Safety Code for Elevators and Escalators · 2020-02-13 · Elevators and Escalators Includes...

Safety Code for Elevators and EscalatorsIncludes Requirements for Elevators, Escalators, Dumbwaiters, Moving Walks, Material Lifts, and Dumbwaiters With Automatic Transfer Devices

A N A M E R I C A N N A T I O N A L S T A N D A R D

ASME A17.1-2019/CSA B44:19(Revision of ASME A17.1-2016/CSA B44-16)

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ASME A17.1-2019/CSA B44:19(Revision of ASME A17.1-2016/CSA B44-16)

Safety Code forElevators andEscalatorsxIncludes Requirements for Elevators,Escalators, Dumbwaiters, MovingWalks, Material Lifts, and DumbwaitersWith Automatic Transfer Devices

AN AMERICAN NATIONAL STANDARD

x



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 ofIssuance.

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Copyright © 2019 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERS

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CONTENTS

Foreword . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . x

ASME Committee Roster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv

CSA Committee . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxii

ASME Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxiii

CSA Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxvii

Summary of Changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxviii

Part 1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1Section 1.1 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1Section 1.2 Purpose and Exceptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2Section 1.3 Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2Part 2 Electric Elevators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19Section 2.1 Construction of Hoistways and Hoistway Enclosures . . . . . . . . . . . . . . . . . . . . . . . . . . 19Section 2.2 Pits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21Section 2.3 Location and Guarding of Counterwelghts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23Section 2.4 Vertical Clearances and Runbys for Cars and Counterweights . . . . . . . . . . . . . . . . . . . . 24Section 2.5 Horizontal Car and Counterweight Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26Section 2.6 Protection of Space Below Hoistways . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27Section 2.7 Machinery Spaces, Machine Rooms, Control Spaces, and Control Rooms . . . . . . . . . . . . 27Section 2.8 Equipment in Hoistways, Machinery Spaces, Machine Rooms, Control Spaces, and Control

Rooms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35Section 2.9 Machinery and Sheave Beams, Supports, and Foundations . . . . . . . . . . . . . . . . . . . . . . 38Section 2.10 Guarding of Equipment and Standard Railing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40Section 2.11 Protection of Hoistway Openings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40Section 2.12 Hoistway Door Locking Devices and Closed Detection Means, and Hoistway Access Switches 48Section 2.13 Power Operation of Hoistway Doors and Car Doors . . . . . . . . . . . . . . . . . . . . . . . . . . . 53Section 2.14 Car Enclosures, Car Doors and Gates, and Car Illumination . . . . . . . . . . . . . . . . . . . . . 60Section 2.15 Car Frames and Platforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70Section 2.16 Capacity and Loading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74Section 2.17 Car and Counterweight Safeties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78Section 2.18 Speed Governors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81Section 2.19 Ascending Car Overspeed and Unintended Car Movement Protection . . . . . . . . . . . . . . 85Section 2.20 Suspension Means and Their Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87Section 2.21 Counterweights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96Section 2.22 Buffers and Bumpers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97Section 2.23 Car and Counterweight Guide Rails, Guide-Rail Supports, and Fastenings . . . . . . . . . . . 100Section 2.24 Driving Machines and Sheaves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109Section 2.25 Terminal Stopping Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112

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Section 2.26 Operating Devices and Control Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116Section 2.27 Emergency Operation and Signaling Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127Section 2.28 Layout Drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145Section 2.29 Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146Section 2.30 Sway Control Guides . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147Part 3 Hydraulic Elevators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148

Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148Section 3.1 Construction of Hoistways and Hoistway Enclosures . . . . . . . . . . . . . . . . . . . . . . . . . . 148Section 3.2 Pits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148Section 3.3 Location and Guarding of Counterweights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148Section 3.4 Bottom and Top Clearances and Runbys for Cars and Counterweights . . . . . . . . . . . . . 148Section 3.5 Horizontal Car and Counterweight Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149Section 3.6 Protection of Spaces Below Hoistway . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150Section 3.7 Machinery Spaces, Machine Rooms, Control Spaces, and Control Rooms . . . . . . . . . . . . 150Section 3.8 Electrical Equipment, Wiring, Pipes, and Ducts in Hoistway, Machinery Spaces, Machine

Rooms, Control Spaces, and Control Rooms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151Section 3.9 Machinery and Sheave Beams, Supports, and Foundations . . . . . . . . . . . . . . . . . . . . . . 151Section 3.10 Guarding of Exposed Auxiliary Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151Section 3.11 Protection of Hoistway Landing Openings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151Section 3.12 Hoistway Door Locking Devices, Closed Detection Means, and Hoistway Access Switches 151Section 3.13 Power Operation, Power Opening, and Power Closing of Hoistway Doors and Car Doors or

Gates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151Section 3.14 Car Enclosures, Car Doors and Gates, and Car Illumination . . . . . . . . . . . . . . . . . . . . . 151Section 3.15 Car Frames and Platforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151Section 3.16 Capacity and Loading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152Section 3.17 Car Safeties, Counterweight Safeties, Plunger Gripper, and Governors . . . . . . . . . . . . . . 152Section 3.18 Hydraulic Jacks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154Section 3.19 Valves, Pressure Piping, and Fittings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157Section 3.20 Ropes and Rope Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160Section 3.21 Counterweights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160Section 3.22 Buffers and Bumpers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160Section 3.23 Guide Rails, Guide-Rail Supports, and Fastenings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160Section 3.24 Hydraulic Machines and Tanks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161Section 3.25 Terminal Stopping Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161Section 3.26 Operating Devices and Control Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162Section 3.27 Emergency Operation and Signaling Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165Section 3.28 Layout Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166Section 3.29 Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166Part 4 Elevators With Other Types of Driving Machines . . . . . . . . . . . . . . . . . . . . . . . . . . 167

Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167Section 4.1 Rack-and-Pinion Elevators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167Section 4.2 Screw-Column Elevators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174Section 4.3 Hand Elevators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177Part 5 Special Application Elevators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181

Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181Section 5.1 Inclined Elevators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181

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Section 5.2 Limited-Use/Limited-Application Elevators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187Section 5.3 Private Residence Elevators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192Section 5.4 Private Residence Inclined Elevators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203Section 5.5 Power Sidewalk Elevators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206Section 5.6 Rooftop Elevators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 210Section 5.7 Special Purpose Personnel Elevators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213Section 5.8 Marine Elevators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220Section 5.9 Mine Elevators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221Section 5.10 Elevators Used for Construction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225Section 5.11 Wind Turbine Tower Elevators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 230Section 5.12 Outside Emergency Elevators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 230Part 6 Escalators and Moving Walks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231

Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231Section 6.1 Escalators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231Section 6.2 Moving Walks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244Part 7 Dumbwaiters and Material Lifts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257

Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257Section 7.1 Power Dumbwaiters Without Automatic Transfer Devices . . . . . . . . . . . . . . . . . . . . . . 257Section 7.2 Electric Dumbwaiters Without Automatic Transfer Devices . . . . . . . . . . . . . . . . . . . . . 262Section 7.3 Hydraulic Dumbwaiters Without Automatic Transfer Devices . . . . . . . . . . . . . . . . . . . . 268Section 7.4 Material Lifts Without Automatic Transfer Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . 269Section 7.5 Electric Material Lifts Without Automatic Transfer Devices . . . . . . . . . . . . . . . . . . . . . 273Section 7.6 Hydraulic Material Lifts Without Automatic Transfer Devices . . . . . . . . . . . . . . . . . . . . 279Section 7.7 Automatic Transfer Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280Section 7.8 Power Dumbwaiters With Automatic Transfer Devices . . . . . . . . . . . . . . . . . . . . . . . . 281Section 7.9 Electric Material Lifts With Automatic Transfer Devices . . . . . . . . . . . . . . . . . . . . . . . . 281Section 7.10 Hydraulic Material Lifts With Automatic Transfer Devices . . . . . . . . . . . . . . . . . . . . . . 283Part 8 General Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 284

Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 284Section 8.1 Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 284Section 8.2 Design Data and Formulas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 285Section 8.3 Engineering Tests, Type Tests, and Certification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 304Section 8.4 Elevator Seismic Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 315Section 8.5 Escalator and Moving Walk Seismic Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . 342Section 8.6 Maintenance, Repair, Replacement, and Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 345Section 8.7 Alterations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 371Section 8.8 Welding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 397Section 8.9 Code Data Plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 397Section 8.10 Acceptance Inspections and Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 398Section 8.11 Periodic Inspections and Witnessing of Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 418Section 8.12 Flood Resistances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 425Section 8.13 Signs, Plates, and Tags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 425Part 9 Reference Codes, Standards, and Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . 427Section 9.1 Reference Documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 428Section 9.2 Procurement Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 433

