Laserfiche WebLink
PRE-INSTALLATION TANK TEST SET UF' ngs Follow pipe manufacturers recommendations on cure time before disturbing joints Approved materials must be dry, free of ice and snow, and meet ASTM C-33, REVISIONS <br /> 6. SETCINC: Set (silks on prepared bed with a slope downward toward the III I. FIBERGLASS PIPE: Pipe and underground <br /> to pi UL approved for petroleum and P P <br /> creme openingsof the alcohol fuels, non-metallic, for underground piping of petroleum products. All or testing. If it is anticipated that the temperature will drop blow 60 F (16 C)at Para. 7.1 for quality and soundness. The dry gravel density must be a minimum <br /> Prior to'dhe pre-installation test, all shipping pads must be removed from the tank end of the tank. A slope of 3" difference between the two can iiiiie during the curio process, apply heat to the joints Only Chemical or of 95 pounds per cubic foot. <br /> n the annular space must be released. tank is des'ned. The acceptable range of slope is 4" maximum and 2' mininrnmt pipe will have bell and spigot joints. All product piping will have secondary Y 8 8 P PP Y ) Y P <br /> and Ilia vacuum o P containment. Vent and vapor recovery piping do not require secondary electrical devices recommended by pipe manufacturer are acceptable for this <br /> with the fill end lower than remota pump end of the tank. Tanks that exceed tine p Do not use open flame or sparking devices, such as propane torches, to TANK HOLE LINER: Contractor is to provided a Filter Fabric Tank Hole Liner <br /> A vacuum on the mmular space is not a substitute for the pre-installation test. acceptable slope or that slope downward to the remote pump acid are improperly containment unless specified elsewhere. purpose.eP P g P P <br /> cure resin. when: <br /> set and must be reset. <br /> TANK TESTING - INS'TRUCT'IONS: Approved Fiberglass Pipe: THREADED JOINTS: Threaded steel pipe joints must be reamed and have clean a)"lank hole is in unstable soil, <br /> 7. INSTALLATION WITH APPROVED MATERIALS: Place a 12" lift of pP 8 • P cut, perfect threads and be made up with non-hardening joint compound insoluble <br /> General: Notify Owner Representative, who MUST observe all tests, at least 24 backfill evenly around the tanks. Push backfill completely ondemeath the tank Anteron b Specified b Owner Re The ensue tank hole (sides and bottom) shall be <br /> hours in advance on any test, bcfwcui the ribs and under the end caps. This is the most important pari of the in petroleum products approved. ) P' Y P <br /> Duals 3000/L Pipe stem covered. Lay the fabric with 2 foot mir inmm overlaps. <br /> backfill process. Procedure can be done front bank or adjacent tank top. If a man y- P Y Typical joint compound: <br /> The pressure application system is to have two pressure gauges (range 0 to 10 psi will be in the hole to "work' the backfill, hole must be shored or side sloped as Smith Fiberglass, Inc. Bedding material, tie-down "logs" and sample wells are to be placed on the top of <br /> with 5 psi pressure reliefs) in the system, both in good condition and having been prescribed by current OSHA regulatioRed Threa <br /> ns. Rectorseal the Filter fabric. Excess fabric at the top of the hole should be folded over the <br /> tested and calibrated within a three month period prior to the tank test (copy of the d 11 Pipe System <br /> test and calibration data to be furnished to the Owner Representative upon Place second 12" lift or backfill evenly around the tanks. Again, repeat the O rinate Pipe Joint Compound APPbackROVED <br /> material FI at subFABRevel. <br /> request). "working" or backfill between the ribs and under the end caps. Add backfill Adhesives or <br /> d J <br /> evenly around the tanks up to the tops of the winks. DS-7104 or approved equal APPROVED FILTER FABRIC MATERIAL: f ,� <br /> USE EXTREME CARE AROUND AND NEAR THE PRESSURIZED TANK. DS-7069 �•✓ <br /> pressure prior to moving the tank or removing any of the fittings. Backfill to subgrade after all risers, sumps, piping and testing is completed. FIBERGLASS TO STEEL PIPE OR FLEXIBLE CONNECTORS: Thread Reemay Inc._Torp 3 Su or Typair 3341 Y <br /> Relieve the p 8 Non-metallic fittings are to be those manufactured b the supplier of the i halo fiberglass threaded-end adapters into the steel pipe or fitting before bonding onto Phillips Fibers Corp - "Supac 4NP" Fabric � � < <br /> P 8 Y PP PPc 8 <br /> DO NOT install a tank which shows any evidence of leaking. The Owner 8, INSTALLATION WITH ALTERNATE N1P.l ER(ALS: All alternate materials used. the fiberglass pipe. Use male end fiberglass fittings when connecting to nexs to Hoechst Celanese Corp.