BSENIS021809-1:2018 BSI Standards Publication Petroleum and natural gas industries - External coatings for buried or submerged pipelines used in pipeline transportation systems Part1:Polyolefincoatings(3-layerPEand3-layerPP) bsi. BSENIS021809-1:2018 BRITISH STANDARD National foreword ThisBritishStandardistheUKimplementationofENIS021809-1:2018. It is identicaltoIS021809-1:2018.ItsupersedesBSENIS021809-1:2011, which is withdrawn. TheUKparticipationin itspreparation was entrustedto Technical CommitteePSE/17/2,Transmissionpipelines. A listoforganizations representedonthiscommitteecan beobtained on requestto its secretary. This publication does not purport to include all the necessary provisions ofa contract.Users areresponsiblefor its correctapplication. @TheBritish Standards Institution2018 PublishedbyBSIStandards Limited2018 ISBN9780580860522 ICS 75.200 CompliancewithaBritishStandardcannotconferimmunityfrom legalobligations. This British Standard was published under the authority of the Amendments/corrigendaissuedsincepublication Date Text affected EUROPEAN STANDARD EN IS0 21809-1 NORME EUROPEENNE EUROPAISCHENORM November2018 ICS75.200 Supersedes EN IS0 21809-1:2011 English Version Petroleum and natural gas industries - External coatings for buried or submerged pipelines used in pipeline transportationsystems s-Part1:Polyolefincoatings Industries du petrole et du gaz naturel Erdol- und Erdgasindustrie - Umhullungen -Revetements externes des conduites fur erd- und wasserverlegte Rohrleitungen in enterrées ou immergees utilisees dans les Transportsystemen-Teil 1:Polyolefinumhullungen systemes de transport par conduites -Partie (3-Lagen-PE und 3-Lagen-PP) (IS0 21809-1:2018) 1: Revetements a base de polyolefines (PE tricouche et PPtricouche) (IS0 21809-1:2018) This European Standard was approved by CEN on 17 September 2018. CEN members arebound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre orto anyCENmember. This European Standard exists in three official versions (English, French, German). A version in any other language Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary,Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. cen EUROPEAN COMMITTEE FOR STANDARDIZATION COMITE EUROPEEN DE NORMALISATION EUROPAISCHES KOMITEE FUR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2018CEN All rights of exploitation in any form and by any means reserved Ref. No. EN IS0 21809-1:2018: E worldwide for CEN national Members