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BRITISHSTANDARDBSEN12952-1:2001Water-tubeboilersandauxiliaryinstallations—Part1:GeneralTheEuropeanStandardEN12952-1:2001hasthestatusofaBritishStandardICS27.040NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAWLicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,ThuAug2310:12:55GMT+00:002007,UncontrolledCopy,(c)BSIBSEN12952-1:2001ThisBritishStandard,havingbeenpreparedunderthedirectionoftheEngineeringSectorPolicyandStrategyCommittee,waspublishedundertheauthorityoftheStandardsPolicyandStrategyCommitteeon29April2002©BSI29April2002ISBN0580396355NationalforewordThisBritishStandardistheofficialEnglishlanguageversionofEN12952-1:2001.ItpartiallysupersedesBS1113:1999whichwillbewithdrawnwhenParts1,2,3,5,6,7,10and11ofBSEN12952areallpublished.TheUKparticipationinitspreparationwasentrustedtoTechnicalCommitteePVE/2,Water-tubeboilers,whichhastheresponsibilityto:Alistoforganizationsrepresentedonthiscommitteecanbeobtainedonrequesttoitssecretary.AdditionalinformationTheUnitedKingdomvotedagainsttheacceptanceofthisEuropeanStandardattheFormalVotestage.TheprincipalUKobjectionswereasfollows:a)ThereisnoreferenceintheENforewordtoCR12952-17,Water-tubeboilersandauxiliaryinstallations—Part17:Guidelinesfortheinvolvementofaninspectionbodyindependentofthemanufacturer.ItwasintendedthatAnnexAofthispartofEN12952betransferredtoPart17otherwisePart1wouldberejectedbytheEuropeanCommissionandwouldnotbeharmonizedandpublishedintheOfficialJournaloftheEuropeanCommunities.b)CEN/TC269passedaresolutionthatParts1,2,3,5,6and7bepublishedasapackagenecessaryforthedesign,constructionandsafetyofwater-tubeboilersbutnomentionofthisisgivenintheENforeword.c)CEN/TC269agreedtoremovereferencetocoilboilersfromEN12953andincludethemin1.1ofthescopeofthisstandardbutnoreferencehasbeenmadetocoilboilers.d)1.2ofthescopeisentitled“Boilerassembly”howeveritalsoincludesotherplantandauxiliaryinstallations.e)1.3ofthescopelistsitemsthatarenotcoveredbyanyofthepartsofEN12952butthereisnomentionofthisinthesubclause.f)Theterm“chemicalrecoveryboilers(blackliquorboilers)”isreferredtoinseveralpartsofEN12952.ItwouldhavebeenpreferabletoincludethedefinitionoftheterminthisgeneralPart1,howeveritisonlydefinedinEN12952-5:2001,E.2.Itisdefinedasapulpingchemicalrecoveryprocessunitwheretheorganicmaterialsareburnedwhiletherecoveredchemicalsarereducedanddrainedasmoltensmeltfromthefurnacebottomandtheheatreleasedisusedforsteamgeneration.Cross-referencesTheBritishStandardswhichimplementinternationalorEuropeanpublicationsreferredtointhisdocumentmaybefoundintheBSIStandardsCatalogueunderthesectionentitled“InternationalStandardsCorrespondenceIndex”,orbyusingthe“Find”facilityoftheBSIStandardsElectronicCatalogue.ABritishStandarddoesnotpurporttoincludeallthenecessaryprovisionsofacontract.UsersofBritishStandardsareresponsiblefortheircorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.—aidenquirerstounderstandthetext;—presenttotheresponsibleEuropeancommitteeanyenquiriesontheinterpretation,orproposalsforchange,andkeeptheUKinterestsinformed;—monitorrelatedinternationalandEuropeandevelopmentsandpromulgatethemintheUK.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,theENtitlepage,pages2to17andabackcover.TheBSIcopyrightdatedisplayedinthisdocumentindicateswhenthedocumentwaslastissued.AmendmentsissuedsincepublicationAmd.No.DateCommentsLicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,ThuAug2310:12:55GMT+00:002007,UncontrolledCopy,(c)BSIEUROPEANSTANDARDNORMEEUROPÉENNEEUROPÄISCHENORMEN12952-1December2001ICS27.040EnglishversionWater-tubeboilersandauxiliaryinstallations-Part1:GeneralChaudièresàtubesd'eauetinstallationsauxiliaires-Partie1:GénéralitésWasserrohrkesselundAnlagenkomponenten-Teil1:AllgemeinesThisEuropeanStandardwasapprovedbyCENon10March2000.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusastheofficialversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom.EUROPEANCOMMITTEEFORSTANDARDIZATIONCOMITÉEUROPÉENDENORMALISATIONEUROPÄISCHESKOMITEEFÜRNORMUNGManagementCentre:ruedeStassart,36B-1050Brussels©2001CENAllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENnationalMembers.Ref.No.EN12952-1:2001ELicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,ThuAug2310:12:55GMT+00:002007,UncontrolledCopy,(c)BSIEN12952-1:2001(E)ContentsPageForeword...........................31Scope.