-tank <br /> mar .1120 It <br /> connector. All flexible connectors we male by Cnnak. The female end connects to or fabric approved by the tank manufactur<r. <br /> Ci <br /> Represcnutive is to be notified and will deterrainc die course of action that will be must be compacted to 90% relative density, (AS'Ovd D-1557-70). �'✓ to <br /> to <br /> followed. The Contractor is responsible.for all labor, material and equipment Install primary and secondary pipe and fittings in accordance with the the fiberglass piping. �{' W <br /> necessary to conduct the following tests: 9. COMPACTION CERTIFICATION: Contractor is to furnish Owner manufacturer's in o-actions. � CD <br /> 9. COMPACTION <br /> with certificationRTIof ATIO : from a registered soil engineer. SWING JOINTS AT VENT RISERS: Use steel pipe and fittings: two 90 degree .7- t� <br /> Pre-installation Pressure Test, Air 2. STEEL PIPE: (Galvanized or Black lion) elbows with nipple connections (do not use close nipple or street ell) for swing � � N <br /> joint at vent riser. ,Z W U N <br /> Post-installation Pressure Test, Air or Hydrostatic Schedule 40(ASTM A-120) Steel Pipe <br /> ACCEPTABLE SOAPS: "Soaping" the tank exterior and fittings using a small POST-INSTALLATION PRESSURE TESTS, AIR: 250# Railroad Unions - SPECIAL ductFITTpump <br /> The shut-off valve ("Shed"n "S inion valve) at the base W o W .a '� o <br /> garden-type hand-pressurized spray unit. The test soap shall in a high foaming 150# Malleable Iron Fittings of the product pump or dispenser is secured in position with a BRAVO TANK HOLD-DOWN INSTALLATION AS APPLICABLE) Ems.., " <br /> "soap' that bubbles easily if in contact with an air leak a the tank but won't bubble Containment System as derailed on the drawings, <br /> Extreme care is to be used around and near a pressurized tank Do not use standard couplings typically furnished with the pipe. GENERAL REQUIREMENTS: Anchor all underground storage tanks with <br /> due to dispensing from the pressure applicator. Acceptable soaps are: Position the valve so that the line test rt plug is accessible. "^�,�r^ _ <br /> A. Primary (inner) Tank Test: Perforin this test with all tank risers and fittings Po P g concrete hold-downs ("logs or deadmen") when specified by Owner Rep. in the 2 <br /> "$cam Tut Concentrate: attached. Tighten all lank fittings. Locate a pressure gauge in one of the annular HANDLING OF PIPE & FITTINGS: All piping installations shall con(omt to Scope of 1Vork. '�' m <br /> "Amway Loc aceHigSoap" 8 e manufacturers s <cificationS and installation guidelines. PIPE WRAPPING: All underground steel pipe and fittings shall be field primed <br /> space monitor fittings in the secondary (router) tank. Locate a second pressurc pipe P and wrapped. Wrapping material shall to 35 mil polyethylene tape "Polyken 930" BALLAST: Use water as ballast under all conditions where ballast is requ'vcd. Z y 3 <br /> "#7006 Southbend Leak Detector" gauge with a 5 psi pressure relief, to one sof the primary (inner) tank fittings and manufactured b the Kendall Company or equal approved b Owner W <br /> veil cal et the air pressure hose to this carne: fining. Pressurize the primary (inner) I. FIBERGLASS PIPE: Careful handling of piping is critical. Protect piping Y P Y ( 9 PP Y <br /> or approved eq tonne p Representative). Wrap ovcrla shall be one width of wrapping material p N N <br /> m f 4 si maximum of k si . Soa all tank fittin s and monitor against abrasion from sharp or hard objects; impact damage from improper P )• P P PP 8 DRY FIOLE CONDITION: Tanks, with backfill toe will <br /> enter must be ballasted r <br /> coil and tank to a minimi o p ( P ) P 8 Wrap 1-I/2" and 2" fittings with Polyken 900 Q2 mils) with a 60% overlap. In if them is any chance that surface or subsurface water will toter Ilia tank hole to a to F <br /> PREINSTALLATION PRESSURE TEST. AIR: Use extreme care aro the pressure gauges for a minimum of l2 hour. There should be no prcssurc storage, transporting, laying or backfilling. Inspect all pipe Cor damage prior to difficult areas PoI ken 931 can be used before wrapping with Pol ken 900. 