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<br />COMPACTED BASE---
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<br />ASPHALT PER CIVIL DESIGN
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<br />NOTE
<br />ALL TRENCHING SHOULD BE COMPLETED PRIOR TO THE fiNAL SURfACE
<br />COURSE BEING LAID IN ASPHALT PARKING AREA.
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<br />RII?E TRENCf~rDETAIL
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<br />- BUILDING OR BUILDING COLUMNS
<br />- 3'-011 OF NEON ELECTRODES OR JUNCTION BOX
<br />- 5'-0" OF ELECTROLlERS OR ELECTRIC SIGNS
<br />- 25'-0" OF' EVAPORATOR COOLERS OR HEATER FLUES
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<br />
<br />21
<br />
<br />PRODUCT, VENT & VAPOR RECOVERY PIPING
<br />
<br />A FOLLOW MANUFACTURERS INSTALLATION PROCEDURES FOR INSTALLING FLEXIBLE PIPING
<br />INSTALL ALL PIPING IN ACCORDANCE VVl11-i NFPA-JO
<br />B, PRE-TESTING PROCEDURES
<br />1 The underground storage tonk should be Isotated (rom the prplng system prIor to
<br />tostlng
<br />2 Shear valves and rlser pfpes located under dIspensers should be tested with product ptplng
<br />.3 All pipe couplln~/swlvel connecllons should be tightened securely before testing
<br />4 The Interslltlal (secondary) lIne should be Interconnected and fitted With an aIr gauge
<br />5 All local buildIng, safety and fire codes should be followed prIor to testrng
<br />
<br />AIR PRESSURE TESTING PROCEDURES - PRIMARY PIPING
<br />
<br />1 The air pressure Integrity test procedure for the flexible supply plprng Is one and one half (1 1/2)
<br />trmes the normal operaUng pressure of the submersIble pump, not to exceed sfxty pounds per
<br />squor() Inch (60 psi) Make sure the fleXible plpellne Is Isolated (rom both the underground
<br />atoragl3 tonk and the above ground product dispenser when conducting thiS test All pressure
<br />testing should be conducted by quallfled and exper1enced personnel Do not attempt to
<br />dIsconnect coupltng9, cops or plugs unless the air pressure hos been released
<br />2, Gradually apply air pressure Into the flexlbla piping line. Do no exceed sixty pounds per square
<br />Inch (60 pSt)
<br />:5 Maintain pressure for a minimum of three hours making sure that there Is no drop In pressure
<br />Note Srgnlf1cant temperature changes can result In a pressure readIng dlfferenttal
<br />-1 DurIng pressurizing, check the reading on the test gauge whIch should be connected to the test
<br />tube of the Interconnected Interstitial line Any Increase In pressure Will indicate a leal< In the
<br />primary supply line
<br />5 During the pressurizIng penod, apply 0 soapy water solution to all ptplng connect1ons and Inspect
<br />for bubbles
<br />(3 Be sure to maIntaIn safe practices when doing pressure tesUng
<br />
<br />D AII~ PHESSURE TESTING PROCEDURES - COAXIAL INTERSTI11AL (SECONDARY CONTAINMENT)
<br />
<br />1 After the Inner prImary flexible pIpe and prprng connections hove been lntegrlly testedl the enttre
<br />Interstltlal space of the COaXial pipe must remafn connected and only then should the outer
<br />contolnment Jacket be Integrity tested
<br />2 [nslde all tank sumps the test gauge IS connected to the brass fittmg at the end of the 36" long
<br />test tube The test gauge ossembly consIsts of an or,. gauge with a moxlmum 15 PSI scale
<br />connected to a 1/4" brass tee fitting which will thread Into the brass fitting at the end of the test
<br />tube Wrop male threads With teflon tape to Insure a goad saal Connect air hoses directly to the
<br />brass tee fittIng
