1、AN AMERICAN NATIONAL STANDARDSafety Code for Existing Elevators and EscalatorsIncludes Requirements for Electric and Hydraulic Elevators and EscalatorsASME A17.3-2005(Revision of ASME A17.3-2002)Copyright ASME International Provided by IHS under license with ASMENot for ResaleNo reproduction or netw
2、orking permitted without license from IHS-,-,-ASME A17.32005(Revision of ASME A17.32002)Safety Code forExistingElevators andEscalatorsIncludes Requirements for Electric andHydraulic Elevators and EscalatorsAN AMERICAN NATIONAL STANDARDThree Park Avenue New York, NY 10016Copyright ASME International
3、Provided by IHS under license with ASMENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-This edition was approved by the American National Standards Institute on March 29, 2005. It wasissued on September 30, 2005 and is effective as of March 31, 2006.The next editio
4、n of this Code is scheduled for publication in 2008. There will be no addenda issuedto this edition.ASME issues written replies to inquiries concerning interpretations of technical aspects of thisCode. Interpretations are published on the ASME Web site under the Committee Pages athttp:/www.asme.org/
5、codes as they are issued.ASME is the registered trademark of The American Society of Mechanical Engineers.This code was developed under procedures accredited as meeting the criteria for American National Standards. TheStandards Committee that approved the code was balanced to assure that individuals
6、 from competent and concernedinterests have had an opportunity to participate. The proposed code was made available for public review and commentthat provides an opportunity for additional public input from industry, academia, regulatory agencies, and the public-at-large.ASME does not “approve,” “ra
7、te,” 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
8、forinfringement of any applicable letters patent, nor assume any such liability. Users of a code are expressly advised thatdetermination of the validity of any such patent rights, and the risk of infringement of such rights, is entirely their ownresponsibility.Participation by federal agency represe
9、ntative(s) or person(s) affiliated with industry is not to be interpreted asgovernment or industry endorsement of this code.ASME accepts responsibility for only those interpretations of this document issued in accordance with the establishedASME procedures and policies, which precludes the issuance
10、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 10016Copyright 2005 byTHE AMERICAN
11、 SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.Copyright ASME International Provided by IHS under license with ASMENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-CONTENTSForeword viCommittee Roster . viiiPreface xiiiSummary of Changes xviPart
12、I Introduction . 11.1 Scope . 11.2 Application of Code 11.3 Purpose and Exceptions . 21.4 Definitions . 21.5 Alterations, Maintenance, and Inspections and Tests . 151.6 Reference Documents . 16Part II Hoistways and Related Construction for Electric Elevators 18Scope . 182.1 Hoistways 182.2 Machine R
13、ooms and Machinery Spaces 192.3 Pits . 202.4 Clearances and Runbys . 202.5 Protection of Spaces Below Hoistways . 202.6 Hoistway Entrances . 212.7 Hoistway Door Locking Devices, Parking Devices, and Access . 222.8 Power Operation of Doors and Gates 24Part III Machinery and Equipment for Electric Ele
14、vators . 26Scope . 263.1 Buffers and Bumpers 263.2 Counterweights . 263.3 Car Frames and Platforms 263.4 Car Enclosures 273.5 Safeties . 293.6 Speed Governors . 293.7 Capacity and Loading . 303.8 Driving Machines and Sheaves 323.9 Terminal Stopping Devices 323.10 Operating Devices and Control Equipm
15、ent 333.11 Emergency Operation and Signaling Devices 353.12 Suspension Means and Their Connections . 35Part IV Hydraulic Elevators 37Scope . 374.1 Hoistway, Hoistway Enclosures, and Related Construction . 374.2 Mechanical Equipment 374.3 Driving Machines . 374.4 Valves, Supply Piping, and Fittings 3
16、74.5 Tanks . 384.6 Terminal Stopping Devices 384.7 Operating Devices and Control Equipment 384.8 Additional Requirements for Counterweighted Hydraulic Elevators 394.9 Additional Requirements for Roped-Hydraulic Elevators . 39iiiCopyright ASME International Provided by IHS under license with ASMENot
17、for ResaleNo reproduction or networking permitted without license from IHS-,-,-Part V Escalators . 41Scope . 415.1 Construction 415.2 Brakes 425.3 Operating and Safety Devices . 425.4 Lighting of Escalators . 435.5 Entrance and Egress Ends . 43Part VI Dumbwaiters 45Scope . 456.1 Hoistway, Hoistway E
18、nclosures, and Related Construction . 456.2 Machinery and Equipment for Hand and Electric Dumbwaiters 466.3 Machinery and Equipment for Hydraulic Dumbwaiters 48Part VII Hand Elevators 50Scope . 507.1 Hoistway, Hoistway Enclosures, and Related Construction . 507.2 Machinery and Equipment 51Part VIII
19、Sidewalk Elevators 53Scope . 538.1 Hoistway, Hoistway Enclosures, and Machine Rooms 538.2 Machinery and Equipment 53Part IX Moving Walks . 56Scope . 569.1 Protection of Floor Openings 569.2 Protection of Supports and Machine Spaces Against Fire . 569.3 Construction Requirements 569.4 Entrance and Eg
20、ress Ends . 579.5 Driving Machine, Motor, and Brake . 579.6 Operating and Safety Devices . 579.7 Lighting and Access 58Part X Private Residence Elevators 59Scope . 5910.1 Hoistway, Hoistway Enclosures, and Related Construction . 5910.2 Cars 6110.3 Counterweights . 6110.4 Safeties and Governors 6210.