3 <br /> near any pressurized tank. Never Pressurize secondary (outer) tank without increase in the secondary (outer) tank. installation in the piping system. Y PP 8 Y depth of 23"of greater above the bottom of tanks. .� ,� .7 <br /> pressurising the primary (inner) tank Primer shall be Polyken 927 (above 40 degrees F) or Polyken 919 (above 10 z <br /> he van monitor ficin B. Secondary (Outer) Tank Test: Disconnect the air supply but maintain the 2. STEEL PIPE AND FITTINGS: Protect against damage to protective <br /> degrees F). Caution.-Do not ballast tanks until backfill is to top of tanks. n <br /> A. Primary (inner)Tank Test: Locate a pressure gauge int V 8 pressure on the primary tank. Pressurize the secondary (outer) tank using a coating/wrapping. Exceptions: Do not wrap the union at the remote pump and/or FRP pipe/flew WET HOLE CONDITION: Attempt to pump water from the tank hole to maintain <br /> in the secondary (outer) tank. Locate a second pressure gauge at the fill opening flexible air house manifold. Connecta pressure hose from the primary tank to the connector connections. a "Dry Hole Condition," If unable to obtain a "Dry Hole Condition," notify < <br /> and a se connect theaioutessuro to rue fitting. annular space monitor fitting that docs not contain the air pressure gauge. INSTALLATION REQUIREMENTS: Interior surface of all pipe and fittings r <br /> Owner Representative who will determine the course of action. Install filter fabric, <br /> imam of 4 psi maximum 5 psi). Pressurize the secondary tarrk by opening the manifold valve between the primary must be free Conn dirt, scale, metal,fiberglass particles, etc. be Core connecting. tic-down 'logs" and bedding as specified elsewhere. Set tank in hole, partially fillIz <br /> Pressurize the primary (inner) lank to a mm P ( and secondary tank. with water until it sinks firmly on the bed. Use only enough water to ballast rank ^ <br /> Monitor die pressure gauges for 12 hour. There should be no pressure increase in Product piping rust be pitched upward continuously from tanks to risers a until backfill is to top of tank. Alter backfill to top of tank, fill tank with water <br /> the secondary(outer) tank. Soap aJl tank fittings. If necess g p P ( P ) P ( p P P piping o <br /> wry, brio pressure of both tanks to a minimum of 4 psi maxmmm 5 Psi) minimum of 1/ per fool. 1/4" per foot is released for inductand anal completion of installation. t--i <br /> by reconnecting the air supply to the primary tank mandatory for vent and vapor recovery piping). Traps or sags will not be <br /> B. Secondary (outer)Tank Test: Lcavc the pressure on the primary tank. Using pemhitted. Group all piping and locate as shown on the plans. Lines are to be laid Caution - Ballast level must never exceed water or backfill level in die hole during �� m <br /> a flexible air hose manifold, connect the air pressure hose from the primary tank to Monitor the pressure for 1/2 hour and soap all tank fittings, risers and pipe straight, using fittings for directional and elevation changes. <br /> installation. Do not remove ballast until lank slab has been poured. Do not set <br /> the secondary tank. This manifold host should be connected to the vent/moniror connections. Upon completion of the test, release the air pressure from the t e that TESTING OF PIPING remote pump motor until ballast water has been removed from Lank. /1 <br /> ❑c8 <br /> in that docs not contain the air pressure gauge. Close the valve to the primary secondary tank prior to releasing pressure from the primary tank. Damage to the Do not support piping with foreign objects, such as scraps of wood, p'p F-1 <br /> tank and disconnect the air supply. Pressurize the secondary tank by opening the primary tank may result if the pressure is not relieved from the secondary tank may dainage piping. General Contractor to coordinate testing with local inspectors and Owner TANK HOLD-DOWNS (Tie-Downs): Install hold-down "logs" at all locations <br /> valve between the primary and secondary tank. Soap the entire tank and all first. Representative, with know water conditions and at those locations where water is found during <br /> vaings. For bedding of piping runs and backfill of pipe trenches, refer