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1 2 3 4 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 15 16 1 17 1 18 04 DOUBLE WALL FRP TANK INSTALLATION TANK TESTING 05 TANK HOLD—DOWN INSTALLATION 06 PATCH PAVING AND CONCRETE WORK M 9, PRE-INSTALLATION TEST SET UP: Prior to the pre-Installation test, all shipping pods must GENERAL REQUIREMENTS: Anchor all underground storage tanks with concrete hold-downs M MATERIALS: Double-Wall fiberglass reinforced plastic (FRP) storage tanks as supplied by Chevron be removed from the tank and the vacuum an the annular space must be released. ("logs" or deadmen") when specified by Company Rep. in the Scope of Work. Refer to droving SCOPE OF WORK: ore to be installed by Contractor in accordance with the plans and specifications. F-9 (N-PET-F9P-1). A vacuum on the annular space Is not a substitute for the pre-mstollotion test. All installation Patch Paving: Patch paving work applies to minor work in connection with covering of pipe tests must be performed and recorded on company supplied forms. Tank bedding, ballasting and tank hole bockfill procedures are described under Section 02 of these trenches, areas adjacent to tank slab and other areas disturbed during tank installation. specifications. Double Wall Double Wall 10, TANK TESTING - INSTRUCTIONS: Concrete: Concrete work applies to installing tank slab, repair - drive slobs and other areas Nominal Gallons X=ries Owens/Cocain❑ _ The took anchorage system shown on the drawings is designed for u maximum level of ground voter distributed aurin tank installation. Refer foo applicable drawm F-3 of F-6 12,000 37' - 0-1/2" Long %' - 3" Long General: Notify Company Representative, who MUST observe all tests, al least 24 hours equal to the subgrade level, for slab details, pp 9 8' - 0" O.D. B' - 1 - 1/2" O.D. in advance of any test, 10,000 31' 6-1/2•• Long 30 - 9" Long MATERIALS, 8' 0" O.D. 8' 1 -1/2" O.D. The pressure application system is to hove two pressure gauges (ronge 0 to 10 psi with 5 - 1,000 11' 7-1/8" Long 11' 6-1/8•' Long psi pressure repels) In the system, both In good condition and having been tested and 1. CONCRETE HOLD-DOWNS Pre-oust, reinforced concrete °logs•', 12" x 12" or 12" x 24" In L 4' - 5-1/8" O.D. 4" - 3-1/4" O.D. calibrated within a three-month period prior to the tank test (copy of the test and cross-section, with chomfered edge, Length ss vh>wn or the drawings. 1/2" diameter 'ma y calibration data to be furnished to the, Company Representative upon request) galvanized Steel Ceara, loops are to be cost int, "logs" ut locations shown Pre-cost material (Note: O,D, is over the ribs) USE EXTREME CARF_ AROUND AND NEAR THE PRESSURIZED TANKRelieve shall have -achieved its ultimate compressive strength of 2500 psi (28 days) prior to installation. . The contractor will furnish the exact hardware listed on the Bill of Mal unless otherwise the pressure prior to mo.ing the tob z . •emavirg any of the fittings. Pre-cast concrete foundation piles which meet or exceed above specifications are acceptable. U7 APPROVED MATERIALS specified by the Company Rep. DO NOT install a tank which shows any evidence of leaking The Company Representative 2 WIRE ROPE CABLE Ho[-dip yolvpnlzed steel wire rope, ininrtnum 1/2" diameter, breaking Other Contractor supplied equipment includes: vapor recovery (when specif ied) Phase I Assemblies: is to be notified and will delermine the course of action that will be followed. strength, 20.4K. APPROVED BACKFILL MATERIALS: Adapters, dust caps and nameplate holders. Phase ]C Equipment: Anti-Recirculation valve, high hose The Contractor is responsible for all labor, material and equipment necessary •o conduct retractor, nozzle swivels, flow limiter, anti-kink springs, swivel stops, canoes. extension. the following tests: 3. HARDWARE: Cable cramps, 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" Cut the submerged drop tube for product and heating fuel tanks at a 415° angle se the lowestpoint Pre-Installation Pressure Test, Air maximum diameter. Up to 3% of the particles may pass through a #8 sieve. will be 3" miamum/4 maximum from the bottom of the tank The h,ughest point must be a Post-Installation Pressure Test, Air or Hydrostatic 4. PROTECTIVE COATING: Prior to backfilling tanks, apply a generous quantity of "Chevron 2. STONE OR GRAVEL CRUSHINGS. Washed material, with article size between 1/8" and maximum of 6' from the bottom of the tank, The 6" maximum dimensiton Is critical dire to air Asphalt Cooling by brush to oil exposed steel cables, loops and hardware. 