Case_Studies_of_Accidents_Involving_Working_at_Heights.pdfVIP专享VIP免费原创优质

YearofIssue:2017SincetheformationoftheNationalWork-at-Heights(WAH)SafetyTaskforcein2009,manyinitiativeshavebeenrolledouttoaddressWSHconcernswhilecarryingoutWAHactivities.Despiteourefforts,FallsfromHeights(FFH)continuestobethetopcontributorofallworkplacefatalinjurieseveryyear.Itisalsooneofthetopcontributorsforworkplacemajorinjuries,accountingforabout14%ofallincidenttypesbetween2012and2015.Theseinjuriesincludebrokenorfracturedbones,orevenworse,permanentdisabilities.YoumayrefertothenextpageforstatisticsonFFHworkplacefatalinjuriesoverthepast5years.WeneedtopressontoaddressthehighincidenceofFFHandthroughourstudyofpastincidents,wefoundthattheseaccidentsaresimilarinnatureandcouldhavebeenpreventedifadequatemeasuresorprocessesareinplace.Therefore,itisimportantthatwelearnfrompastaccidentstopreventre-occurrence.IampleasedtopresenttoyouthisbookletwhichistheresultofcollectiveeffortsofMinistryofManpowerandNationalWAHSafetyTaskforce.Pastconcludedfatalaccidentswerecompiledandcategorisedaccordingtoincidenttypesforeaseofreference.Throughrootcauseanalysisoftheseaccidents,causeswereexaminedandkeylearningpointsshared.IhopethelessonsandrecommendationswithinwillhelpyouinimplementingappropriateWSHmeasuresatyourworkplaces.Wealsoencourageyoutosharethesecaseswithyourcolleaguesandbusinesspartnerssothattogetherwecanpreventworkatheightsinjuriesandhavesaferworkplaces.ChowYewYuenChairman(NationalWork-at-HeightsSafety)TaskforceWorkplaceSafetyandHealthCouncilFOREWORDForewordStatisticsofFatalWorkplaceInjuriesfromFallfromHeightsvsOtherFatalAccidentTypes(2012–2016)Figure1:Fallfromheightsfatalinjuriesvsotherfatalaccidenttypes.FallfromheightsCaughtIn-betweenobjectSlips,tripsandfallsCollapseorfailureofstructureequipmentStruckbymovingobjectsConstructionOthersMarineLogisticsandtransportCleaningandlandscapemaintenanceactivitiesManufacturing161412108642014141413131099866681010Figure2:Fallfromheightsfatalinjuries(byindustry).1210864209111111111132222681011ii2012201220132014201520162013201420152016CONTENTSFOREWORDiFallfromHeightsFatalInjuriesStatistics(2012–2016)iiFAllFROmFORmWORkSTRuCTuRECase1FallTogetherWithFormworkStructure02Case2FallFromFormworkStructure05Case3FallFromFormworkStructureDuringDismantling08FAllFROmlADDERSCase4FallFromVerticalAccessLadder12Case5FallFromFixedLadder15FAllFROmROOFSCase6FallThroughRoofOpening20Case7FallThroughRoofSkylight24Case8FallOffSlopingRoof28FAllFROmSCAFFOlDCase9FallFromScaffoldDuringDismantling34Case10FallFromScaffold37FAllFROmSTRuCTuRECase11FallFromOpeningOfAHopper42Case12FallFromTopOfISOTank45Case13FallFromLiftLandingofaBuilding48Case14FallOffStorageRack51FAllFROmVEHIClECase15FallFromLorryBed56FAllFROmFORmWORkSTRuCTuREFallFromFormworkStructure02CASE1FALLTOgeTHeRWITHFORMWORkSTRuCTuReDescriptionofIncidentThedeceasedwastaskedtoinstallbarricadestotheopensidesofasystemtableformworkstructure.Whilehewasstandingontopofthetableformwork,thestructuresuddenlytoppledandfellovertheedgeofthebuilding.Thedeceasedlandedonaprotrudingslabonthesecondfloor.Hewassenttothehospitalwherehelatersuccumbedtohisinjuries.1.Locationthetableformworkstructurelanded.2.Locationdeceasedlanded.12Findingsmission•Thetableformworkwaserectedforconstructionofthebuilding’seighthstoreyfloorslab.Itwassupportedbymeansofsixverticalfloorpropswithtwoinnermostpropslashedtoanchorpointscastedwithintheslab.BackgroundTypeofindu...