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Nonmandatory AppendicesA Control System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 435B Unlocking Zone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 437C Location of Top Emergency Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 438D Rated Load and Capacity Plates for Passenger Elevators . . . . . . . . . . . . . . . . . . . . . . . 439E Elevator Requirements for Persons With Physical Disabilities in Jurisdictions Enforcing the

NBCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 440F Ascending Car Overspeed and Unintended Car Movement Protection . . . . . . . . . . . . . . 448G Top-of-Car Clearance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 452H Private Residence Elevator Guarding (5.3.1.7.2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 457I Escalator and Moving Walk Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 458J Relationship of Pit Ladder to Hoistway Door Unlocking Means . . . . . . . . . . . . . . . . . . . 464K Beveling and Clearance Requirements (7.4.7.4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 465L Index of Alteration Requirements for Electric Elevators, Hydraulic Elevators, Escalators, and

Moving Walks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 466M Inertia Application for Type A Safety Device Location of Test Weight [8.10.2.2.2(ii)(2)] . 473N Recommended Inspection and Test Intervals in “Months” . . . . . . . . . . . . . . . . . . . . . . 474P Plunger Gripper Stopping Distances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 483Q Explanatory Figures for the Definitions of Elevator Machinery Space, Machine Room, Control

Space, Control Room, Remote Machine Room, or Remote Control Room . . . . . . . . . . 484R Inspection Operation and Hoistway Access Switch Operation Hierarchy . . . . . . . . . . . . 487S Horizontally and Vertically Sliding Doors — Illustrations of Detection Zones (2.13.3.4 and

2.13.5.4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 489U Design Requirements — Traction Elevator Suspension System . . . . . . . . . . . . . . . . . . . 506V Building Features for Occupant Evacuation Operation . . . . . . . . . . . . . . . . . . . . . . . . . 507X Acceptance Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 509Y Maintenance Control Program Records . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 514Z Mass and Closing Time of Horizontally Sliding Elevator Doors . . . . . . . . . . . . . . . . . . . 518AA Checklist for Firefighters’ Emergency Operation (8.6.11.1) . . . . . . . . . . . . . . . . . . . . . . 519

Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 522

Figures2.16.1.1 Inside Net Platform Areas for Passenger Elevators . . . . . . . . . . . . . . . . . . . . . . . . . . . 742.20.9.4 Tapered Rope Sockets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 922.20.9.5 Wedge Rope Sockets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 922.23.3 Elevator Guide Rails . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1012.23.4.1-1 Maximum Weight of a Car With Rated Load or of Counterweight With Safety Device for a Pair

of Guide Rails as Specified in 2.23.4.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1032.23.4.1-2 Minimum Moment of Inertia About x-x Axis for a Single Guide Rail With Its Reinforcement 1042.27.3.1.6 Visual Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1332.27.3.3.7 Panel Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1372.27.7.1 Phase I Emergency Recall Operation Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1402.27.7.2 Phase II Emergency In-Car Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1402.27.8 FEO-K1 Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1412.27.9 Elevator Corridor Call Station Pictograph . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142

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5.1.17.3 Vertical and Horizontal Components of Velocity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1866.1.3.3.10 Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2336.1.6.9.1 Caution Sign . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2428.2.1.2 Minimum Rated Load for Passenger Elevators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2868.2.2.5.1 Turning Moment Based on Class of Loading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2898.2.4 Gravity Stopping Distances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2918.2.5 Maximum Governor Tripping Speeds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2928.2.6 Stopping Distances for Type B Car and Counterweight Safeties . . . . . . . . . . . . . . . . . . 2948.2.7 Minimum Factors of Safety of Suspension Members of Power Passenger and Freight

Elevators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2978.2.8.1.1 Allowable Gross Loads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2998.2.9.1.3 Load Distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3028.4.3.1.3 Arc of Contact . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3178.4.8.2.1-1 12 kg/m (8 lb/ft) Guide-Rail Bracket Spacing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3198.4.8.2.1-2 16.5 kg/m (11 lb/ft) Guide-Rail Bracket Spacing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3208.4.8.2.1-3 18 kg/m (12 lb/ft) Guide-Rail Bracket Spacing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3218.4.8.2.1-4 22.5 kg/m (15 lb/ft) Guide-Rail Bracket Spacing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3228.4.8.2.1-5 27.5 kg/m (18.5 lb/ft) Guide-Rail Bracket Spacing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3238.4.8.2.1-6 33.5 kg/m (22.5 lb/ft) Guide-Rail Bracket Spacing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3248.4.8.2.1-7 44.5 kg/m (30 lb/ft) Guide-Rail Bracket Spacing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3258.4.8.2.2 Car and Counterweight Load Factor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3268.4.8.9 Guide-Rail Axes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3318.4.10.1.1 Earthquake Elevator Equipment Requirements Diagrammatic Representation . . . . . . . . 3328.4.10.1.3 Earthquake Emergency Operation Diagrammatic Representation . . . . . . . . . . . . . . . . . 3348.5.1 Balustrade Handrail Force . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3438.6.8.15.19 Location of Center of Applied Load for Coefficient of Friction and Loaded Gap Measurements 366A-1 Control System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 436B-1 Unlocking Zone (2.12.1 and 2.14.5.7) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 437C-1 Parallelepiped Volume Orientations [2.14.1.5.1(b)(2)] . . . . . . . . . . . . . . . . . . . . . . . . . 438E-20.4.3-1 Braille Measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 446E-20.6.3 International Symbol of Accessibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 447F-1 Ascending Car Overspeed Protection (2.19.1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 450F-2 Unintended Car Movement Protection (2.19.2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 451G-1 Top-of-Car Clearance Requirements (2.4.7.1 and 2.14.1.7.2) . . . . . . . . . . . . . . . . . . . . . 452G-2 Additional Top-of-Car Clearance Requirements (2.4.7.1) . . . . . . . . . . . . . . . . . . . . . . . . 453G-3 Top-of-Car Marking Requirements (2.4.7.2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 453G-4 Additional Top-of-Car Marking Requirements (2.4.7.2) . . . . . . . . . . . . . . . . . . . . . . . . . 454G-5 Additional Top-of-Car Clearance Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 455G-6 Additional Top-of-Car Clearance [2.4.7.1(b)] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 456H-1 Private Residence Elevator Guarding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 457I-1 Relationship of Escalator Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 458I-2 Handrail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 458I-3 Escalator Nomenclature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 459I-4 Skirt or Dynamic Skirt Panel: Step Nose (6.1.3.3.6) . . . . . . . . . . . . . . . . . . . . . . . . . . . 460I-5 Ceiling or Soffit Guard (6.1.3.3.11) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 460

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I-6 Antislide Device (6.1.3.3.12) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 460I-7 Escalator Step Tread . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 461I-8 Cleated Riser (6.1.3.5.3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 461I-9 Moving Walk Geometry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 462I-10 Moving Walk Treadway Slots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 462I-11 Stopping Distances Corresponding to a Deceleration Rate of 0.91 m/s2 [6.1.5.3.1(c)] . . . 463I-12 Clearance Between Escalator Steps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 463J-1 Relationship of Pit Ladder to Hoistway Door Unlocking Means . . . . . . . . . . . . . . . . . . . 464K-1 Beveling and Clearance Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 465M-1 Inertia Application for Type A Safety Device Location of Test Weight . . . . . . . . . . . . . . 473Q-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 485Q-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 485Q-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 485Q-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 485Q-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 486Q-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 486S-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 490S-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 491S-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 492S-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 493S-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 494S-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 495S-7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 496S-8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 497S-9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 498S-10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 499S-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500S-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 501S-13 Cylindrical Targets (2.13.5.3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 502S-14 Prismatic Targets (2.13.5.4.1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 502S-15 Prismatic Targets (2.13.5.4.2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 503S-16 Detection Areas Relative to Door Position . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 504Y-1 Maintenance Control Program Records . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 515

Tables2.4.2.2 Minimum Bottom Runby for Counterweight Elevators With Spring Buffers, Elastomeric

Buffers, or Solid Bumpers and Rheostatic Control or Single-Speed AC Control . . . . . . 252.15.10.1 Maximum Allowable Stresses in Car Frame and Platform Members and Connections, for

Steels Specified in 2.15.6.2.1 and 2.15.6.2.2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 722.16.1.1 Maximum Inside Net Platform Areas for the Various Rated Loads . . . . . . . . . . . . . . . . 752.17.3 Maximum and Minimum Stopping Distances for Type B Car Safeties With Rated Load at

