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<br /> 04 DOUBLE WALL FRP TANK INSTALLATION TANK TESTING 05 TANK HOLD-DOWN INSTALLATION
<br /> 06 PATCH PAVING AND CONCRETE WORK.
<br /> M 9. PRE-INSTALLATION TEST SET UP: Prior to the re-instaflation test, all shipping p pp' l pads must GENERAL REQUIREMENTS: Anchor all underground storage tanks with concrete hold-downs
<br /> MATERIALS: Double-Wall fiberglass reinforced plastic (FRP) storage tanks as supplied by Chevron be removed from the tank and the vacuum on the annular space must be released. ("lags" or deadmen') when specified by Company Rep, in the Scope of Work. Refer to drawing
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<br /> are to be installed by Contractor in accordance with the plans and spec:itications. F-9 (N-PET-1`9P-1), 9 SCOPE OF WORK:
<br /> t vacuum on the annular space is not o substitute for the pre-installation test. All installation Patch Paving: Patch paving work applies to minor work in connection with covering of 1
<br /> tests must be performed and recorded on company Supplied forms. Tank bedding, ballasting and look hole backfill procedures are described under Section 02 of these 9 pipe
<br /> Double Wall Double Wall specifications. trenches, areas adjacent 4o tank slab and other areas disturbed during tank Installation.
<br /> Nominal Gallons ' Xerxes OwensACornino 10, TANK TESTING - INSTRUCTIONS: `
<br /> The tank anchorage system shown on the drawings is designed for o maximum level of ground water Concrete:
<br /> Curio Concrete
<br /> w rk applies
<br /> en t Refer
<br /> tank slab, repair of drive slabs and other areas
<br /> 12.000 37' - 0-1/2" Long 36' - 3" Long General: Notify Company Representative, who MUST observe all tests, at least 24 hours equal to the subgrode level, 9 applicable drawing F-3 of F-6
<br /> 8' - 0" O.D. 8' - 1-1/2" O.D. in advance of any test for slab details.
<br /> 10,000 31' - 6-1/2" Long 30' - 9i Long MATERIALS:
<br /> 8' - O" 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 /> 11000 11' - 7-1/8" Long it ' - 6-1/8" Long - psi pressure reliefs) in the system, both in good condition and having been tested and 1, CONCRETE HOLD-DOWNS: Pre-cast, reinforced concrete "logs', 12" x 12" or 12' x 24" in
<br /> 4' - 5-1 8' O.D. / p p (copy cross-section, with chomfered edges. Length, as shown on the drawings. 1/2" diameter L
<br /> L / 4" - 3-i 4" O.D. calibration data to be efurnshed to the Company Representative upon of
<br /> )st and galvanized steel anchor loops are to be cast into logs" at locations shown. Pre-cast material
<br /> (Note: O.D. is over the ribs) 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.
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<br /> The contractor will furnish the exact hardware listed on the Bill of Materials unless otherwise the pressure prior to moving the tank or removing any of the fittings. Pre-cast concrete foundation piles which meet or exceed above specifications ore acceptable. 07 APPROVED MATERIALS
<br /> specified by the Company Rep.
<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 /> Other Contractor supplied equipment includes: vapor recovery (when specified) Phase I Assemblies: is to be notified and will determine the course of action that will be followed. strength, 20.4K. .
<br /> Adapters, dust cops and nameplate holders. Phase M Equipment: Anti-Recirculation valve, high hose The Contractor is responsible for all labor, material and equipment necessary to conduct APPROVEDBACKFILL MATERIALS:
<br /> retractor, nozzle swivels, flow limiter, anti-kink springs, swivel stops, camps, extension, the following tests: 3. HARDWARE: Coble clamps, cable guides, guards, etc. shall be hot-dip golvinized steel. 1. PEA GRAVEL: A clean, naturally rounded aggregate with a 1/8" minimum and a 3/4"
<br /> Cut the submerged drop tube for product and heating fuel tanks at a 45' angle so the lowest Point Pre-Installation Pressure Test, Air maximum diameter. Up to 39 of the particles may pass through a aB sieve.
<br /> will be 3" minimum/4 maximum from the bottom of the tank. The highest point must be a Post-Instollotion Pressure Test, Air or Hydrostatic 4. PROTECTIVE COATING:' Prior to backfilling Conks, apply a generous quantity of "Chevron 2. STONE OR GRAVEL CRUSHINGS. Washed material with r '
<br /> maximum of 6" from the bottom of the tank. The 6" maximum dimension is critical due to air Asphalt Coating by brush to all exposed steel cables, loops and hardware. particle size between 1/8" and
<br /> K pollution rules. Orient the submerged drop tube to direct incoming product toward the opposite end 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.
