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MechanicalHazards–Part1PeterCoulahan1MechanicalHazards–Part1PeterCoulahanUniversityCollegeDublinSafetyOfficerModuleOSH10010�Part1MechanicalHazardsPart2MechanicalHazards:PracticalriskreductionmeasuresMechanicalHazardsLearningOutcomesDescribethedifferenttypesofhazardsandrisksassociatedwithmachinesExplain,andprovidetherationalefor,themethodsusedtoreducetheriskofinjuryintheuseofmachinesBeabletoidentifycommonhazardsassociatedwithmachinesAssesswhethersuitablesafetydevicesarefittedandareoperatingsafelyPart11.Definitions2.Recognisingmechanicalhazards3.NonmechanicalhazardsDefinitionsForthepurposeofthispresentationamachineoramechanicaldeviceisconsideredtobeadevicethatperformsoneormorefunctions,e.g.cutswood;mouldsplastics;carriesproductonaconveyor,etc.Whenusedintheworkplacesuchmachinesbecomeworkequipment.DefinitionsWhenweconsidermechanicalhazardsweareconcernedwiththehazardsposedbythemovingpartsofamachine/workequipment.Forthepurposeofthispresentationmechanicalhazardsaredefinedasthosehazardsthatareassociatedwiththemovingpartsofamachine.MechanicalHazards–Part1PeterCoulahan2RecognisingMechanicalHazardsIfamachinelooksdangerousthenitprobablyis………..RecognisingMechanicalHazardsCanIcomeintocontactwithamovingpart?CanIbecomeentangledinamovingpart?CanIbecometrappedbetweenmovingparts?CanIbestruckbyapartorproductofthemachine?RecognisingMechanicalHazardsInRunningNipsTheseareusuallyassociatedwithbeltdrives,chaindrives,rollingdrumsandconveyorsystems.RecognisingMechanicalHazardsInRunningNipsRecognisingMechanicalHazardsEntanglementHazardsTheseoccurwhenthereisariskthatclothingorabodypartcouldbecomeentangledinamovingpart.Therisksincreaseasthespeedofthemovingpartincreasesandalsoasitssurfaceroughnessincreases.RecognisingMechanicalHazardsEntanglementHazardsMechanicalHazards–Part1PeterCoulahan3RecognisingMechanicalHazardsEntanglementHazardsPowerTakeOff(PTO)RecognisingMechanicalHazardsShearingTrapsThesetypesofhazardsarefoundwhereatrappointexistsbetweenamovingpartandastationarypartofamachine.RecognisingMechanicalHazardsCrushingAndImpactHazardsThesetypesofhazardsexistwherethereisapotentialforapersontobestruckorcrushedbyamachine.RecognisingMechanicalHazardsCutting/ContactHazardsThesetypesofhazardsexistwherebodypartscancomeintocontactwithsharporroughmovingparts.RecognisingMechanicalHazardsCutting/ContactHazardsMechanicalHazardInjuryAworkerusingthismachinebecameentangledintheprotrudingboltsandwasdraggedintoandthenthrownoverthemachineresultinginhisleftforearmbeingrippedoffattheelbow.MechanicalHazards–Part1PeterCoulahan4MechanicalHazardFatalityAworkerdiedwhenhebecameentangledbetweenthecylinderandthefeedonthismachine.‘X’marksthespotwherehewasstandingwhenhewaspulledintothemachine.NonMechanicalHazardsNonMechanicalHazard�Source�Consequences�Hotandcoldparts�Engines,freezers,boilerplant,furnaces�Burns,frostbite,heatstress,heatstroke�Electricalparts�Generators,electricalmotors,allelectricallyoperatedplant�Shocks,burns,electrocuFon�RadiaFon�PlantthatproduceselectromagneFcwaves,weldingarcflashes,laserbeams�Burns,cancer,damagedeye-­‐sight,blindness�NonMechanicalHazardsNonMechanicalHazard�Source�Consequences�Toxicexhaust,toxiccontentleakageanddangerousmaterialspills�Plantthatexhauststoxicfumesasaby-­‐product,plantthatuFlisestoxicmaterials�Toxiceffectinjuriessuchasburns,dermaFFs,respiratoryillnesses,cancer�Pressurisedgasesorliquids�Hydrauliclines�PenetraFonofskinbyhazardousliquidsorgases,generaFonofairbubblesinbloodstream�VibraFonandnoise�VibraFngtypemachines,heavyengineeringplant�VibraFonwhitefinger,hearingloss�Considerthisscene……Part1MechanicalHazardsPart2MechanicalHazards:PracticalriskreductionmeasuresMechanicalHazards