<br />J GrQdually apply arr through the test gauge and test tube Into the Interstitlal pIpIng lIne The
<br />Interstitial apace of the coaxIal pIping Is very small and wIll not requtre a large volume of aIr
<br />PressurIze system to no more than 5 psI Durlng the pressurization period apply soapy water
<br />to the entrre length of the pIping system and check for ony aIr bubbles After tesllng, drsconnect
<br />the test gauge and lay the test tube down Into the boHom of the tank sump
<br />
<br />E INSTALLING CROSSOVER SUPPORTS (Verify with Manufacturer RecommendatIon)
<br />
<br />1 Crossover supports should be used at all flexible pIpIng crossovers ond Installed over the flexIble
<br />piping at ony rigid piping or condUit crossovers These two piece supports ara Installed to both
<br />the upper and lower ftexlbte pipe sections They must be [nstolled before backfill begIns They
<br />are designed to provIde a flat crossover surface (or the upper plpa and also allow for even
<br />backfill compactlon around both fleXible pipes
<br />2 To Install, align upper and lower support and fasten together usIng the supplied clips
<br />3, Be certain not to scratch piping white Installing clipS
<br />
<br />YENor (RIGID) PIPING SPECIFICATIONS
<br />
<br />lL
<br />
<br />21 VENT .$c YAPOR RECOVERY PIPING
<br />A PIPING
<br />1. Steel prpe (Go(vonlzed) All plprng shall elope back to Tanke (1% Mln )
<br />
<br />8 HANDLING Or PIPE & F111lNGS
<br />All p!plng Installations shall conform to IPlpe manufacturer's speclflcatlons ond [nstallaUon guldt\lnes
<br />1 flberglose pIpe Protect agalnat obro$lon from sharp or hard ob~cta, Impact domage from
<br />Improper storage, transporlln9. IQYln9 or backfllHng Inspect 011 pipe for -iamage prior to ustng
<br />tn the piping system
<br />2 Steel pipe and fittings Protect against damage to tho protective coaling
<br />22 INSTAllATION REQUIREMENTS
<br />A LAY1NG OF PIPE
<br />1 InterIor surface of 011 pIpe and fillings must be free from dirt, scale. metal, fiberglass partIcles,
<br />ete, before connecting
<br />2 Do not support pfplng wtlh foreign objects, such os scraps of wood, pIpe, ate Uso Major 011 opproved
<br />pIpIng support
<br />O. CUTTING OF PIPE,
<br />1 Cut prpo to en5urt) a 5quares cut end Cut pipes end must bo withIn 1/8- of square
<br />C TAPERING &: REAMING
<br />1 ffberglasa Pfpe oU cut ends must be tapered per pipe monufaoturer Proteot pfpe durfng tapering
<br />to prevent damage to pIpe The flMJh toper sholl be smooth, clean, and free from surface
<br />defects Tha longth of toper (or 2- dlometer ptpG Is 1 5/8" and (or J" dlametor pIpe Is 1 3/4- For
<br />olher size pipe, consult pipe manufacturer's Instructtons
<br />2 Steel pipe enda are to ba reamed per Industry standards
<br />D DONDING &: ADHESIVE SYSTEMS (Ameron F1berglass Pipe)
<br />1 All flbergtass pIpe surface3 to be bonded sholl be cleaned with solvent as recomended by
<br />manufacturer Apply pressuril untO mechanIcal locI< rs achIeved Bock axral pressure should be
<br />maIntaIned on all prevIously assembled Joints to reducG the chance of separation
<br />2 Inspoct 011 fltllngs for proper alignment end pOSSible Pback out" at ths jOints
<br />J follow pIpe manufacturer'a recommendatrone on cure trmo before dIsturbIng JoInts or testlng
<br />E 'I'HHEADED JOINTS
<br />lhrcadcd lolnt:s must be reamed and have clean cut, perfect threads and be mads up wfth non-
<br />hardenIng Joint compound Insoluble In petroleum products DO NOT USE ADHESIVE fOR
<br />TIiREADED CONNECTIONS
<br />f FlGERGLASS TO STEEL PIPE CONNECTIONS