Maximum Governor Tripping Speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 792.18.2.1 Maximum Car Speeds at Which Speed Governor Trips and Governor Overspeed Switch

Operates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 822.18.7.4 Multiplier for Determining Governor Sheave Pitch Diameter . . . . . . . . . . . . . . . . . . . . 842.20.3 Minimum Factors of Safety for Suspension Members . . . . . . . . . . . . . . . . . . . . . . . . . . 88

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2.20.9.4.5 Relation of Rope Diameter to Diameter of the Small Socket Hole . . . . . . . . . . . . . . . . . 922.22.3.1 Minimum Spring Buffer Strokes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 972.22.4.1 Minimum Oil Buffer Strokes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 992.23.3 T-Section Guide-Rail Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1012.23.4.2 Load Multiplying Factor for Duplex Safeties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1072.23.4.3.1 Guide Rails for Counterweight Without Safeties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1082.23.4.3.3 Intermediate Tie Brackets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1082.23.7.2.1 Minimum Thickness of Fishplates and Minimum Diameter of Fastening Bolts . . . . . . . . 1092.23.10.2 Minimum Size of Rail-Fastening Bolts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1092.26.4.3.2 SIL for Electrical Protective Devices and Other Electrical Safety Functions . . . . . . . . . . 1232.26.12.1 Symbol Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1284.1.18.1 Maximum and Minimum Stopping Distances for Rack-and-Pinion Safeties With Rated Load 1715.1.14.2 Minimum and Maximum Stopping Distances at Given Angles From Horizontal . . . . . . . 1855.1.17.2 Spring Buffer Stroke . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1865.1.17.4.4 Minimum Oil Buffer Strokes at Given Angle From Horizontal . . . . . . . . . . . . . . . . . . . . 1876.2.3.7 Treadway Width . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2486.2.4.1.1 Treadway Speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2497.2.6.4 Factors of Safety for Wire Rope and Chains . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2657.2.8.1 Minimum Spring Buffer Strokes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2657.2.8.2 Minimum Oil Buffer Strokes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2667.4.3 Type B Material Lifts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2707.9.2.14 Minimum Spring Buffer Strokes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2837.9.2.15 Minimum Oil Buffer Strokes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2838.4.8.7 Stresses and Deflections of Guide-Rail Brackets and Supports . . . . . . . . . . . . . . . . . . . 3298.4.10.1.1 Visual Indication Matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3338.4.11.13 Pipe Support Spacing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3378.4.12.2.2 Maximum Allowable Deflection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3418.5.5 Component-Based Allowable Design Stresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3468.6.4.20.4 Brake Test Loads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 357E-5-1 Minimum Dimensions of Elevator Cars . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 441E-20.4.3-1 Measurement Range for Standard Sign Braille . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 446F-1 Traction Elevator Brake Type, Function, and Performance . . . . . . . . . . . . . . . . . . . . . . 449N-1 Recommended Inspection and Test Intervals in “Months” . . . . . . . . . . . . . . . . . . . . . . 475N-2 Guidelines on Use of Monitoring to Provide Inspection Data . . . . . . . . . . . . . . . . . . . . 476P-1 Plunger Gripper Stopping Distances With Rated Load in the Car (8.6.5.16.4) . . . . . . . . . 483Q-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 484R-1 Inspection Operation and Hoistway Access Switch Operation Hierarchy . . . . . . . . . . . . 488U-1 Design Requirements — Traction Elevator Suspension System . . . . . . . . . . . . . . . . . . . 506X-1 Acceptance Test for Electric Elevators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 510X-2 Acceptance Test for Hydraulic Elevators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 511X-3 Acceptance Test for Escalators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 512X-4 Acceptance Test for Moving Walks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 513Y-1 Maintenance Control Program Records . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 516Z-1 Mass and Closing Time of Horizontally Sliding Elevator Doors . . . . . . . . . . . . . . . . . . . 518AA-1 Checklist for Firefighters’ Emergency Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 520

ix



ASME FOREWORDð19Þ

The first edition of this Code was published in January 1921. It was prepared by an American Society of MechanicalEngineers (ASME) Committee on Protection of Industrial Workers with the assistance of representatives of a number ofinterests including manufacturers, insurance carriers, regulatory bodies, and technical societies.

Subsequently, ASME requested the American Engineering Standards Committee (AESC) to authorize the organizationof a Sectional Committee to undertake a revision. The AESC acted favorably on this request and in January 1922 assignedsponsorship for the project jointly to the American Institute ofArchitects, the National Bureau of Standards, and ASME, allthree of whom had taken an active part in the preparation of the first edition of the Code.

The organizational meeting of the Sectional Committee A17 was held in November 1922. A number of meetings of theCommitteewereheldduring thenext twoyears, and in July 1925, a revisionof the1921Codewas completed, approvedbythe AESC, and published as an American Standard.

Subsequent to the publication of the 1925 revision of the Code, the necessity for development research on the designand construction of car safeties and oil buffers and for the development of test specifications for various parts of elevatorequipment was realized.

As a result, a Subcommittee on Research, Recommendations, and Interpretations was appointed in 1926. This subcom-mittee held regular meetings thereafter until interrupted by the Second World War in 1940, and carried on an extensivetestprogramat theNationalBureauofStandards inconnectionwithoil buffersandcar safeties. Subsequent to thewar, thename of this subcommittee was changed to “Executive Committee for the Elevator Safety Code.”

The information gained as a result of these tests, together with the developments that had occurred in the design of theequipment as a result of installations made in very tall buildings, prompted the Sectional Committee to prepare and issuethe third edition of the Code in 1931. The third edition was approved by the Sectional Committee in February 1931, andsubsequently by the sponsors and by the American Standards Association (ASA, formerly the AESC) in July 1931.

Further experience and developments in the design of elevator equipment led the Sectional Committee, in line with itspolicy of revising the Codeperiodically, toprepare the fourth edition in1937,whichwas approved by the sponsors and bythe ASA in July 1937.

A fifth edition of the Code was well under way in 1940 when it was necessary to suspend the work due to the SecondWorld War. However, a number of the revisions already agreed upon by the Sectional Committee and approved by thesponsors and by the ASA in April 1942 were issued as a supplement to the 1937 edition. They were subsequentlyincorporated in a reprint of the 1937 edition in 1945. In response to public demand, requirements for private residenceelevators were also issued in a separate supplement, ASA A17.1.5-1953, and incorporated into the Code as Part V in the1955 edition.

The Sectional Committee reinitiated consideration of the fifth edition of the Code in 1946. Due to the considerableperiod that had elapsed since the fourth revision in 1937, and to the very extensive developments in the elevator art, theCommittee decided that the Code should be completely rewritten and brought up to date.

Special subcommittees were appointed to prepare the revisions of the various requirements. The membership of eachsubcommittee consistedofpersonsespecially familiarwith the requirements tobecoveredby that subcommittee. Fifteensubcommittees were set up with a total membership of over 150 persons. The membership of these subcommittees wasnot confined to members of the Sectional Committee. It also included other persons having expert knowledge of thesubjects under consideration by the subcommittees. These subcommittees and their personnel were listed in the 1955edition of the Code.

The drafts prepared by these subcommittees were widely circulated to interested groups for comment. After review ofthe comments and correlation of the drafts, the fifth edition of the Code was approved by the Sectional Committee,subsequently by the sponsors, and by the ASA in June 1955.

In December 1957, a Supplement to the Code listing a number of revisions was approved by the ASA and published byASME.

A sixth edition was published in 1960 that incorporated the revisions contained in the 1957 Supplement as well asapproximately 96 revisions that were approved by the Sectional Committee in March 1960.

In 1958 the scope of the A17 Code was enlarged to include moving walks. The membership of the Sectional Committeewas expanded to include manufacturers whose primary interest in the Committee was the development of rules andregulations on moving walks. A subcommittee prepared a Safety Code for Moving Walks, which was approved by the

x



Sectional Committee, the sponsors, and by the ASA on March 20, 1962. This Code was published as Part XIII of the A17.1Code, and was designated ASA A17.1.13-1962.

During 1962 and 1963, 38 additional changes to Parts I through XII of ASA A17.1 were approved by the SectionalCommittee and the sponsors, and the ASA, and were published as the 1963 Supplement to the 1960 edition of the Code.

A seventheditionwaspublished in1965 that incorporated the rulesof the SafetyCode forMovingWalks, ASAA17.1.13-1962, as Part XIII, the revisions covered by the 1963 Supplement, and approximately 90 other revisions approved by theSectional Committee, the sponsors, and the ASA. The title of the Code was also changed to the American Standard SafetyCode for Elevators, Dumbwaiters, Escalators, and Moving Walks.

