ASME A17 3-2008 Safety Code for Existing Elevators and Escalators (A17 3 - 2008)《现有升降机和自动扶梯的安全规程》.pdf

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1、Safety Code for Existing Elevators and EscalatorsAN AMERICAN NATIONAL STANDARDASME A17.3-2008(Revision of ASME A17.3-2005)Includes Requirements for Electric and Hydraulic Elevators and EscalatorsCopyright ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or net

2、working permitted without license from IHS-,-,-ASME A17.3-2008(Revision of ASME A17.3-2005)Safety Code forExistingElevators andEscalatorsIncludes Requirements forElectric and Hydraulic Elevatorsand EscalatorsAN AMERICAN NATIONAL STANDARDCopyright ASME International Provided by IHS under license with

3、 ASME Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-Date of Issuance: January 9, 2009The next edition of this Code is scheduled for publication in 2011. There will be no addenda issuedto this edition.ASME issues written replies to inquiries concerning interpretat

4、ions of technical aspects of thisCode. The interpretations will be included with each edition. Interpretations are also published onthe ASME Web site under the Committee Pages at http:/cstools.asme.org as they are issued.ASME is the registered trademark of The American Society of Mechanical Engineer

5、s.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 from competent and concernedinterests have had an opportunity to participate. The proposed code was mad

6、e 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,” “rate,” or “endorse” any item, construction, proprietary device, or activity.ASME does not take any positio

7、n 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 are exp

8、ressly 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 representative(s) or person(s) affiliated with industry is not to be interpreted asgovernment or industry endor

9、sement 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 of interpretations by individuals.No part of this document may be reproduced in any form,in an electroni

10、c retrieval system or otherwise,without the prior written permission of the publisher.The American Society of Mechanical EngineersThree Park Avenue, New York, NY 10016Copyright 2009 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.Copyright ASME International Provide

11、d by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-CONTENTSForeword viCommittee Roster . viiiPreface xiiSummary of Changes xvPart I Introduction 11.1 Scope . 11.2 Application of Code 11.3 Purpose and Exceptions . 21.4 Definitions . 21.

12、5 Alterations, Maintenance, and Inspections and Tests . 171.6 Reference Documents . 17Part II Hoistways and Related Construction for Electric Elevators. 20Scope . 202.1 Hoistways 202.2 Machine Rooms and Machinery Spaces 212.3 Pits . 222.4 Clearances and Runbys . 222.5 Protection of Spaces Below Hois

13、tways . 222.6 Hoistway Entrances . 232.7 Hoistway Door Locking Devices, Parking Devices, and Access . 242.8 Power Operation of Doors and Gates 26Part III Machinery and Equipment for Electric Elevators 28Scope . 283.1 Buffers and Bumpers 283.2 Counterweights . 283.3 Car Frames and Platforms 283.4 Car

14、 Enclosures 293.5 Safeties . 313.6 Speed Governors . 323.7 Capacity and Loading . 323.8 Driving Machines and Sheaves 343.9 Terminal Stopping Devices 353.10 Operating Devices and Control Equipment 353.11 Emergency Operation and Signaling Devices 373.12 Suspension Means and Their Connections . 38Part

15、IV Hydraulic Elevators . 40Scope . 404.1 Hoistway, Hoistway Enclosures, and Related Construction . 404.2 Mechanical Equipment 404.3 Driving Machines . 404.4 Valves, Supply Piping, and Fittings 404.5 Tanks . 414.6 Terminal Stopping Devices 414.7 Operating Devices and Control Equipment 414.8 Additiona

16、l Requirements for Counterweighted Hydraulic Elevators 424.9 Additional Requirements for Roped-Hydraulic Elevators . 42iiiCopyright ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-Part V Escalators . 44Scop

17、e . 445.1 Construction 445.2 Brakes 455.3 Operating and Safety Devices . 455.4 Lighting of Escalators . 465.5 Entrance and Egress Ends . 46Part VI Dumbwaiters. 49Scope . 496.1 Hoistway, Hoistway Enclosures, and Related Construction . 496.2 Machinery and Equipment for Hand and Electric Dumbwaiters 50

18、6.3 Machinery and Equipment for Hydraulic Dumbwaiters 52Part VII Hand Elevators . 54Scope . 547.1 Hoistway, Hoistway Enclosures, and Related Construction . 547.2 Machinery and Equipment 55Part VIII Sidewalk Elevators . 57Scope . 578.1 Hoistway, Hoistway Enclosures, and Machine Rooms 578.2 Machinery

19、and Equipment 57Part IX Moving Walks 60Scope . 609.1 Protection of Floor Openings 609.2 Protection of Supports and Machine Spaces Against Fire . 609.3 Construction Requirements 609.4 Entrance and Egress Ends . 619.5 Driving Machine, Motor, and Brake . 619.6 Operating and Safety Devices . 619.7 Light

