API RP 2FB 1ST ED (R 2025) Recommended Practice for the Design of Offshore Facilities Against Fire and Blast Loading; First Edit.docx

RecommendedPracticefortheDesignofOffshoreFacilitiesAgainstFireandBlastLoadingAPIRECOMMENDEDPRACTICE2FBFIRSTEDITION,APRIL2006REAFFIRMED,JUNE2025AmericanPetroleumInstituteSPECIALNOTESAPIpublicationsnecessarilyaddressproblemsofageneralnature.Withrespecttoparticularcircumstances,local,state,andfederallawsandregulationsshouldbereviewed.NeitherAPInoranyofAPsemployees,subcontractors,consultants,committees,orotherassigneesmakeanywarrantyorrepresentation,eitherexpressorimplied,withrespecttotheaccuracy,completeness,orusefulnessoftheinformationcontainedherein,orassumeanyliabilityorresponsibilityforanyuse,ortheresultsofsuchuse,ofanyinformationorprocessdisclosedinthispublication.NeitherAPInoranyofAPsemployees,subcontractors,consultants,orotherassigneesrepresentthatuseofthispublicationwouldnotinfringeuponprivatelyownedrights.APIpublicationsmaybeusedbyanyonedesiringtodoso.EveryefforthasbeenmadebytheInstitutetoassuretheaccuracyandreliabilityofthedatacontainedinthem;however,theInstitutemakesnorepresentation,warranty,orguaranteeinconnectionwiththispublicationandherebyexpresslydisclaimsanyliabilityorresponsibilityforlossordamageresultingfromitsuseorfortheviolationofanyauthoritieshavingjurisdictionwithwhichthispublicationmayconflict.APIpublicationsarepublishedtofacilitatethebroadavailabilityofproven,soundengineeringandoperatingpractices.Thesepublicationsarenotintendedtoobviatetheneedforapplyingsoundengineeringjudgmentregardingwhenandwherethesepublicationsshouldbeutilized.TheformulationandpublicationofAPIpublicationsisnotintendedinanywaytoinhibitanyonefromusinganyotherpractices.AnymanufacturermarkingequipmentormaterialsinconformancewiththemarkingrequirementsofanAPIstandardissolelyresponsibleforcomplyingwithalltheapplicablerequirementsofthatstandard.APIdoesnotrepresent,warrant,orguaranteethatsuchproductsdoinfactconformtotheapplicableAPIstandard.Allrightsreserved.Nopartofthisworkmaybereproduced,storedinaretrievalsystem,ortransmittedbyanymeans,electronic,mechanical,photocopying,recording,orotherwise,withoutpriorwrittenpermissionfromthepublisher.ContactthePublisher,APIPublishingServices,200MassachusettsAvenue,NW,Suite1100,Washington,DC20001.Copyright©2006AmericanPetroleumInstituteFOREWORDThisrecommendedpracticeisunderjurisdictionoftheAPISubcommitteeonOffshoreStructures.ThisRecommendedPracticefortheDesignofOffshoreStructuresagainstFireandBlastLoadingisbasedonsoundengineeringprinciplesandmanyyearsofexperiencegainedbytheowners,operators,designers,fabricators,suppliers,andclassification/certificationagenciesofoffshorefhci出ies.Innocaseisanyspecificrecommendationincludedthatcouldnotbeaccomplishedbypresentlyavailabletechniquesandequipment.Considerationisgiveninallcasestothesafetyofpersonnel,compliancewithexistingregulations,andpreventionofpollution.Thisrecommendedpracticehasbeendevelopedwiththehelpandextensivecontributionsfromindustryexpertsofdifferentareasofexpertise.Thisrecommendedpracticecoversbothfixedandfloatingstructuresthatareinusebytheindustryasoffshoreoilandgasproductionsystems.Theseincludesystemssupportedbycolumn-stabilizedunits(semisubmersiblevessels),ship-shapedvessels,TensionLegPlatforms(TLP),deepdraftcaissonvessels(alsoknownasSPARs),andotherhullshapes.Thisrecommendedpracticeprovidesanassessmentprocessfortheconsiderationoffireandblastinthedesignofoffshorestructuresandincludesguidanceandexamplesforsettingperformancecriteria.ThisdocumentcomplementsthecontentsoftheSection18ofAPIRP2A,21stEditionwithmorecomprehensiveguidanceindesignofbothfixedandfloatingoffshorestructuresagainstfireandblastloading.Guidanceontheimplementationofsafetyandenvironmentalmanagementpracticesandhazardidentification,eventdefinitionandriskassessmentcanbefoundinAPIRP7551andtheAPIRP14series52,53.Theinterfacewiththesedocumentsisidentifiedandemphasizedthroughout,asstructuralengineersneedtoworkcloselywithfacilitiesengineersexperiencedinperforminghazardanalysisasdescribedinAPIRP14J52,andwiththeoperator5ssafetymanagementsystemasdescribedinAPIRP7551.Thisrecommendedpracticeprovidesgeneralguidelinesforincorporatinghazardanalysisoutputintothestructuralresponseassessmentindeterminingwhetherthestructureoritscomponentsmeetthespecifiedperformancecriteria.Thisrecommendedpracticeincludescodeprovisionsandassociatedcommentary.Thecommentaryprovidesdesignguidelinesfortheevaluationofstructuralresponsetofireandblastloads.Nominalblastloadcasesareprovidedforcertainclassesoffacilities.Guidanceisalsoprovidedforthecalculationoffireloads.Discussionofalternativemethodsforthecalculationofblastloads,inlieuofapplicablenominalloadcases,isincludedwithreferencetosourcesofdetailedguidance.Thecommentaryalsoincludesexamplesofgoodpracticeforfireandblastdesignincludingguidelinesforfacilitieslayoutandstructuralconnectiondetailing.NothingcontainedinanyAPIpublicationistobeconstruedasgrantinganyright,byimplicationorotherwise,forthemanufacture,sale,oruseofanymethod,apparatus,orproductcoveredbyletterspatent.Neithershouldanythingcontainedinthepublicationbecon