ASME_B31Q-2021.pdf

Pipeline Personnel QualificationASME Code for Pressure Piping,B31AN INTE R NAT IO NAL PIPING CO D EASME B31Q-2021(Revision of ASME B31Q-2018)ASME B31Q-2021(Revision of ASME B31Q-2018)PipelinePersonnelQualificationASME Code for Pressure Piping,B31AN INTERNATIONAL PIPING CODETwo Park Avenue New York,NY 10016 USAxDate of Issuance:April 16,2021The next edition of this Standard is scheduled for publication in 2023.This Standard will become effective 6 months after theDate of Issuance.ASME issues written replies to inquiries concerning interpretations of technical aspects of this Standard.Interpretations arepublishedontheCommitteewebpageandunderhttp:/go.asme.org/Interpretations.PeriodicallycertainactionsoftheASMEB31 Committee may be published as Cases.Cases are published on the ASME website under the B31 Committee Page athttp:/go.asme.org/B31committee as they are issued.Errata to codes and standards may be posted on the ASME website under the Committee Pages of the associated codes andstandardstoprovidecorrectionstoincorrectlypublisheditems,ortocorrecttypographicalorgrammaticalerrorsincodesandstandards.Such errata shall be used on the date posted.The B31 Committee Page can be found at http:/go.asme.org/B31committee.The associated B31 Committee Pages for eachcode and standard can be accessed from this main page.There is an option available to automatically receive an e-mailnotification when errata are posted to a particular code or standard.This option can be found on the appropriate CommitteePage after selecting“Errata”in the“Publication Information”section.ASME is the registered trademark of The American Society of Mechanical Engineers.This international code or standard was developed under procedures accredited as meeting the criteria for American National StandardsanditisanAmericanNationalStandard.TheStandardsCommitteethatapprovedthecodeorstandardwasbalancedtoassurethatindividualsfromcompetentandconcernedinterestshavehadanopportunitytoparticipate.Theproposedcodeorstandardwasmadeavailableforpublicreviewandcommentthatprovidesanopportunityforadditionalpublicinputfromindustry,academia,regulatoryagencies,andthepublic-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 any items mentioned in thisdocument,anddoesnotundertaketoinsureanyoneutilizingastandardagainstliabilityforinfringementofanyapplicableletterspatent,norassumeanysuchliability.Usersofacodeorstandardareexpresslyadvisedthatdeterminationofthevalidityofsuchpatentrights,andtheriskof infringement of such rights,is entirely their own responsibility.Participation by federal agency representatives(s)or person(s)affiliated with industry is not to be interpreted as government or industryendorsement of this code or standard.ASME accepts responsibility for only those interpretations of this document issued in accordance with the established ASME proceduresand 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 EngineersTwo Park Avenue,New York,NY 10016-5990Copyright 2021 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.CONTENTSForeword.vCommittee Roster.viiCorrespondence With the B31 Committee.ixSummary of Changes.xi1Introduction.12Definitions.13References.24Qualification Program.35Determining Covered Tasks.46Abnormal Operating Conditions(AOCs).87Training.88Evaluation.99Qualifications.1110Portability.1511Program Effectiveness.1612Communicating the Qualification Program and Managing Program Changes.1713Documentation Requirements.1814Bibliography.19Nonmandatory AppendicesAIntegrated Task List.21BCovered Tasks and Status History by Categories.88CTask List Development Process.93DExample of Evaluation Criteria.94EAbnormal Operating Conditions(AOCs).95FEvaluation Method Selection.96GDIF Analysis for Subsequent Qualification Intervals.98HImplementation of ASME B31Q.104IProgram Implementation and Effectiveness Appraisals.122Figures5.4-1Fault Tree for External Corrosion.6G-5.1-1DIF Analysis Decision Tree.102H-3-1Creation of a Compatible Task List in Accordance With ASME B31Q.117H-3-2Implementation of a Compatible Task List in Accordance With ASME B31Q.118TablesB-1Covered Tasks and Status History by Categories.88iiiC-1Task List Development Process.93D-1Task 0001,Measure Structure-to-Electrolyte Potential.94F-3-1Knowledge,Skills,and Abilities(KSAs).97F-4-1Appropriate Evaluation Methods.97G-3.2-1Sample Size Needed to Respond to DIF Survey.99G-3.2-2Example:Population Size and Corresponding Sample Size for Responding to DIF Survey for ABCEnergy Co.99G-4-1Summary of Difficulty Rating Scale.101G-4-2Summary of Importance Rating Scale.101H-2-1OQ Program Comparison to ASME B31Q Standard.1