BSEN1295242000水管锅炉和辅助设备服役期限的期望值计算

|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||BRITISHSTANDARDBSEN12952-4:2000TheEuropeanStandardEN12952-4:2000hasthestatusofaBritishStandardICS27.060.30NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAWWater-tubeboilersandauxiliaryinstallationsÐPart4:In-serviceboilerlifeexpectancycalculationsLicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,ThuAug2310:13:58GMT+00:002007,UncontrolledCopy,(c)BSIThisBritishStandard,havingbeenpreparedunderthedirectionoftheEngineeringSectorCommittee,waspublishedundertheauthorityoftheStandardsCommitteeandcomesintoeffecton15May2000©BSI05-2000ISBN0580348725BSEN12952-4:2000AmendmentsissuedsincepublicationAmd.No.DateCommentsNationalforewordThisBritishStandardistheofficialEnglishlanguageversionofEN12952-4:2000.ItpartiallysupersedesBS1113:1999whichwillbewithdrawnwhenalltheotherpartsofEN12952arepublished.TheUKparticipationinitspreparationwasentrustedtoTechnicalCommitteePVE/2,Water-tubeboilers,whichhastheresponsibilityto:Ðaidenquirerstounderstandthetext;ÐpresenttotheresponsibleEuropeancommitteeanyenquiriesontheinterpretation,orproposalsforchange,andkeeptheUKinterestsinformed;ÐmonitorrelatedinternationalandEuropeandevelopmentsandpromulgatethemintheUK.Alistoforganizationsrepresentedonthiscommitteecanbeobtainedonrequesttoitssecretary.Cross-referencesTheBritishStandardswhichimplementinternationalorEuropeanpublicationsreferredtointhisdocumentmaybefoundintheBSIStandardsCatalogueunderthesectionentitledªInternationalStandardsCorrespondenceIndexº,orbyusingtheªFindºfacilityoftheBSIStandardsElectronicCatalogue.ABritishStandarddoesnotpurporttoincludeallthenecessaryprovisionsofacontract.UsersofBritishStandardsareresponsiblefortheircorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,theENtitlepage,pages2to18,aninsidebackcoverandabackcover.TheBSIcopyrightnoticedisplayedinthisdocumentindicateswhenthedocumentwaslastissued.LicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,ThuAug2310:13:58GMT+00:002007,UncontrolledCopy,(c)BSI(8523($167$1'$5'1250((8523e(11((8523b,6&+(1250(1)HEUXDU\,&6(QJOLVKYHUVLRQ:DWHUWXEHERLOHUVDQGDX[LOLDU\LQVWDOODWLRQV±3DUW,QVHUYLFHERLOHUOLIHH[SHFWDQF\FDOFXODWLRQV&KDXGLqUHVjWXEHVG¶HDXHWLQVWDOODWLRQVDX[LOLDLUHV±3DUWLH&DOFXOVGHODGXUpHGHYLHSUpYLVLEOHGHVFKDXGLqUHVHQVHUYLFH:DVVHUURKUNHVVHOXQG$QODJHQNRPSRQHQWHQ±7HLO%HWULHEVEHJOHLWHQGH%HUHFKQXQJGHU/HEHQVGDXHUHUZDUWXQJ7KLV(XURSHDQ6WDQGDUGZDVDSSURYHGE\&(1RQ'HFHPEHU&(1PHPEHUVDUHERXQGWRFRPSO\ZLWKWKH&(1&(1(/(&,QWHUQDO5HJXODWLRQVZKLFKVWLSXODWHWKHFRQGLWLRQVIRUJLYLQJWKLV(XURSHDQ6WDQGDUGWKHVWDWXVRIDQDWLRQDOVWDQGDUGZLWKRXWDQ\DOWHUDWLRQ8SWRGDWHOLVWVDQGELEOLRJUDSKLFDOUHIHUHQFHVFRQFHUQLQJVXFKQDWLRQDOVWDQGDUGVPD\EHREWDLQHGRQDSSOLFDWLRQWRWKH&HQWUDO6HFUHWDULDWRUWRDQ\&(1PHPEHU7KLV(XURSHDQ6WDQGDUGH[LVWVLQWKUHHRIILFLDOYHUVLRQV(QJOLVK)UHQFK*HUPDQ$YHUVLRQLQDQ\RWKHUODQJXDJHPDGHE\WUDQVODWLRQXQGHUWKHUHVSRQVLELOLW\RID&(1PHPEHULQWRLWVRZQODQJXDJHDQGQRWLILHGWRWKH&HQWUDO6HFUHWDULDWKDVWKHVDPHVWDWXVDVWKHRIILFLDOYHUVLRQV&(1PHPEHUVDUHWKHQDWLRQDOVWDQGDUGVERGLHVRI$XVWULD%HOJLXP&]HFK5HSXEOLF'HQPDUN)LQODQG)UDQFH*HUPDQ\*UHHFH,FHODQG,UHODQG,WDO\/X[HPERXUJ1HWKHUODQGV1RUZD\3RUWXJDO6SDLQ6ZHGHQ6ZLW]HUODQGDQG8QLWHG.LQJGRP(8523($1&200,77(()2567$1'$5',=$7,21&20,7e(8523e(1'(1250$/,6$7,21(8523b,6&+(6.20,7(()h5125081*&HQWUDO6HFUHWDULDWUXHGH6WDVVDUW%%UXVVHOV‹&(1$OOULJKWVRIH[SORLWDWLRQLQDQ\IRUPDQGE\DQ\PHDQVUHVHUYHGZRUOGZLGHIRU&(1QDWLRQDO0HPEHUV5HI1R(1(LicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,ThuAug2310:13:58GMT+00:002007,UncontrolledCopy,(c)BSIPage2(1‹%6,&RQWHQWV3DJH)RUHZRUG6FRSH1RUPDWLYHUHIHUHQFHV'HILQLWLRQV6\PEROVDQGDEEUHYLDWLRQV*HQHUDO&DOFXODWLRQV