to Section 02.10 W f. - �J e <br /> Lank installations. r <br /> Caution: Relieve all tank pressure prior to removing any fittings. subsequent portions of this section. The Contractor / Subcontractor is responsible for all labor, material, and TM'1 O -' <br /> Upon completion of the test, release pressure from the secondary tank prior to �n•/� < <br /> equipment to conduct pressure tests (air or hydrostatic) of all product, vent and MATERIALS: r , S , <br /> releasing pressure fromthe primary tank. No tank that shows any evidence of a leak is to be kept in the system Any CUTFWG OF PIPE: vapor recovery piping. n U <br /> damage incurred to the tank during the installation will be the Contractor's 1. CONCRETE HOLD-DOWNS: Pre-cast, reinforced concrete "logs" shall be O M�^1 f. 1 Q <br /> ibilit . The Owner Re rcsencuive is to be noted of any damage and will 1. FIBERGLASS PIPE: Cut with a fine-toothed hacksaw blade or an abrasive TESTING DEVIATIONS: Do not deviate from the following testing procedures. calculated and engineered prior to fabrication. Engineering and bouyancy V 8 <br /> Contractor to seal and protect tanks) and all piping during installation to prevent mspons y P M""'( <br /> rain, soil,debris, ate. from entering tank(s) and piping. detemune the course of action to b: followed. wheel on a circular power saw. Use a saw guide or"Wrap Around" To ensure a calculation shall be stamped by a professional engineer. [� ^^ � ,1 - <br /> square cut end. Cut pipe end must be within 1/8" of square, n..( C-' F--i � I <br /> 1. FIRST TEST (Prior to Back Filling not Trenches): Do not connect piping to <br /> L EPTF1: The burial depth from the to of the tank to ground level shall If a hydrostatic test is required by die locaal agency, isolate the tank for testing and tanks, remold pumps or dispensers. Do not scat or install secondary containment I2"diameter galvanized sleet anchor loops are to be cast into "logs" at locations O i' \ v <br /> BURIA D P P c <br /> be a minimum of 3 feet and a maximum of 7 feet. The fittings, if a manway is reconnect when testing is complete. 2. STEEL PIPE: Cut with a hand or power or power-operated pipe cutter, as in finings until primary piping is tested. shown. Pre-cast material shall have achieved its ultimate compressive strength of (� <br /> used, will be approximately 5 - 6 inches off the top of the link. This shall he nomhal fitting practice. /'� u <br /> 2500 psi (23 days) prior to installation. � \„! �I <br /> considered for the slope of ilia Piping and thus may affect the tank burial depth. INTERNAL MEASURENIENIS: Take internal diameter measurements al th< fill Test the entire piping system, i.e. product, vent, secondary containment and vapor F--1 <br /> and the remote pump openings, on both single and double wall FRP tanks. The TAPERING & REAMWG: Taper all cut fiberglass pipe ends to 1-3/4 degrees recovery (where applicable). In accordance with the following procedure. pre-cast concrete foundation piles which mea or exceed above specifications arc r---qContractor, witnessed by the Owner Rm]Representative,is responsible for making and using one of the tapering tools available frothe pipe manufacturer. Protect pipe acceptable. <br /> recording these measurements. Take the first set of nneasurements prior to placing during tapering to prevent damage to pipe. The finish taper shall be smooth, clean Step One: install pressure application system that includes two pressure gauges <br /> t m 1 2' o- <br /> an backfill sound the tank. The second set of measurements is taken when the and free from surface defects. The length of tapes for 2" diameter pipe is 1-5/8" (1 S prig maximum). Apply 10 prig into the piping system $oiap all joints using 2, WIRE ROPE CABLE: Hot-dip galvanized creel wire rope, mina hu / <br /> Y and for 3" diameter pipe is I-3/4". For other size pipe, consult pipe ^' <br /> backfill has reached subgrade(prior to pouring the conaem slab). manufacturers instructions. approved soap solution. Carefully observe each joint for evidemee of leaks. diameter, breaking strength,20.4K. <br /> r <br /> If the difference between any 2 sets of readings is greater than 1- 1/4", stop tilt p g duds, etc., furnished b the FRP <br /> Step Two: Protect arca around piping systems to prevent workmen. passers-by, 3. I1ARDIVARE: Cable clam s, cable guides, guards. Y