<br /> of the lank. Refer to installation drawings for additional details. type hand-pressurized spray unit. The test soap shall be a high foaming "soap" that INSTALLATION PROCEDURE: K
<br /> bubbles easily If in contact with an air leak In the tank but won't bubble due to Approved materials must be dry, free of ice and snow, and meet ASTM C-33, Para. 7.1 for quality
<br /> 1. HANDLING: The Contractor is responsible for off-loading the tanks (from the delivery vehicle. dispensing from the pressure applicator. Acceptable soops ore: 1. Prepare the tank hole to receive hold-down "logs'. Install shoring (or side sloping) in and soundness. The dry gravel density must be a minimum of 95 pounds per cubic foot.
<br /> A crone or backhoe of sufficient lifting capacity must be used. The weight of the double wall accordance with Section 02.
<br /> FRP tank is approximately 5000 - 6000 as. "Seam Test Concentrate: TANK HOLE LINER: Contractor is to provide a Filter Fabric Tank Hole Liner when:
<br /> mway Loc High Soap 2. Pump the water out of the tank hole. Keep water out of the tank hole until tanks have )
<br /> 2, LIFTING & MOVING: When lifting or moving an FRP tank, always use: Properly sized "7006 Southbend Leak Detector" been set, tied down. bollosted and backfilled. a Tank hole is in unstable soli, or
<br /> equipment and lift by lifting lugs(s). On large tanks, greater than 8 diameter, use a spreader or approved equal
<br /> bar to ensure o lift angle of at least 45 degrees 9 at each lifting Iwg. - 3. Insert each cable through its own ionchor loop in the "log" reserving sufficient cable so that b) Specified by Company Rep. The entire tank hole (sides and bottom) shall be covered. Lay
<br /> ii. PRE-INSTALLATION PRESSURE TEST, AIR: Use extreme care around and near both ends of the cable will be kept at the lop of the tank hole after the "logs" are set. the fabric with 2 fool minimum overlaps.
<br /> Never roll or use cables or chains around an FRP tank. Set on smooth ground. free of rocks any pressurized lank. Never pressurize secondary (outer) tank without pressurizing Lower and position the "logs" in tine tank hole keeping
<br /> both ends of the cables at the to
<br /> and foreign objects. - the Primary (inner) lank. of the hole. Install the 12' miniimum thick bedding material in tank hole. Smooth and Bedding material, ties down elogs" and sample wells are to be placed on the top of the filter
<br /> slope per the tank bedding instructions. fabric Excess fabric at the top of the hole should be folded over the backfill material at
<br /> J Exception: FRP Tanks may be rolled up to 90 degrees on a 'smooth clemrt surface when performing A.Primary (Inner) Tank Test: Loctite a pressure gouge in the vent/monitor litho) subgmde level.
<br /> the pre-installplion pressure lest. in the secondary (outer) tank, Locate o second pressure gouge at the fill opening 4. Proceed with setting the tanks adding ballast as ownnecessorX to sink and keep down the APPROVED FILTER FABRIC MATERIAL:
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<br /> and connect the air pressure to this fitting. tonks. Use only enough ballastt tot hold
<br /> d the tanks down until the backfill is even with the
<br /> 3. CHOCKING: Chock tanks in dins exist with manufacturer's or tanks
<br /> until read for top of the tanks. (Refer to Section 04 for took setting requirements.)
<br /> installation. It windy conditions exist or are expected, anchor tanks using minimum 1�2" nylon Pressurize the primary (inner) tank to a minimum of 4 psi (maximum 5 psi). Reemay Inc. - Typar 3401 or Typor 3341
<br /> or hemp rope over each tank and secure to stakes of adequate sHze to prevent movement of the Monitor the pressure gauges for 1 hour. ' There should be no pressure increase Caution: Ballast level in tank must never exceed water or backfill level in lank hole Phillips Fibers Corp - Supac 4NP" Fabric
<br /> y (outer) p i,onk fittings. - during installation. ( ) Hoechst Celonese Corp. - Trevino S1120
<br /> tanks. - in the secondar outer tank. Soup all or fabric approved by the tank manufacturer,
<br /> 4. OPENINGS: All tanks ore shipped with dust covers in each opening). Dust covers are to remain r B.Secondary (Outer) Tank Test: Leave the pressure on the primary lank. Using 5. Install the cable guards, guides, eltc., on the designated ribs of the. took.
<br /> in each opening until ready for the pre-inslallotion pressure test. All tanks must have either o flexible air hose manifold, connect the air pressure hose from the primary tank (Note: "Designated Ribs" are marked by arrows on the lank surface.)
