BS637521987PerformanceofwindowsSpecificat

BRITISHSTANDARDBS6375-2:1987IncorporatingAmendmentNo.1andimplementingAmendmentNo.2NotpublishedseparatelyPerformanceofwindows—Part2:SpecificationforoperationandstrengthcharacteristicsNOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAWLicensedCopy:RonaldAmith,,TueNov2205:27:53GMT2005,UncontrolledCopy,(c)BSI(ofDiverseMaterials)forBuildingsStandardsCommittee,waspublishedundertheauthorityoftheBoardofBSIandcomesintoeffecton30January1987BSI©12-1998ThefollowingBSIreferencesrelatetotheworkonthisstandard:CommitteereferenceECB/15Draftforcomment85/10940DCISBN0580156133CommitteesresponsibleforthisBritishStandardThepreparationofthisBritishStandardwasentrustedbytheElementsandComponents(ofDiverseMaterials)forBuildingsStandardscommittee(ECB/-)toTechnicalCommitteeECB/15uponwhichthefollowingbodieswererepresented:AluminiumWindowAssociationAssociationofBuilders’HardwareManufacturersBritishPlasticsFederationBritishPrecastConcreteFederationLtd.BritishWoodPreservingAssociationBritishWoodworkingFederationBuildingEmployersConfederationConsumerStandardsAdvisoryCommitteeofBSIDepartmentoftheEnvironment(PropertyServicesAgency)DepartmentoftheEnvironment(BuildingResearchEstablishment,PrincesRisboroughLaboratory)FlatGlassManufacturers’AssociationGlassandGlazingFederationGuildofArchitecturalIronmongersHealthandSafetyExecutiveInstitutionofFireEngineersLondonHousingConsortiumNationalHouse-BuildingCouncilRoyalInstituteofBritishArchitectsSteelWindowAssociationTimberResearchandDevelopmentAssociationCooptedmemberAmendmentsissuedsincepublicationAmd.No.DateofissueComments6248October19899115August1996IndicatedbyasidelineinthemarginLicensedCopy:RonaldAmith,,TueNov2205:27:53GMT2005,UncontrolledCopy,(c)BSI©BSI12-1998iContentsPageCommitteesresponsibleInsidefrontcoverForewordiiIntroduction11Scope12Definitions13Windowtypes24Glazingandglass25Testing26Performancerequirements2AppendixATestmethods6Figure1—Test3.Arrangementforresistancetoexcessiveoperatingforce8Figure2—Test4.Arrangementforreleaseofjammedsash9Figure3—Test5.Arrangementforreleaseofjammedhinge10Figure4—Test6.Arrangementforstrengthofrestrictedopeningandlocationsystems11Figure5—Test7.Arrangementforresistancetoaccidentalloading13Table1—Scheduleoftestrequirements3Table2—Operationoffasteners4Table3—Operationofsash4PublicationsreferredtoInsidebackcoverLicensedCopy:RonaldAmith,,TueNov2205:27:53GMT2005,UncontrolledCopy,(c)BSI©BSI12-1998ForewordThisBritishStandardhasbeenpreparedunderthedirectionoftheElementsandComponents(ofDiverseMaterials)forBuildingsStandardsCommittee.Itistheintentionthattheperformancerequirementsfortheoperationandstrengthofwindowswillinfuturebespecifiedinthewindowproductstandardsbyreferencetothisstandard.FurtherPartsofBS6375willbepublishedinduecoursedealingwithotherattributes.Anendurancetestwillbeintroducedassoonasitispossibletoestablishthetestmethodsandtherelatedperformancecriteria.Part1ofBS6375,publishedin1983,givesaclassificationofwindowsforweathertightnessintermsoftestpressurelevelsforairpermeability,watertightnessandwindresistanceandalsogivesguidanceonselectionandspecification.Twoacceptancelevelsfortestsontophungandsidehungwindowsonvariablegeometryhinges(test5)havebeenincludedastheyareconsiderednecessaryatthetimeofAmendmentNo.1ofthisstandard.Inviewofthecontinualdevelopmentsinthehardwareandwindowframesectiondesign,however,itishopedthatinduecourseitwillnotbenecessarytoretainbothlevelsandtheTechnicalCommitteeresponsibleforthisstandardwillkeepthissituationunderconstantreview.ABritishStandarddoesnotpurporttoincludeallthenecessaryprovisionsofacontract.UsersofBritishStandardsareresponsiblefortheircorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,pagesiandii,pages1to15andabackcover.TheBSIcopyrightnoticedisplayedinthisdocumentindicateswhenthedocumentwaslastissued.LicensedCopy:RonaldAmith,,TueNov2205:27:53GMT2005,UncontrolledCopy,(c)BSI©BSI12-19981IntroductionThemaximumforcespermittedtooperatethesashofawindowwhicharespecifiedinthisstandardhavebeenderivedfromtestdataonthestrengthofuserssuppliedbythePrincesRisboroughLaboratory1).Aperson’sabilitytooperateawindowwilldependnotonlyontheheightofthewindowand/orthepersonbutalsoonwhetheranyitemsoffurnitureorfittings(e.g.asinkunit)obstructorrestricttheaccesstothewindow.Theoperatingcharacteristicsofawindowshouldthereforebegivencarefulconsiderationifitistobeinstalledatahighleveloraccesstoitisobstructedorrestricted.Theoperatingforcesgiveninthisstandardareconsideredtobecapableofbeingappliedbythemajorityofpeople.However,wherewindowsaretobeoperatedbyyoungchildren,oldpeople,ortheinfirm,specialconsiderationwillneedtobegiventotheselectionofthewindowanditsoperation,e.g.windowtype,size,positionanditshardware.1ScopeThisPartofBS6375specifiesperformancerequirem