ASME B31.8S - 2010 Managing System Integrity of Gas Pipelines[1]

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Managing System Integr¡ty of Gas Pipetines ASME Code for Pressure Piping, B31 Supplement to ASME 831.8

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Date of lssuance: June 1, 2010

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The next edilion of thìs Code is scheduled for publìcation in 2012. There will be no addenda written interpretations of the requirements of this Code issued to this edition.

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z ASI¡E ]s the registered lrademark of The American Society of i\4echanical Engineefs.

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ThiS code or standard was developed under procedures accredited as meeting the criteria for American National Stãndards. lhe Siandards Committee that approved the code or standard was balanced to assure that individuals from competent and concemed interests have had an opportunity to parLicipate. The proposed code or 5tandard was made available for public review and comment th¿t provides an opportunity for additio¡al publìc input from índustry, academia, regulatory ¿gencies, and the public-¿t-l¿rge. ASI\4E does not "approve," "rate," or "endorse" any item, construction, proprielary device, or actlvity. ASI\4E does not take any position wilh respect to the validity of any patenl rights asserted ¡n conneclion wilh ¿ny iterns meniioned ln this document, and does not undertake to insure anyone utilizing a standard agaìnst liability lor infringement of any applicable letters p¿lent, nor ¿rssume ãny such liability. Users of a code or standard are expressly advìsed that determination of the validity of any such patent rights, ¿nd the risk o[ infÍingement of such rights, is entirely their own responsibility. Participatioñ by feder¿l agency reprcsentative(s) or persoñ(s) affiliated wilh industry ìs noi lo be interpreted as government or lndustry endorsement of thi5 code or standard, AS[48 accepts respo¡sibilÌiy for only those interpretations of this document issued in accordance wiih the establìshed ASME procedures and policies, which precìudes the issuance of interprelations by individuals.

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No part ol this document may be reproduced in any form, in an electronic retdev¿l system or otherwise, without the prìor writlen permission of the publisher.

A1"eri.rn Sociely ol [,lech¿nkal Fngineers lhree Park Avenue, New York, NY 10016-5990 The

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Copyríghl @ 2010 by THE AIIIERICAN 50CIEry OF ]\¡ÊCHANICAL ENGINEERS Al1

rights reserved

Prinled in iJ.S.A.

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Copyright O 20I 0 by the Anìericån Society of Mechanical Engincers be rnade ofthis rÌateÌial without writte¡ conselt of ASME.

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CONTENTS z õ

Forcworcl ......... Commìttee Rostor

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Summ.rry of Clranges

vi ix

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lntroduction

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2

lntegr¡ty Management Program Overv¡ew.

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Consequences

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Gather¡ng, Rev¡ew¡ng, and lntegrat¡ng Data ., . . . ., ., ., . ..

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R¡sk Assessment.

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lntegr¡ty Assessment.

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Responses to lntegrity Assessments and M¡tigat¡on (Repa¡r and Prevent¡on). . . . . . . . . .

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lntegrity Management Plan.

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Performance Plan

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Management of Change Plan

72

Quatity Control Ptan.....

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Terms, Def¡n¡tions, and Acfonyms

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References and Standards

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tigures

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tntegrity ManâBement Program Elements Integrity Mânâgement PIan P¡ocess Flow Diagrâm

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l'otenliJl lmpact Area fimirìg for Scheduled

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Responses: Time-Dependent Threats, Prescriptive

In(c8riLy \4dna8emenl. PIiìn .... Hierarchy of 'l'erminoìogy for lnte8rity Assessment

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24 35

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Tables

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Dâta Elements for Prescriptive Pipeline Integrity Program .......... Typicâl Datâ Sources for PipeÌine lnlegrity ProBram Integrity Assessment Intervalsr Time-Dependent Threats, Internal ând ExteÌnal Corrosion, Prescriptive Integrity Mânâgement PIan Acceptable ThreaL Prevention ând Repair Methods .... Example of lntegrity Mânâgement Plân for Hypotlìeticâl Pipeline Segment (Segment l)ata: Line 1, Se8ment 3) !ìxampìe of lntegrity Maûa8ement Plân for Hypothetical Pipeline Segment (lntegrity Assessment PIan: Line 1, Se8ment 3) Exâmple of Inlegrity Management Plan for Hypothetical Pipeline Segment .

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(Mìtìgâtiorì PIan: Line 1, Segment 3) Performance Measu¡es

10 10 1.4

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28 29

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Overall Performance Measures

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Perfo¡m¡nce Metrics

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Coplright O l0l0 by llìe Socrery ol Mechanicll ^merrcân No repro