<br /> a dust cap in place or a 5 psi pressure relief valve in place at olll times. to the secondary tank. This manifold hose should be connected to the
<br /> vent/monitor fitting that does not contain the air pressure gauge. Close the valve - Coution: Do not place straps or cables between the ribs of the tank.
<br /> 5. DAMAGE: Inspect oil tonks.carefully for signs of damage upon receipt. Note any damage on the to the primary tank and disconnect the air supply. Pressurize the secondary tank '
<br /> H shipping documents and notify the Company Rep. Contact the tantk manufacturer. .for by opening the valve between the primary:and secondary tank. Soap the entire 6. Pass each set of cables (a set of cobles is those cables passing through the matching, or
<br /> additional information. tank and all fittings. opposite, loops on -the logs) through the guides and loops as shown on the drowinq.
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<br /> If the tank is damaged at any other time, do not attempt repairs. Notify Company Rep who Upon completion of the test, release pressure from the secondary tank prior to One end of each cable is be crossed over the top of the tank in the retainer portion of the
<br /> will determine the course of action. - releasing pressure from the primary tank. hold-down strap. Using three cable clomps on each set of cables, clamp both cables
<br /> together on top of the tank. Prioir to tightening the clamps, tension the cables with "come-
<br /> 6. SETTING: Set tanks on prepared bed with a slope downward toward the fill end of the tank. iii. POST-INSTALLATION PRESSURE TESTS, AIR: Extreme care is to be used around a-longs" secured outside the lank hole. Use enough tension to lighten the cables but not
<br /> A slope of 3" difference between the two extreme openings of the lank is desired. The and near any pressurized tank. to lift the loos" or crush the tank.
<br /> acceptable range of slope is 4" maximum and 2' minimum; with the fill end lower than remote
<br /> pump end of the lank. Tanks that exceed the acceptable slope or that slope downward to the A.Primary (Inner) Tank lest Perform this test with all tank. risers and fittings Caution: All sets of cables on o tank must be tightened equally .to ovoid tank deformation.
<br /> remote pump end ore improperly set and must be reset. attached. Tighten all tank fittings. Locale a pressure gauge in one of the annular
<br /> space monitor fittings in the secondary (outer) lank. Locate a second pressure The cable must rest on the top of the hold-down strop between the guides provided.
<br /> 7. INSTALLATION WITH APPROVED MATERIALS: Place a 12" lift of backfiltl evenly around gauge with a 5 psi pressure relief, to one of the primary (inner) tank fittings and Repeat this process for each set of tie-down cables,
<br /> the tanks. Push backfill completely underneath the tank between the ribs and under the end connect the air pressure hose to this some fitting, Pressurize the primary (Inner)
<br /> Q caps. . This is the most important port of the backfill process. Procedure can be done from tank to a minimum of 4 psi (maximum 5 psi), Soap all tank fittings and monitor After oll tie-downs are completed, commence the backfill procedures to the top of the
<br /> bank or adjacent tank top. if a man will be in the hole to "work" the backfill,- hole must be the pressure gauges for a minimum of 1 hour. There should be no pressure tanks,
<br /> shored or side sloped as prescribed by current OSHA regulations. increase in the secondary (outer) tonk. - Q
<br /> Place second 12' lift or backfill evenly around the tanks. Again, repeat the "working" of B.Secondory (Outer) Tank Test: Disconnect the air supply but maintain the pressure
<br /> backfill between the ribs. and under the end caps. Add backfill evenly around the tanks up on the primary tank. Pressurize the secondary (outer) tank using a flexible air hose
<br /> to the tops of the tanks. f manifold, Connect o pressure hose from the primary tank to the annular space
<br /> monitor fitting that does not contain the air pressure gauge. Pressurize the
<br /> Backfill to subgrade after piping and testing is completed. secondary tank by opening the manifold valve between the primary and secondary
<br /> tank.
<br /> B. INSTALLATION WITH ALTERNATE MATERIALS: All alternate materials must be compacted
<br /> to 909, relative density (ASTM D-1557-70). Contractor is to furnish Comptrny Rep. with _ If necessary, bring pressure of both tanks to a minimum of 4 psi (maximum 5 psi)
<br /> certification of compaction from a registered soil engineer. by reconnecting the air supply to the primary tank.
<br /> F Company Rep. is responsible for providing the exact installation specification for alternate Monitor the pressure for 1 hour and soapoll tank fittings, risers and pipe
<br /> materlais. connections. Upon completion of the test, release the air pressure from the F
<br /> secondary tank prior to releasing pressure from the primory tank. Damage to the
<br /> primary tank may result if the pressure is not relieved from the secondary tank
<br /> first
<br /> " - Caution: Relieve all look pressure prior to removing any fittings.