1/2 ". Up to 3% of the particles may pass through a #B sieve. / K pollution rules. Orient the submerged drop tube to direct Incoming prodwct toward the Opposite end I. ACCEPTABLE SOAPS: "Soaping" the tank exterior and fittings using a small garden- of the tank. Refer to Installation drawings for additional etetails, type hand-pressurized spray unit. The test soap shall be o high foi.�miny 'soup•' that INSTALLATION PROCEDURE: Approved materials must be dry, free of ice and snow, and meet ASTM C-33, Pura. 7.1 for quality K bubbles easily if in contact with an air leak in the tank but won't bubble due to and soundness, The dr ravel density must be a minimum of 95 pounds q y I. HANDLING: The Contractor 's responsible for off-loading the tanks from the delivery vehicle, dispensing from the pressure applicator. Acceptable soaps ore: 1. Prepare the tank hole to receive hold-down "logs. Install shoring (or side sloping) in y 9 y P per cubic foot. A crone or backhoe of sufficient lifting capacity must be used. Ther weight of the double wall accordance with Section 02. TANK HOLE LINER: Contractor Is to provide a Filler Fabric Tank Hole Liner when: FRP tank is approximately 5000 - 6000 Ica. "Seim Test Concentrate: " mway Loc High Soap Pump2. Pup the water out of the lank hole. Keep voter out of the tank hole until tanks have a) Tank hole is in unstable soil, or 2. LIFTING & MOVING: When lifting or moving an FRP tank, always use properly sized "7006 Southbead Lack Cetector" been set, lied down, ballasted and bockfilled, equipment and lift by lifting lugs(s). On large tanks, greater than 19' diameter, use a spreader or approved equal b) Specified by Company Rep. The entire tank hole (sides and bottom) shall be covered. Lay bar to ensure a lift angle of at least 45 degrees at each lifting lugl. 3. Insert each cable through its own anchor loop In the "log" reserving sufficient cable so that the fabric with 2 foot minimum overlaps. li, PRE-INSTALLATION PRESSURE TE. T, AIRUse extreme core around and near both ends of the cable will be kept o1 the top of the tank hole after the "logs" are set. Never roll or use cables or choice around an FRP tank. Set on smooth ground, free of rocks any pressurized lank. Never pressurize secondary (outer) lank without pressurizing Lower and position the "logs; in the lank hole keeping both ends of the cables at the top Bedding material, lie-down "logs' and sample walls are to be placed on the top of the tiller and foreign objects, the primary (inner) tank. of the hole. Install the 12 rninirmurn thick bedding material in tank hole. Smooth and fabric. Excess fabric at the lop of the hole should be folded over the coal material at slope per the lank bedding instructions. subgrade level. J Exception: FRP Tanks may be rolled up to 90 degrees on a smooth clean surface when performing APrlmory (Inner) Tank fest Locate a pressure gauge in the vent/monitor tilting �y the pre-installation" pressure test. in the secondary (outer) tank. Locate a second pressure gauge at the fill opening 4. Proceed with setting the tanks by adding ballast as necessary to sink and keep down the APPROVED FILTER FABRIC MATERIAL: and connect the air pressure to this fitting. tanks. Use only enough ballast to hold the Conks down until the bockfill Is even with the 3. CHOCKING: Chock tanks in accordance with manufacturer's recommendation until ready for lop of the tanks. (Refer to Section 04 for tank setting requirements.) R"moy Inc, - Typor 3401 or Typor 3341 'installation. If windy conditions exist or ore expected, anchor tanks using minimum 172" nylon Pressurize the primary (inner) lank to a minimum of 4 psi (maximum 5 psi). Phillips Fibers Corp - "Saida ANP' Fabric or hemp rope over each tank and secure to stakes of adequate size to prevent movement of the Monitor the pressure gouges for 1 hour. There should be no pressure Increase Caution: Ballast level In tank must never exceed water (or backfill) level in tank hole Hoechst Celonese Corp, - Trevino S1120 tanks. in the secondary (outer) tank. Soap all tank fittings. during installation. or fabric approved by the lank manufacturer. 