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ScaffoldandAerialLiftSafety•StanLiang,CIH,CSP,CET•KTA-Tator,Inc.WebinarObjectivesBriefoverviewofthefollowing:OSHAScaffoldStandardSafeworkpracticesfortheuseofscaffolds,aeriallifts,andscissorliftsResourcesforadditionalinformationScaffolds/Aeriallifts•Hazards–Falls–Fallingobjects–Structuralinstability–Electrocution–OverloadingScaffolds29CFR1926–SubpartL•1926.450–Scope,application,anddefinitions•1926.451–Generalrequirements•1926.452–Requirementsapplicabletospecifictypesofscaffolds•1926.453–Aeriallifts•1926.454–Trainingrequirements29CFR1926–SubpartLAppendices•AppendixA–Scaffoldspecifications•AppendixB–Fallprotectionforscaffolderectorsanddismantlers•AppendixC–Nationalconsensusstandards•AppendixD–Trainingtopicsforscaffolderectorsanddismantlers•AppendixE–DrawingsandillustrationsCompetentPerson•Onewhoiscapableofidentifyingexistingandpredictablehazardsinthesurroundingsorworkingconditionswhichareunsanitary,hazardousordangeroustoemployeesandhasauthorizationtotakepromptcorrectivemeasurestoeliminatethem.QualifiedPerson•Onewhobypossessionofarecognizeddegree,certificate,orprofessionalstanding,orwhobyextensiveknowledge,training,andexperiencehassuccessfullydemonstratedhisorherabilitytosolveorresolveproblemsrelatedtothesubjectmatter,work,ortheproject.GeneralRequirements–Supportitsownweightand4timesthemaximumintendedload–Suspensionropeandconnectinghardwaresupport6timesthemaximumintendedloadGeneralRequirements–Stallloadofscaffoldhoistnottoexceed3timestheratedload–DesignedbyaqualifiedpersonandloadedaccordingtodesignGeneralRequirementsScaffoldPlatformConstruction•Platformsmustbefullydeckedandplanked•Platformmustbeatleast18incheswide•PlanksmustbeingoodconditionGeneralRequirementsScaffoldPlatformConstruction•Eachabuttedendshallrestonaseparatesupportsurface•Platformsoverlapnotlessthan12”andonlyoversupports•PlatformsthatrestonabeareratanangleotherthanarightanglemustbelaidfirstGeneralRequirementsScaffoldPlatformConstruction•Theendoftheplatformmustextendatleast6inchesbeyondthesupport;or•Restrainedbyhooks,cleatsorothermeansGeneralRequirementsScaffoldPlatformConstruction•Platforms10feetlongorlessextendnomorethan12inchespastthesupport•Platformsmorethan10feetlongextendnomorethan18inchesGeneralRequirementsScaffoldConstruction•Scaffoldcomponentsmanufacturedbydifferentmanufacturersshallnotbeusedtogetherunless:–Componentsfittogetherwithoutforce–Scaffold'sstructuralintegrityismaintainedbytheuser–CompetentpersondeterminestheresultingscaffoldisstructurallysoundGeneralRequirementsScaffoldsConstruction•ComponentsofdissimilarmetalscannotbeintermixedGeneralRequirementsSupportedScaffolds•Fullyplanked•Bearonadequatefoundations•Plumbedandbraced•UnstableobjectsnotusedasworkplatformsGeneralRequirementsSuspendedScaffolds•Supportdevicesmustsupport4timestheimposedload•DirectconnectionevaluatedbyacompetentpersonGeneralRequirementsSuspendedScaffolds•Counterweightsmadeofnon-flowablematerial•Counterweightssecuredandnotremoveduntilscaffoldisdisassembled•Tiebackssecuredtosoundanchorage•SingletiebacksinstalledatanangleprohibitedGeneralRequirementsSuspendedScaffolds•Minimumlengthsforsuspensionropesonhoists•Norepairedwirerope•RopesinspectedbyacompetentpersonpriortoeachshiftGeneralRequirementsSuspendedScaffolds•Nogasolinepoweredequipmentorhoist•Automaticbra...