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pklf N 2000 l 2 <br /> r'ecrralds or the AW, ro atitaut Prepare a nvointor ng <br /> fluid .solution to add to the inlerstita ,al spate . 5- w PIPING SECONDARY <br /> 4. 8 .6 Steel Tanks . Liquid4iCONTAINMENT INTEGRITY <br /> lled dhydrostatic ) <br /> tests on steel tanks require: 1110 same fluid as the TESTING <br /> monitoring fluid _ Contact the naanufacturer for <br /> instructiolas . 5 . 1 General . Underground product piping is rWitilrtable <br /> 4 . 8 . 7 Fiberglass 'Tanks . De. tennine tank size with single and double walls . Double - wIdle.cl piphy, fart? <br /> €nazi diameterrand apply the appropriate method . vides containment for leaks from pi lin :ary containment <br /> rand must let leak- free to prevent release of i}a`aa( ha : t irtitir <br /> 4 . 8 . 8 Test Equipment . `fast ciltupinew shall rile etavircautaaent , <br /> iileltide; <br /> 5. 2 Purpose . ')'his method is used to test the isle Drily <br /> monitoring fluid, of piping interstitial sprice(.s �) . <br /> stopwatch or ether de-wrice 5. 8 Description of Fest . Ilse interstitial spowre is <br /> taalaall # le of raac:atstarin`3 It 1 +t: caiiacl fmer a; faacnt ; st;itlt -tl at tilt . e. taal. {elle) is }�res ; uti �ecl With till inert gas , <br /> tape measure. The prti= a�st€ re is monitored for 1 hour. I1` any pressure drop <br /> occurs , the secondary containment fails file tesyl . <br /> 4 . 3 .9 Test Procedure . <br /> 1 . Remove any senses that mavbe installed in the 8 ' 4 Test Conditions , The primary pipe mai contain <br /> tank interstitial space . RIO . fine) dispensing activities nlaay continue: duriIIU th ' <br /> test without affecting test results , <br /> . Doteruaine and record tilt.• t.' rouildwater level . <br /> 'a 5 Preparation , 11 ' the tnietNtilt .al spzicc• contains )arced - <br /> . .add fest liquid to the tank interstitial sp �ce taut , c. nsuae thtat Ilio interstice is allNAl to file, annospnere <br /> laring. ing the iltaicl level into [ lac riser r ( staancl '" vatic ) perfonaa a precision test tiara the pritaiaary piping belorc <br /> pipe ) to tlae appropriate level based can tlae condkictiaag ;a test on the ,ecolld <ary containment pipinuf+ <br /> manufractureCs written ( aa°o etilrn'e. . <br /> 4. D(wurnent the. stilling level and start thele of Termination fittings raaust he sealed at all piping 1et1111n ,a <br /> tions , and test: fitting , n wa l he accc.s5llrle. io perforrta ileo <br /> the test , <br /> . Stall tile [ freer. iiac .a: ui'enaerat tilevice: . <br /> Cheek tylia] the pipinQ naaaanf ac. tcrrel rc. l arding resting <br /> 8 . Wait ( lieappropriate rune: according to the procedures and the proper pressure before testinol '1c� st.. <br /> auranuftac_= turer ' s test procedure . <br /> 7 . Document the ending level ;and endin <o tivae cal � � � �' <br /> the teat, <br /> 8 . Determine. and record the grotuldwvatea level . <br /> 9 . Remove liquid ;added to the: tram;. interstitial � <br /> )lace , <br /> and restore the liquid level in the ttanh � <br /> interstitial to normal operating condition . <br /> 10 . Reinstall the, sensor so that it is installed within <br /> mannfacttu-er ` s speciflcrs_tiaans . <br /> 4.8 . .01 Pass/ rail Criteria . c_otilprire the (hila tr> IV <br /> V IV <br /> file aauaanofactureCs pass/ kid criterlta in rlpl.wildis A <br /> ` . <br /> to detti* nitine if tire tank has passed the test , VVII <br /> ` <br /> IV <br /> IVVI I <br /> r <br /> FIGURE 5-1 . Boots on piping transitions egad through <br /> stirnp wells must be leak- tight when pi`t�drtg Secondary <br /> contifln ent integri(y testing is perFornied. <br /> pel , orq <br />