Scaffold Safety for Construction.ppt

scaffoldsafetyforconstruction scopeandapplicationoftheregulation regulationsonscaffoldsintheconstructionindustryareinsubpartlof29cfr1926theregulationappliestoallscaffoldsusedinworkplacesthatarecoveredbyosha sconstructionregulations 1a scopeandapplicationoftheregulation italsoappliestotemporaryelevatedworkplatformsandaerialliftsitdoesnotapplytocraneorderricksuspendedpersonnelplatforms 1b scopeandapplicationoftheregulation generalindustryactivitiesarenotcoveredbytheconstructionindustryrequirements 1c terms competentpersonexposedpowerlinesguardrailsystem 2a terms maximumintendedloadpersonalfallarrestsystemqualified 2b terms ratedloadsupportedscaffoldsuspensionscaffold 2c trainingrequirements trainingwilladviseyouonhowtoprotectyourselffromelectricalhazardsfallhazardsfallingobjecthazards 3a trainingrequirements youmustknow thescaffold sloadcapacitieshowtohandlematerialsonthescaffoldhowtousethescaffold 3b electricalsafety clearancebetweenscaffoldequipmentandpowerlinesiscrucialtoworkersafetysafedistancesmustbekeptbetweenenergizedlinesandconductivematerial 4a electricalsafety clearancesmustbemaintainedwhenscaffoldsare erecteduseddismantledalteredmoved 4b electricalsafety beforeworkstarts theutilitycompanyorelectricalsystemoperatorcaneither de energizethelinesrelocatetheminstallprotectivecoveringstopreventaccidentalcontactwiththelines 4c weldingsafety beawareofthehazardofweldingcurrentarcingthroughthesuspensionwireropewhenweldingfromsuspendedscaffoldsuseaninsulatedthimbletoattacheachsuspensionwireropetoitshangingsupport 4d weldingsafety insulateanyexcesssuspensionwireropeorotherindependentlinesinsulatethesuspensionwireropeatleast4feet 1 2m abovethehoist 4e weldingsafety ifthereisataillinebelowthehoist insulateittopreventcontactwiththeplatformretainorguidetheportionofthetaillinethathangsfreebelowthescaffoldsothatitdoesnotbecomegrounded 4f weldingsafety useinsulatedprotectivecoverstocovereachhoistinadditiontoaworkleadattachmentrequiredbytheweldingprocess useagroundingconductorbetweenthescaffoldandthestructure 4g weldingsafety ifthescaffoldgroundingleadisdisconnectedatanytime theweldingmachinemustbeshutoffkeepactiveweldingrodsoruninsulatedweldingleadsfromcontactingthescaffoldoritssuspensionsystem 4h fallprotection eachemployeeonascaffoldmorethan10feetabovealowerlevelmustbeprotectedfromfallingtothatlowerlevelthetwotypesoffallprotectionarethe personalfallarrestsystem pfas guardrailsystem 5a fallprotection differenttypesofscaffoldsrequiredifferenttypesoffallprotection 5b fallprotection pfassarerequiredforemployeesona boatswains chaircaternaryscaffoldfloatscaffoldneedlebeamscaffoldladderjackscaffold 5c fallprotection bothapfasandaguardrailsystemisrequiredforsingle pointortwo pointadjustablesuspensionscaffolds 5d fallprotection crawlingboards chickenladders needeithera pfasguardrail3 4inchdiametergrablineorequivalenthandholdsecurelyfastenedbesidethecrawlingboard 5e fallprotection self containedadjustablescaffoldsthathavetheplatformsupportedbytheframerequireaguardrailsystemself containedadjustablescaffoldswiththeplatformsupportedbyropesrequirebothapfasandaguardrailsystem 5f fallprotection guardrailsystemsmustbeusedtoprotectwalkwayswithinascaffold 5g fallprotection whenthefrontedgeoftheplatformismorethan14inchesawayfromthefaceofthestructure thisedgerequiresaguardrailorworkersmustuseapfas 5h personalfallarrestsystems thepfasmustmeettherequirementsintheregulationonfallprotection 29cfr1926 502 d whenusedonascaffold attachthepfastoaverticalorhorizontallifelineortoastructuralmember 6a personalfallarrestsystems whenverticallifelinesareused