tank hole.
<br /> , Use enough tension to tighten the cables but not
<br /> to
<br /> 6. SETTING Set tanks on prepared bed with a slope downward toward the fill end of the tank, A.Primory {Inner) Tank Test: Perform this test with all lank risers and fittings Caution: All sols of 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 lank fittings. Locate a pressure gouge 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 Coble must rest on the top of the hold-down strop between the guides provided
<br /> pump end of the tonk. Tanks that exceed the acceptable slope or that slope downward to the gauge with a 5 psi pressure retial, to one of the primary (inner) tank fittings and Repeat this
<br /> Ci remote pump end ore improperly eel and must be reset connect the air pressure hose to this some tilting. Pressurize the primary (inner), D process for each set of tip-down cables.
<br /> tank to a minimum of 4 psi (maximum 5 psi), Soap oil tank fittings and monior After all lie-downs are com I
<br /> '7, INSTALLATION WITH APPROVED MATERIALS: Place o 12" lilt of backfill evenly around the pressure gauges for a minimum of 1 hour. There should be no pressure tanks. P sled, commence the backfill procedures to the top of the Gi
<br /> the looks. Push bockfill completely underneath the lank between the ribs and under the end increase in the secondary (outer) tank.
<br /> caps, This is the most important port of the backfill process. Procedure con be done from
<br /> bank or adjacent tank top. If o man will be in the hole to work" the backfill, hole must be .8.5econdory (Outer) Tank Test: Disconnect the air suppl but mo'in ain the pressure
<br /> shored or side sloped as prescribed by current OSHA regulations. on the primary tank. Pressurize the secondary (ouler� tank using a flexible air hose
<br /> manifold. Connect a pressure hose from the primary lank to the annular space
<br /> Place second le lift or bockfill evenly around the tanks. Again, repeat the "working" of monitor filling toot does not contain the oir pressure gauge. Pressurize the
<br /> backfill between the .ribs and under the end caps. Add backfill evenly around the tanks up secondary tank by opening the manifold valve between the primary and secondary
<br /> to the tops of the tanks. tank.
<br /> Backfill to subgrade after piping and testing is completed. If necessary, .bring pressure of both tanks to o minimum of 4 psi (maximum 5 psi)
<br /> F by reconnecting the air supply to the primary tank
<br /> B. INSTALLATION WITH ALTERNATE MATERIALS: All alternate materials must be compacted P
<br /> to 90% relative density (ASTM D-1557-70). Contractor is to furnish Company Rep. with Monitor the pressure for I hour and soap all tank fittings, risers and pipe
<br /> certification of compaction from a registered soil engineer. connections. Upon completion of the test, release the oir pressure from the
<br /> secondary tank prior to releasing pressure from the primary lank. Damage to the
<br /> Company Rep. is responsible for providing the exact installation specification for oltemate primary tank may result if the pressure is not relieved from the secondary tank
<br /> materiol& first
<br /> Caution: Relieve all tank pressure prior to removing any fittings.
<br /> No tank that shows any evidence of a leak is to be kept in the system. Any e
<br /> damage 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
<br /> reconnect when testing is complete. The hydrostatic test will be able ned by E
<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 /> Company Rep., is responsible for making and recording these measurements on a form provided
<br /> N by the Company. Take the first set of measurements, prior to placing any backfill around the
<br /> took. The second sat of measurements is taken when the backfill has reached subgrade (prior
<br /> U to pouring the concrete slob).
<br /> ai
<br /> E If the difference between any 2 sets of readings is greater than 1-1/4", stop the job. LOATM Notify the Company Rep., who will determine the course of action. Contact the tank
<br /> D manufacturer for urlher guidance
<br /> 12. BALLA51ING: Oni the rimar D
<br /> y p Y (i^Her) took shall be Used when bolla5llny ilio took Nevar till ilio secondary (outer) took with a fluid. If the tanks are bollosted, conduct a Hydrostotic TestLREN18"N"
<br /> 2MIAL(insteiod of file post-inSlalloll0n oir lest) on the tank and fittings13 BURIAL DEPTH: The burial depth from the lop of the tank to ground level shallbe a minimum
<br /> of 3 feet ons o maximum of 7 feel The fillings, it o m eider Is used, will be approximately
<br /> Nm t - 6 aches off lila lap u the lank. This shall be considered for ilio slope of ilio piping and
<br /> thus may affect .a lank. burial depth. TANK + PIPING INSTALATIQN
<br /> 14. local IG: Vent the, Venting
<br /> apace between the primary and secondary tank only if required by DBL. WALL F.R.P. TANKS
<br /> N tocol jurisdictions. Venting of the annular apace is not required by the took manufacturer. If
<br /> required, manifold a 2 inch FRP pipe between the tanks and connected to a separate vent riser
<br /> C Do not use the primary (product) tank vent to vent the annular space.
<br /> 15. INTERSTITIAL MONITOR: A pull string may be in the tank, Install a new pull string if the _0-8261Co C
<br /> Co string is missing, lost, or broken The pull string is not a tank, manufacturer warranty item 3775 TRACY BLVD.
<br /> Install the interstitial monitor of the bottom centerline of the FRP tank. Insert fish tape o TRACY, CA.through the annular space. Tog both the pull' string and probe signal cable at 12.5 ft, plus the
<br /> burial depth. Attach the pull string to the probe and to the fish tape. and pull probe into tank.
<br /> ot When the logs on the signal cable and the pull string match, the probe is at the bottom
<br /> a
<br /> centerline of the tank. The pull string is to remain in place bnd future accessible.
<br /> Chevron
<br /> 16. INSTALLING THE CONTAINMENT SUMP: The containment sump must be watertight to
<br /> prevent liquid ingress or egress. Install a gasket between the tank .collar and the containment -
<br /> wap and make o light seal with o petroleum resistant butyl caulking. {,
<br /> B Test the containment sump with water if required by tocol ..inspectors or Company Rep. Northwest Region
<br /> -
<br /> INSTALLING THE SPILL CONTAINMENT PILLBOX: The spill containment Pillbox must be
<br /> B
<br /> liquid tight Test all tr level d lining with water for 0 minimum r 1 hour. There should ROBERT H. LEE dE ASSOCIATE$, INC.
<br /> be d drop in the water level during this test. r f not mini water into the tank.
<br /> 12AfiCFaTEC:T1JiiE ENC MEERNO ENWiONK*EWAL, HBiVICEB
<br /> 1117 NORTH MCDaWELL BOULEVARD PETALUMA CA. 94954 (707) 765-1660
<br /> ,101114 W. JOHNSON, ARCHITECTJAMES H. RAY, CIVIL ENGINEER
<br /> Fi14L RE ill "TIAL DATE DATE; lir-(S
<br /> CD PRELIMINARY
<br /> LL
<br /> DR.A PUNNING Iii
<br /> Z
<br /> EL BIO
<br /> BLDG PERMIT �.i-•.,, APPR.:iGIi
<br /> Z GENERAL DIDp A A
<br /> QPERMIT REVS RHL It 8740.1
<br /> D' CONSIRUCT)ON SHEET
<br /> 1 2 Do not use drawing Ll F�- ,/
<br /> lar construction
<br /> 3 4 b 9 7 8 9 10 11 12 13 unless initialed 15 1g 17 18
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