Designation:E2256−13StandardGuideforHydraulicIntegrityofNew,Repaired,orReconstructedAbovegroundStorageTankBottomsforPetroleumService1ThisstandardisissuedunderthefixeddesignationE2256;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisguideisintendedtoprovidethereaderwithaknowledgeofconstructionexaminationproceduresandcurrenttechnologiesthatcanbeusedtogiveanowneroroperatorofanabovegroundstoragetank(AST)inpetroleumservice,relevantinformationonthehydraulicintegrityofanew,repaired,orreconstructedtankbottompriortoreturntoservice.ThisguidedoesnotpertaintohorizontalASTs,manufactureoftanksusingUL142,ortotanksconstructedofconcreteorothernon-ferrousmaterials.1.2Theadoptionofthemathodsandtechnologiespresentedinthisguidearenotmandatory,rathertheyrepresentoptionsthatmaybeselectedtoidentifythelikelihoodofproductleakingthroughanew,repaired,orreconstructedtankbottom.1.3Thisguideisnotintendedtosuggestortreatanytechnologyinapreferentialmanner.1.4Thepersonresponsibleforapplyingthisguideshouldbeaknowledgeableindividualwithexperienceinthedesign,inspection,construction,orcombinationthereof,ofaboveg-roundstoragetanksforuseinpetroleumservice,andshouldalsobecertifiedundertherequirementsofAPI653whenuseisrelatedtotankbottomrepair.1.5Thisguideiswritteninmetricmeasureunits(SIUnits)inaccordancewithrequirementsofPracticeE621.Englishmeasureequivalentsareinparentheses.1.6Theapplicabilityofthisguidetotheproposedtankconfigurationandserviceconditionsshouldbeestablishedpriortouse.1.7ThisguidecomplieswithASTMpolicyfordevelopmentandsubsequentuseofastandard.1.8Thisguideissubjecttorevisionatanytimebytheresponsibletechnicalcommitteeandmustbereviewedeveryfiveyearsandifnotrevised,eitherreapprovedorwithdrawn.Yourcommentsareinvitedeitherforrevisionofthisguideorforadditionalstandardsandshould...
