1、Safety Code for Existing Elevators and Escalators Includes Requirements for Electric and Hydraulic Elevators and Escalators AN AMERICAN NATIONAL STANDARD ASME A17.3-2017 (Revision of ASME A17.3-2015)ASME A17.3-2017 (Revision of ASME A17.3-2015) Safety Code for Existing Elevators and Escalators Inclu
2、des Requirements for Electric and Hydraulic Elevators and Escalators AN AMERICAN NATIONAL STANDARD xDate of Issuance: May 23, 2018 The next edition of this Code is scheduled for publication in 2021. This Code will become effective 6 months aft er the Dat e of Issuance. ASME issues writt en replies t
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12、York, NY 10016-5990 Copyright 2018 by THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS All rights reserved Printed in U.S.A.CONTENTS Foreword . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vi Committee Roste
13、r . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . viii Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvi S
14、ummary of Changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xx Part I Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Section 1.1 Scope
15、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Section 1.2 Application of Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Section 1.3 Purpose and Exceptions .
16、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Section 1.4 Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Section 1.5 Alterations, Maintenance, and Inspections and Tests
17、. . . . . . . . . . . . . . . . . . . . . . . . . 18 Section 1.6 Reference Documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Part II Hoistways and Related Construction for Electric Elevators . . . . . . . . . . . . . . . . . . . . . 20 Sco
18、pe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Section 2.1 Hoistways . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Section 2.2 Machine Rooms and
19、 Machinery Spaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Section 2.3 Pits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Section 2.4 Clearances and Runbys . . . . . . . . . . . . . .
20、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Section 2.5 Protection of Spaces Below Hoistways . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Section 2.6 Hoistway Entrances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
21、 . . . . . . . . . . . . . . 23 Section 2.7 Hoistway-Door Locking Devices, Parking Devices, and Access . . . . . . . . . . . . . . . . . . . 25 Section 2.8 Power Operation of Doors and Gates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Part III Machinery and Equipment
22、 for Electric Elevators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Section 3.1 Buffers and Bumpers . . . . . . . . . . . . . . . . . . . . . . . . .
23、. . . . . . . . . . . . . . . . . . . . . . . . . 28 Section 3.2 Counterweights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Section 3.3 Car Frames and Platforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
24、. . . . . . . . . . 28 Section 3.4 Car Enclosures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Section 3.5 Safeties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
25、. . 31 Section 3.6 Speed Governors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Section 3.7 Capacity and Loading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Section 3.8 Driving Ma
26、chines and Sheaves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Section 3.9 Terminal Stopping Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 Section 3.10 Operating Devices and Control Equipment . . . . .
27、. . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 Section 3.11 Emergency Operation and Signaling Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 Section 3.12 Suspension Means and Their Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
28、 38 Part IV Hydraulic Elevators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Section 4.1 Hoistway, Hoistway
29、 Enclosures, and Related Construction . . . . . . . . . . . . . . . . . . . . . 41 iiiSection 4.2 Mechanical Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Section 4.3 Driving Machines . . . . . . . . . . . . . . . . . . . . . . . . . . .
30、 . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Section 4.4 Valves, Supply Piping, and Fittings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 Section 4.5 Tanks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
31、 . . . . . . . . . . . . 42 Section 4.6 Terminal Stopping Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 Section 4.7 Operating Devices and Control Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 Section 4.8 Addition
32、al Requirements for Counterweighted Hydraulic Elevators . . . . . . . . . . . . . . 43 Section 4.9 Additional Requirements for Roped-Hydraulic Elevators . . . . . . . . . . . . . . . . . . . . . . 43 Part V Escalators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
33、. . . . . . . . . . . . . . . . . 45 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 Section 5.1 Construction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
34、 . . . 45 Section 5.2 Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 Section 5.3 Operating and Safety Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 Section 5.4 Ligh
35、ting of Escalators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 Section 5.5 Entrance and Egress Ends . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 Part VI Dumbwaiters . . . . . . . . . . . . . .
36、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 Section 6.1 Hoistway, Hoistway Enclosures, and Related Construction . . . . . .
37、. . . . . . . . . . . . . . . 50 Section 6.2 Machinery and Equipment for Hand and Electric Dumbwaiters . . . . . . . . . . . . . . . . . 51 Section 6.3 Machinery and Equipment for Hydraulic Dumbwaiters . . . . . . . . . . . . . . . . . . . . . . . . 53 Part VII Hand Elevators . . . . . . . . . . . .
38、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 Section 7.1 Hoistway, Hoistway Enclosures, and Related Construction . . . . . .
39、 . . . . . . . . . . . . . . . 55 Section 7.2 Machinery and Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56 Part VIII Sidewalk Elevators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 S
40、cope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 Section 8.1 Hoistway, Hoistway Enclosures, and Machine Rooms . . . . . . . . . . . . . . . . . . . . . . . . . 58 Section 8.2 Machinery and Equipment . . . . . . . . .
41、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59 Part IX Moving Walks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
42、 . . . . . . . . . . . . . . . . . . . . 61 Section 9.1 Protection of Floor Openings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61 Section 9.2 Protection of Supports and Machine Spaces Against Fire . . . . . . . . . . . . . . . . . . . . . . 61 Section 9.
43、3 Construction Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61 Section 9.4 Entrance and Egress Ends . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 Section 9.5 Driving Machine, Motor, and Brake .
44、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 Section 9.6 Operating and Safety Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63 Section 9.7 Lighting and Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
45、. . . . . . . . . . . . . . . . . . . . . . 64 Part X Private Residence Elevators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
46、 . 65 Section 10.1 Hoistway, Hoistway Enclosures, and Related Construction . . . . . . . . . . . . . . . . . . . . . 65 Section 10.2 Cars . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 Section 10.3 Counterweights . . .
47、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 Section 10.4 Safeties and Governors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 Section 10.5 Car and Counterweight Guide Rails and Fastenin
48、gs . . . . . . . . . . . . . . . . . . . . . . . . . . 69 Section 10.6 Car and Counterweight Buffers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 ivSection 10.7 Driving Machines, Sheaves, and Their Supports . . . . . . . . . . . . . . . . . . . . . . . . . .
49、 . . . 69 Section 10.8 Terminal Stopping Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 Section 10.9 Operating Devices and Control Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 Section 10.10 Emergency Signal Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 Section 10.11 Limitation of Load, Speed, and Rise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 Section 10.12 Marking Plates . . . . . . . . . . . . . . . . . . .
