BS EN 1594-2009 Gas supply systems. Pipelines for

BSEN1594:2009ICS23.040.01;75.200NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAWBRITISHSTANDARDGassupplysystems—Pipelinesformaximumoperatingpressureover16bar—FunctionalrequirementsThisBritishStandardwaspublishedundertheauthorityoftheStandardsPolicyandStrategyCommitteeon31January2009©BSI2009ISBN9780580629471Amendments/corrigendaissuedsincepublicationDateCommentsBSEN1594:2009NationalforewordThisBritishStandardistheUKimplementationofEN1594:2009.ItsupersedesBSEN1594:2000whichiswithdrawn.TheUKparticipationinitspreparationwasentrustedtoTechnicalCommitteeGSE/33,Gassupply.Alistoforganizationsrepresentedonthiscommitteecanbeobtainedonrequesttoitssecretary.Thispublicationdoesnotpurporttoincludeallthenecessaryprovisionsofacontract.Usersareresponsibleforitscorrectapplication.CompliancewithaBritishStandardcannotconferimmunityfromlegalobligations.BSEN1594:2009EUROPEANSTANDARDNORMEEUROPÉENNEEUROPÄISCHENORMEN1594January2009ICS23.040.01;75.200SupersedesEN1594:2000EnglishVersionGassupplysystems-Pipelinesformaximumoperatingpressureover16bar-FunctionalrequirementsSystèmesd'alimentationengaz-Canalisationspourpressionmaximaledeservicesupérieureà16bar-PrescriptionsfonctionnellesGasversorgungssysteme-RohrleitungenfüreinenmaximalzulässigenBetriebsdrucküber16bar-FunktionaleAnforderungenThisEuropeanStandardwasapprovedbyCENon8December2008.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheCENManagementCentreortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCENManagementCentrehasthesamestatusastheofficialversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,Bulgaria,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal,Romania,Slovakia,Slovenia,Spain,Sweden,SwitzerlandandUnitedKingdom.EUROPEANCOMMITTEEFORSTANDARDIZATIONCOMITÉEUROPÉENDENORMALISATIONEUROPÄISCHESKOMITEEFÜRNORMUNGManagementCentre:ruedeStassart,36B-1050Brussels©2009CENAllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENnationalMembers.Ref.No.EN1594:2009:EBSEN1594:2009EN1594:2009(E)2ContentsPageForeword.............................................................................................................................................................5Introduction.........................................................................................................................................................61Scope......................................................................................................................................................72Normativereferences............................................................................................................................93Definitions,symbolsandabbreviations...........................................................................................104Qualityandmanagementsystems....................................................................................................145Safetyandtheenvironment...............................................................................................................155.1Introduction..........................................................................................................................................155.2Appropriatesafetymeasures.............................................................................................................155.3Routingconsiderations......................................................................................................................155.4Linevalvespacing..............................................................................................................................176Pressuresafety....................................................................................................................................176.1Pressurelevels....................................................................................................................................176.2Normaloperation.................................................................................................................................176.3Requirementsforinstallationofpressuresafetydevices..............................................................176.4PipelinewithDPequaltoorlessthan40barandhoopstressequaltoorlessthan0,45Rt0,5...............................................................................................................................................186.5PipelinewithDPequaltoorlessthan24barandhoopstressequaltoorlessthan0,30Rt0,5.................................