DD-ENV-1401-3-2001

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1、DRAFTFORDEVELOPMENTDDENV1401-3:2001Plasticpipingsystemsfornonpressureundergrounddrainageandsewerage—Unplasticizedpoly(vinylchloride)(PVC-U)—Part3:GuidanceforinstallationICS23.040.20;83.140.30;91.140.80;93.030NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAWLicensedCopy:LondonSouthB

2、ankUniversity,LondonSouthBankUniversity,TueDec1206:04:43GMT+00:002006,UncontrolledCopy,(c)BSIDDENV1401-3:2001NationalforewordThisDraftforDevelopmentistheEnglishlanguageversionofENV1401-3:2000.ThispublicationisnottoberegardedasaBritishStandard.ItisbeingissuedintheDraftforDevelopmentseriesofpub

3、licationsandisofaprovisionalnaturebecauseitisspecificallyintendedtogiveguidancefortheinstallationofpipingsystemsmadefromcomponentsconformingtoBSEN1401-1,henceforthepurposeofinstallingsuchPVC-UpipingsystemsforgravitydrainsandsewersthisdocumentprovidesforconsiderationanalternativedocumenttoBS59

4、55-6:1980,whichremainsaprimenationalstandardsforthispurpose.Itshouldbeappliedonthisprovisionalbasis,sothatinformationandexperienceofitspracticalapplicationmaybeobtained.PleasenoteBSEN1401-1:1998supersededBS5481:1977andpartiallysupersededBS4660:1989.ProductsconformingtoBS4660:2000andBS7158:200

5、1havebeendesignedtoprovideaccesstodrainagesystemsconstructedfromcomponentsconformingtoEN1401-1.CommentsarisingfromtheuseifthisDraftforDevelopmentarerequestedsothatUKexperiencecanbereportedtotheEuropeanorganizationresponsibleforitsconversionintoaEuropeanStandard.Areviewofthispublicationwillbei

6、nitiated2yearsafteritspublicationbytheEuropeanorganizationsothatadecisioncanbetakenonitsstatusattheendofitsthree-yearlife.ThecommencementofthereviewperiodwillbenotifiedbyanannouncementinUpdateStandards.Accordingtotherepliesreceivedbytheendofthereviewperiod,theresponsibleBSICommitteewilldecide

7、whethertosupporttheconversionintoaEuropeanStandard,toextendthelifeoftheprestandardortowithdrawit.CommentsshouldbesentinwritingtotheSecretaryofBSISubCommitteePRI/88/1,PlasticPipingforNonPressure,at389ChiswickHighRoad,LondonW44AL,givingthedocum