theymustbe anchoredtoasafefixedpointindependentofthescaffoldprotectedfromsharpedgesandabrasion 6b personalfallarrestsystems horizontallifelinesmustbe securedtotwoormorestructuralmembersofthescaffoldloopedaroundbothsuspensionandindependentsuspensionlinesabovethehoistandbrake 6c personalfallarrestsystems verticallifelines independentsupportlines andsuspensionropes mustnotbeattachedtoeachothercannotusethesameanchoragepoint 6d guardrailsystems appendixaoftheregulationgivesspecificationsforbuildingguardrailsystemsguardrailsystemsmustbeinstalledalongallopensidesandendsofplatforms 7a guardrailsystems requirementsforhowhighthetoprailmustbeabovetheplatformsurface andfortheuseof midrailsscreensmeshintermediateverticalmemberssolidpanelsaspartofaguardrailsystem 7b guardrailsystems theguardrailsystemmustbeabletowithstandforceasspecifiedintheregulation 7c guardrailsystems guardrailcomponentsmustbesurfacedsotheydonotcause puncturewoundslacerationssnaggedclothing 7d protectionfromfallingobjects employeesmustbeprotectedfrom fallinghandtoolsdebrisothersmallobjects 8a protectionfromfallingobjects protectionisgainedthroughtheinstallationof toeboardsscreensguardrailsystemsdebrisnetscatchplatformscanopystructuresthatcontainordeflectthefallingobjects 8b protectionfromfallingobjects whenthefallingobjectsaretoolarge heavy ormassivetobecontained keepobjectsawayfromtheedgeofthesurface 8c protectionfromfallingobjects barricadeareastoprotecttheemployeesworkingbelowfromthehazardsoffalling toolsmaterialsequipment 8d protectionfromfallingobjects installatoeboardalongtheedgeofplatformsmorethan10feetabovelowerlevelsprotecttheworkersbelowwhenequipmentormaterialsarepiledtoaheightabovethetoprailortoeboardonascaffold splatform 8e loadcapacities itiscrucialtostaywithinthescaffold sloadlimitsscaffoldsmustbedesignedbyaqualifiedpersonscaffoldsmustbeconstructedandloadedinaccordancewiththatdesign 9a loadcapacities eachscaffoldandscaffoldcomponentmustbeabletosupport itsownweightatleast4timesthemaximumintendedloadappliedortransmittedtoit 9b loadcapacities it suptotheworkertounderstandandstaywithinthecapacitiesoftheequipment 9c loadcapacities don tmakearbitrarychangestoascaffold sstructureanymodificationscanaffectthescaffold scapacityandstability 9d loadcapacities scaffoldsandscaffoldcomponentsmustneverbeloadedinexcessoftheirmaximumintendedloadsorratedcapacities whicheverisless 9e materialshandlingonscaffolds anymaterialstakenontotheplatformmustbehandledproperlydonotallowdebristoaccumulateonplatforms 10a materialshandlingonscaffolds ifmaterialsstarttopileupabovetoeboards thescaffoldmayneedadditionalfallingobjectprotectionsecureanyliquidorpowderymaterialstoguardagainstspills 10b materialshandlingonscaffolds takeextraprecautionsinwindyconditionsduringstormsorhighwinds acompetentpersonmustdetermineifitissafeforemployeestobeonthescaffold 10c materialshandlingonscaffolds usetaglinesorequivalentmeasurestocontrolanyswingingloadsthatarebeinghoistedontoornearscaffolds 10d inspectionrequirements inspectscaffoldsandscaffoldcomponentsforvisibledefectsbeforeeachshiftinspectscaffoldsafteranyoccurrencethatcouldaffectascaffold sstructuralintegrity 11a inspectionrequirements earlydetectionofstructuraldefectsisimportant lookforhairlinecracks 11b inspectionrequirements ensurethatstructuraldefectsinplatformsarenotcoveredfromviewplatformsmaynotbecoveredwithopaquefinishes 11c inspectionrequirements platformsmaybecoatedwith woodpreservativesfire retardantfinishesslip retardantfinishes 11d inspectionrequirements platformedgescanbemarkedtoshowidentification grading