569OccupationalSafetyandHealthAdmin.,Labor§1910.180(ii)Beforestartingtohoistthefol-lowingconditionsshallbenoted:(a)Hoistropeshallnotbekinked.(b)Multiplepartlinesshallnotbetwistedaroundeachother.(c)Thehookshallbebroughtovertheloadinsuchamannerastopreventswinging.(iii)Duringhoistingcareshallbetakenthat:(a)Thereisnosuddenaccelerationordecelerationofthemovingload.(b)Theloaddoesnotcontactanyob-structions.(iv)Cranesshallnotbeusedforsidepullsexceptwhenspecificallyauthor-izedbyaresponsiblepersonwhohasdeterminedthatthestabilityofthecraneisnottherebyendangeredandthatvariouspartsofthecranewillnotbeoverstressed.(v)Whileanyemployeeisontheloadorhook,thereshallbenohoisting,lowering,ortraveling.(vi)Theemployershallrequirethattheoperatoravoidcarryingloadsoverpeople.(vii)Theoperatorshalltestthebrakeseachtimealoadapproachingtheratedloadishandled.Thebrakesshallbetestedbyraisingtheloadafewinchesandapplyingthebrakes.(viii)Theloadshallnotbeloweredbelowthepointwherelessthantwofullwrapsofroperemainonthehoist-ingdrum.(ix)Whentwoormorecranesareusedtoliftaloadonequalifiedrespon-siblepersonshallbeinchargeoftheoperation.Heshallanalyzetheoper-ationandinstructallpersonnelin-volvedintheproperpositioning,rig-gingoftheload,andthemovementstobemade.(x)Theemployershallinsurethattheoperatordoesnotleavehispositionatthecontrolswhiletheloadissus-pended.(xi)Whenstartingthebridgeandwhentheloadorhookapproachesnearoroverpersonnel,thewarningsignalshallbesounded.(4)Hoistlimitswitch.(i)Atthebegin-ningofeachoperator’sshift,theupperlimitswitchofeachhoistshallbetriedoutundernoload.Extremecareshallbeexercised;theblockshallbe‘‘inched’’intothelimitorruninatslowspeed.Iftheswitchdoesnotoper-ateproperly,theappointedpersonshallbeimmediatelynotified.(ii)Thehoistlimitswitchwhichcon-trolstheupperlimitoftraveloftheloadblockshallneverbeusedasanop-eratingcontrol.(o)Otherrequirements,general—(1)Ladders.(i)Theemployershallinsurethathandsarefreefromencumbranceswhilepersonnelareusingladders.(ii)Articleswhicharetoolargetobecarriedinpocketsorbeltsshallbelift-edandloweredbyhandline.(2)Cabs.(i)Necessaryclothingandpersonalbelongingsshallbestoredinsuchamannerasnottointerferewithaccessoroperation.(ii)Tools,oilcans,waste,extrafuses,andothernecessaryarticlesshallbestoredinthetoolbox,andshallnotbepermittedtolielooseinoraboutthecab.(3)Fireextinguishers.Theemployershallinsurethatoperatorsarefamiliarwiththeoperationandcareoffireex-tinguishersprovided.[39FR23502,June27,1974,asamendedat40FR27400,June27,1975;49FR5322,Feb.10,1984;51FR34560,Sept.29,1986;55FR32015,Aug.6,1990;61FR9239,Mar.7,1996]§1910.180Crawlerlocomotiveandtruckcranes.(a)Definitionsapplicabletothissec-tion.(1)Acrawlercraneconsistsofaro-tatingsuperstructurewithpowerplant,operatingmachinery,andboom,mountedonabase,equippedwithcrawlertreadsfortravel.Itsfunctionistohoistandswingloadsatvariousradii.(2)Alocomotivecraneconsistsofaro-tatingsuperstructurewithpower-plant,operatingmachineryandboom,mountedonabaseorcarequippedfortravelonrailroadtrack.Itmaybeself-propelledorpropelledbyanoutsidesource.Itsfunctionistohoistandswingloadsatvariousradii.(3)Atruckcraneconsistsofarotat-ingsuperstructurewithpowerplant,operatingmachineryandboom,mount-edonanautomotivetruckequippedwithapowerplantfortravel.Itsfunc-tionistohoistandswingloadsatvar-iousradii.(4)Awheelmountedcrane(wagoncrane)consistsofarotatingsu...
优质VIP