On August 24, 1966, the ASA was reconstituted as the United States of America Standards Institute. The designation ofstandards approved as American Standards was changed to USA Standards. There was no change in the index identifica-tion or the technical content of the standards. At the same time, the ASA Sectional Committee, A17 on A Safety Code forElevators, was changed to the USA Standards Committee, A17 on A Safety Code for Elevators. Four supplements to theseventh edition were published from 1967 through 1970.

The United States of America Standards Institute changed its name to American National Standards Institute, Inc.(ANSI) on October 6, 1969. At the time that the new name became effective, the designation USA Standard was changed toAmerican National Standard and the names of committees changed from USA Standards Committees to AmericanNational Standards Committees. The alphabetical designation of standard documents was changed from USA to ANSI.

The eighth edition of the Code (1971) incorporated the revisions covered by the four supplements and an additional 94revisions. Seven supplements were issued from 1972 through 1976. Part XIV covering material lifts and dumbwaiterswith automatic transfer devices was added in supplement ANSI A17.1d-1975.

The ninth edition of the Code (1978) incorporated 75 revisions in addition to those covered by the previous supple-ments. Part XV covering special purpose personnel elevators was added and the reference codes, standards, and speci-fications were moved from the Preface to a new Part XVI. Two supplements to this edition were issued in 1979 and 1980.

The tenth edition of the Code (1981) incorporated the revisions covered by Supplements ANSI A17.1a-1979 and ANSIA17.1b-1980, as well as the following new material: Part XVII, Inclined Elevators; Appendix F, Seismic Regulations; andAppendix G, Recommended Practice for Accelerating Moving Walks. Rule 211.3 and Part V were also completely revised,with the private residence inclined lifts moved to Part XVIII. Numerous other revisions and additions that had beenapproved since the time of the 1980 supplement were also included.

The tenth edition of the Code was approved by the A17 Standards Committee. After publication of the tenth edition, theCommittee was reorganized in accordance with the ANSI Accredited Organization Method under the sponsorship ofASME. With this reorganization, the National Bureau of Standards and the American Institute of Architects relinquishedtheir roles as cosecretariats. The Standards, Conference, and Executive Committees were also restructured as the MainCommittee and the National Interest Review Committee, with the Working Committees (subcommittees) continuing tooperate as before.

This reorganization also prompted a change in the title of the Code to the ANSI/ASME A17.1 Safety Code for Elevatorsand Escalators. The title was shortened for convenience, and it should not be construed that the Code no longer covereddumbwaiters, moving walks, or the other equipment included within the Scope of the Code.

Two supplements to the 1981 edition were issued: ANSI/ASME A17.1a-1982 and ANSI/ASME A17.1b-1983. The 1982supplement included a new Part XIX covering elevators used for construction. In the 1983 supplement, the requirementsfor private residence inclined lifts in Part XVIII were expanded and incorporated into a new Part XXI covering privateresidence inclined stairway chairlifts and inclined and vertical wheelchair lifts. Part XX was added to cover these samedevices installed in buildings other than private residences. Requirements for screw-column elevators were also addedand designated as Part XVIII.

The eleventh edition of the Code (1984) incorporated the changes made in the 1982 and 1983 supplements, as well asadditional revisions.

The eleventh edition was updated with five supplements, which were issued approximately every 6 months from 1985through the spring of 1987. Appendix I (later redesignated as Appendix E) was added in ANSI/ASME A17.1a-1985.Requirements for rack-and-pinion elevators were added in ANSI/ASME A17.1c-1986, designated as Part XVI. Theprevious Part XVI (Reference Codes, Standards, and Specifications) was moved to Section 4 of the Introduction. InANSI/ASME A17.1d-1986, the requirements for sidewalk elevators in Part IV, and alterations in Part XII, were completelyrevised.

The twelfth edition of the Code incorporated the changes made in supplements ANSI/ASME A17.1a-1985 throughANSI/ASME A17.1e-1987, as well as additional revisions. Among these changes was a complete revision of the require-ments for dumbwaiters in Part VII. The format of the Code was also changed editorially to incorporate Exceptions into thebody of the Rules.

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The thirteenth edition of the Code incorporated the changes made in ANSI/ASME A17.1a-1988 and ANSI/ASMEA17.1b-1989 as well as additional revisions. Part XXII, Shipboard Elevators, was added in ANSI/ASME A17.1b-1989. Part XXIII, Rooftop Elevators, appeared for the first time in the thirteenth edition.

The fourteenth edition of the Code incorporated the changes made in ASME A17.1a-1991 and ASME A17.1b-1992 aswell as additional revisions. Safety requirements for seismic risk zone 3 and greater were moved from Appendix F intonew Part XXIV, Elevator Safety Requirements for Seismic Risk Zone 2 or Greater. Requirements for seismic risk zone 2were added to Part XXIV.

The fifteenth edition of the Code incorporated the changes made in ASME A17.1a-1994 and ASME A17.1b-1995 as wellasadditional revisions.PartXXV, Limited-Use/Limited-ApplicationElevators,wasadded inASMEA17.1b-1995.Therulesin Part III were harmonized with CAN/CSA B44, Elevator Safety Standard, Sections 4 and 11, and Appendix G4.

The sixteenth edition of the Code incorporated changes made in ASME A17.1a-1997 through ASME A17.1d-2000.Requirements for mine elevators were also added in Section 5.9 of this edition. In addition, the entire Code was refor-matted to incorporate a decimal numbering system. For the sixteenth edition of the Code, cross-reference tables wereprovided to facilitate the correlation between requirements from the fifteenth edition of the Code and the renumberedrequirements of the sixteenth edition and vice versa. The sixteenth edition of ASME A17.1 was the result of a joint effortbetween the ASME A17 Elevator and Escalator Committee and the Canadian Standards Association (CSA) B44 TechnicalCommittee to harmonize requirements between ASME A17.1, Safety Code for Elevators and Escalators, and CSA B44,Safety Code for Elevators.

The seventeenth edition of the Code incorporated changes made in ASME A17.1a-2002 and ASME A17.1b-2003.Additionally, in Sections 8.10 and 8.11, cross-references were updated to reflect ASME A17.2-2001, Guide for Inspectionof Elevators, Escalators, and Moving Walks.

The eighteenth editionof the Code was a fully binational standard. All former deviations between the ASME A17.1 Codeand the CSA B44 Code were fully addressed within this one Code. Additionally, this edition incorporated revisions toaddress the advancement of technologies used in the design and construction of elevator equipment that had enabled theinstallation of the equipment in other than traditional locations, such as machine rooms. New requirements were alsoadded to address programmable electronic systems in safety-related applications of elevators.

The nineteenth edition of the Code incorporated changes made in ASME A17.1a-2008/CSA B44a-08 and ASME A17.1b-2009/CSA B44b-09. Major changes included former periodic inspections now being covered under maintenance re-quirements. New requirements were added to address the means and members of suspension, compensation, andgovernor systems for elevators. These new requirements were covered in detail through reference to ASME A17.6,which includes the material properties, design, testing, inspection, and replacement criteria for these means. It includesthe requirements for steel wire rope, aramid fiber rope, and noncircular elastomeric-coated steel suspension membersand provides direction for future constructions as new technology develops.

The twentieth edition of the Code contained well over one hundred revisions made to existing requirements, as well assome new requirements.

Newrequirementswereadded toaddressnewtypesof elevatorequipmentbeingused in the industry, specificallywindturbine elevators and outside emergency elevators. In addition, requirementswere added to address anew feature calledElevator Evacuation Operation (EEO), which allows for the use of elevators for occupant evacuation.

Besides the above, major changes included the following:(a) The seismic requirements of the Code were revised to include seismic force levels as specified in the latest building

codes in the United States (IBC) and Canada (NBCC). To facilitate incorporation of these requirements, ASME publishedTechnical Report A17.1-8.4, Guide for Elevator Seismic Design.

(b) Requirements related to the maintenance control program were updated to improve clarity and organization forrecords, content, availability, and format.

(c) Regardingqualifications for elevator inspectors (QEI), effective January1, 2014, accreditationof organizations thatcertify elevator inspectorsand inspection supervisorswasdiscontinuedbyASME.Requirementswere revised in this areato allow for accreditation to be done by other organizations.