<br />fiberglass threaded end adapters ora to be threaded Into the steol plpo or flltrng before bonding onto
<br />the fiberglass pipe All flexible connectors are mode female
<br />The female end connects to the fiberglass pIpIng
<br />DO NOT USE ADHESIVI:: FOR THREADED CONNECTIONS
<br />G SPECIAL F1TTINGS
<br />Poslllon the volvo so that the I[no test pOfl plug Is accessible
<br />HI SETl1NG & BEDDING PIPE,
<br />1 PIping shall be placed on prepared bed In such a manner as to mInImize paInts at which one plpo
<br />moy cross over another plpo At polnla where ptplng must crossover, 0 minimum of 4- Inchea
<br />must separate lhe pipes
<br />2 When piping Is placed on tha bed. proceed to -Flrsl Tes~" (below) prior to backflltrng trenches
<br />I ClEANING SOLVENTS Remove any accumulotron or aCCidental spill of prpe cleaning solvents on
<br />tho tonk Immodlately wIth a clean cloth After the pIping Is complete, Inspect the contaInment sump
<br />and ather collection pOints far prplng cleaning solvents
<br />
<br />J fLEX CONNECTOR 800TS
<br />Encase all flex connectors In an Isolation boot when In contact wllh soli or backfill material Move
<br />the IsolatIon to Inspect ond test all prImary prplng ond flex connector
<br />
<br />2 3 TESllHG OF PlP1NG
<br />
<br />A Notify the Owner's Rap, who should observe all tests, at least 24 hours In advance of any tests
<br />Controctor to coordfnote tesllng With local Inspectors and Owner', Rep
<br />8 RESPONSIBIUTY
<br />The Contractor ra responsible (or all labor, materia'. and equrpment to conduct pressure tests (atr
<br />or hydrostottc) of 011 product, vent and vapor recoyery prplng
<br />C TESTING DE\1ATIONS 00 not devlat~ from the followIng testing procedures Perform alternate
<br />tostrng procedures required by local [nspectors after Owner's tests are completed and documented
<br />1 fiRST TEST (Prtor To Back Flltrng Pipe Trenches)
<br />Do not connect ptplng to tanks, remote pumps or dispensers Do not seal or Install secondary
<br />containment flttrngs until pnmary pfpfng Is tested Test the entire piping system, Ie, prO<:luct,
<br />vent and vapor recovery (where applicable) In accordance wIth the follOWing procedure
<br />a step One (nstall pressure opplrcation system that tncludes two pressure gouges (15 psi
<br />maxtmum) Apply 10 psi pressure to each pfplng system Soap 011 JOints usIng approved soop
<br />solution Carefully observe each joInt for evidence of leaks
<br />b Step Two Pratect orea around pIpIng systems to be tested to prevent workmen, passers-by,
<br />ate, from entry Install pressure application system that Includes two pressure gouges (75
<br />psi maxtmum) Apply 60 psi pressure to each product pIpIng prImary system only All alher
<br />systems secondary Yen t &: vapor & tonk tests at 5 psI Max
<br />
<br />Record 011 test results The Contractor shol backfill all trenches to subgrade
<br />TESTING EQUIPMENT
<br />Test lines usIng Petro mil Hydrostatic L1nil TesUng equipment or oppraved equal
<br />Test nUld shall be oSSlgned product, diesel fuel Contractor to comply
<br />fully with tha Procedure Manual for tha Operotlon of Une Tester
<br />Test pressure sholl be (1 5 tlmes operating pressure - 150%) for 0 remote pump
<br />system wflh on allowable tolerance of 0 010 gal/hr
<br />VENT UNES (no phase II vapor recovery)
<br />Unless requIred by tocot agency, no second test reqUIred
<br />VENT LINES AND VAPOR RECOYERY PIPING (with phose II vapor recovery)
<br />Contractor Is responslblo for vent and vQJPor recovery pIpIng systems passrng any locally rmposed tasts
<br />
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