21、5 Car and Counterweight Guide Rails and Fastenings . 6210.6 Car and Counterweight Buffers . 6210.7 Driving Machines, Sheaves, and Their Supports 6210.8 Terminal Stopping Devices 6410.9 Operating Devices and Control Equipment 6410.10 Emergency Signal Devices 6510.11 Limitation of Load, Speed, and Ris
22、e . 6510.12 Marking Plates . 6510.13 Suspension Means 65Figures3.7.1 Inside Net Platform Areas for Passenger Elevators . 315.3.11 Caution Sign . 44Tables1.6(a) Reference Documents . 161.6(b) Procurement Information 173.7.1 Maximum Inside Net Platform Areas for the Various Rated Loads 303.12.3 Minimu
23、m Factors of Safety for Suspension Wire Ropes 36ivCopyright ASME International Provided by IHS under license with ASMENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Nonmandatory AppendicesA Distances Between Hoistway Doors and Car Doors or Gates . 67B Types of Rop
24、ed-Hydraulic Elevators . 70C A17.11987, Rules 211.3211.8 . 71D Rack and Pinion Machines (A17.11987, Rules 208.3208.9d, and Rule1200.4e) 74Index 76vCopyright ASME International Provided by IHS under license with ASMENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-(0
25、5) FOREWORDThe American Society of Mechanical Engineers (ASME) has published since 1921 a safety codefor elevators, escalators, and related equipment. The following is a brief history of how the variouseditions of this Code addressed the matter of retroactive requirements for existing installations.
26、The 1921 edition did not differentiate between new and existing installations.The second edition (1925) and third edition (1931) contained the following statements in theirIntroductions:“New and Old Installations. After the date on which the Code becomes effective, allnew construction and installati
27、ons shall conform to its provisions. Equipment installedprior to that date need not, however, be modified to conform to its rules except whererequired by the key number opposite the rule. Reference figures attached to the variousrules or paragraphs indicate when such rules or paragraphs become effec
28、tive whenapplied to existing installations as follows:Key to Index Figures(0) To be applied immediately.(1) Not to be applied to existing installations.(2) To be applied to existing installations only to the extent ordered by the administrativeauthority.(3) To be applied to existing installations wh
29、en next renewal of cables or other partsaffected is made.(6) To be applied to existing installations six months after the adoption of this Code.(12) To be applied to existing installations 1 year (12 months) after the adoption of thisCode.(24) To be applied to existing installations two years after
30、the adoption of this Code.”This practice was discontinued with the fourth edition. Quoting from ASA A17.11937:“This Edition of the Code makes no reference to the application of the individual rulesto Existing Installations, and the key numbers in the previous Edition have been omitted.This matter is
31、 left to the authorities drafting legal regulations, who are familiar with thelocal conditions. A too extensive retroactive application is not advisable in any case.The Code contains many rules intended to obviate minor hazards which can be easilyeliminated in a new installation, but the change of a
32、n existing installation might involvea financial outlay entirely out of proportion to the benefits secured.“The Sectional Committee recommends that rules for hoistway-door interlocks, car-gate contacts, hoistway limit switches, and the entire Part VI (Inspection, Maintenance,and Operation) be made a
33、pplicable to every installation already existing at the time ofthe adoption of the Code, and that provisions be made also to secure adequate under-car safeties for such installations.”This practice remained essentially unchanged through all later editions of the Code. Only therequirements for inspec
34、tion, maintenance, alteration, repair, and replacement apply retroactivelyto existing installations. Quoting from the Preface of ANSI/ASME A17.11981:“Not all of the Rules of the Code apply to equipment installed prior to its adoptionby jurisdictional authorities, but those which do apply to existing
35、 as well as to newinstallations are outlined under Scope in the Introduction.“The Code contains many Rules intended to obviate hazards which can be avoidedin new installations; but, if such Rules were made to apply to existing installations, theywould entail financial outlay out of proportion to the
