ASME_B31-8S-2010.pdf

AN AMERICAN NATIO NAL STANDARDASME B31.8S-2010(Revision of ASME B31.8S-2004)Managing System Integrity of Gas PipelinesASME Code for Pressure Piping,B31Supplement to ASME B31.8Copyright ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-/:#:$#:$:*:INTENTIONALLY LEFT BLANKCopyright ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-/:#:$#:$:*:ASME B31.8S-2010(Revision of ASME B31.8S-2004)ManagingSystem Integrityof Gas PipelinesASME Code for Pressure Piping,B31Supplement to ASME B31.8AN AMERICAN NATIONAL STANDARDCopyright ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-/:#:$#:$:*:Date of Issuance:June 1,2010The next edition of this Code is scheduled for publication in 2012.There will be no addenda orwritten interpretations of the requirements of this Code issued to this edition.ASME is the registered trademark of The American Society of Mechanical Engineers.This code or standard was developed under procedures accredited as meeting the criteria for American NationalStandards.The Standards Committee that approved the code or standard was balanced to assure that individuals fromcompetent and concerned interests have had an opportunity to participate.The proposed code or standard was madeavailable forpublic review andcomment thatprovides an opportunityfor additional publicinput from industry,academia,regulatory agencies,and the public-at-large.ASME does not“approve,”“rate,”or“endorse”any item,construction,proprietary device,or activity.ASME does not take any position with respect to the validity of any patent rights asserted in connection with anyitems mentioned in this document,and does not undertake to insure anyone utilizing a standard against liability forinfringement of any applicable letters patent,nor assume any such liability.Users of a code or standard are expresslyadvised that determination of the validity of any such patent rights,and the risk of infringement of such rights,isentirely their own responsibility.Participation by federal agency representative(s)or person(s)affiliated with industry is not to be interpreted asgovernment or industry endorsement of this code or standard.ASME accepts responsibility for only those interpretations of this document issued in accordance with the establishedASME procedures and policies,which precludes the issuance of interpretations by individuals.No part of this document may be reproduced in any form,in an electronic retrieval system or otherwise,without the prior written permission of the publisher.The American Society of Mechanical EngineersThree Park Avenue,New York,NY 10016-5990Copyright 2010 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.Copyright ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-/:#:$#:$:*:CONTENTSForeword.vCommittee Roster.viSummary of Changes.ix1Introduction.12Integrity Management Program Overview.23Consequences.74Gathering,Reviewing,and Integrating Data.85Risk Assessment.116Integrity Assessment.167Responses to Integrity Assessments and Mitigation(Repair and Prevention).208Integrity Management Plan.269Performance Plan.2710Communications Plan.3211Management of Change Plan.3312Quality Control Plan.3413Terms,Definitions,and Acronyms.3414References and Standards.40Figures1Integrity Management Program Elements.32Integrity Management Plan Process Flow Diagram.43Potential Impact Area.94Timing for Scheduled Responses:Time-Dependent Threats,PrescriptiveIntegrity Management Plan.245Hierarchy of Terminology for Integrity Assessment.35Tables1Data Elements for Prescriptive Pipeline Integrity Program.102Typical Data Sources for Pipeline Integrity Program.103Integrity Assessment Intervals:Time-Dependent Threats,Internal and ExternalCorrosion,Prescriptive Integrity Management Plan.144Acceptable Threat Prevention and Repair Methods.225Example of Integrity Management Plan for Hypothetical Pipeline Segment(Segment Data:Line 1,Segment 3).286Example of Integrity Management Plan for Hypothetical Pipeline Segment(Integrity Assessment Plan:Line 1,Segment 3).287Example of Integrity Management Plan for Hypothetical Pipeline Segment(Mitigation Plan:Line 1,Segment 3).298Performance Measures.309Performance Metrics.3010Overall Performance Measures.31iiiCopyright ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-/:#:$#:$:*:Nonmandatory AppendicesAThreat Process Charts and Prescriptive Integrity Management Plans.43BDirect Assessment Process.63CPreparation of Technical Inquiries.66ivCopyright ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or netwo