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BRITISHSTANDARDBSEN12843:2004Precastconcreteproducts—MastsandpolesTheEuropeanStandardEN12843:2004hasthestatusofaBritishStandardICS29.240.20;91.100.30 BSEN12843:2004ThisBritishStandardwaspublishedundertheauthorityoftheStandardsPolicyandStrategyCommitteeon13December2004©BSI13December2004ISBN0580450740NationalforewordThisBritishStandardistheofficialEnglishlanguageversionofEN12843:2004.EN12843isacandidate“harmonized”EuropeanStandardandfullytakesintoaccounttherequirementsoftheEuropeanCommissionmandateM/100,Precastconcreteproducts,givenundertheEUConstructionProductsDirective(89/106/EEC),andisintendedtoleadtoCEmarking.ThedateofapplicabilityofEN12843asaharmonizedEuropeanStandard,i.e.thedateafterwhichthisstandardmaybeusedforCEmarkingpurposes,issubjecttoanannouncementintheOfficialJournaloftheEuropeanCommunities.TheCommissioninconsultationwithMemberStateshasagreedatransitionperiodfortheco-existenceofharmonizedEuropeanStandardsandtheircorrespondingnationalstandard(s).Itisintendedthatthisperiodwillcompriseaperiod,usuallyninemonths,afterthedateofavailabilityoftheEuropeanStandard,duringwhichanyrequiredchangestonationalregulationsaretobemade,followedbyafurtherperiod,usuallyof12months,fortheimplementationofCEmarking.Attheendofthisco-existenceperiod,thenationalstandard(s)willbewithdrawn.EN12843isthesubjectoftransitionalarrangementsagreedundertheCommissionmandate.IntheUK,therearenocorrespondingnationalstandardsofnationalorigin.TheUKparticipationinitspreparationwasentrustedtoTechnicalCommittee,B/524,Precastconcreteproducts,whichhastheresponsibilityto:Alistoforganizationsrepresentedonthiscommitteecanbeobtainedonrequesttoitssecretary.Cross-referencesTheBritishStandardswhichimplementinternationalorEuropeanpublicationsreferredtointhisdocumentmaybefoundintheBSICatalogueunderthesectionentitled“InternationalStandardsCorrespondenceIndex”,orbyusingthe“Search”facilityoftheBSIElectronicCatalogueorofBritishStandardsOnline.Thispublicationdoesnotpurporttoincludeallthenecessaryprovisionsofacontract.Usersareresponsibleforitscorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.—aidenquirerstounderstandthetext;—presenttotheresponsibleinternational/Europeancommitteeanyenquiriesontheinterpretation,orproposalsforchange,andkeeptheUKinterestsinformed;—monitorrelatedinternationalandEuropeandevelopmentsandpromulgatethemintheUK.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,theENtitlepage,pages2to31andabackcover.TheBSIcopyrightnoticedisplayedinthisdocumentindicateswhenthedocumentwaslastissued.AmendmentsissuedsincepublicationAmd.No.DateCommentsEUROPEANSTANDARDNORMEEUROPÉENNEEUROPÄISCHENORMEN12843September2004ICS91.100.30;29.240.20EnglishversionPrecastconcreteproducts-MastsandpolesProduitspréfabriquésenbéton-MâtsetpoteauxBetonfertigteile-MasteThisEuropeanStandardwasapprovedbyCENon24June2004.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusastheofficialversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal,Slovakia,Slovenia,Spain,Sweden,SwitzerlandandUnitedKingdom.EUROPEANCOMMITTEEFORSTANDARDIZATIONCOMITÉEUROPÉENDENORMALISATIONEUROPÄISCHESKOMITEEFÜRNORMUNGManagementCentre:ruedeStassart,36B-1050Brussels©2004CENAllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENnationalMembers.Ref.No.EN12843:2004:EEN12843:2004(E)2ContentsThenumberingofclausesisstrictlyrelatedtoEN13369,Commonrulesforprecastconcreteproducts,atleastforthefirstthreedigits.WhenaclauseofEN13369isnotrelevantorincludedinamoregeneralreferenceofthisstandard,itsnumberisomittedandthismayresultinagaponnumberingpageForeword..............................................................................................................................................................4Introduction.........................................................................................................................................................61Scope......................................................................................................................................................72Normativereferences............................................................................................................................73Termsanddefinitions..................................................................
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