The twenty-first edition of the Code contained many revisions to existing requirements and the addition of some newrequirements. Some areas of note, in which significant updates were made, include, but are not limited to, seismicrequirements for escalators; requirements for special purpose personnel elevators, rack-and-pinion elevators,private residence elevators, and material lifts with obscured transfer devices; and the addition of elastomericbuffer requirements. In addition, the requirements in Section 5.11, Wind Turbine Tower Elevators, are now addressedwithin ASME A17.8/CSA B44.8, and Section 7.11 on material lifts with obscured transfer devices was removed. Addi-tionally, Nonmandatory Appendix T on inspection and replacement of steel wire ropes and Nonmandatory Appendix Won wind turbine tower elevator clearances were removed.

xii



This twenty-second edition of the Code includes many revisions, including additional updates for door requirements inprivate residence elevators, occupant evacuation elevators, and clarifications of seismic requirements for elevators andescalators. In addition, some key revisions of note are the updating of emergency communication requirements for anelevator toensurecommunicationwithany trappedpassengers, including those that arehearing impaired, andadditionalrequirements modified for increased door protection on passenger elevators.

The following is a complete list of editions and supplements to the Code that have been published and the dates whenthey received final approval. The dates of issuance are also included for the documents published since 1974, and thedates on which they became effective are included for those published since 1978.

Editions and Supplements Approved Issued EffectiveFirst Edition 1921 January 1921 … …

Second Edition A17-1925 April 1925 … …

Third Edition ASA A17-1931 July 1931 … …

Fourth EditionSupplements

ASA A17.1-1937ASA A17.3-1942ASA A17.1.5-1953

July 1937April 1942June 9, 1953

………

………

Fifth EditionSupplements

ASA A17.1-1955ASA A17.1a-1957

June 15, 1955December 10, 1957

……

……

Sixth EditionSupplements

ASA A17.1-1960ASA A17.1.13-1962ASA A17.1a-1963

August 29, 1960March 20, 1962August 16, 1963

………

………

Seventh EditionSupplements

ASA A17.1-1965USAS A17.1a-1967USAS A17.1b-1968USAS A17.1c-1969ANSI A17.1d-1970

July 29, 1965July 7, 1967December 11, 1968May 6, 1969March 2, 1970

……………

……………

Eighth EditionSupplements

ANSI A17.1-1971ANSI A17.1a-1972ANSI A17.1b-1973ANSI A17.1c-1974ANSI A17.1d-1975ANSI A17.1e-1975ANSI A17.1f-1975ANSI A17.1g-1976

July 27, 1971February 16, 1972October 11, 1973April 26, 1974February 26, 1975March 26, 1975April 2, 1975August 12, 1976

………September 15, 1974October 31, 1975October 31, 1975October 31, 1975November 30, 1976

……………………

Ninth EditionSupplements

ANSI A17.1-1978ANSI A17.1a-1979ANSI A17.1b-1980

May 4, 1978February 5, 1979March 20, 1980

June 15, 1978March 30, 1979May 15, 1980

September 15, 1978June 30, 1979August 15, 1980

Tenth EditionSupplements

ANSI/ASME A17.1-1981ANSI/ASME A17.1a-1982ANSI/ASME A17.1b-1983

September 8, 1981October 5, 1982October 24, 1983

October 22, 1981November 30, 1982December 23, 1983

April 22, 1982May 30, 1983June 23, 1984

Eleventh EditionSupplements

ANSI/ASME A17.1-1984ANSI/ASME A17.1a-1985ANSI/ASME A17.1b-1985ANSI/ASME A17.1c-1986ANSI/ASME A17.1d-1986ANSI/ASME A17.1e-1987

August 16, 1984February 27, 1985August 6, 1985March 5, 1986September 8, 1986February 18, 1987

September 16, 1984April 15, 1985October 15, 1985April 30, 1986November 30, 1986April 30, 1987

March 16, 1985October 15, 1985April 15, 1986October 31, 1986May 31, 1987October 30, 1987

Twelfth EditionSupplements

ASME/ANSI A17.1-1987ASME/ANSI A17.1a-1988ASME/ANSI A17.1b-1989

October 20, 1987October 6, 1988November 10, 1989

January 15, 1988November 15, 1988November 30, 1989

July 16, 1988May 16, 1989May 31, 1990

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Editions and Supplements Approved Issued EffectiveThirteenth Edition

SupplementsASME A17.1-1990

ASME A17.1a-1991ASME A17.1b-1992

October 8, 1990October 21, 1991October 28, 1992

February 8, 1991February 28, 1992December 29, 1992

August 9, 1991August 29, 1992June 30, 1993

Fourteenth EditionSupplements

ASME A17.1-1993ASME A17.1a-1994ASME A17.1b-1995

October 18, 1993August 17, 1994October 5, 1995

December 31, 1993December 31, 1994January 31, 1996

July 1, 1994July 1, 1995August 1, 1996

Fifteenth EditionSupplements

ASME A17.1-1996ASME A17.1a-1997ASME A17.1b-1998ASME A17.1c-1999ASME A17.1d-2000

October 3, 1996January 8, 1998November 13, 1998May 13, 1999October 12, 2000

December 31, 1996February 27, 1998February 19, 1999June 30, 1999November 30, 2000

July 1, 1997August 28, 1998August 20, 1999December 31, 1999January 31, 2001

Sixteenth EditionSupplements

ASME A17.1-2000ASME A17.1a-2002ASME A17.1b-2003

October 16, 2000February 26, 2002April 10, 2003

March 23, 2001April 4, 2002May 30, 2003

March 23, 2002October 4, 2002November 30, 2003

Seventeenth EditionSupplements

ASME A17.1-2004ASME A17.1a-2005ASME A17.1S-2005

January 14, 2004March 18, 2005March 23, 2005

April 30, 2004April 29, 2005August 12, 2005

October 31, 2004October 29, 2005February 12, 2006

Eighteenth EditionSupplements

ASME A17.1-2007/CSA B44-07ASME A17.1a-2008/CSA B44a-08ASME A17.1b-2009/CSA B44b-09

February 20, 2007September 19, 2008November 17, 2009

April 6, 2007December 5, 2008December 30, 2009

October 6, 2007June 5, 2009June 30, 2010

Nineteenth Edition ASME A17.1-2010/CSA B44-10 October 19, 2010 December 30, 2010 June 30, 2011

Twentieth Edition ASME A17.1-2013/CSA B44-13 May 31, 2013 October 21, 2013 April 21, 2014

Twenty-First Edition ASME A17.1-2016/CSA B44-16 July 25, 2016 November 30, 2016 May 30, 2017

Twenty-Second Edition ASME A17.1-2019/CSA B44:19 October 8, 2019 December 31, 2019 June 30, 2020

xiv



ASME A17 COMMITTEEELEVATORS AND ESCALATORS

(August 2019)

STANDARDS COMMITTEE

J. W. Coaker, Chair, Coaker & Co., PCR. E. Baxter, Vice Chair, Baxter Residential Elevators, LLCH. E. Peelle III, Vice Chair, The Peelle Co., Ltd.G.A. Burdeshaw, Staff Secretary,The American Society of Mechanical

EngineersE. V. Baker, IUECT. D. Barkand, U.S. Department of Labor, Mine Safety and Health

AdministrationL. Bialy, Otis Elevator Co.K. L. Brinkman, National Elevator Industry, Inc.J. R. Brooks, Wagner Consulting Group, Inc.R. C. Burch, GAL Manufacturing Corp.J. Filippone, ConsultantR. A. Gregory, Vertex Corp.P. Hampton, ThyssenKrupp Elevator Co.J. T. Herrity, Department of the Navy, Naval Facilities Command

(NAVFAC)D. A. Kalgren, KONE, Inc.J. W. Koshak, Elevator Safety Solutions, LLCR. Kremer, Technical Standards and Safety AuthorityD. McColl, Otis Canada, Inc.D. McLellan, Technical Standards and Safety AuthorityA. L. Peck, ConsultantJ. S. Rearick, Rearick and Co., Inc.A. Rehman, Schindler Elevator Corp.V. P. Robibero, Schindler Elevator Corp.R. S. Seymour, Robert L. Seymour and Associates, Inc.R. D. Shepherd, NAESA InternationalW. M. Snyder, VTE Solution, LLCM. H. Tevyaw, MHT Codes and ConsultingD. L. Turner, Davis L. Turner and Associates, LLCJ. Xue, Delegate, Shanghai Institute of Special Equipment Inspection

and Technical ResearchJ. W. Blain, Alternate, Shindler Elevator Corp.D. S. Boucher, Alternate, KONE, Inc.J. Carlson, Alternate, Schindler Elevator Corp.J. Day, Alternate, NAESA InternationalM. V. Farinola, Alternate, MV Farinola, Inc.J. D. Henderson, Alternate, ThyssenKrupp Elevator Manufacturing,

Inc.M. D. Morand, Alternate, Qualified Elevator Training Inspector FundP. A. Novak, Alternate, GAL Manufacturing, LLCS. P. Reynolds, Alternate, The Peelle Co., Ltd.P. S. Rosenberg, Alternate, Performance Elevator Consulting, LLCH. Simpkins, Alternate, ThyssenKrupp Elevator Co.

