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OSHAOfficeofTraining Education 1 Cranes OSHAOfficeofTraining Education 2 MajorCausesofCraneAccidents ContactwithpowerlinesOverturnsFallsMechanicalfailures OSHAOfficeofTraining Education 3 Instability unsecuredload loadcapacityexceeded orgroundnotlevelortoosoftLackofcommunication thepointofoperationisadistancefromthecraneoperatorornotinfullviewoftheoperatorLackoftrainingInadequatemaintenanceorinspection HowDoAccidentsOccur OSHAOfficeofTraining Education 4 WhoisatRisk OperatorsPersonsatCraneSite OSHAOfficeofTraining Education 5 Definitions Crane ConsistsofarotatingstructureforliftingandloweringhorizontallyonrubbertiresorcrawlertreadsHoist Usedtoliftandlowerload Boom Aninclinedspar strut orotherlongmembersupportingthehoistingtackleBoomstops AdeviceusedtolimittheangleoftheboomatitshighestpositionBrake TosloworstopmotionbyfrictionorpowerBlock Sheavesorgroovedpulleysinaframewithhook eyeandstrapJib Extensionattachedtotheboompointtoprovideaddedboomlengthforliftingspecifiedloads OSHAOfficeofTraining Education 6 CraneParts OSHAOfficeofTraining Education 7 TypesofCranes MobileHydraulicOverheadGantryTower OSHAOfficeofTraining Education 8 ImproperloadratingExcessivespeedsNohandsignalsInadequateinspectionandmaintenanceUnguardedpartsUnguardedswingradius CraneHazards WorkingtooclosetopowerlinesImproperexhaustsystemShatteredwindowsNosteps guardrailswalkwaysNoboomangleindicatorNotusingoutriggers OSHAOfficeofTraining Education 9 PlanningBeforeStart Up LevelthecraneandensuresupportsurfaceisfirmandabletosupporttheloadContactpowerlineownersanddetermineprecautions Knowthelocationandvoltageofoverheadpowerlines Knowthebasiccranecapacities limitations andjobsiterestrictions suchasthelocationofpowerlines unstablesoil orhighwinds Makeotherpersonnelawareofhoistingactivities Barricadeareaswithinswingradius Ensurepropermaintenanceandinspections Determinesafeareastostorematerialsandplacemachinery OSHAOfficeofTraining Education 10 CompetentPerson Thecompetentpersonmustinspectallmachineryandequipmentpriortoeachuse andduringuse tomakesureitisinsafeoperatingcondition Ifitneedsfixing takeitoutofserviceanddon tuseituntilitisfixed BrokenTrack OSHAOfficeofTraining Education 11 LoadCapacity Speed Warnings Makesurethecraneoperatorcanseethe RatedLoadCapacitiesOperatingSpeedsSpecialHazardWarningorInstruction LoadRatingChart OSHAOfficeofTraining Education 12 KnowtheWeightoftheLoad RefertoshippingticketorotherdocumentationEnsureliftcalculationsarecorrectEnsureloadiswithinloadchartratingforboomlengthandloadradiusofcraneCraneisratedbythemaximumweightitwillliftataminimumradiusandminimumboomlength thefurtherfromitscenterpoint thelessitwilllift OSHAOfficeofTraining Education 13 LoadLimitingFactors NotlevelWindSideloadsOnitswheelsLiftingoverthesideUseofextensions jibsandotherattachmentsLimitsofwirerope slingsandliftingdevices OSHAOfficeofTraining Education 14 MobileCranes LiftingPrinciples CenterofGravityLeverageStabilityStructuralIntegrity OSHAOfficeofTraining Education 15 LoadExample 30toncrane Willlift60 000poundsat10feetfromthecenterpinofthecraneBasedonlevelsurface nowind andoutriggersfullyextendedAt25feetfromthecenterpinwithan80footboom thecapacityisonly14 950poundsAt74feetfromthecenterpin thecapacityisonly4 800pounds OSHAOfficeofTraining Education 16 ImproperLoad Improperloadsorspeedscanresultinthetippingofthecrane OSHAOfficeofTraining Education 17 ImproperLoad OSHAOfficeofTraining Education 18 ImproperLoad OSHAOfficeofTraining Education 19 Stayclearfrompowerlinesatleast10feet PowerLines OSHAOfficeofTraining Education 20 Anillustrationofthesignalsmustbepostedatthejobsite HandSignals OSHAOfficeofTraining Education 21 GuardMovingParts UnguardedChainDrive Guardmovingpartssuchasgearsorbelts OSHAOfficeofTraining Education 22 SwingRadius SwingRadius Stayoutoftheswingradiusofthecrane Makesuretherearebarrierguardsshowingswingradius OSHAOfficeofTraining Education 23 OperatorVisibility BrokenWindow Makesurebrokenwindowsorotherobstructionsdonotpreventtheoperatorfromseeing OSHAOfficeofTraining Education 24 Ladders Ladder Useladderstogettotheupperportionofthecab OSHAOfficeofTraining Education 25 Guardrails Runwaysandstepsneedtohaveguardrails handholdsandslipresistantsurfaces OSHAOfficeofTraining Education 26 SuspendedLoads Don tstandundersuspendedloads OSHAOfficeofTraining Education 27 BoomAngleIndicator Aboomangleindicatormustbeonthecrane OSHAOfficeofTraining Education 28 SupportingSurface Cranesmustbeonafirmsupportingsurfaceandlevelwithin1percent OSHAOfficeofTraining Education 29 Thegroovesmustbesmoothandfreefromsurfacedefectswhichcouldcauseropedamage Sheaves OSHAOfficeofTraining Education 30 RiggingEquipmentSlings Typesofslingsincludealloysteelchain wirerope metalmesh naturalorsyntheticfiberrope andsyntheticweb Chain Wirerope Metalmesh Synthetic OSHAOfficeofTraining Education 31 AnnualInspections InspectionofthehoistingmachinerymustbemadebyacompetentpersonTheemployermustmaintainarecordoftheseinspections Cranewasn tinspectedandtippedover OSHAOfficeofTraining Education 32 WhattoInspect CorrectairpressureandnoleaksTiresproperlyinflatedClearancefortailswingWireropewearPhysicaldamagetocraneLooseormissinghardware nuts orboltsFluidleaks OSHAOfficeofTraining Education 33 RemoveFromService Immediatelyremovedamagedordefectiveslingsfromservice OSHAOfficeofTraining Education 34 Damagedwirerope BrokenStrands Damagedwireropemustbetakenoutofservice CrushedRope OSHAOfficeofTraining Education 35 WornPart OSHAOfficeofTraining Educati
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