CMAA_SPEC_74_Entire_Standard

ForElectricOverheadTravelingCranesErrataSheetCMAASpecification#74,Revised2000Note:Inallcasesthroughoutthisspecification,theupperandlowercaseofthesymbolforTauareinterchangeablesuchthatl=7.CMAASPECIFlCATIONNO.74-2000SPECBFiCATIONSFORTOPRUNGANDUNDERRUNNINGSIELECTRETRAVELINGCRUNNlNGTROLLEYHOISTThisspecificationhasbeendevelopedbytheCraneManufacturer'sAssociationofAmerica,Inc.(CMAA),anorganizationofleadingelectricoverheadtravelingcranemanufacturersintheUnitedStates,forthepurposeofpromotingstandardizationandprovidingabasisforequipmentselection.Theuseofthisspecificationshouldnotlimittheingenuityoftheindividualmanufacturerbutshouldprovideguidelinesfortechnicalprocedure.Inadditiontospecifications,thepublicationcontainsinformationwhichshouldbehelpfultothepurchasersandusersofcranesandtotheengineeringandarchitecturalprofessions.Whilemuchofthisinformationmustbeofageneralnature,theitemslistedmaybecheckedwithindividualmanufacturersandcomparisonsmadeleadingtooptimumselectionofequipment.Thesespecificationsconsistofeightsections,asfollows:74-1.GeneralSpecifications74-2.CraneClassifications74-3.StructuralDesign74-4.MechanicalDesign74-5.ElectricalEquipment74-6.InquiryDataSheetandSpeeds74-7.Glossary74-8.IndexNopartoftheseSpecificationsmaybereproducedinanyformwithoutthepriorwrittenpermissionofthepublisher.CopyrightO2000byCraneManufact~~rersAssociationofAmerica,Inc.Allrightsreserved.1CTUWER'SASSOCIATIONOFAERICA,INC.(CMAA)TheCraneManufacturer'sAssociationofAmerica,Inc.(CMAA)isanindependentincorporatedtradeassociationaffiliatedwiththeUnitedStatesDivisionofMaterialHandlingIndustry(MHI).lTEDSTATESDlVBSlOMHIprovidesCMAAwithcertainservicesand,inconnectionwiththeseSpecifications,arrangesfortheirproductionanddistribution.NeitherMHI,itsofficers,directorsoremployeeshaveanyotherparticipationinthedevelopmentandpreparationoftheinformationcontainedintheSpecifications.Allinq~iiriesconcerningtheseSpecificationsshouldbedirectedinwritingtotheChairmanoftheCMAAEngineeringCommittee,c/oCraneManufacturer'sAssociationofAmerica,Inc.,8720RedOakBlvd.,Suite201,Charlotte,NC28217.Forthequickestresponsetotechnicalquestions,useCMAAwebsite~Products~Crane~TechQuestions.cfmorwritedirectlytotheCMAAEngineeringCommittee,c/oCraneManufacturer'sAssocialtionofAmerica,Inc.,8720RedOakBlvd.,Suite201,Charlotte,NC28217.UsersoftheseSpecificationsmustrelyontheirownengineersidesignersoramanufacturerrepresentativetospecifyordesignapplicationsoruses.TheseSpecificationsareofferedasguidelines.Ifauserrefersto,orotherwiseemploys,alloranypartoftheseSpecifications,theuserisagreeingtothefollowingtermsofindemnity,warrantydisclaimer,anddisclaimerofliability.TheuseoftheseSpecificationsispermissive,notmandatory.Voluntaryuseiswithinthecontrolanddiscretionoftheuserandisnotintendedto,anddoesnotinanywaylimittheingenuity,responsibilityorprerogativeofindividualmanufacturerstodesignorproduceelectricoverheadtravelingcraneswhichdonotcomplywiththeseSpecifications.CMAAhasnolegalauthoritytorequireorenforcecompliancewiththeseSpecifications.TheseadvisorySpecificationsprovidetechnicalguidelinesfortheusertospecifyhisapplication.FollowingtheseSpecificationsdoesnotassurecompliancewithapplicablefederal,state,orlocalregulationsandcodes.TheseSpecificationsarenotbindingonanypersonanddonothavetheeffectoflaw.CMAAandMHIdonotapprove,rate,orendorsetheseSpecifications.TheydonottakeanypositionregardinganypatentrightsorcopyrightswhichcouldbeassertedwithregardtotheseSpecificationsanddonotundertaketoensureanyoneusingtheseSpecificationsagainstliabilityforinfringementofanyapplicableLettersPatent,copyrightliability,norassumeanysuchliability.UsersoftheseSpecificationsareexpresslyadvisedthatdeterminationofthevalidityofanysuchcopyrights,patentrights,andtheriskofinfringementofsuchrightsisentirelytheirownresponsibility.SANDINDEMNITYDISCLAIMEROFWARRANTY:CMAAANDMHlMAKENOWARRANTIESWHATSOEVERINCONNECTIONWITHTHESESPECIFICATIONS.THEYSPECIFICALLYDISCLAIMALLIMPLIEDWARRANTIESOFMERCHANTABILITYOROFFITNESSFORPARTICULARPURPOSE.NOWARRANTIES(EXPRESS,IMPLBED,ORSTATUTORY)AREMADEINCONNECTIONWlTHTHESESPECIFICATIONS.DISCLAIMEROFLIABILITY:USERSPECIFICALLYUNDERSTANDSANDAGREESTHATCMAA,MHI,THEIROFFBCERS,AGENTSANDEMPLOYEESSHALLNOTBELlABLEINTORTANDINCONTRACT-WHETHERBASEDOMWARRANTY,NEGLIGENCE,STRICTLIABILITY,OWANYOTHERTHEORYOFLIABILITY-FORANYACTIONORFAILURETOACTINRESPECTTOTHEDESIGN,ERECTION,INSTALLATION,MANUFACTURE,PREPARATIONFORSALE,SALE,CHARACTERISTICS,FEATURES,ORDELIVERYOFANYTH1NGCOVEREDBYTHESESPECIFICATIONS.BYREFERRlNGTO,OROTHERWISEEMPLOYBNG,THESESPECIFICATIONS,ITISTHEUSER'SINTENTANDUNDERSTANDINGTOABSOLVEANDPROTECTCMAA,MHI,THEIRSUCCESSORS,ASSIGNS,OFFICERS,AGENTS,ANDEMPLOYEESFROMANYANDALLTORT,CONTRACT,OROTHERLIABILITY.INDEMNITY:BYREFERRlNGTO,OROTHERWISEEMPLOY1NG,THESESPECIFICATIONS,THEUSERAGREESTODEFEND,PROTECT,INDEMNIFY,ANDHOLDCMAA,MHI,THEIRSUCCESSORS,ASSIGNS,OFFICERS,AGENTS,ANDEMPLOYEESHARMLESSOF,FROMANDAGAINSTALLCLAIMS,LOSSES,EXPENSES,DAMAGESANDLIABILITIES,DIRECT,INCIDENTALORCONSEQUENTIAL,ARISINGFROMUSEOFTHESESPECIFICATIONSINCLUDING