HONORARY COMMITTEE

G. A. Burdeshaw, Staff SecretaryE. A. DonoghueB. J. FanguyC. E. HempelC. L. Kort

A. A. MasconeZ. R. McCain, Jr.E. M. PhilpotR. L. RogersL. E. White

REGULATORY ADVISORY COUNCIL

D. McLellan, ChairJ. L. Borwey, Vice ChairG. A. Burdeshaw, Staff SecretaryG. D. BarnesG. E. BrewerD. P. BrockervilleG. R. BrownD. BruceJ. H. BurpeeJ. R. CalpiniR. CapuaniJ. DayN. C. DimitruckM. DoroskK. DunbarC. GardinerL. A. GiovannettiJ. M. GouldW. J. HartungD. J. HedgecockS. J. HickoryD. HolmesG. JohnsonD. Leopard

S. MacArthurC. C. MannP. L. McClareS. MercierK. P. MorseN. OrtizM. R. PoulinW. ReinkeJ. P. RocheP. SorensenK. R. SteevesJ. StewartM. K. StewartS. F. StoutD. TudorC. UpdykeW. C. WatsonW. J. WittD. L. Barker, AlternateD. Melvin, AlternateR. E. Kaspersma, Contributing

MemberR. D. Shepherd, Contributing

Member

B44.1/A17.5 COMMITTEE ON ELEVATOR ANDESCALATOR ELECTRICAL EQUIPMENT

M. A. Mueller, ChairM. Mihai, Vice ChairP. Gulletson, Project ManagerJ.-M. AitamurtoJ. W. BlainJ. D. BusseJ. CaldwellS. J. CarltonJ. L. Della PortaR. GarciaB. J. MierzejewskiC. Ramirez Woo

L. YangP. D. Barnhart, AlternateC. Castro, AlternateK. Chieu, AlternateP. F. McDermott, AlternateS. Millet, AlternateB. Shah, AlternateS. Feng, Contributing MemberB. T. Irmscher, Contributing

MemberR. S. Williams, Contributing

Member

xv



CODE COORDINATION COMMITTEE

G. A. Burdeshaw, Staff SecretaryL. BialyK. L. BrinkmanB. HorneJ. W. KoshakM. A. MuellerV. P. RobiberoA. Shelton

B. TubbsJ. W. Blain, AlternateK. Paarlberg, AlternateR. Bukowski , Contr ibut ing

MemberG. W. Gibson, Contributing

MemberJ. Xue, Contributing Member

DUMBWAITER AND ATD COMMITTEE

J. B. Peskuski, ChairD. C. Witt, Vice ChairE. Dominguez, Staff SecretaryN. Garcia SotoR. A. GregoryR. Helps

F. M. HochJ. WoolfordG. ZiebellS. D. Holat, AlternateB. P. McCune, Alternate

EARTHQUAKE SAFETY COMMITTEE

W. C. Schadrack III, ChairB. Blackaby, Vice ChairN. Gomez, Staff SecretaryJ. D. HendersonR. LorenzoJ. L. MeyerW. C. RibeiroA. J. SheltonM. J. SmithR. Taylor

D. A. Kalgren, AlternateR. K. Leckman, AlternateM. A. Mueller, AlternateJ. A. Varona, AlternateC. A. Cullum, Contr ibut ing


MemberA. J. Schiff, Contributing Member

EDITORIAL COMMITTEE

K. L. Brinkman, ChairG. A. Burdeshaw, Staff SecretaryJ. FilipponeR. S. Hultstrom

D. McCollM. A. MuellerJ. R. Runyan

ELECTRICAL COMMITTEE

J. W. Blain, ChairJ. P. Donnelly, Vice ChairJ. D. Henderson, Vice ChairE. Dominguez, Staff SecretaryT. D. BarkandP. D. BarnhartR. M. BatesB. BlackabyR. C. BurchJ. D. BusseJ. CaldwellJ. L. Della PortaW. J. HartungG. N. HenryD. HollowayJ. KleineP. F. McDermottM. MihaiP. OjapaloB. OrtizA. L. PeckD. K. PrinceC. Ramirez WooV. P. RobiberoJ. R. Valone

L. B. WellsS. P. WoodL. YangG. ZogbiJ. C. Carlson, AlternateB. C. Castillo, AlternateS. R. James, AlternateN. J. McCann, AlternateB. J. Mierzejewski, AlternateE. R. Nickens, AlternateP. A. Novak, AlternateI. E. Rebhi, AlternateG. M. Rees, AlternateS. H. Benjamin, Contributing

MemberR. Elias, Contributing MemberY. C. Ho, Contributing MemberP. C. Hoppie, Contr ibut ing

MemberS. A. Khattak, Contributing

MemberC. Mason, Contributing MemberD. Morris, Contributing MemberP. M. Puno, Contributing Member

ELEVATORS USED FOR CONSTRUCTIONCOMMITTEE

J. R. Freeman, ChairG. A. Burdeshaw, Staff SecretaryR. E. BaxterD. S. BoucherG. DeCola

R. A. GregoryK. HelingR. S. HultstromJ. A. Lowery, Jr.N. B. Martin

xvi



EMERGENCY OPERATIONS COMMITTEE

D. McColl, ChairJ. D. Henderson, Vice ChairE. Dominguez, Staff SecretaryD. AndersonD. S. BoucherK. L. BrinkmanR. C. BurchJ. C. CarlsonD. P. FinneganS. R. JamesC. KoenigJ. LathamA. MorrisS. A. MorseT. F. NortonJ. J. O’DonoghueD. K. PrinceP. D. RampfV. R. Reisinger IIIS. SearsJ. W. StockstillD. C. WittT. P. WorthingtonA. Goodwin, AlternateJ. Kleine, AlternateB. M. Krishnan, AlternateK. Moody, AlternateJ. K. O’Donnell, AlternateG. M. Rees, AlternateO. Y. Zhang, Alternate

M. Abbott, Contributing MemberT. Bitz, Contributing MemberM. T. Brierley, Contributing

MemberM. W. Bunker, Jr., Contributing

MemberJ. Canty, Contributing MemberG. B. Cassini , Contributing

MemberC. S. Dart, Contributing MemberT. D. Gervais, Contributing

MemberD. Holmes, Contributing MemberJ. A. Marinelli, Contributing

MemberM. Martin, Contributing MemberB. F . O’Nei l l , Contr ibut ing

MemberW.Ouyang, Contributing MemberA. Rehman, ContributingMemberL. F. Richardson, Contributing

MemberR. J. Roux, Contributing MemberJ. K. Schimeck, Contributing

MemberM. H. Tevyaw, Contributing

MemberS. Weiss-Ishai, Contributing

MemberL. Zheyi, Contributing Member

ESCALATOR AND MOVING WALK COMMITTEE

P. R. Bothwell, ChairK. G. Hamby, Vice ChairR. Mohamed, Staff SecretaryS. BroderC. S. CarrN. ChahalA. D. Clarke, Jr.D. R. EvansC. P. FarnumJ. A. A. Fernandez FidalgoJ. R. FreemanB. HorneT. F. MartelN. J. McCannD. McLellanA. MorrisT. R. NurnbergR. C. Shumate

K. J. SmithJ. L. StablerD. L. TurnerP. Velasquez, Jr.M. P. WalshD. WinkelhakeC. Anayiotos, AlternateA. Gotthardt, AlternateT. Lee, AlternateM. A. Mueller, AlternateD. E. Rush, AlternateP. L. Edwards, Contributing

MemberJ . F i l ippone , Contr ibut ing

MemberH. Shi, Contributing MemberJ. Xue, Contributing Member

EXISTING INSTALLATIONS COMMITTEE

D. B. LaBrecque, ChairR. E. Baxter, Vice ChairJ. S. Rearick, Vice ChairN. Gomez, Staff SecretaryJ. M. BlockC. J. DukeT. EdmondsJ. R. FreemanA. T. GazzanigaR. A. GregoryS. S. GreywallR. HaynesT. JoseR. KremerD. P. LloydB. S. McCueP. McPartlandM. J. Mellon, Jr.M. D. MorandN. OrtizR. A. PrestonS. A. QuinnP. ReidV. P. Robibero

