AS NZS 1576.2-2009 Scaffolding - Couplers and acce

AS/NZS1576.2:2009Australian/NewZealandStandard™ScaffoldingPart2:CouplersandaccessoriesAS/NZS1576.2:2009AS/NZS1576.2:2009ThisJointAustralian/NewZealandStandardwaspreparedbyJointTechnicalCommitteeBD-036,Scaffolding.ItwasapprovedonbehalfoftheCouncilofStandardsAustraliaon7July2009andonbehalfoftheCouncilofStandardsNewZealandon17July2009.ThisStandardwaspublishedon2November2009.ThefollowingarerepresentedonCommitteeBD-036:PastecommitteelisthereAustralianAluminiumCouncilAustralianChamberofCommerceandIndustryAustralianCouncilofTradeUnionsAustralianIndustryGroupConstructionSafetyManagersandOfficersAssociationDepartmentofConsumerandEmploymentProtection,WorkSafeDivision(SA)DepartmentofEmployment,EducationandTraining,NTDepartmentofInfrastructure,EnergyandResources,TasDepartmentofLabourNewZealandEngineeredWoodProductsAssociationofAustralasiaEngineersAustraliaHousingIndustryAssociationLabourCouncilofNewSouthWalesMasterBuildersAustraliaNewZealandContractorsFederationNewZealandEmployersandManufacturersAssociationScaffoldingandRiggingAssociationNewZealandScaffoldingAssociation(Qld)Scaffolding,RiggingandIndustrialRopeAccessIndustriesTrainingWorkSafeVictoriaWorkCoverNewSouthWalesKeepingStandardsup-to-dateStandardsarelivingdocumentswhichreflectprogressinscience,technologyandsystems.Tomaintaintheircurrency,allStandardsareperiodicallyreviewed,andneweditionsarepublished.Betweeneditions,amendmentsmaybeissued.Standardsmayalsobewithdrawn.ItisimportantthatreadersassurethemselvestheyareusingacurrentStandard,whichshouldincludeanyamendmentswhichmayhavebeenpublishedsincetheStandardwaspurchased.DetailedinformationaboutjointAustralian/NewZealandStandardscanbefoundbyvisitingtheStandardsWebShopat:2009Australian/NewZealandStandard™ScaffoldingPart2:CouplersandaccessoriesCOPYRIGHT©StandardsAustralia/StandardsNewZealandAllrightsarereserved.Nopartofthisworkmaybereproducedorcopiedinanyformorbyanymeans,electronicormechanical,includingphotocopying,withoutthewrittenpermissionofthepublisher.JointlypublishedbyStandardsAustralia,GPOBox476,Sydney,NSW2001andStandardsNewZealand,PrivateBag2439,Wellington6020ISBN0733792936FirstpublishedasAS1576.2—1991.RevisedandredesignatedasAS/NZS1576.2:2009.AS/NZS1576.2:20092PREFACEThisStandardwaspreparedbytheStandardsAustraliaCommitteeBD-036,Scaffolding,tosupersedeAS1576.2—1991,Tubes,couplersandaccessoriesusedinmetalscaffolding.TheobjectiveofthisStandardistoprovidemanufacturersandsuppliersofcouplersandaccessorieswiththerequirementsthatwillensuretheproperoperationofcouplersandaccessoriesforlight,medium,heavyandspecialdutyscaffolding.Tubes,couplersandaccessoriesthathavebeentestedtoAS1575—1974,Tubes,couplersandaccessoriesusedinmetalscaffolding,AS1576.2—1991,ScaffoldingPart2:Couplersandaccessories,aredeemedtobecompliantprovidedtheyhavebeentestedanddocumentedinaccordancewiththerelevantStandard.Thiseditionincorporatesthefollowingmajorchangestothe1991edition:(a)Wedge-tightenedcouplersarenowallowed.ThisistoalignthisStandardwithBSEN74-1:2005,Couplers,spigotpinsasbaseplatesforuseinfalseworkandscaffolds,Part1:Couplersfortubes—Requirementsandtestprocedures.(b)CouplersthatmeettheperformancerequirementsofBSEN74-1forsimilartypecouplersaredeemedtocomplywiththisStandardwithouttheneedfortypetesting.(c)End-to-endcouplersarenottobeusedtoresistdirecttensileforcesbetweenthejoinedtubes.(d)Slipperformanceforend-to-endcouplershasbeendeletedandreplacedbyabendingloadcapacityforthesecouplers.(e)Thetestingappendicesgenerallyhavebeenrevisedandnewtestshavebeenincludedfor—(i)bendingloadcapacityforend-to-endcouplers;(ii)determinationofslipresistanceusingacheckcoupler;(iii)horizontalloadtestoncastors;and(iv)atestforacheckcouplercombinationwithaload-bearingcoupler.(f)Suppliersdocumentationthatincludesservicingprocedures.Theterms‘normative’and‘informative’havebeenusedinthisStandardtodefinetheapplicationoftheappendixtowhichtheyapply.A‘normative’appendixisanintegralpartofaStandard,whereasan‘informative’appendixisonlyforinformationandguidance.3AS/NZS1576.2:2009CONTENTSPageSECTION1SCOPEANDGENERAL1.1SCOPE........................................................................................................................41.2NORMATIVEREFERENCES....................................................................................41.3DEFINITIONS...............................................