API RP 2SIM 1ST ED (R 2025) Structural Integrity Management of Fixed Offshore Structures; First Edition; Reaffirmed, June 2025.docx

StructuralIntegrityManagementofFixedOffshoreStructuresAPIRECOMMENDEDPRACTICE2SIMFIRSTEDITION,NOVEMBER2014REAFFIRMED,JUNE2025PetroleumInstituteSpecialNotesAPIpublicationsnecessarilyaddressproblemsofageneralnature.Withrespecttoparticularcircumstances,local,state,andfederallawsandregulationsshouldbereviewed.NeitherAPInoranyofAPsemployees,subcontractors,consultants,committees,orotherassigneesmakeanywarrantyorrepresentation,eitherexpressorimplied,withrespecttotheaccuracy,completeness,orusefulnessoftheinformationcontainedherein,orassumeanyliabilityorresponsibilityforanyuse,ortheresultsofsuchuse,ofanyinformationorprocessdisclosedinthispublication.NeitherAPInoranyofAPI'semployees,subcontractors,consultants,orotherassigneesrepresentthatuseofthispublicationwouldnotinfringeuponprivatelyownedrights.APIpublicationsmaybeusedbyanyonedesiringtodoso.EveryefforthasbeenmadebytheInstitutetoassuretheaccuracyandreliabilityofthedatacontainedinthem;however,theInstitutemakesnorepresentation,warranty,orguaranteeinconnectionwiththispublicationandherebyexpresslydisclaimsanyliabilityorresponsibilityforlossordamageresultingfromitsuseorfortheviolationofanyauthoritieshavingjurisdictionwithwhichthispublicationmayconflict.APIpublicationsarepublishedtofacilitatethebroadavailabilityofproven,soundengineeringandoperatingpractices.Thesepublicationsarenotintendedtoobviatetheneedforapplyingsoundengineeringjudgmentregardingwhenandwherethesepublicationsshouldbeutilized.TheformulationandpublicationofAPIpublicationsisnotintendedinanywaytoinhibitanyonefromusinganyotherpractices.AnymanufacturermarkingequipmentormaterialsinconformancewiththemarkingrequirementsofanAPIstandardissolelyresponsibleforcomplyingwithalltheapplicablerequirementsofthatstandard.APIdoesnotrepresent,warrant,orguaranteethatsuchproductsdoinfactconformtotheapplicableAPIstandard.Allrightsreserved.Nopartofthisworkmaybereproduced,translated,storedinaretrievalsystem,ortransmittedbyanymeans,electronic,mechanical,photocopying,recording,orotherwise,withoutpriorwrittenpermissionfromthepublisher.ContactthePublisher,APIPublishingServices,200MassachusettsAvenue,NW,Suite1100,Washington,DC20001.Copyright©2014AmericanPetroleumInstituteForewordNothingcontainedinanyAPIpublicationistobeconstruedasgrantinganyright,byimplicationorotherwise,forthemanufacture,sale,oruseofanymethod,apparatus,orproductcoveredbyletterspatent.Neithershouldanythingcontainedinthepublicationbeconstruedasinsuringanyoneagainstliabilityforinfringementofletterspatent.Theverbalformsusedtoexpresstheprovisionsinthisspecificationareasfollows:一thetermt4shal,denotesaminimumrequirementinordertoconformtothespecification,一theterm“should"denotesarecommendationorthatwhichisadvisedbutnotrequiredinordertoconformtothespecification,一theterm"may'susedtoexpresspermissionoraprovisionthatisoptional,theterm“can”isusedtoexpresspossibilityorcapability.ThisdocumentwasproducedunderAPIstandardizationproceduresthatensureappropriatenotificationandparticipationinthedevelopmentalprocessandisdesignatedasanAPIstandard.QuestionsconcerningtheinterpretationofthecontentofthispublicationorcommentsandquestionsconcerningtheproceduresunderwhichthispublicationwasdevelopedshouldbedirectedinwritingtotheDirectorofStandards,AmericanPetroleumInstitute,200MassachusettsAvenue5NW3Suite1100,Washington5DC20001.Requestsforpermissiontoreproduceortranslatealloranypartofthematerialpublishedhereinshouldalsobeaddressedtothedirector.Generally,APIstandardsarereviewedandrevised,reaffirmed,orwithdrawnatleasteveryfiveyears.Aone-timeextensionofuptotwoyearsmaybeaddedtothisreviewcycle.StatusofthepublicationcanbeascertainedfromtheAPIStandardsDepartment5telephone(202)682-8000.AcatalogofAPIpublicationsandmaterialsispublishedannuallybyAPI,200MassachusettsAvenue,NW3Suite1100,Washington,DC20001.SuggestedrevisionsareinvitedandshouldbesubmittedtotheStandardsDepartment,API,200MassachusettsAvenue,NW3Suite1100,Washington,DC20001,standardsapi.org.Page1 Scope12 NormativeReferences13 Terms5Definitions,Acronyms,andAbbreviations13.1 TermsandDefinitions13.2 AcronymsandAbbreviations54 StructuralIntegrityManagementOverview64.1 General64.2 Competency74.3 Risk74.4 Limitations75 StructuralIntegrityManagementProcess85.1 General85.2 Data85.3 Evaluation105.4 Strategy165.5 Program175.6 Decommissioning176 Surveys186.1 InspectionStrategy186.2 PersonnelQualifications186.3 LevelISurveysRoutineAbove-waterInspection186.4 BaselineUnderwaterInspection206.5 LevelII,III,andIVSurveysRoutineUnderwaterInspection216.6 SpecialInspections246.7 SurveyWorkScope266.8 InspectionSpecification266.9 DataRecords277 DamageEvaluation277.1 General277.2 DegradationMechanisms277.3 ComponentEvaluation297.4 SystemEvaluation308 StructuralAssessmentProcess308.1 General308.2 AssessmentCategory318.3 AssessmentInitiators318.4 AssessmentInformation338.5 AssessmentMethod348.6 PerformanceCr