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1926.752-754SubpartRSteelErection.752SiteLayout,ErectionPlan,ConstructionSequenceApprovaltobeginsteelerection-Beforeauthorizingthestartofsteelerection,thecontrollingcontractormustensurethatthesteelerectorisprovidedwiththefollowingwrittennotifications:WrittenAuthorizationConcreteinfootings,piersorwallsmustreach75%oftheintendedminimumcompressivestrengthorsufficientstrengthtosupportloads(asapprovedbytheEngineerofRecord)Repairstoanchorboltsmustbeinaccordancewith.755(b)WrittenNotificationsAllconcreteandmasonrytestingmustbedoneinaccordancewithAmericanSocietyofTestingandManufacturing(ASTM)standardsTestingRequirementsCommencementofSteelerection-Steelerectioncontractorshallnoterectsteelunlesswrittennoticethattheconcreteinthefootings,piersandwallsormortarinthemasonrypiershasattained75%ofminimumcompressivestrengthWrittenNotificationsThecontrollingcontractorshallprovideandmaintain:AdequateaccessroadsFirm,properlygraded,drainedareareadilyaccessiblewithadequatespaceforsafestorageofmaterialsandequipmentSiteLayoutSiteLayoutSiteLayoutRoutespreplannedtoensurenoemployeerequiredtoworkunderasuspendedloadexcept:ConnectorsEmployeesresponsibleforhooking/unhookingtheloadErectionPlanSite-SpecificErectionPlan-Allowedasan“alternative”tosomespecificprovisions:1926.753(c)(5)deactivatingsafetylatches1926.757(a)(4)settingsomesteeljoists1926.757(e)(4)(i)placingbundleddeckingshallbedevelopedbyaqualifiedpersonandbeavailableDuetochangingscopefromprojecttoproject,aplanmaybegoodpracticeforALLoperations.753HoistingandRiggingIthappens…InspectionsPre-shiftvisualinspectionofcranesbyacompetentpersonMainInspectionPointsControlmechanismsDrivemechanismSafetydevicesAir&hydrauliclinesHooks&latchesWireropereevingElectricalequipmentHydraulicfluidlevelsTiresGroundconditionsLevelofequipmentLevelofequipmentaftereachmoveInspectionsTheoperatorshallberesponsibleforthoseoperationsundertheoperator'sdirectcontrol.Wheneverthereisanydoubtastosafety,theoperatorshallhavetheauthoritytostopandrefusetohandleloadsuntilsafetyhasbeenassuredInspectionsAqualifiedriggershallinspecttheriggingpriortoeachshiftCraneSupportedPlatformsCranesmayhoistemployeeswithapersonnelplatformmeetingtherequirementsof.550(g)Forsteelerectionactivities,thedeterminationof“nootherfeasiblemeans”isnolongerrequiredStillrecommended,howeverNoRidingtheBall!!!HoistingOperationsMaydeactivatesafetylatchesonhooksforsomepurlinandjoisthoistingifdoneunderanerectionplan.ThisnylonslingcouldcutWorkingUnderLoadsRoutespreplannedtoensurenoemployeerequiredtoworkunderasuspendedloadexcept:ConnectorsEmployeesresponsibleforhooking/unhookingtheloadWorkingUnderLoadsWhenworkingundersuspendedloads:Routesshallbepre-plannedMaterialsshallberiggedtopreventunintentionaldisplacementHooksshallhaveself-closinglatchesMultipleLiftRiggingProcedure(ChristmasTreeing)MultipleLiftRiggingprocedure-canbeusedonlywith:Maximumof5membersOnlystructuralmembersProperlytrainedemployeesComponentsshallbedesignedwitha5to1safetyfactorMultipleLiftRiggingProcedure(ChristmasTreeing)TotalloadshallnotexceedtheratedcapacityofthehoistingorriggingequipmentRiggingassemblyshallberiggedwiththemembersattachedattheircenterofgravityandmaintainedreasonablylevel;riggedfromthetopdown;riggedatleast7ftapartMultipleLiftRiggingProcedure(ChristmasTree...

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