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ASME A17.1-2019/CSA B44:19
M00051048
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ASME A17.1-2019/CSA B44:19 Safety Code for Elevators and Escalators
standard by ASME International, 12/31/2019
Full Description
The Code is intended to serve as the basis for the design, construction, installation, operation, testing, inspection, maintenance, alteration, and repair of elevators, dumbwaiters, escalators, moving walks, and material lifts.In stock
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Safety Code for Elevators and Escalators
Includes Requirements for Elevators, Escalators, Dumbwaiters, Moving Walks, Material Lifts, and Dumbwaiters With Automatic Transfer Devices
AN A MERICAN NA TIONAL S T AND ARD
ASME A17.1-2019/CSA B44:19
(Revision of ASME A17.1-2016/CSA B44-16)
ASME A17.1-2019/CSA B44:19
(Revision of ASME A17.1-2016/CSA B44-16)
Safety Code for
Elevators and Escalators
Includes Requirements for Elevators, Escalators, Dumbwaiters, Moving Walks, Material Lifts, and Dumbwaiters With Automatic Transfer Devices
AN AMERICAN NATIONAL STANDARD
Date of Issuance: December 31, 2019
The next edition of this Code is scheduled for publication in 2022. This Code will become effective 6 months after the Date of Issuance.
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This code or standard was developed under procedures accredited as meeting the criteria for American National Standards. The Standards Committee that approved the code or standard was balanced to assure that individuals from competent and concerned interests have had an opportunity to participate. The proposed code or standard was made available for public review and comment that provides an opportunity for additional public input from industry, academia, regulatory agencies, and the public-at-large.
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ASME does not take any position with respect to the validity of any patent rights asserted in connection with any items mentioned in this document, and does not undertake to insure anyone utilizing a standard against liability for infringement of any applicable letters patent, nor assume any such liability. Users of a code or standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, is entirely their own responsibility.
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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 Two Park Avenue, New York, NY 10016-5990
Copyright © 2019 by
THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS
All rights reserved Printed in U.S.A.
CONTENTS
Foreword . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . x
ASME Committee Roster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv
CSA Committee . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxii
ASME Preface xxiii
CSA Preface xxvii
Summary of Changes xxviii
Part 1 | General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 1 |
Section 1.1 | Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 1 |
Section 1.2 | Purpose and Exceptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 2 |
Section 1.3 | Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 2 |
Part 2 | Electric Elevators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 19 |
Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 19 | |
Section 2.1 | Construction of Hoistways and Hoistway Enclosures . . . . . . . . . . . . . . . . . . . . . . . . . . | 19 |
Section 2.2 | Pits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 21 |
Section 2.3 | Location and Guarding of Counterwelghts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 23 |
Section 2.4 | Vertical Clearances and Runbys for Cars and Counterweights . . . . . . . . . . . . . . . . . . . . | 24 |
Section 2.5 | Horizontal Car and Counterweight Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 26 |
Section 2.6 | Protection of Space Below Hoistways . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 27 |
Section 2.7 | Machinery Spaces, Machine Rooms, Control Spaces, and Control Rooms . . . . . . . . . . . . | 27 |
Section 2.8 | Equipment in Hoistways, Machinery Spaces, Machine Rooms, Control Spaces, and Control Rooms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 35 |
Section 2.9 | Machinery and Sheave Beams, Supports, and Foundations . . . . . . . . . . . . . . . . . . . . . . | 38 |
Section 2.10 | Guarding of Equipment and Standard Railing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 40 |
Section 2.11 | Protection of Hoistway Openings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 40 |
Section 2.12 | Hoistway Door Locking Devices and Closed Detection Means, and Hoistway Access Switches | 48 |
Section 2.13 | Power Operation of Hoistway Doors and Car Doors . . . . . . . . . . . . . . . . . . . . . . . . . . . | 53 |
Section 2.14 | Car Enclosures, Car Doors and Gates, and Car Illumination . . . . . . . . . . . . . . . . . . . . . | 60 |
Section 2.15 | Car Frames and Platforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 70 |
Section 2.16 | Capacity and Loading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 74 |