i <br /> job. Notify the Owner Rep., who will de ranine rhe course of action. Contact do Steel pipe ends are to be reamed. etc. front entry. Install pressure application system that includes two pressure tank manufacturer, shall be hotdip galvanized steel. <br /> DOUBLE WALL FRP TANK INSTALLATION tank manufacturer for further guidance. gauges (150 psig maxianum APPIY 00 psig Pressure to each piping systemstem hold <br /> for one minute, release pressure. <br /> Repeat for five cycles. INSTALLATION PROCEDURE: I � <br /> MATERIALS: Double-Wall fiberglass reinforced plastic (FRP) storage tanks as BALLASTING (AS APPLICABLE): Only the primary (inner) tank shall be used u <br /> ide J <br /> supplied installed by Contractor in accordance with the plans and specifications. when ballasting the tank. Never fill lie secondary (outer) tank with a fluid. If the Step Three: Repeat Step One. 1. Prepare the tank hole to receive hold-down "logs". Install shoring (or s <br /> tanks arc ballasted, conduct a Hydrostatic Test (instead of the post-installation air sloping)in accordance with EXCAVATION & BACKFILL. _ C <br /> The contractor will famish the exact hardware listed on the "Equipment List" tut) on the tank and fittings. Alter verification of pipe testing and obtaining approval, Ilia Contractor shat! <br /> Theunlec otherwise specified by the Owners Representative. backfill trenches m subgrade being careful not to damage tanks)or piping. 2. Pump the water out of the tank hole. Keep water out of the tmtk hole until t"'I U. <br /> VENTING: Vent ilia annular space between the primary and secondary tank only tanks have been u4 tied down,ballasrel and backfilled. <br /> W f <br /> Other Contractor supplied equipment includes: vapor recovery (when specified) if required by local regulatory requirements. If required, manifold a 2 inch FRP SETTING AND BEDDING PIPE 2. SECOND TEST (After sealing secondary piping): Apply l0 lu psi <br /> to the y <br /> Phase 1 assemblies: Adapters, dust caps and nameplate holders. Phase 2 pipe between the tanks and connected to a separate vent riser. Do not use the secondary containment system. Soap all joints using approved soap solutions. 3. Insert each cable through its own anchor loop in the "log" reserving sufficient U 0 <br /> Equipment: Anti-Recirculation valve, high hose retractor, nozzle swivels, flow rim (product) wok vent to vent Uhc mmular spaces. A 4" minimum bed of backfill material is to be placed in all piping trenches. cable so that both ends of the cable will be kept at die top of the tank hole after the • • O �/ b <br /> primary (P ) � Fj-1 <br /> ti-kinksprings, swivel valve. <br /> camps, extension. Smooth, compact and slope bedding material to allow a slope of 1/4" per foot 3. T}11RD TEST (After connecting piping to tanks but prirtr to backfilling): "togs" are set Lower and position the "logs" in the lank hole keaping both ends / Z <br /> litnirer, an P P <br /> INTERSTITIAL MONITOR: A pull suing may be in the tank. Install a new pull toward the tanks. In extreme conditions, J/8" per foot may be used if approved by Apply pressure air (30 psi max.) to test system. This pressure the <br /> all lines ural of the cables S the top n the hole. Install the bedding <br /> insum thick bedding material W F....I r \ <br /> Cut the submerged drop tuba for product and heating fuel tanks ata 45 degree string if the string is missing, lost, or broken. The pull string is not a tank Owner Representative. paving is completed. There should be no loss of pressure during the remainder of in tank hole. Smooth and slope per the tattle txdding instructions. } r h `J <br /> angle so the lowest point will be 3" minimum/4" maximum from the bottom of manufacturer warranty item. Install the interstitial monitor w the bonont centerline the construction. F+1 �./ <br /> The highest int must be a maximum of 6" from the bottom of die tank. tank. Insert a fish tape through the annular space. Tag both the pull Piping shall be placed on a prepared bed in such a manner as to minimize points at 4. Proceed with setting the tanks by adding old Ili as necessary down <br /> to sink and keep <br /> the tank. Th g point string <br /> the FRP P 8 F-t F-t <br /> ' maximum dimension is critical due to air pollution rules. Orient the and robe signal cable at 12.5 fL las the burial depth. Attach