20、ing and Access 62Part X Private Residence Elevators . 63Scope . 6310.1 Hoistway, Hoistway Enclosures, and Related Construction . 6310.2 Cars 6510.3 Counterweights . 6510.4 Safeties and Governors 6610.5 Car and Counterweight Guide Rails and Fastenings . 6610.6 Car and Counterweight Buffers . 6610.7 D

21、riving Machines, Sheaves, and Their Supports 6610.8 Terminal Stopping Devices 6810.9 Operating Devices and Control Equipment 6810.10 Emergency Signal Devices 6910.11 Limitation of Load, Speed, and Rise . 6910.12 Marking Plates . 6910.13 Suspension Means 69Figures3.7.1 Inside Net Platform Areas for P

22、assenger Elevators . 335.3.11 Caution Sign . 47Tables1.6(a) Reference Documents . 181.6(b) Procurement Information 193.7.1 Maximum Inside Net Platform Areas for the Various Rated Loads 333.12.3 Minimum Factors of Safety for Suspension Wire Ropes 39ivCopyright ASME International Provided by IHS under

23、 license with ASME Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-Nonmandatory AppendicesA Distances Between Hoistway Doors and Car Doors or Gates . 71B Types of Roped-Hydraulic Elevators . 76C A17.11987, Rules 211.3211.8 . 77D Rack and Pinion Machines (A17.11987,

24、 Rules 208.3208.9d, and Rule1200.4e) 80Index 82vCopyright ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-(08) FOREWORDThe American Society of Mechanical Engineers (ASME) has published since 1921 a safety c

25、odefor 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.The 1921 edition did not differentiate between new and existing installations.The second edition (

26、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 installations shall conform to its provisions. Equipment installedprior to that date need not, however, be m

27、odified 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 effective whenapplied to existing installations as follows:Key to Index Figures(0) To be applied immedi

28、ately.(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 when next renewal of cables or other partsaffected is made.(6) To be applied to existing installatio

29、ns 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 the adoption of this Code.”This practice was discontinued with the fourth edition. Quoting from AS

30、A 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 left to the authorities drafting legal regulations, who are familiar with thelocal conditions. A

31、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 an existing installation might involvea financial outlay entirely out of proportion to the benefits

32、 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 applicable to every installation already existing at the time ofthe adoption of the Code, and that

33、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 inspection, maintenance, alteration, repair, and replacement apply retroactivelyto existing installation

34、s. 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 as well as to newinstallations are outlined under Scope in the Introduction.“The Code contains ma

35、ny 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 benefits derived.“In view of past accident experience resulting in serious injuries at hoistway a

36、nd carentrances, it is recommended that, as a minimum, the Rules covering safety requirementsviCopyright ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-for hoistway and car doors in this Code be made to al

37、so 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 where thecar safety device and the terminal stopping devices are either absent or inadequate. Itis,

38、 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 records, the jurisdictional authorityadopting the Code should decide on what requirements, if an

39、y, 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 consensus code for existing installationsbecame evident and the ASME A17 Elevator and Escalator Co

40、mmittee 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 additionalrevisions that appear for the first time in this edition.The third edition of the Code inc

41、orporated 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 edition.The fourth edition of the Code incorporated the changes made in A17.3a1994 and A17.3b199

42、5 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 incorporates the changes made in A17.3a2000 as well as therevisions shown in the Summary of Changes.This

43、 sixth edition of the Code incorporates the changes made in A17.32002 as well as therevisions shown in the Summary of Changes.The seventh edition of the Code incorporates the changes made in A17.32005 as well as therevisions shown in the Summary of Changes.The following is a list of the final approv

44、al dates, dates of issuance, and effective 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 AS

45、ME A17.31990 October 8, 1990 December 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 A17.3a199

46、4 August 18, 1994 November 30, 1994 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 Ma

47、rch 12, 2002 July 22, 2002 January 22, 2003Sixth Edition ASME A17.32005 March 29, 2005 September 30, 2005 March 31, 2006Seventh ASME A17.3-2008 July 16, 2008 January 9, 2009 July 9, 2009EditionviiCopyright ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or ne

48、tworking permitted without license from IHS-,-,-ASME A17 ELEVATORAND ESCALATOR COMMITTEE(May 2008)STANDARDS COMMITTEEJ. W. Coaker, ChairN. B. Martin, Vice ChairH. E. Peelle, Vice ChairG. A. Burdeshaw, Staff SecretaryE. V. Baker, NEIEPR. E. Baxter, Richard E. Baxter however,the applicable conversion

49、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.Current committee policy is to have standards pub-lished with information in the form that will best servethe needs of Code users.