Section 2.17 | Car and Counterweight Safeties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 78 |
Section 2.18 | Speed Governors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 81 |
Section 2.19 | Ascending Car Overspeed and Unintended Car Movement Protection . . . . . . . . . . . . . . | 85 |
Section 2.20 | Suspension Means and Their Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 87 |
Section 2.21 | Counterweights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 96 |
Section 2.22 | Buffers and Bumpers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 97 |
Section 2.23 | Car and Counterweight Guide Rails, Guide-Rail Supports, and Fastenings . . . . . . . . . . . | 100 |
Section 2.24 | Driving Machines and Sheaves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 109 |
Section 2.25 | Terminal Stopping Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 112 |
Section 2.26 | Operating Devices and Control Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 116 |
Section 2.27 | Emergency Operation and Signaling Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 127 |
Section 2.28 | Layout Drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 145 |
Section 2.29 | Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 146 |
Section 2.30 | Sway Control Guides . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 147 |
Part 3 | Hydraulic Elevators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 148 |
Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 148 | |
Section 3.1 | Construction of Hoistways and Hoistway Enclosures . . . . . . . . . . . . . . . . . . . . . . . . . . | 148 |
Section 3.2 | Pits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 148 |
Section 3.3 | Location and Guarding of Counterweights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 148 |
Section 3.4 | Bottom and Top Clearances and Runbys for Cars and Counterweights . . . . . . . . . . . . . | 148 |
Section 3.5 | Horizontal Car and Counterweight Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 149 |
Section 3.6 | Protection of Spaces Below Hoistway . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 150 |
Section 3.7 | Machinery Spaces, Machine Rooms, Control Spaces, and Control Rooms . . . . . . . . . . . . | 150 |
Section 3.8 | Electrical Equipment, Wiring, Pipes, and Ducts in Hoistway, Machinery Spaces, Machine Rooms, Control Spaces, and Control Rooms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 151 |
Section 3.9 | Machinery and Sheave Beams, Supports, and Foundations . . . . . . . . . . . . . . . . . . . . . . | 151 |
Section 3.10 | Guarding of Exposed Auxiliary Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 151 |
Section 3.11 | Protection of Hoistway Landing Openings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 151 |
Section 3.12 | Hoistway Door Locking Devices, Closed Detection Means, and Hoistway Access Switches | 151 |
Section 3.13 | Power Operation, Power Opening, and Power Closing of Hoistway Doors and Car Doors or Gates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 151 |
Section 3.14 | Car Enclosures, Car Doors and Gates, and Car Illumination . . . . . . . . . . . . . . . . . . . . . | 151 |
Section 3.15 | Car Frames and Platforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 151 |
Section 3.16 | Capacity and Loading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 152 |
Section 3.17 | Car Safeties, Counterweight Safeties, Plunger Gripper, and Governors . . . . . . . . . . . . . . | 152 |
Section 3.18 | Hydraulic Jacks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 154 |
Section 3.19 | Valves, Pressure Piping, and Fittings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 157 |
Section 3.20 | Ropes and Rope Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 160 |
Section 3.21 | Counterweights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 160 |
Section 3.22 | Buffers and Bumpers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 160 |
Section 3.23 | Guide Rails, Guide-Rail Supports, and Fastenings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 160 |
Section 3.24 | Hydraulic Machines and Tanks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 161 |
Section 3.25 | Terminal Stopping Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 161 |
Section 3.26 | Operating Devices and Control Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 162 |
Section 3.27 | Emergency Operation and Signaling Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 165 |
Section 3.28 | Layout Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 166 |
Section 3.29 | Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 166 |
Part 4 | Elevators With Other Types of Driving Machines . . . . . . . . . . . . . . . . . . . . . . . . . . | 167 |
Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 167 | |
Section 4.1 | Rack-and-Pinion Elevators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 167 |
Section 4.2 | Screw-Column Elevators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 174 |
Section 4.3 | Hand Elevators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 177 |
Part 5 | Special Application Elevators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |