ANAMERICANNATIONALSTANDARDStackerCranes(ToporUnderRunningBridge,�MultipleGirderWithTopor�UnderRunningTrolleyHoist)ASMEB30.18-2004(RevisionofASMEB30.18-1998)SafetyStandardforCableways,Cranes,Derricks,Hoists,Hooks,Jacks,andSlingsCopyrightedmateriallicensedtoStanfordUniversitybyThomsonScientific(www.techstreet.com),downloadedonOct-05-2010byStanfordUniversityUser.Nofurtherreproductionordistributionispermitted.UncontrolledwASMEB30.18-2004(RevisionofASMEB30.18-1998)StackerCranes(ToporUnderRunningBridge,MultipleGirderWithToporUnderRunningTrolleyHoist)SafetyStandardforCableways,Cranes,Derricks,Hoists,Hooks,Jacks,andSlingsANAMERICANNATIONALSTANDARDThreeParkAvenue•NewYork,NY10016CopyrightedmateriallicensedtoStanfordUniversitybyThomsonScientific(www.techstreet.com),downloadedonOct-05-2010byStanfordUniversityUser.Nofurtherreproductionordistributionispermitted.UncontrolledwDateofIssuance:November30,2004ThenexteditionofthisStandardisscheduledforpublicationin2007.Therewillbenoaddendaissuedtothisedition.ASMEissueswrittenrepliestoinquiriesconcerninginterpretationsoftechnicalaspectsofthisStandard.InterpretationsarepublishedontheASMEWebsiteundertheCommitteePagesathttp://www.asme.org/codes/astheyareissued,andwillalsobepublishedwithinthenexteditionoftheStandard.ASMEistheregisteredtrademarkofTheAmericanSocietyofMechanicalEngineers.ThiscodeorstandardwasdevelopedunderproceduresaccreditedasmeetingthecriteriaforAmericanNationalStandards.TheStandardsCommitteethatapprovedthecodeorstandardwasbalancedtoassurethatindividualsfromcompetentandconcernedinterestshavehadanopportunitytoparticipate.Theproposedcodeorstandardwasmadeavailableforpublicreviewandcommentthatprovidesanopportunityforadditionalpublicinputfromindustry,academia,regulatoryagencies,andthepublic-at-large.ASMEdoesnot“approve,”“rate,”or“endorse”anyitem,construction,proprietarydevice,oractivity.ASMEdoesnottakeanypositionwithrespecttothevalidityofanypatentrightsassertedinconnectionwithanyitemsmentionedinthisdocument,anddoesnotu...
