31-1_Addn-a_2005.pdf

ASME B31.1a-2005Addenda to ASME B31.1-2004Power PipingASME Code for Pressure Piping,B31AN AMERICAN NATIONAL STANDARDThree Park Avenue New York,NY 10016A5804ACopyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.Date of Issuance:April 28,2006Mandatory Date:October 28,2006This Addenda was approved by the American National Standards Instituteand designated ASME B31.1a-2005 on July 8,2005ASME 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 madeavailableforpublicreviewandcommentthatprovidesanopportunityforadditionalpublicinputfromindustry,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 2006 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.Copyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.SUMMARY OF CHANGESAddenda to ASME B31.1-2004 are issued in the form of replacement pages.Revisions,additions,or deletions are incorporated directly into the affected pages.It is advisable,however,that allreplaced pages be retained for reference.Replace or insert the pages listed.Changes given below are identified on the pages by a marginnote,(A05),placed next to the affected area.Revisions to ASME B31.1-2004 are indicated by(04).For the listing below,the Page references the affected area.A margin note,(A05),placed next tothe heading indicates Location.Revisions are listed under Change.PageLocationChangevii,viiiCommittee RosterUpdated1,2100.1.2Subparagraphs redesignated as(A)(1)(3)and(B)48100.2braze welding,brazing,examination,inspection,and soldering revised1112.1102.3.2(C)Revised102.3.2(D)Revised16104.1.2(A.5)Revised17Table 104.1.2(A)General Note(a)revised19,19.1104.3.1(E)Revised20Fig.104.3.1(D)Top equation revised26,27104.7.2(D)Revised104.8.1(1)Equation(11B)revised(2)Nomenclature for Shadded104.8.2(1)Equation(12B)revised(2)Nomenclature for MBrevised104.8.3(1)Former eq.(13B)revised to beidentical with former eq.(13A);equations united as eq.(13)(2)Nomenclature for f(Sh SL)added3032.1107.1(F)Added107.4Revised114.2.1Revised in its entirety41119.10.1(1)Nomenclature for Ecand Ehrevised(2)Nomenclature for Shadded42121.2(1)Subparagraph(H)revised(2)Subparagraph(I)redesignated as(J)(3)New subparagraph(I)added4550.1121.8.2(B)Second paragraph deleted(c)Copyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.PageLocationChange122.1.4(A)Subparagraphs(A.1),(A.3),and(A.4)revised122.1.4(B)Subparagraphs(B.1),(B.3),and(B.4)revised122.1.5(1)Subparagraphs(C)and(D)redesignated as(D)and(E)(2)New subparagraph(C)added(3)Subparagraphs(D)and(E)revised122.1.7First paragraph revised122.1.7(A.1.B)Revised122.1.7(A.4)Revised122.1.7(C)Subparagraphs(C.4),(C.5),(C.6),and(C.12)revised5559122.7.3(A)Revised in its entirety122.8.1(B.1)Revised in its entirety122.8.2(C)Revised in its entirety122.8.3(B)Revised60,61123.1.1(E)Added124.2(A)Revised6469Table 126.1(1)ASTM A 336/A 336M,A 928,A 815,A 992,B 444,B 704,B 705,B 443,andB 446 added(2)MSS SP-68 added(3)American National Standards B1.20.3,B16.18,and B18.22M relocated to li