R. T. ShanklinJ. L. StablerJ. W. StockstillH. ThurmerH. M. VyasT. WaardenburgM. P. WalshY. Davidov, AlternateP. Hampton, AlternateK. S. Lloyd, Jr., AlternateB. S. White, AlternateJ. Bera, Contributing MemberJ. H. Butler, Contributing MemberG. B. Cassini , Contributing

MemberJ . T . Herrity , Contr ibut ing

MemberZ. R. McCain, Jr., Contributing

MemberN. R. Mistry , Contr ibut ing

MemberA. J. Saxer, Contributing MemberD. L. Turner, Contr ibut ing

Member

GUIDE FOR EMERGENCY PERSONNELCOMMITTEE

R. S. Seymour, ChairR. D. Shepherd, Vice ChairG. A. Burdeshaw, Staff SecretaryJ. R. BrooksJ. DayG. DeColaD. McLellanD. L. TurnerY. Cao, Contributing Member

D. P. Cook, Contributing MemberC. S. Dart, Contributing MemberD. L. Flint, Contributing MemberJ. L. Meyer, Contributing MemberJ. J. O’Donoghue, Contributing

MemberJ. K. Schimeck, Contributing

Member

HAND AND SIDEWALK ELEVATOR COMMITTEE

N. J. Montesano, ChairG. A. Burdeshaw, Staff SecretaryV. G. BahnaR. CarterJ. DeColaJ. Doyle

J. DuffyG. GreenbergE. L. Krull, Jr.C. P. RobinsonG. WestB. Casas, Alternate

xvii



HOISTWAY COMMITTEE

D. S. Boucher, ChairH. E. Peelle III, Vice ChairE. Dominguez, Staff SecretaryL. J. Blaiotta, Jr.K. L. BrinkmanR. C. BurchJ. ForishH. J. GruszynskiE. A. Heath IIIJ. D. HendersonJ. LathamJ. LengacherD. McCollS. A. MorseV. R. Reisinger IIIS. P. ReynoldsS. SearsH. SimpkinsJ. W. StockstillB. K. UmbaughD. C. WittA. Goodwin, AlternateB. Horne, AlternateF. Leo, Alternate

W. M. Miller, AlternateK. Moody, AlternateJ. Carlson, Contributing MemberJ. Cole, Contributing MemberT. D. Gervais, Contributing


MemberJ . L . Harding, Contributing

MemberD. Holmes, Contributing MemberJ. A. Marinelli, Contributing

MemberA. Morris, Contributing MemberD.K.Quinn,ContributingMemberM. H. Tevyaw, Contributing

MemberS. Weiss-Ishai, Contributing

MemberL . C . Woods , Contr ibut ing

MemberO. Y. Zhang, ContributingMemberW. Ziegert, Contributing Member

HYDRAULIC COMMITTEE

H. Simpkins, ChairR. S. Hultstrom, Vice ChairA. Carrion, Staff SecretaryD. M. BegueL. BialyS. A. BrunoJ. D. HendersonB. HorneJ. W. KoshakM. G. MillerT. S. MowreyA. RehmanV. R. Reisinger III

L. RigbyK. ShepherdJ. L. ShrumJ. W. StockstillL. M. TaylorM. P. WalshA. M. McClement, AlternateK. Moody, AlternateJ. A. Varona, AlternateP. E. A. Burge, Contributing

MemberA. Jahn, Contributing Member

INCLINED ELEVATOR COMMITTEE

G. A. Burdeshaw, Staff SecretaryM. J. BotzetJ. R. CarrickR. A. GregoryJ. T. Herrity

L. MacLachlanR. J. MurphyJ. S. RearickJ. L. StablerC. A. Herrity, Alternate

INSPECTIONS COMMITTEE

M. H. Tevyaw, ChairR. D. Shepherd, Vice ChairR. Mohamed, Staff SecretaryG. AntonaC. ArcherG. D. BarnesR. E. BaxterR. D. BellD. S. BoucherK. L. BrinkmanJ. W. CoakerS. CowenJ. DayG. DeColaM. V. FarinolaJ. FilipponeP. HamptonH. Z. HamzeR. HaynesK. HelingJ. T. HerrityR. S. HultstromJ. J. KnolmajerN. B. MartinC. McDildaD. McLellanM. J. Mellon, Jr.M. D. MorandE. R. NickensA. Rehman

J. R. RunyanR. S. SeymourF. C. SlaterA. SmithM. P. SnyderW. M. SnyderP. SorensonJ. L. StablerS. SwettC. S. Carr, AlternateA. D. Clarke, Jr., AlternateS. Collins, AlternateJ. Gan, AlternateM. Gatje, AlternateE. McGehee, AlternateJ. S. Rearick, AlternateR. D. Schloss, AlternateJ. W. Stockstill, AlternateJ . L . Borwey, Contr ibut ing

MemberH. S. Frank, Contributing MemberZ. R. McCain, Jr., Contributing

MemberH. Ouyang, Contributing MemberJ. D. Rosenberger, Contributing

MemberA. A. Sattar, ContributingMemberD. L. Turner, Contr ibut ing

MemberJ. Xue, Contributing Member

LIMITED-USE/LIMITED-APPLICATIONELEVATOR COMMITTEE

P. Chance, ChairA. Carrion, Staff SecretaryK. L. BrinkmanJ. R. FreemanK. L. HeyungsF. M. HochP. M. IsaacS. J. MehalkoR. J. MurphyJ. E. NewstromW. RichardsonF. C. Slater

R. B. WeberD. M. Winkle, Jr.G. ZiebelS. A. Bruno, AlternateH. H. Bippen, Jr., Contributing

MemberP . Edwards , Con t r i bu t i ng

MemberJ. P. Schumacher, Contributing

MemberF. C. Slater, Contributing Member

xviii



MAINTENANCE, REPAIR, AND REPLACEMENTCOMMITTEE

D. B. Labrecque, ChairR. E. Baxter, Vice ChairM. V. Farinola, Vice ChairN. Gomez, Staff SecretaryJ. M. BlockC. J. DukeT. EdmondsJ. FilliponeJ. R. FreemanS. P. GreeneR. A. GregoryS. S. GreywallR. HaynesT. JoseR. KremerD. P. LloydB. S. McCueP. McPartlandM. J. Mellon, Jr.M. D. MorandN. OrtizR. A. PrestonJ. S. RearickP. ReidV. P. RobiberoP. S. RosenbergR. D. SchlossR. T. ShanklinJ. W. StockstillH. ThurmerH. M. VyasT. WaardenburgM. P. Walsh

C. Buckley, AlternateC. S. Carr, AlternateP. Hampton, AlternateK. S. Lloyd, Jr., AlternateJ. L. Stabler, AlternateK. P. Sullivan, AlternateB. S. White, AlternateG. B. Cassini , Contributing

MemberJ. J. DeLorenzi, Contributing

MemberR. E. Haukeness, Contributing


MemberA. S. Hopkirk, Contributing

MemberT. Jiang, Contributing MemberJ. J. Knolmajer, Contributing

MemberZ. R. McCain, Jr., Contributing

MemberD. McColl, Contributing MemberD.McDilda, ContributingMemberJ. L. Meyer, Contributing MemberN. R. Mistry , Contr ibut ing

MemberJ. Murphy, Contributing MemberA. Rehman, ContributingMemberA. J. Saxer, Contributing MemberD. L. Turner, Contr ibut ing

Member

MARINE ELEVATOR COMMITTEE

M. R. Tilyou, ChairW. D. George, Vice ChairG. A. Burdeshaw, Staff SecretaryD. BradyE. J. Crawford

E. P. GraffT. J. IngramH. MoranR. Wagner

MECHANICAL DESIGN COMMITTEE

B. Horne, Vice ChairM. P. Lamb, Vice ChairN. Gomez, Staff SecretaryE. V. BakerF. A. Belio, Jr.L. BialyS. ConreyA. M. CulverP. DrepsG. W. GibsonP. M. IsaacD. A. KalgrenR. E. KaspersmaJ. W. KoshakR. KremerS. LahmersD. Miller

M. RhinerA. J. SheltonH. SimpkinsD. L. TurnerD. S. Boucher, AlternateJ. Forish, AlternateT. C. Kingsley, AlternateR. K. Leckman, AlternateD. L. Barker, Contr ibut ing

