1、Managing System Integrity of Gas PipelinesASME Code for Pressure Piping,B31 Supplement to ASME B31.8AN INTE R NAT IO NAL PIPING CO D EASME B31.8S-2020(Revision of ASME B31.8S-2018)ASME B31.8S-2020(Revision of ASME B31.8S-2018)ManagingSystem Integrityof Gas PipelinesxASME Code for Pressure Piping,B31
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12、o Park Avenue,New York,NY 10016-5990Copyright 2021 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.CONTENTSForeword.vCommittee Roster.viCorrespondence With the B31 Committee.ixSummary of Changes.xi1Introduction.12Integrity Management Program Overview.23Consequences.
13、74Gathering,Reviewing,and Integrating Data.95Risk Assessment.126Integrity Assessment.177Responses to Integrity Assessments and Mitigation(Repair and Prevention).218Integrity Management Plan.289Performance Plan.2910Communications Plan.3411Management of Change Plan.3412Quality Control Plan.3513Terms,D
14、efinitions,and Acronyms.3614References and Standards.42Nonmandatory AppendicesAThreat Process Charts and Prescriptive Integrity Management Plans.45BDirect Assessment Process.63CPreparation of Technical Inquiries.64Figures2.1-1Integrity Management Program Elements.32.1-2Integrity Management Plan Proc
15、ess Flow Diagram.43.2.4-1Potential Impact Area.97.2.1-1Timing for Scheduled Responses:Time-Dependent Threats,Prescriptive Integrity ManagementPlan.2613-1Hierarchy of Terminology for Integrity Assessment.36A-2.1-1Integrity Management Plan,External Corrosion Threat(Simplified Process:Prescriptive).46A
16、-3.1-1Integrity Management Plan,Internal Corrosion Threat(Simplified Process:Prescriptive).48A-5.1-1Integrity Management Plan,Manufacturing Threat(Pipe Seam and Pipe;Simplified Process:Prescriptive).52A-6.1-1IntegrityManagementPlan,ConstructionThreat(PipeGirthWeld,FabricationWeld,WrinkleBendor Buckle,Stripped Threads/Broken Pipe/Coupling;Simplified Process:Prescriptive).54A-7.1-1Integrity Management Plan,Equipment Threat(Gasket and O-Ring,Control/Relief,Seal/PumpPacking;Simplified Process:Prescr