0-18_Edtn_2004.pdf

AN AMERICA N NATIO NA L STA NDA RDStacker Cranes(Top or Under Running Bridge,?Multiple Girder With Top or?Under Running Trolley Hoist)ASME B30.18-2004(Revision of ASME B30.18-1998)Safety Standard for Cableways,Cranes,Derricks,Hoists,Hooks,Jacks,and SlingsCopyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.ASME B30.18-2004(Revision of ASME B30.18-1998)Stacker Cranes(Top or Under Running Bridge,Multiple Girder With Top orUnder Running Trolley Hoist)Safety Standard for Cableways,Cranes,Derricks,Hoists,Hooks,Jacks,and SlingsAN AMERICAN NATIONAL STANDARDThree Park Avenue New York,NY 10016Copyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.Date of Issuance:November 30,2004The next edition of this Standard is scheduled for publication in 2007.There will be no addendaissued to this edition.ASME issues written replies to inquiries concerning interpretations of technical aspects of thisStandard.Interpretations are published on the ASME Web site under the Committee Pages at http:/www.asme.org/codes/as they are issued,and will also be published within the next edition of theStandard.ASME is the registered trademark of The American Society of Mechanical Engineers.This code or standard was developed under procedures accredited as meeting the criteria for American NationalStandards.The Standards Committee that approved the code or standard was balanced to assure that individuals fromcompetent and concerned interests have had an opportunity to participate.The proposed code or standard was madeavailable forpublic review andcomment thatprovides an opportunityfor additional publicinput from industry,academia,regulatory agencies,and the public-at-large.ASME does not“approve,”“rate,”or“endorse”any item,construction,proprietary device,or activity.ASME does not take any position with respect to the validity of any patent rights asserted in connection with anyitems mentioned in this document,and does not undertake to insure anyone utilizing a standard against liability forinfringement of any applicable letters patent,nor assume any such liability.Users of a code or standard are expresslyadvised that determination of the validity of any such patent rights,and the risk of infringement of such rights,isentirely their own responsibility.Participation by federal agency representative(s)or person(s)affiliated with industry is not to be interpreted asgovernment or industry endorsement of this code or standard.ASME accepts responsibility for only those interpretations of this document issued in accordance with the establishedASME procedures and policies,which precludes the issuance of interpretations by individuals.No part of this document may be reproduced in any form,in an electronic retrieval system or otherwise,without the prior written permission of the publisher.The American Society of Mechanical EngineersThree Park Avenue,New York,NY 10016-5990Copyright 2004 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.Copyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.CONTENTSForeword.ivCommittee Roster.vIntroduction.viSummary of Changes.ixChapter 18-0Scope,Definitions,and References.1Section 18-0.1Scope of B30.18.1Section 18-0.2Definitions.1Section 18-0.3References to Other Codes and Standards.6Chapter 18-1General Construction and Installation.8Section 18-1.1Marking.8Section 18-1.2Clearances.8Section 18-1.3General Construction Runways and Supporting Structures.8Section 18-1.4Stacker Crane Construction.9Section 18-1.5Cabs.9Section 18-1.6Footwalks and Ladders.9Section 18-1.7Stops,Bumpers,Rail Sweeps,and Guards.10Section 18-1.8Brakes.11Section 18-1.9Electrical Equipment.12Section 18-1.10Hoisting Equipment.13Section 18-1.11Warning Devices.14Section 18-1.12Lubrication.14Chapter 18-2Inspection,Testing,and Maintenance.15Section 18-2.1Inspection.15Section 18-2.2Testing.16Section 18-2.3Maintenance.16Section 18-2.4Rope Inspection,Replacement,and Maintenance.17Chapter 18-3Operation.19Section 18-3.1Qualifications for and Conduct of Operators.19Section 18-3.2Handling the Load.20Section 18-3.3Miscellaneous.21Figures1Cab-Operated Stacker Crane.22Floor-Operated Stacker Crane.33Underhung Stacker Crane Movement.4iiiCopyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.FOREWORDThis American National Standard,Safety Standard for Cableways,Cranes,Derricks,Hoists,Hooks,Jacks,and Slings,has been developed under th