orsimilartypesofmarksinspectropesfordefectspriortoeachworkshiftandaftereveryoccurrencethatcouldaffectarope sintegrity 11e inspectionrequirements beforeasuspensionscaffoldisused inspectthedirectconnections bolts inspectandretightenwireropeclipsatthestartofeachworkshift 11f handlingdamagedcomponents damagedorweakenedscaffoldsmustbe immediatelyrepairedorreplacedbracedremovedfromserviceuntilrepaired 12a handlingdamagedcomponents onsuspensionscaffolds ropesmustbereplacedifanyofthefollowingconditionsexist 12b handlingdamagedcomponents anyphysicaldamagethatimpairsthefunctionandstrengthoftheropekinksthatmightimpairthetrackingorwrappingofropearoundthedrum s orsheave s 12c handlingdamagedcomponents sixrandomlydistributedbrokenwiresinoneropelayorthreebrokenwiresinonestrandinoneropelay 12d handlingdamagedcomponents abrasion corrosion scrubbing flatteningorpeeningcausinglossofmorethanone thirdoftheoriginaldiameteroftheoutsidewires 12e handlingdamagedcomponents heatdamagecausedbyatorchoranydamagecausedbycontactwithelectricalwiresevidencethatthesecondarybrakehasbeenactivatedduringanoverspeedconditionandhasengagedthesuspensionrope 12f safeaccesstoscaffoldplatforms whenscaffoldplatformsaremorethan2feetaboveorbelowapointofaccess meansofaccessinclude 13a safeaccesstoscaffoldplatforms portableladdershook onladdersattachableladdersstairtowers 13b safeaccesstoscaffoldplatforms stairway typeladdersrampswalkwaysintegralprefabricatedscaffoldaccess 13c safeaccesstoscaffoldplatforms directaccessfromanotherscaffold structure personnelhoist orsimilarsurfacecrossbracescannotbeusedasameansofaccess 13d hazardsofusingmaterialstoincreasescaffoldheight don tusemakeshiftdevices suchasboxesandbarrels toincreasetheworkinglevelheightladdersmustnotbeusedonscaffoldstoincreasetheworkinglevelheightexceptonlargeareascaffolds 14a hazardsofusingmaterialstoincreasescaffoldheight alargeareascaffoldiserectedoversubstantiallytheentireworkarea apolescaffoldtubeandcouplerscaffoldsystemsscaffoldfabricatedframescaffold 14b hazardsofusingmaterialstoincreasescaffoldheight laddersmaybeusedonlargeareascaffoldsifthe 14c hazardsofusingmaterialstoincreasescaffoldheight ladderisplacedagainstastructurethatisnotapartofthescaffoldscaffoldhasbeensecuredagainstthesidewaysthrustexertedbytheladder 14d hazardsofusingmaterialstoincreasescaffoldheight platformunitsaresecuredtothescaffoldtopreventtheirmovement 14e hazardsofusingmaterialstoincreasescaffoldheight ladderlegsareonthesameplatformorothermeansisusedtostabilizetheladderagainstunequalplatformdeflectionladderlegsaresecuredtopreventthemfromslippingorbeingpushedofftheplatform 14f movingascaffold unlesssodesigned scaffoldscannotbemovedhorizontallywhileemployeesareonthemfollowtherequirementsat1926 452formobilescaffolds 15a erecting dismantlingscaffolds employeesmustbetrainedandexperiencedinerectinganddismantlingscaffoldsemployeesworkingonsupportedscaffoldsmustbeprovidedwithsafeaccess 16a erecting dismantlingscaffolds acompetentpersonmustdetermineifprovidingsafeaccessisfeasiblebasedonsiteconditionsandthetypeofscaffold 16b erecting dismantlingscaffolds foremployeeswhoareerectingsupportedscaffolds hook onorattachableladdersaretobeinstalledassoonaspossible 16c erecting dismantlingscaffolds endframeswithhorizontalmembersthatareparallel level andnotmorethan22inchesapartverticallymaybeusedasclimbingdevicesforaccess 16d erecting dismantlingscaffolds crossbracesontubularweldedframescaffoldsmustnotbeusedasameansofaccessoregressduringerectingordismantlingwork 16e erecting dismantlingscaffolds employersarerequiredtoprovidefallprotectionforemployeeserectingordismantlingsupportedscaffolds 16f erecting di