0-17_Edtn_2006.pdf

AN AMERICAN NATIO NAL STANDARDOverhead and Gantry Cranes(Top Running Bridge,Single Girder,Underhung Hoist)ASME B30.17-2006(Revision of ASME B30.17-2003)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 B30.17-2006(Revision of ASME B30.17-2003)Overhead and GantryCranes(Top RunningBridge,Single Girder,Underhung 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:February 12,2007The next edition of this Standard is scheduled for publication in 2009.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 athttp:/cstools.asme.org 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 2007 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.vCommittee Roster.viB30 Standard Introduction.viiiSummary of Changes.xiChapter 17-0Scope,Definitions,and References.1Section 17-0.1Scope of B30.17.1Section 17-0.2Definitions.1Section 17-0.3References.6Chapter 17-1General Construction and Installation.8Section 17-1.1Markings.8Section 17-1.2Clearances.8Section 17-1.3General Construction Runways and Supporting Structure.9Section 17-1.4Crane Construction.9Section 17-1.5Cabs Normal or Skeleton(If Provided).9Section 17-1.6Lubrication.10Section 17-1.7Service Platforms(Footwalks).10Section 17-1.8Stops and Bumpers.11Section 17-1.9Bridge Rail Sweeps.11Section 17-1.10Guards for Moving Parts.11Section 17-1.11Wheel and Truck Frames.12Section 17-1.12Brakes and Braking Means.12Section 17-1.13Electrical Equipment.12Section 17-1.14Hoisting Equipment.17Section 17-1.15Warning Devices for Cranes With Power Traveling Mechanism.17Chapter 17-2Inspection,Testing,and Maintenance.18Section 17-2.1Inspection.18Section 17-2.2Testing.19Section 17-2.3Maintenance.19Section 17-2.4Chain and Rope Inspection,Replacement,and Maintenance.20Chapter 17-3Operation.21Section 17-3.1Qualifications for and Conduct of Operators.21Section 17-3.2Handling the Load.22Section 17-3.3Signals.23Section 17-3.4Miscellaneous.25Section 17-3.5Crane Lockout/Tagout.25Figures1Overhead Cab-Operated Crane.32Cantilever Gantry Crane.33Overhead Floor-Operated Crane.44Gantry Crane.45Semigantry Crane.56Recommended Arrangement of Controllers or Master Switches(3-Motor Crane).147Recommended Arrangement of Controllers or Master Switches(4-