Transcription of Cranes and Hoists - Ace Workplace Training
1 Cranes andHoistsElevatingWorkPlatformsASSESSMEN TP erformancePart1 Part2 Oral/WrittenJune1995 Name:Assessmentdate&time:Assessmentsaddr ess: Box equipmentmustbewornatalltimesbytheperson workinginthebasketofaEWP? AllpersonsworkinginthebasketofaEWPmust wearasafetyharness(withtrainingonhowitis tobeworncorrectly,storedandmaintained). ,respirators(tosuitthe taskbeingperformed). importanttoconsultwithrelevantworkplace personnel/OHSofficers,beforecommencingwo rkonsites?To ensurethattheEWPoperatoris awareofanyworkplacerules andprocedures,developedinthatworkplace the importanceofco-operatingwithworkplacerul es andprocedures?Theimportanceorco-operatio nwithrelevantstatutoryandworkplacerules andproceduresisinlinewith theobligations andduty ofcare Owners anoperationalplanforan EWP?
2 Job requirements, priorities,workplacerulesandprocedures, includedintheplanfortheelevationprocedur es?Ahazardcontrolstrategyplanshalladdres s thefollowingareas:- ;powerlines;obstructionsintheworkingradi usoftheboom,trees,scaffold,ladders; beobservedwhenworkingnearoverheadpowerli nes?Neverworkcloser theEWPiscorrectlyearthedand thatbarriers/barricades areerectedaround aroundthework (i)Whatis theminimumdistanceaEWPis allowedto set-upnearoverheadpowerlines? 10metresfortransmissionlines(VICTORIAONL Y)(ii)Ifyouwanttoworkcloserthanthesedist anceswhatcanyou do? youdeterminetheallowableloadoftheEWP?Bya dding weightofthegearandtoolsandpersonnel anEWP,whatprecautionsmustbeobservedwheno perating theEWPnearsurroundingbuildings?
3 Startnearadjoiningbuilding,thatwayworkwi llalwaysproceed ,ensure theydonotenterwindowsorin-takeregistersf orbuildings outside theEWPplannedworkingradius. an EWP onasuspendedfloorofabuilding,whatmustthe operatorensurepriortoundertakingthiswork ? mayberequiredintheworkplacetosubmitawork methodstatementpriortooperating13.(i)Can anEWPworkoverthetopofthe workplacefacilities(suchascribsheds,toil et,offices,firstaidfacilities).Yes,ifnec essaryprovide toa minimum.(ii)Whatprecautionsmust beobservedpriortoitsoperation?Provideany necessaryfencing/barricades;inanareabene aththeEWP sbasketandensureanalternative access/exit (wherepracticaluselanyards).14.(i)CananE WPbesetupandworkoverrecentlybackfilled soil?
4 TothesettingupoftheEWP.(ii)Iftheoutrigge r/stabiliserissetonsoftorunstable soil,whatmusttheoperatordo?Iftherearenoo theralternatives,suchasrelocatingtheEWPo rcompactingtheground,pig-stypacking,stee lplatesorsleepermatscanbeplacedbeneathou triggers/stabilisers outbya electrical,water,gas,sewer, telephonehaveany effectonthepositioningoftheEWP? theoutrigger/stabiliserlegcancausedamage toanyundergroundservicesand/orgroundcoll apsewhichcouldcause onsteelplates,sleepermats EWPbesetupnexttoopentrenchesorexcavation s?Whatgeneralrule/principlewouldapplyreg ardingsafedistances?(Note:Thisrulemaynot beapplicabletoallsoiltypes). toanexcavationastheweightoftheEWPcausesa ddedpressure totheadjoiningsoilandcancausetheexcavati onto collapse ,thedistanceoftheEWPfromtheedge oftheexcavationshouldbe at leastthesameas onemetrefromtheedge(1:1).
