API RP 2MIM 1ST ED (R 2025) Mooring Integrity Management; First Edition; Reaffirmed, June 2025.docx

MooringIntegrityManagementAPIRECOMMENDEDPRACTICE2MIMFIRSTEDITION,SEPTEMBER2019REAFFIRMED,JUNE2025SpecialNotesAPIpublicationsnecessarilyaddressproblemsofageneralnature.Withrespecttoparticularcircumstances,local,state,andfederallawsandregulationsshouldbereviewed.NeitherAPInoranyofAPsemployees,subcontractors,consultants,committees,orotherassigneesmakeanywarrantyorrepresentation,eitherexpressorimplied,withrespecttotheaccuracy,completeness,orusefulnessoftheinformationcontainedherein,orassumeanyliabilityorresponsibilityforanyuse,ortheresultsofsuchuse,ofanyinformationorprocessdisclosedinthispublication.NeitherAPInoranyofAPsemployees,subcontractors,consultants,orotherassigneesrepresentthatuseofthispublicationwouldnotinfringeuponprivatelyownedrights.APIpublicationsmaybeusedbyanyonedesiringtodoso.EveryefforthasbeenmadebytheInstitutetoensuretheaccuracyandreliabilityofthedatacontainedinthem;however,theInstitutemakesnorepresentation,warranty,orguaranteeinconnectionwiththispublicationandherebyexpresslydisclaimsanyliabilityorresponsibilityforlossordamageresultingfromitsuseorfortheviolationofanyauthoritieshavingjurisdictionwithwhichthispublicationmayconflict.APIpublicationsarepublishedtofacilitatethebroadavailabilityofproven,soundengineeringandoperatingpractices.Thesepublicationsarenotintendedtoobviatetheneedforapplyingsoundengineeringjudgmentregardingwhenandwherethesepublicationsshouldbeutilized.TheformulationandpublicationofAPIpublicationsisnotintendedinanywaytoinhibitanyonefromusinganyotherpractices.Usersofthisrecommendedpracticeshouldnotrelyexclusivelyontheinformationcontainedinthisdocument.Soundbusiness,scientific,engineering,andsafetyjudgmentshouldbeusedinemployingtheinformationcontainedherein.Allrightsreserved.Nopartofthisworkmaybereproduced,translated,storedinaretrievalsystem,ortransmittedbyanymeans,electronic,mechanical,photocopying,recording,orotherwise,withoutpriorwrittenpermissionfromthepublisher.ContactthePubIisher5APIPublishingServices,200MassachusettsAvenue,NW,Washington,DC20001.Copyright©2019AmericanPetroleumInstituteForewordNothingcontainedinanyAPIpublicationistobeconstruedasgrantinganyright,byimplicationorotherwise,forthemanufacture,sale,oruseofanymethod,apparatus,orproductcoveredbyletterspatent.Neithershouldanythingcontainedinthepublicationbeconstruedasinsuringanyoneagainstliabilityforinfringementofletterspatent.Theverbalformsusedtoexpresstheprovisionsinthisdocumentareasfollows.Shall:Asusedinastandard,ushal,denotesaminimumrequirementinordertoconformtothestandard.Should:Asusedinastandard,t,should,'denotesarecommendationorthatwhichisadvisedbutnotrequiredinordertoconformtothestandard.May:Asusedinastandard,umaydenotesacourseofactionpermissiblewithinthelimitsofastandard.Can:Asusedinastandard,"can"denotesastatementofpossibilityorcapability.ThisdocumentwasproducedunderAPIstandardizationproceduresthatensureappropriatenotificationandparticipationinthedevelopmentalprocessandisdesignatedasanAPIstandard.QuestionsconcerningtheinterpretationofthecontentofthispublicationorcommentsandquestionsconcerningtheproceduresunderwhichthispublicationwasdevelopedshouldbedirectedinwritingtotheDirectorofStandards3AmericanPetroleumInstitute,200MassachusettsAvenue,NW3Washington,DC20001.Requestsforpermissiontoreproduceortranslatealloranypartofthematerialpublishedhereinshouldalsobeaddressedtothedirector.Generally,APIstandardsarereviewedandrevised,reaffirmed,orwithdrawnatleasteveryfiveyears.Aone-timeextensionofuptotwoyearsmaybeaddedtothisreviewcycle.StatusofthepublicationcanbeascertainedfromtheAPIStandardsDepartment,telephone(202)682-8000.AcatalogofAPIpublicationsandmaterialsispublishedannuallybyAPI,200MassachusettsAvenue3NW3Washington,DC20001.SuggestedrevisionsareinvitedandshouldbesubmittedtotheStandardsDepartment,API5200MassachusettsAvenue3NW3Washington,DC20001,standardsapi.org.Contents1 Scope12 NormativeReferences13 Terms,Definitions,andAbbreviations13.1 TermsandDefinitions13.2 Abbreviations54 MooringIntegrityManagementProcess64.1 General64.2 MooringIntegrityManagementOverview64.3 Data84.4 Evaluation94.5 Strategy134.6 Process155 InspectionandMonitoring175.1 General175.2 Inspections175.3 Monitoring206 AssessmentProcess216.1 General216.2 SimplifiedAssessment216.3 DesignAssessment237 AssessmentMethods247.1 General247.2 AssessmentInitiators257.3 AssessmentInformation257.4 ImplementationFeasibility277.5 RiskAssessment277.6 PerformanceCriteria278 RiskReduction28Annex A (informative)CommentaryAdditionalInformationandGuidance29Annex B (informative)MooringIntegrityManagementSystemObjectives35Annex C (informative)CausesofFailure37Annex D (informative)IncidentResponsePlanning47Annex E (informative)InspectionMethodsandObjectives55Bibliography72FiguresPhysicalInterfacesbetweenAPIIMStandardsvii1 IMProcessMap72 StepsintheIMProcess83 RiskCategorizationMatrixExample114 MooringDamageAs