4. OPENINGS: All tanks are shipped with dust covers in each opening, Dust covers are to remain B.Secandary (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, in each opening until ready for the pre-Instollotion pressure test. All tanks must have either a flexible air hose manifold, connect the air pressure hose from the primary tank (Note: "Designated Ribs" ore marked by arrows on the tank surface.) a dust cap in place or o 5 psi pressure relief valve in place at all times. to the secondary tank. This manifold hose should be connected to the 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. 5. DAMAGE: Inspect all tanks carefully for signs of damage upon receipt. Note any damage on the to the primary lark and disconnect the air supply. Pressurize the secondary tank shipping documents and notify the Company Rep. Contact the tank manufacturer for by opening the valve between the primary and secondary tank. Soap the entire 6. Floss each set of cables (a set of cables is those cables passing through the matching, or H additional Informal on. tank and all fittings. opposite, loops on the logs) through the guides and loops as shown on the drowing. H if the tank is damaged at any other time, do not attempt repairs. Notify Company Rep, oho Upon completion Df the lest, release presiuie 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 will determine the course of action. releasing pressure from the primary tank. hold-down strop. Using three noble clomps on each set of cables, clamp both cables together on lop of the tank. Prior to tightening the clumps, tension the cables with "come- 6. SETTING: Set tanks on prepared bed with o slope downward toward the fill end of the tank, iii. POST-INSTALLATION PRESSURE TESTS, All Extreme care is to be used around o-longs secured outside the tonF hale. Use enough tension to tighten the cables but not A slope of 3" difference between the two extreme openings of the Honk is desired. The and near any pressurized tank. to lift the "logs" of crush the tank. acceptable range of slope is 4" maximum and 2" minimum; with the fill end lower than remote pump end of the lank. Tanks that exceed the acceptable slope or that slope downward to the A.Primary (Inner) Tank Test: Perform this test with all tank risers and fittings Caul Iain All sets of cables- on a tank must be tightened equally to avoid tank deformation. remote pump end are improperly set and must be reset. attached. Tighten all tank fittings. Locale a pressure gouge in one of the annular space monitor fittings In the secondary (outer) tank. Locate a second pressure The cable must rest on the top of the hold-down strap between the guides provided. 7. INSTALLATION WITH APPROVED MATERIALS: Place a 12" lift of backfill evenly around gouge 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, the tanks. Push bockLll completely underneath the tank between the ribs and under the end connect the air pressure hose to this some fitting Pressurize the primary (Inner) G 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). Soup all tank fittings and monitor After all tie-downs are completed, cornmence the bockfill procedures to the top of the bank or adjacent tank lop. If a man will be in the hole to "work" the backfill, hole must be the pressure gouges for a mnin,uni of 1 hour, There should be no pressure tanks. Q shored or side sloped as prescribed by current OSHA regulations. increase in the secondary (outer) tank. Place second 12" lift or backfill evenly around the tanks. Again, repeat the "working" of B.Secondary (Outer) Tank Test: Disconnect the air supply but maintain the pressure backfill between the ribs and under the end caps. Add backfill evenly around the tanks up on the primary lark. Pressurize the secondury (outer) tank using a flexible air hose to the tops of the tanks. If manifold. Connect a pressure hale from the primary tank to the annular space monitor fitting that does not contain the or pressure gouge. Pressurize the Backfill to subgrade after piping and testing is completed. secondary tank by opening the rronfold Volvo between the primary and secondary tank, B. INSTALLATION WITH ALTERNATE MATERIALS: All alternate materials must be compacted to 90% relative density (ASTM D-1557-70). Contractor is to furnish Comptiny Rep. with If necessary, bring pressure of both tanks to a minimum of 4 psi (maximum 5 psi) certification of compaction from a registered soil engineer, by reconnecting the air supply Uo the primary tank. F Company Rep, is responsible for providing the exact Installation specification for alternate Monitor