BRITISHSTANDARDBS5433:1976IncorporatingAmendmentNos.1and2SpecificationforUndergroundstopvalvesforwaterservicesUDC696.117:621.646.651CONFIRMEDDECEMBER2007BS5433:1976ThisBritishStandard,havingbeenpreparedunderthedirectionoftheSanitaryAppliancesStandardsCommittee,waspublishedundertheauthorityoftheExecutiveBoardon30November1976©BSI08-1999ThefollowingBSIreferencesrelatetotheworkonthisstandard:CommitteereferenceSEB/2Draftforcomment73/13411DCISBN0580096300CooperatingorganizationsTheSanitaryAppliancesStandardsCommittee,underwhosesupervisionthisBritishStandardwasprepared,consistsofrepresentativesfromthefollowingGovernmentdepartmentsandscientificandindustrialorganizations:BritishBathManufacturers’Association*InstitutionofPublicHealthEngineersBritishPlasticsFederation*MetalSinkManufacturers’AssociationCouncilofBritishCeramicSanitarywareMinistryofDefenceManufacturers*NationalBrassfoundryAssociation*DepartmentoftheEnvironment*NationalFederationofBuilders’andEnvironmentalHealthOfficers’AssociationPlumbers’Merchants*GreaterLondonCouncil*NationalWaterCouncil*InstituteofPlumbing*RoyalInstituteofBritishArchitectsInstitutionofHeatingandVentilatingRoyalInstituteofPublicHealthandHygieneEngineers*RoyalSocietyofHealth*InstitutionofMunicipalEngineers*WaterCompanies’Association*TheGovernmentdepartmentandscientificandindustrialorganizationsmarkedwithanasteriskintheabovelist,togetherwiththefollowing,weredirectlyrepresentedonthecommitteeentrustedwiththepreparationofthisBritishStandard:AssociationofManufacturersofDomesticHeatingandVentilatingContractors’ElectricalAppliancesAssociationBritishGasCorporationInstituteofBritishFoundrymenBritishNon-ferrousMetalsTechnologyInstitutionofGasEngineersCentreInstitutionofWaterEngineersandBritishValveManufacturers’AssociationScientistsCopperBallManufacturers’AssociationNationalAssociationofPlumbing,HeatingCopperDevelopmentAssociationandMechanicalServicesContractorsCopperTubeFittingsManufacturers’SocietyofBritishGasIndustriesAssociationSouthLond...
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