5 The basketofaEWP,whatprecautionsmustbeobserv ed?Avoidhavingdifferentclassesofhazardou ssubstancesinthebasketatthesame sheets(MSDS) appropriatePPEwhenusingandhandlinghazard oussubstances (thisinformationcanbefoundinthe MSDS). aworkmate whoisworkingaboveintheEWP' would youdo?Callout;ifthepersonfailstoanswer,b ringtheplatformdownusing youataworksite?Theoperatorsshouldmakethe mselvesaware ofthepositionand windspeedwouldyouceaseoperation ofan EWP?Aspermanufacturer'sspecifications providedforEWP operationsworking atnightorin darkenedareas?Thereshouldbesufficientlig hting work takeslongerthanexpectedandnaturallightin gisfading,whatsteps/actionshould youtake?Attheinstancewherenaturallightin ghasfaded tothepointwhereitisunsafetooperatetheEWP , ,whatstepsmust betakentoassessthe situationandifappropriatetoimprovetheloa ddistributionundertheEWP?
6 Assessmentofgroundconditionsshallbe ,matsontimberpadsor evenconcrete raftswillassistindistributing workingtheEWPwhenyounoticethemachine seems tobeleaning do?Lowertheplatformtotheground,checktheo utriggers/stabilisers level,clearsiteadjoininga buildinghas twofloorsofcarparkbelowgroundlevel,whath azardcanarise whenworkingclosetothe building? shouldbeobviousthatthegroundabuttingtheo uterwallofthebuildinghasbeenfilled,wheth erithas (tampering)isidentified,towhomshouldtheE WP driverreportanyfaults? tocomeintocontactwiththepowerlines,whatm ust bedone? moveEWPawayfromconductorsusingbasket , (tochecklines)Machinecheckedpriortofutur euse. shouldyou do? workingatheights s arefittedwith an hydraulicaccumulatorwhichwouldgiveenough pressuretoslewifneeded, s ,therearehydraulic bleedvalveswhichcanbeusedforemergencylow ering,thereis emergencydescentdevicesmaybepresentwhich arefitted areonly tobeusedinextremeemergencycases.
7 , vehicles arenot fittedwithoutriggers/stabilisershowareth eykeptstablewhenworking?Somearefittedwit hspringlockouts; the function of"deadman"control?The"deadman"functiona ctsasa safetydevice-nofunctionwilloperateunless it youusethe"deadman"controlasameansofstopp ingamovement?No,not innormalusebutifmovement sfailsto stopwhenthecontrollerisbroughttoneutralt he"deadman"controlcanbereleased to atthe base?Incase ofemergency,sothatthebasecontrolscanbeus edtooverridethebasket basket?Theyshouldbeplacedinafixed orremovablebox/basketandnot laying ontheflooroftheEWP' (i)Oncompletion ofataskwhereshouldalltoolsandassociate gearbestowed?Theyshouldbestowed/storedin adesignatedbox/cage.(ii)Why? (EDD)procedureinsequence(where fitted).
8 Release ,torelease :Ensurenopersonsarebeneaththeboomandpart icularly "Dring" andclimbtothe outside ,theotherhandto steadyyourself byholdingontothebasket,slowly basketandtransferhandfrombasketto :Thehandholding the tailoftheropebelowtheEDDshouldholdropeup theropetorunslowlythroughyourhandsasyoul oweryourself :Bychanging theangleatwhichthe ;agroundattendant canhalttheprogressofapersonescapingviath eEDDbygentlypulling assistanceshouldbeprovidedinanemergency andparticulariftheescapingperson hasbeeninjured. failureofcontrolswhenworkingatamaximumhe ight,whatwould you do? thismethodisnotpossible, ,whathas theEWPdriverfailedtodopriortocommencingw ork? Failed toassessproperly to tousepackingunder outriggers/levellers todistributeloadovera ,what shouldbedonetoremedy thisproblem?
9 Requestassistancefroma competentpersonregardinggroundconditionR elocateEWPifpossible;orRelocatepig-stypa cking,sleepers,etctogiveagreater fittedandoperationison do? thesideofahill? only10-20it EWPupahillshouldtheboom andbasket befacingupthehillordownthehill? EWPwiththeboom elevatedwhatspeedwould youtravelat?At creeping logbookreport?Visualchecks:- Note:Checkallhydraulic ramsandlines, , , workingbut feeltheplatformdropslightly,whatwould youdo?Ceaseworkimmediatelyandcheck beconsideredwhensecuringand stowingoutriggers? Whenstowing outriggers/levellersitmustbeasperthemanu facturers in(ifapplicablewithcorrectpins). oncarrier orplacein aplacewhere theydonocauseaproblemfor access.