BS 6262-3-2005 Glazing for buildings

BRITISHSTANDARDBS6262-3:2005Glazingforbuildings—Part3:Codeofpracticeforfire,securityandwindloadingICS81.040.20

 
 BS6262-3:2005ThisBritishStandardwaspublishedundertheauthorityoftheStandardsPolicyandStrategyCommitteeon18October2005©BSI18October2005FirstpublishedasBS973,1941Secondedition1945Thirdedition,asCP152,January1960Fourthedition,August1966Fifthedition,July1972Sixtheditiion,asBS6262,June1982Seventhedition,asBS6262-3,October2005ThefollowingBSIreferencesrelatetotheworkonthisBritishStandard:CommitteereferenceB/520/4ISBN0580467732CommitteesresponsibleforthisBritishStandardThepreparationofthisBritishStandardwasentrustedbyTechnicalCommitteeB/520,Glassandglazinginbuilding,toSubcommitteeB/520/4,Propertiesandglazingmethods,uponwhichthefollowingbodieswererepresented:BritishAdhesivesandSealantsAssociationBritishPlasticsFederaationBritishWoodworkingFederationConsumerPolicyCommitteeofBSICouncilforAluminiuminBuildingFlatGlassManufacturers’AssociationGlassandGlazingFederationNottinghamUniversityOfficeoftheDeputyPrimeMinister—BuildingDivisionOfficeoftheDeputyPrimeMinister—representedbytheBRERICSBuildingControlForumCo-optedmembersAmendmentsissuedsincepublicationAmd.No.DateCommentsBS6262-3:2005©BSI18October2005iContentsPageCommitteesresponsibleInsidefrontcoverForewordii1Scope12Normativereferences13Termsanddefinitions24Fire55Security96Windloading11AnnexA(normative)DerivationofthedesignwindpressureinTable732AnnexB(informative)Examplesofcalculationsofthicknessrequired33Bibliography34Figure1—Definitionofsize4Figure2—Basicwindspeedmap13Figure3—Topographiczones14Figure4—Floatglasswindloadresistance16Figure5—Toughenedglasswindloadresistance17Figure6—Laminatedglasswindloadresistance18Figure7—Patternedglassandwiredglasswindloadresistance19Figure8—Floatglassinsulatingunitswindloadresistance20Figure9—Toughenedglassinsulatingunitswindloadresistance21Figure10—Variousinsulatingunitswindloadresistance22Figure11—Variousinsulatingunitswindloadresistance23Figure12—Windloadinggraphforplasticsglazingsheetmaterials,15mmedgecover,aspectratio1.0to1.526Figure13—Windloadinggraphforplasticsglazingsheetmaterials,15mmedgecover,aspectratiogreaterthan1.5uptoandincluding2.527Figure14—Windloadinggraphforplasticsglazingsheetmaterials,15mmedgecover,aspectratiogreaterthan2.5uptoandincluding3.528Figure15—Windloadinggraphforplasticsglazingsheetmaterials,5mmedgecover,aspectratio1.0to1.529Figure16—Windloadinggraphforplasticsglazingsheetmaterials,5mmedgecover,aspectratiogreaterthan1.5uptoandincluding2.530Figure17—Windloadinggraphforplasticsglazingsheetmaterials,5mmedgecover,aspectratiogreaterthan2.5uptoandincluding3.531Table1—BritishandEuropeanStandards5Table2—Firepropertiesofglass(excludingfireresistance)7Table3—FirepropertiesofintegrityonlyglasswhentestedinaccordancewithBS476-22:1987andglazedinsuitablydesignedsystems8Table4—FirepropertiesofinsulatedglasswhentestedinaccordancewithBS476-22:1987andglazedinsuitablydesignedsystems8Table5—Firepropertiesofplasticsglazingsheetmaterials9Table6—Siteterraincategories11Table7—Designwindloadingatsealevel12Table8—Topographicalfactor14Table9—Shapefactors15TableA.1—Buildingfactors32BS6262-3:2005ii©BSI18October2005ForewordThispartofBS6262hasbeenpreparedbySubcommitteeB/520/4.ItpartiallysupersedesBS6262:1982,whichwillbewithdrawnuponpublicationofallsevenpartsofthenewlyrevisedandrestructuredBS6262.BS6262:1982isbeingrevisedandalsorestructuredtosimplifyitsuseandwillbepublishedinsevenparts:—Part1:Generalmethodologyfortheselectionofglazing;—Part2:Codeofpracticeforheat,lightandsound;—Part3:Codeofpracticeforfire,securityandwindloading;—Part4:Codeofpracticeforsafetyrelatedtohumanimpact;—Part5:Codeofpracticeforframedesignconsiderations;—Part6:Codeofpracticeforspecialapplications;—Part7:Codeofpracticeforprovisionofinformation.RequirementsforstandardsofworkmanshipforglazinghavebeenpublishedseparatelyasBS8000-7and,therefore,thissubjectisnotdealtwithinthisstandard.Sincethecorrectselectionofmaterialstobeusedinglazingforbuildingsdependsonmanyfactors,therecommendationsinthispartofthestandardshouldbeusedinconjunctionwiththoseintheotherparts.Asacodeofpractice,thisBritishStandardtakestheformofguidanceandrecommendations.Itshouldnotbequotedasifitwereaspecificationandparticularcareshouldbetakentoensurethatclaimsofcompliancearenotmisleading.Thispublicationdoesnotpurporttoincludeallthenecessaryprovisionsofacontract.Usersareresponsibleforitscorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.Inparticular,attentionisdrawntothefollowingstatutoryregulations.TheBuildingRegulations2000[1].TheBuildingRegulations(NorthernIreland)[2].TheBuildingStandards(Scotland)Regulations2004[3].SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,pagesiandii,pages1to35andabackcover.TheBSIcopyrightnoticedisplayedinthisdocumentindicateswhenthedocumentwaslastissued.BS6262-3:2005©BSI18October200511ScopeThispartofBS6262givesinformationandrecommendationsforvertic