<br /> No tank that shows any evidence of o leok Is to be kept in the system. Any
<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 /> If a hydrostatic test is required by the local agency, isolate the tank for testing and
<br /> E reconrfect when testing is complete. The hydrostatic test will be obtained by
<br /> Chevron.
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<br /> 11. INTERNAL MEASUREMENTS: Take Internal diameter measurements at the fill and the remote
<br /> pump openings, on both single and double Boll FRP locks. The Contractor, witnessed by the
<br /> Company Rep., is responsible for making and recording these measurements on a form provided
<br /> by the Company. Take the first set of measurements prior to placing any backfill around the -
<br /> Conk. The second set of measurements is token when the backfill has reached subgrode (prior
<br /> - to pouring the concrete slob), '
<br /> If the difference between any 2 sets of readings Is greater than 1 - 1/4", stop the job.
<br /> Notify the Company Rep., who will determine the course of action. Contact the tank
<br /> manufacturer for further guidance.
<br /> W D - -12. BALLASTING: Only the primary (inner) tank shall be used when ballasting the tonk. Never fill
<br /> rn the secondary (outer) tank with a fluid. If the tanks ore ballasted, conduct a Hydrostatic Test D
<br /> (instead of the post-installation air test) on the tank and fittings.
<br /> 13. BURIAL DEPTH: The burial depth from the top of the lank to ground level shall be o minimum
<br /> - of 3 feet and a maximum of 7 feet. The fittings, if a monwoy is used, will be approximately
<br /> 5 5 - 6 Inches off the top of the lank. This shall be considered for the slope of the piping and
<br /> thus may affect the tank burial depth. MARK DATE REVISIONS - INFfiAL
<br /> 14, VENTING: Vent the annular space between the primary and secondary tank only if required by U.G. TANK AND PIPING
<br /> local jurisdictions. Venting of the tspace is not required by the tank manufacturer. If INSTL, DBL WALL FRP TANKS
<br /> required, manifold a 2 inch FRP pipee between
<br /> een the tanks and connected to a separate vent riser.
<br /> Do not use the primary (product) tank vent to vent the annular space,
<br /> m C 15. INTERSTITIAL MONITOR: A pull string may be In the tank, install a new pull string H the C
<br /> - string is missing, lost, or broken. The pull string is not a tank manufacturer warranty Item. 9-2396
<br /> 0 Install the 'interstitial monitor at the bottom centerline of the FRP tank. Insert fish tope
<br /> through h the annular space. To both the pull shin end robe signal cable al 12.5 fl. plus h 25650 HWY 99 NO.,
<br /> _- 9 P 9 P 9 P 9 P the
<br /> 7 burial depth. Attach the pull string to the probe and to the fish tape and pull probe into tank, ACAMPO, CA.
<br /> When the tags on the signal cable and the pull string match, the probe is at the bottom
<br /> 0 centerline of the tank. The pull string is to remain in place and future accessible.
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<br /> m 15. INSTALLING THE CONTAINMENT SUMP: The containment sump must be watertight to Chevron
<br /> prevent liquid ingress or egress. Install a gasket between the tank collar and the containment
<br /> sump and make a tight seal with a petroleum resistant butyl caulking.
<br /> Test the containment sump with water if required by local inspectors or Company Rep. �'
<br /> B 17. INSTALLING THE SPILL CONTAINMENT FILLBOX: The spill containment fillbox must be Northwest Region
<br /> liquid light. Test all fillboxes by filling with .water for a minimum of 1 hour. There should B
<br /> be no drop In the water level during this test. Do not drain water into the tank.
<br /> ROBERT H. LEE & ASSOCIATES, INC.
<br /> ARCHrTECTURE ENOPIEERMO Esti NMEM'AL SERVICER
<br /> 1137 NORTH Mc00WELL BOULEVARD PETALUMA CA. 94954 (707) 765-1660
<br /> JOHN W. JOHNSON, ARCHITECT JAMES H. RAY, CML ENGINEER
<br /> d ,. RHL REVIEW INIAL DATE DATE:
<br /> 0.
<br /> - PRELIMINARY
<br /> U.1 PLANNING
<br /> DR. BY:
<br /> Z STEEL BID
<br /> 6 A BLDG PERMIT I APPRJ 'P
<br /> -
<br /> GENERAL BID RHL. N 8344.10 A
<br /> n: Z PERMIT REV'S --
<br /> COoNSTRUICTION
<br /> R D!or our sa dluwingn sr'ctar F-8
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