the pull which one pipe may cross over another pipe. At points where piping must cross 4. FOURTH TEST(Aber Backfilling and Patch Paving): Applies to product lines down Ilia tanks. Use only enough ballast to hold the tanks down anal the backfill T 1 <br /> The fi t string p g P U <br /> submerged drop tube to direct incoming product toward the opposite end of the string to the probe signal cable at 12.5 ft. plus the burial depth. Attach the pull over, a minimum of 2" must separate the pipes. after backfill and patching of concrete islands, slabs, anal yard paving is is even witch the lop of ilu tanks. � W T 1 O <br /> tank. string to the probe and to the fish tape and pull probe into rank. When the togs on completed- f� \•/ <br /> r is responsible far off-loading the tanks from the the signal cable and the pull string match, the probe is at the bottom centerline of When piping is placed on the bed, proceed to "First Test" (below) prior to 5. Install the cable guards, guides, etc, furnished by tank manufacturer on the O F-�-t F-i se <br /> L HANDLING: The Contractor p g the lard, backfilling trenches. Vent lines and vapor recovery piping (with phase 11 vapor recovery): designated ribs of the tank (Note: Designated Ribs arc marked by arrows on the I H QI N <br /> delivery vehicle. A crane or backhoe of sufficient lifting capacity must be used. tank surface.) <br /> INSTALLING THE CONTA WNIEN-C SUMP: The containment sump must be CLEANING SOLVENTS: Remove any accumulation or accidental spill of pipe Contractor is responsible for vent and vapor recovery piping s}ysmms passing any u <br /> 2. LIFTING & MOVING: When lifting or moving an FRP tank, always use watertight to prevent liquid ingress or egress. Install a gasket between the tank <br /> cleaning solvents on the tank immediately with a dean cloth. After the piping is locally imposed tut requirements. <br /> sized equipment and lift b lifting lu s s On large woks, ,alter than 8' Caution: Ballast level in tank must never ezeccd water (or backfill) Ievd in lank O o <br /> properly W p y 8 g O• B collar and the containment sunup and make a tight seal with a pcuolcum its completed, inspect the containment sump and other collection points for piping hole during installation. <br /> diameter, use a spreader bel to ensure a lift angle of at least 45 degrees at each butyl caulking. cleaning solvents. Contractor will be responsible for any damage to tank resulting U e---I <br /> lifting lug, .from an accumulation of pipe cleaning solvent 6. Pass each set o[ cables (a set of cables is those tablas passing through the <br /> Test the containment sump with water. matching, or opposite, loops on the "logs") through the guides and loops as z <br /> Never roll or use cables or chains around an FRP tank. All tanks should be REPAIR OF PIPING: Replace any damaged piping immediately. Repair of shown on the drawing. <br /> IL A <br /> thoroughly inspected while on the delivery truck Tank should then be(by use of INSTALLING THE SPILL CONTAINMENT FILLBOX: The spill containment piping using field cut half section of pipe is not acceptable. If approved by <br /> a mperly sized crane) lifted off and set directly into the tank excavation. fillbox must be liquid tight. Test all fillboxes by filling with water for a minimum Owner's Representative, repair using manufacturer supplied pipe fittings and One end ld each cable is be crossed over the top 1p the tank in the roamer portion <br /> P <br /> u to 0 degrees on a smooth dean surface of l hour. There should be rid'drop in the water level during this test. Do not procedures is acceptable. Repaired pipe Requires complete testing or retest using of the hold-down strap. Using throe cable clamps on each set of cables, c amp I <br /> Exception- FRP tanks may he rolled p 9 g drain water into the Lank. procedures below. Iwai cables together on top of the tank. prior to tightening the clamps, tension tic <br /> when performing the "pte-installation" pressure test. cables with abler but <br /> secured outside the h diank hole. Use enough tension to <br /> SECONDARY CONTAINMENT FITTINGS: Two piece fittings require more PATCH PAVING & CONCRETE WORK tighten dm cables but not to lift the"logs" or crush au tank PROIECh NO. 1081 <br /> 3. CHOCKING: Chock tanks in accordance with manufacturer's adhesive than normal bell and spigot