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l'E1 RPI200 - i <br /> records or the XFG readmit , Prepare Inll { thO <br /> fluid solution to Tadd to the interstitial splice . So PIPING SECONDARY <br /> 43 6 Steel Tanks . Liquid - tilled ( hydrostatic ) CONMINMENT INTEGRITY <br /> tests oil steel tanks require the sLaine fluid as file TESTING <br /> monitoring fluid . Contact tiac inariufai furca for <br /> instatctiollso 5 . 1 General . Underground product pilaitap�, is tavail<abk <br /> 4 . 3 . 7 Fiberglass Tanks . Determine tank: size with single and double walls . Double,- walled griping pro <br /> and diaatneter- and apply the appropriate method . vides containment for leaks from primary cont <ainrix nt <br /> and mutt lie le= ak - free to prevent release of prcxlud injo <br /> 4. .8 Test Equipment . Test equipraac: nt shaall the environment , <br /> Include : <br /> 5 . 2 Purpose . 11his method i , used to test the into: orify <br /> naotaitoting thrid ; of piping interstitial space( s). <br /> stopwatch or other tinac incatstrreiint da rice. 53 <br /> Description of Test . The interstitial sp.a=kce is <br /> Capable of rtleastaring al - .I,ec�tnad inc� renl� nt ; <br /> st:arled art the. ends Quad is pressurized v ith alta inert ?aas . <br /> nape measure. . The pressure i5 trtonitored for I hour. lf' lilly pressure drop <br /> occurs. the secondary containment fails the test . <br /> 4. 3 . 9 Test Procedure . <br /> 1 . Removedues= sensor that rnav be installcd in the SA Test onditions ° III printtary pipit- may c�c.Fntitin <br /> tauak interstitial space . itrcl , and dt pe,rasing attrvrtic: s may Continue &11111 "t:7 the <br /> teat WithcFart atffec°ting (C- St results . <br /> . Deforroltic and record the groundwatelk level . <br /> 5. 5 Preparation . If the naterstitiaal sptave contaains prod - <br /> 3 . Add test liquid to the tank interstitial space t ct , e tasure that file irtt + rsttrFck is open to flit° t, tmospheW <br /> bringing flee fluid level iratrF the riser ( stand <and perfonn to precision test on the, prinaitry piping belore <br /> pipe ) to the appropriate level based tato the condocting at test on the sec�ondar containment piping? , <br /> nlannfa£ inrer ' s written proi�e.dttre , <br /> . l_)�Y tlrTli=nt the Stetrtln level tttltl start trm ` of F rn7Sn rtli} t7 rt lt1iT, S nlll4t 1lC' ; 71L'il atX711 pill6n�E tel n in & <br /> the test . <br /> trcFrasI :and test: fittink's must he, accessible to perform the <br /> test . <br /> 5 . Sum the titaae- rntastn°etaaerat device <br /> Check with the piping na:nauf actarr�t rel� ardnug tr:�sttri <br /> 5 . Wait ( lie appropriate time according to the procedures and the 111-01 )er prestiure before teslinp� , Test - <br /> utattuftacturer ' s test procedure . <br /> 7 . Document the ending level and endinf time of <br /> the ti Vit_ <br /> 8 . Determine and record the groundwater level . <br /> I1 ,11111 %1I <br /> ,. <br /> 9 . Remove liquid added it) the: tank interstitial <br /> space , and restore the liquid level in the tank <br /> interstitial to norraaal op rating condition . <br /> rd <br /> 10 . Reinstall the sensor so that it is installed within 4� <br /> martuf:acturerIs specifications . <br /> 4 .3 . 10Pass/ Fall Criteria . Compare the dmta toIF <br /> � <br /> u <br /> tile:. Ina fill fleltire r "S pass/ fail cdleriaa in Appendix ,1 <br /> to de4tennnine° 11' the tank lilts passed the test , <br /> ;, . . <br /> FIGURE .moi �. . B CJtS Qt? p)lpJlrl� transitionsand through <br /> suinp walls utast be leak" tight wheit Piping ing secondvary <br /> cont; ainnient integrity tasting is performed. <br /> r pet . oftg <br />