CPWR_Arc_Welding&Fire_Safety_0.pdfVIP专享VIP免费原创优质

ArcWeldingandFireSafety©2017,CPWR-TheCenterforConstructionResearchandTraining.Allrightsreserved.CPWRistheresearchandtrainingarmofNorthAmerica’sBuildingTradesUnions.ProductionofthisdocumentwassupportedbycooperativeagreementOH009762fromtheNationalInstituteforOccupationalSafetyandHealth(NIOSH).ThecontentsaresolelytheresponsibilityoftheauthorsanddonotnecessarilyrepresenttheofficialviewsofNIOSH.Ifproperlyinspectedandused,thearcwelderisverysafe.Ifusedimproperly,itcanexposewelderstofire,explosion,andretinalburns.Ben’sStoryBenwasworkingfromanaeriallift,weldingangleironsupportstoasteeljoist.Theareadirectlybelowhimcontainedmagnesiumshavingsandcuttings.Weldingsparksandslagfromtheweldinglandedintheshavings,causingaviolentfirethatengulfedBen.Hediedfromsevereburns,fireandsmokeinhalation,andasphyxia.Whydidthisincidenthappen?Haveyouknownorheardofanyonewhowasinjuredorkilledwhilewelding?Ifso,whathappened?RememberThisInspectthearcwelderbeforestartinganyoperation.Readallwarninglabelsandinstructionmanualsforthewelder.Insulateyourbodyfromthemetalyouarewelding.Weardryglovesingoodconditionandotherappropriateclothing(longsleeves,pantsandfootwear)toprotectyoufromhotsparks,moltenmetal,andslag.Don’tstrikeanarcwithoutpropereyeprotection.Groundtheweldercase.Avoidfirehazardssuchasoil,grease,andflammables.Removeallfirehazardsfromtheweldingareaforatleast35feet.Havetheproperclassoffireextinguisher(employerprovided)readyforimmediateuse.Formostwelding,acombinationextinguisher(ClassA,B,C)isbest.Formagnesiumfires,itisbesttouseaClassDfireextinguisherortocoverthefirewithsandormagnesiumfoundryflux.OSHARegulation:1926.351and1926.3521.2.Howcanwestaysafetoday?Whatwillwedoattheworksitetopreventinjuriesfromarcweldingandfirehazards?ArcWeldingandFireSafety©2017,CPWR-TheCenterforConstructionResearchandTraining.Allrightsreserved.CPWRistheresearchandtrainingarmofNorthAmerica’sBuildingTradesUnions.ProductionofthisdocumentwassupportedbycooperativeagreementOH009762fromtheNationalInstituteforOccupationalSafetyandHealth(NIOSH).ThecontentsaresolelytheresponsibilityoftheauthorsanddonotnecessarilyrepresenttheofficialviewsofNIOSH.Inspectthearcwelderbeforestartinganyoperation.Groundtheweldercase.Removeallpotentialfirehazardsfromtheweldingarea,foratleast35feet.Havetheproperclassoffireextinguisherreadyforimmediateuse.Formostwelding,acombinationextinguisher(ClassA,B,C)isbest.Formagnesiumfires,itisbesttouseaClassDfireextinguisherortocoverthefirewithsandormagnesiumfoundryflux.