USA(v.2008)2TopicsofDiscussion•Awareness•TypesofScaffolding•ScaffoldingBasics•ErectingScaffolds•InspectionofScaffolds•Do’sandDon’tsPhotoofEngelmannGymscaffold(underconstruction,fall2005)USA(v.2008)3AnatomyofaFall•Source:AnatomyofaFalldiagramfromAssociatedGeneralContractorsofWisconsin,6thAnnualStateRiskMgmt.Conference,Madison,1998USA(v.2008)4ScaffoldingAccident/InjuryStatistics•Anestimated2.3millionconstructionworkers,or65%oftheconstructionindustry,workonscaffoldsfrequently.•Protectingtheseworkersfromscaffold-relatedaccidentswouldprevent4,500injuriesand50deathsperyear.2004DOLStatisticsUSA(v.2008)5FatalitiesinConstruction(OSHA)FallProtection(3methods):•FallPrevention(e.g.,guardrailsystem)•WorkPositioning,securesyoutoalocation,thuspreventingafall•FallArrestSystems,consistingofafullbodyharness,lanyard,andanchorageUSA(v.2008)7Scaffolding–withwoodpolesandover60feetinheight–framescaffoldsover125feetinheight–outriggerscaffoldsplusscaffolderections–whenintendedloadsexceedtubeandcouplerscaffoldstandardratings•Aregisteredprofessionalengineermustdesignandcertifyscaffolds:USA(v.2008)8TypesofScaffoldsUSA(v.2008)9SupportedScaffolds•LadderJack•PumpJack•FrameorFabricated•TubeandCoupler•Mobile•Specialty•PoleUSA(v.2008)10ManuallyPropelledMobileScaffoldsUSA(v.2008)11SuspendedScaffolds•Two-Point•Single-PointAdjustable•Catenary•Multi-pointAdjustable•InteriorHung•NeedleBeam•Multi-Level•Float(ship)USA(v.2008)12Boatswain’sChairSeatslingsmust:•Passthroughfourcornerholesintheseat,•Crossontheundersideoftheseat,•Beriggedtopreventslippagewhichcouldcausethechairtobeout-of-level,and•Beatleast5/8”diameterfiber,synthetic,orotherfirst-grademanilaropeofequivalentcriteria(strength,slipresistance,durability,etc.).USA(v.2008)13SpecialtyScaffolds•Plasterers‘•Decorators',andotherlarge-areascaffolds;•Bricklayers'squarescaffolds;•Horsescaffolds•Outriggerscaffolds•Step,platform,andtrestleladderscaffolds•Formandcarpenter'sbracketscaffolds•Windowjackscaffolds;•Crawlingboardsandchickenladders•Roofbracketscaffolds.SpecialtyScaffoldsaredesignedforanarrowandveryspecificrangeofapplications.SpecialtyScaffoldsInclude:USA(v.2008)14OutriggerScaffoldsOutriggerbeamsmustbe:Securedinplacetopreventmovement,andSecurelybracedatthefulcrumpointtopreventtipping.USA(v.2008)15TubeandCoupleScaffolds•KlotschenatatoriumHVACrenovation(Summer2004)USA(v.2008)16TubeandCouplerScaffoldsLightDuty•Nottoexceed25poundspersquarefoot•10footlongitudinalpostspacing•6foottraversepostspace•1worklevel–8additionalplankedlevels–125feetmaximumheight•2worklevels–4additionalplankedlevels–125feetmaximumheight•3worklevels–0additionalplankedlevels–91feetmaximumheightMediumDuty•Nottoexceed50poundspersquarefoot•8footlongitudinalpostspacing•6foottraversepostspace•1worklevel–6additionalplankedlevels–125feetmaximumheight•2worklevels–0additionalplankedlevels–78feetmaximumheightHeavyDuty•Nottoexceed75poundspersquarefoot•6’6”footlongitudinalpostspacing•6foottraversepostspacing•1worklevel–6additionalplankedlevels–125feetmaximumheightUSA(v.2008)17Basics•Training—Employersmusttraineachemployeewhoworksonascaffoldontheprocedurestocontrolorminimizethehazards.•Inspections—Beforeeachworkshiftandafteranyoccurrencethatcouldaffectthestructuralintegrity,acompetentpersonmustinspectthescaffoldandscaff...
