17-1_Edtn_2007.pdf

AN AMERICAN NATIO NAL STANDARDSafety Code for Elevators and EscalatorsIncludes Requirements for Elevators,Escalators,Dumbwaiters,Moving Walks,Material Lifts,and Dumbwaiters With Automatic Transfer DevicesASME A17.1-2007/CSA B44-07(Revision of ASME A17.1-2004 and CSA B44-04)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.ASME A17.1-2007/CSA B44-07(Revision of ASME A17.1-2004 and CSA B44-04)Safety Code forElevators andEscalatorsIncludes Requirements forElevators,Escalators,Dumbwaiters,Moving Walks,Material Lifts,and DumbwaitersWith Automatic Transfer DevicesAN AMERICAN NATIONAL STANDARDCopyrighted 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:April 6,2007This edition of the Code is being issued with an automatic addenda subscription service.The useof an addenda allows revisions made in response to public review comments or committee actionsto be published on a regular basis;revisions published in addenda will become effective 6 monthsafter the Date of Issuance of the addenda unless noted otherwise within a given addenda.The nextedition of this Code is scheduled for publication in 2010.ASME issues written replies to inquiries concerning interpretations of technical aspects of this Code.The interpretations will be included with each edition and subsequent addenda.Interpretations arealso published on the ASME Web site under the Committee Pages at http:/cstools.asme.org as theyare issued.InquiriesshouldbeaddressedtotheAmericanSocietyofMechanicalEngineersorCanadianStandardsAssociation.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 manual was made availablefor public review and comment that provides an opportunity for additional public input 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 forinfringementofanyapplicableletterspatent,norassumeanysuchliability.Usersareexpresslyadvisedthatdeterminationof the validity of any such patent rights,and the risk of infringement of such rights,is entirely 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 Engineers(ASME)has grantedthe Canadian Standards Association(CSA)permission toreprint,repackage,and sell this Code.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.CONTENTSASME Foreword.viiiASME Committee Roster.xiiCSA Committees.xviASME Preface.xviiiCSA Preface.xxiSummary of Changes.xxiiPart 1General.11.1Scope.11.2Purpose and Exceptions.21.3Definitions.2Part 2Electric Elevators.172.1Construction of Hoistways and Hoistway Enclosures.172.2Pits.192.3Location and Guarding of Counterweights.212.4Vertical Clearances and Runbys for Cars and Counterweights.222.5Horizontal Car and Counterweight Clearances.242.6Protection of Space Below Hoistways.252.7Machinery Spaces,Machine Rooms,Control Spaces,and ControlRooms.252.8Equipment in Hoistways,Machinery Spaces,Machine Rooms,Control Spaces,and Control Rooms.332.9Machinery and Sheave Beams,Supports,and Foundations.342.10Guarding of Equipment and Standard Railing.362.11Protection of Hoistway Openings.372.12Hoistway Door Locking Devices and Electric Contacts,and HoistwayAccess Switches.452.13Power Operation of Hoistway Doors and Car Doors.492.14Car Enclosures,Car Doors and Gates