joints. Two 7116" wrenches or a variable <br /> recommendation until ready for installation. IC windy conditions exist or are torque impact wrench is required to tighten Ilia fittings. Make sure adhesive fills Caution: All sew of cables on a tank must be tightened equally to avoid tank <br /> expected, anchor tanks using minimum I2" nylon or hemp rope over each tank all gaps between pipe ends and fitting sockets. SCOPE OF WORK: deformation. <br /> and secure to stakes of adequate size to prevent movement of the tanks. SCALE <br /> FLEX CONNECTOR BOOTS: Encase all flex connectors when in contact with Patch Paving: Patch work applies to minor work in connection with covering of The cable must rest on the top of the hold-down strap between the guides <br /> ' 4. OPENINGS: All tanks are shipped with dust covers in each opening. Dust soil in an isolation boot Move the isolation to inspect and test all primary piping Pipe trenches, areas adjacent to tank slab and other areas disturbed during tank provided. Repeat this process for each set of tic-down cables. <br /> f I covers we to remain in each opening until ready for the pre-installation pressure and flex connector. mswllation. <br /> 1 tesL All tanks must have either a dust cap in place or a 5 psi pressure relic(valve PRODUCT, VENT & VAPOR RECOVERY PIPING After all tic-downs are completed,commence the backfill pracdures to the top of AUGUST f0, 1997 <br /> in place at all times. Concrete: Concrete work applies to installing tank slab, repair of drive slabs and the Links. <br /> MATERIALS: All pipes, finings, risers, wrapping materials, etc., shall be BONDING & ADHESIVE SYSTEMS (Fiberglass Pipe): All fiberglass surfaces other areas disturbed during Lusk installation for slab details. <br /> 5. DAMAGE: Inspect all tanks carefully for signs of damage upon reCeipL Note furnished and installed by the Contractor. Specific materials noted in the to be bonded shall be cleaned with solvent supplied by pipe manufacturer. if <br /> any dnnage on the shipping documents and notify the Owner Representative. "Furnished Equipment List' and/or on plans will be furnished by Owner. temperature is below 60 F (16 C), warn all tapered surfaces prior to applying <br /> Contact tire tank manufacturer for additional information. resin or use epoxy adhesive as recommended by the manufacturer on all bell and APPROVED MATERIALS SAMPLE 1VELLS SPEC. <br /> All pipe runs arc to be a("fiberglass"pipe and sized in accordance with plats. spigot joints. Mix adhesive thoroughly in accordance with manufacturer's <br /> If the lank is damaged at any other time, do not attenhpt repairs without notifying instructions and apply to both surfaces. Insert the spigot end into the bell using a APPROVED BACKFILL MATERIALS: Install two cloned sample wells in opposite comers o[the tank hole. Position the I <br /> Owner Representative. Steel pipe and fhtangs are to lx used only ro fabricate swing joints for vent riser. slight fuming motion (one-half tum to a full tum is necessary) and push. Sinitic wills in the holt poor to placing the bedding material Support the sample <br /> Flex connectors arc to be used for riser to emergency shut-off valve or pump 1. PEA GRAVEL: A clean,naturally roundel aggregate with a IB" minimum and wells to keep them vertical during backfill. Bolcom of maple weti is to bo 12" <br /> conncetion at pump block. Above ground vent riser is to be steel pipe. Apply pressure until mechanical lock is achieved. Maintain back axial pressure on a 3/4" rnaArnum diameter. Up to 3%of the panicles may pass through a 118 sieve. n inluwm below the bottom of ranks. Top of pipe to Icnrunate in 12" diameter <br /> all previously assenhbled joints to reduce the chance of separation. fillbox. Stoned sample wells shall be provided by General Contractor, unless <br /> Black iron pipe or fitting shall be used with diesel fuel. Do not use galvanized 2. STONE OR GRAVEL CRUSHINGS: Washed material, with particle size otherwise instructed by Owner Representative. Sample well shall have a locking <br /> pipe or fittings with diesel fueL Inspect all fittings for proper alignment and possible "back-out" at the joints. between I/8" and 12'. Up to 39. of the particles may pass through a 08 sieve. cap warning tap, and secured manhole cover. See tank installation drawings for <br /> details. <br />