36、 benefits derived.“In view of past accident experience resulting in serious injuries at hoistway and carentrances, it is recommended that, as a minimum, the Rules covering safety requirementsviCopyright ASME International Provided by IHS under license with ASMENot for ResaleNo reproduction or networ
37、king permitted without license from IHS-,-,-for hoistway and car doors in this Code be made to also apply to existing elevatorinstallations.“The accident experience on elevators has also indicated that accidents occur on theolder existing equipment, especially with a winding-drum-type machine and wh
38、ere thecar safety device and the terminal stopping devices are either absent or inadequate. Itis, therefore, recommended that adequate under-car safeties and terminal stoppingdevices be required for existing installations as well as new installations.“On the basis of experience supported by accident
39、 records, the jurisdictional authorityadopting the Code should decide on what requirements, if any, are to be applied toexisting installations.”Numerous state and local jurisdictions had taken this advice and developed their own codes forexisting installations. The need for a nationally recognized c
40、onsensus code for existing installationsbecame evident and the ASME A17 Elevator and Escalator Committee undertook the task andissued the first edition of the A17.3 Safety Code for Elevators and Escalators in 1986.The second edition of the Code incorporated the revisions in A17.3a1989 as well as add
41、itionalrevisions that appear for the first time in this edition.The third edition of the Code incorporated the changes made in A17.3a1991 and A17.3b1992as well as the revisions shown in the Summary of Changes. Part VII, Hand Elevator and PartVIII, Sidewalk Elevator, appear for the first time in this
42、 edition.The fourth edition of the Code incorporated the changes made in A17.3a1994 and A17.3b1995 as well as the revisions shown in the Summary of Changes. Part X, Private ResidenceElevators, and Nonmandatory Appendix D appear for the first time in this edition.The fifth edition of the Code incorpo
43、rates the changes made in A17.3a2000 as well as therevisions shown in the Summary of Changes.This sixth edition of the Code incorporates the changes made in A17.32002 as well as therevisions shown in the Summary of Changes.The following is a list of the final approval dates, dates of issuance, and e
44、ffective dates for theprevious editions and addenda:Editions and Addenda Approved Issued EffectiveFirst Edition ASME/ANSI A17.31986 February 12, 1986 May 30, 1986 November 30, 1986Addenda ASME/ANSI A17.3a1989 November 10, 1989 December 31, 1989 July 1, 1990Second ASME A17.31990 October 8, 1990 Decem
45、ber 31, 1990 July 1, 1991EditionAddenda ASME A17.3a1991 October 7, 1991 December 12, 1991 June 12, 1992ASME A17.3b1992 October 16, 1992 December 15, 1992 June 16, 1993Third ASME A17.31993 September 29, 1993 December 31, 1993 July 1, 1994EditionAddenda ASME A17.3a1994 August 18, 1994 November 30, 199
46、4 June 1, 1995Addenda ASME A17.3b1995 August 10, 1995 November 30, 1995 June 1, 1996Fourth ASME A17.31996 October 3, 1996 February 20, 1997 August 21, 1997EditionAddenda ASME A17.3a2000 January 7, 2000 February 29, 2000 August 30, 2000Fifth Edition ASME A17.32002 March 12, 2002 July 22, 2002 January
47、 22, 2003Sixth Edition ASME A17.32005 March 29, 2005 September 30, 2005 March 31, 2006viiCopyright ASME International Provided by IHS under license with ASMENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-ASME A17 ELEVATORAND ESCALATOR COMMITTEE(March 2004)STANDARD
48、S COMMITTEER. L. Seymour, Chair, Robert L. Seymour however,the applicable conversion factors are included for eachtable and graph. Further information on the use of SIunits is contained in ASTM E 380, Metric Practice Guide,and ASME Guide SI-1, Orientation and Guide for Useof SI (Metric) Units.Curren
49、t committee policy is to have standards pub-lished with information in the form that will best servethe needs of Code users. It is not the intent of the Codeto favor a design in SI units over one made in imperialunits, or conversely. In converting to SI units, an efforthas been made to maintain the precision of the originalvalues so t