the pressure for 1 hour and scop ol1 tank fittings, risers and pipe materials, connections. Upon complellon of the lest, release the air pressure train the F secondary tank prior to releasing pressure from the primary tank. Damage to the primary tank may result if the pressure is not relieved from the secondary Tonk first. Caution: Relieve all tank pressure prior to reiricvn,g any fittings. No tank that shows any evidence of a leak is to be kept in the systern, Any damage incurred to the lank during the installation will be the Contractor's responsibility. The Company Rep, is to be notified of any damage and will _ determine the course of action to be followed - If a hydrostatic test is required by the local agency, Isolate the tank for testing and B reconnect when testing 'r, iomplele The hydrostatic test will be obtained by Chevron. E 11. INTERINAL MEASUREMENTS Tr I 1- --t-, osurements at the Iia and the remote pump openings, on both single and dog.+ble -i FRP ,unbs Tf - rnnr+uc ler, lillessed by the Company Rep., is responsible I.,• looking nr,,y re..or,J'iriu V,-.." +,,,nein r k,•m provided 1, _ rr' by the Company. Take the first set of measurements prior to piauny any lh:ickf f around the tank. Th thesecond crane of measurements is is taken wrier the backfill has reached subgrade (prior t ',f tYie drtfer ice Detweron Uri, sets of readings"Is greuler than 1- 1/4'•, stop the job. _ Notify the. Company Rep., whr,, 'JI determine the course Of action. Contact the tank rnanufaaturer for twiner guidance. _. D 12, BALLASTING' Only the primary (inner) tank shall be used when ballosfing the took, Never (ill 4 p in the secondary (outer) Tank with a fluid If the tanks are bullosted, conduct a Hydrostatic Test YL - ns!eud bf the Rasl-inslal'bl,lpn :air testi on t,ae tank and lit rings _, _....... 13. BURIAL DEPTH: The burial depth from the top I the tank to ground level shall be a minimum of 3 feet and a maximum of 7 feet, The fittings, if a areaway is used, will be approximately 5 - 6 inches off the top of the tank This Shull be considered for the slope of the piping and thus may affect the tank burial depth. MARK DATE REVISIONS INITIAL 14, VENTING: Vent the annular' space between the primary and secondary tank only if required by U.G. TANK AND PIPING r local jurisdictions. Venting of the annular space is not required by the tank manufacturer. INSTL DBL WALL FRP TANKS required, manifold a 2 Inch FRP pipe between the tanks and connected to a separate vent riser. Do not use the primary (product) tank vent to vent the annulr+r space. t y C 15, INTERSTITIAL MONITOR: A pull string may be in the lank, Install a new pull string It the 9-3232C string is missing, lost. or broken. The pull string is not a lank manufacturer warranty item. O Install the interstitial monitor at the battom centerline of the FRP tank. Insert fish tape 8660 LOWER SACRAMENTO ROAD, a through the annular space. Tag both the pull string and probe signal cable at 12.5 ft. plus the STOCKTON, CA. v burial depth, Attach the pull string to the probe and to the fish tape and pull probe into tank. When the lags on the signal cable and the pull string match, the probe is at the bottom n centerline of the tank. The pull string Is to remain in place and future accessible. O m 16. INSTALLING THE CONTAINMENT SUMP: The containment sump roust be watertight to �� prevent liquid ingress or egress. Install a between the Conk collar and the containment sump and make a tight seal with a petroleumum re resistent butyl caulking. � Northwest [� Test the containment sump with water if required by localnspectors ior Company Rep. Northwest Region 6 17, INSTALLING THE SPILL CONTAINMENT FILLBOX: The spill containment lillbox must be B liquid tight. Test all fillboxes by filling with water for a minimum of 1 hour. There should be no drop in the water level during this test. Do not drain water into the lank, ROBERT H. LEE & ASSOCIATES. INC. ARCHfTECTURE ENq NEERiNCA ENVIRONMENTAL SERVICES 1137 NORTH MCDDwELL BOULEVARD PETALUMA CA, 94954 (707) 765-1660 JOHN W. JOHNSON, ARCHITECT JAMES H, RAY, CIVIL ENGINEER N RHL REVIEW INITIAL DATE DATE: .,p7'tkk"a 3 N PRELIMINARY H- PLANNING DR. BY: - - W ZSTEEL BID _ _ _ APPR.: ,-•F'' BLDG PEFMIi ! ') 1 A Z A GENERAL BIO, , i , RHL b 8348.10 PERMIT REVS Z CONSTRUCTION SHE Oo not use drawing ng F- ^ Q for construction 8 D- unless initialed U 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 1113