MemberR. E. Creak, Contributing MemberH. S. Frank, Contributing MemberK. Konyar, Contributing MemberW.Ouyang, Contributing MemberA. Rehman, ContributingMemberH. Wu, Contributing Member

MINE ELEVATOR COMMITTEE

T. D. Barkand, ChairN. B. Martin, Vice ChairN. Gomez, Staff SecretaryR. L. AdamsonR. M. BatesA. R. Brower

W. M. HeimbuchJ. K. MooreJ. RoseM. P. SnyderA. J. Saxer, Contributing Member

NEW TECHNOLOGY COMMITTEE

D. McColl, ChairR. E. Kaspersma, Vice ChairG. A. Burdeshaw, Staff SecretaryP. D. BarnhartL. BialyS. BornsteinD. S. BoucherK. L. BrinkmanD. BruceT. M. ChambersJ. W. CoakerS. CowenA. M. CulverG. W. GibsonP. GulletsonK. HelingJ. D. HendersonJ. T. HerrityR. S. HultstromD. A. Kalgren

J. KleineJ. W. KoshakK. McGettiganJ. L. MeyerM. MihaiM. PedramJ. S. RearickV. P. RobiberoS. SteinerD. L. TurnerL. YangR. E. Baxter, AlternateS. J. Carlton, AlternateM. Chan, AlternateC. A. Herrity, AlternateB. Horne, AlternateC. Mason, AlternateH. Ruan, Contributing MemberJ. H. Shull, Contributing MemberH. Wu, Contributing Member

OUTSIDE EMERGENCY ELEVATOR COMMITTEE

R. F. Fahy, Contributing MemberD. M. Stanlaske, Contributing

Member

G. Xu, Contributing Member

QUALIFICATION OF ELEVATOR INSPECTORS(QEI) COMMITTEE

D. McLellan, ChairM. D. Morand, Vice ChairG. A. Burdeshaw, Staff SecretaryE. V. BakerR. E. BaxterK. L. BrinkmanJ. R. BrooksJ. W. CoakerS. CowenJ. DayG. DeColaK. GarstG. W. GibsonP. HamptonJ. T. HerrityR. S. HultstromJ. A. MarchackN. B. MartinC. McDildaM. J. Mellon, Jr.J. R. Runyan

R. S. SeymourR. D. ShepherdW. M. SnyderP. SorensonM. H. TevyawD. L. TurnerD. J. WinslowC. J. Duke, AlternateT. D. Gervais, AlternateE. McGehee, AlternateJ. L. Meyer, AlternateJ. W. Stockstill, AlternateL. Bialy, Contributing MemberD. L. Flint, Contributing MemberF. Liang, Contributing MemberZ. R. McCain, Jr., Contributing

MemberH. Ouyang, Contributing MemberV. P. Robibero, Contributing

Member

xix



RACK-AND-PINION AND SPECIAL PURPOSEPERSONNEL ELEVATOR COMMITTEE

R. C. Meiresonne, ChairS. Harris, Vice ChairG. A. Burdeshaw, Staff SecretaryT. A. Gross, SecretaryG. A. ButlerC. W. Cartwright IIM. DoengesA. HarrisD. HigginbothamW. Kubik

J . L . Borwey, Contr ibut ingMember

K. M. Harrison, ContributingMember

R. E. Haukeness, ContributingMember

R. E. Kaspersma, ContributingMember

B. L . O’Nei l l , Contr ibut ingMember

RESIDENCE ELEVATOR COMMITTEE

W. Richardson, ChairP. Chance, Vice ChairA. Carrion, Staff SecretaryR. D. BaxterR. BosleyJ. R. FreemanK. L. HeyungsF. M. HochC. S. JonesS. J. MehalkoR. J. MurphyJ. E. NewstromF. PanzarinoC. D. RobinsonW. P. RockholdF. SlaterC. A. WarnerR. B. WeberD. M. Winkle, Jr.G. Ziebell

S. A. Bruno, AlternateK. L. Brinkman, Contributing

MemberP . Edwards , Con t r i bu t i ng

MemberL. Katz, Contributing MemberT. C. Kingsley, Contributing

MemberJ. C. Lund, Contributing MemberM. W. McKinley, Contributing

MemberW. M. McKinley, Contributing

MemberT. L. Pope, Contributing MemberJ. P. Schumacher, Contributing

MemberF. C. Slater, Contributing MemberA. Wedderburn, Contributing

Member

WIND TURBINE TOWER ELEVATOR COMMITTEE

R. S. Hultstrom, ChairJ. W. Koshak, Vice ChairR. Mohamed, Staff SecretaryC. BarrettJ. L. BorweyJ. ColeT. DaqouneP. GulletsonJ. J. HaighR. E. KaspersmaL. MetzingerJ. S. RearickP. D. SmithS. SwettL. Yang

C. E. Cuenin, AlternateG. S. McDonald, AlternateG. Brickell, Contributing MemberK. Govaert, Contributing MemberP. S . Grewal , Contr ibut ing

MemberR. J . Gromek, Contributing


MemberK . Matharu , Con t r i bu t i ng

MemberS. W. Weaver, Contributing

Member

U.S. TAG TO TC178(INTERNATIONAL STANDARDS COMMITTEE)

L. Bialy, ChairV. P. Robibero, Vice ChairG. A. Burdeshaw, Staff SecretaryG. AntonaE. V. BakerF. A. Belio, Jr.B. BlackabyK. L. BrinkmanJ. W. CoakerM. V. FarinolaG. W. GibsonP. HamptonJ. T. HerrityR. S. HultstromD. A. Kalgren

J. W. KoshakH. E. Peelle IIIJ. PoppJ. S. RearickW. M. SnyderD. L. TurnerD. S. Boucher, AlternateT. Derwinski, AlternateC. A. Herrity, AlternateA. Hsu, AlternateS. Bornstein, Contr ibut ing

MemberR. Lorenzo, Contributing MemberD. McColl, Contributing MemberD. McKee, Contributing Member

AD HOC COMMITTEE ON DOOR PROTECTION

L. Bialy, ChairN. Gomez, Staff SecretaryR. C. BurchM. ByrneJ. KleineJ. W. KoshakR. KremerJ. F. O’LaughlinA. L. PeckA. Shupe

H. SimpkinsC. WallsJ. WeggelandG. W. Gibson, Contributing

MemberC. Mason, Contributing MemberD. L. Turner, Contr ibut ing

MemberA. Wu, Contributing Member

INTEREST REVIEW GROUP

G. A. Burdeshaw, Staff SecretaryJ. P. AndrewD. M. BegueR. J. BlatzM. T. BrierleyB. B. CalhounJ. A. CaluoriC. S. CarrM. A. ChavezR. F. DieterB. FaerberL. A. GiovannettiJ. M. GouldS. H. GrainerD. L. HarrisN. R. HerchellJ. E. HerwigR. HowkinsJ. M. ImgartenJ. InglisQ. JianXiongF. A. Kilian

M. KrstanoskiM. L. LaneW. R. LarsenM. A. MalekJ. J. MancusoC. C. MannD. MasonJ. L. MeyerT. S. MowreyF. G. NewmanJ. W. O’BoyleJ. J. O’DonoghueB. PeytonM. J. PfeifferP. M. PunoL. RigbyJ. R. RunyanR. D. SchlossS. ShanesJ. L. StablerD. M. StanlaskeL. M. Taylor

xx



CHINA INTERNATIONALWORKINGGROUP (IWG)

G. Shen, ChairG. Liang, Vice ChairY. Xia, Vice ChairG. A. Burdeshaw, Staff SecretaryQ. JianXiong, SecretaryQ. DaiZ. LiY. LiangG. LuL. NingL. Peng

Y. ShenH. ShiX. ShiM. WangX. WangA. WenX. WuL. YueyangH. ZhangX. Zhang

xxi



CSA B44 TECHNICAL COMMITTEEON THE ELEVATOR SAFETY CODE

D. McColl, Chair, Otis Canada, Inc., Burlington, Ontario, CanadaP. Gulletson, Project Manager, CSA Group, Toronto, Ontario, CanadaC.Ayling,PCLConstructorsCanada, Inc.,Mississauga,Ontario, CanadaS. Bornstein, KONE Elevators, Mississauga, Ontario, CanadaD. Brockerville, Service NL, St. John’s, Newfoundland and Labrador,

CanadaD. Bruce, Alberta Municipal Affairs, Edmonton, Alberta, CanadaN. Chahal, Technical Safety BC, New Westminster, British Columbia,

CanadaA. Chekroun, Régie du Bâtiment du Québec, Montréal, Québec,

CanadaK. Cheong, MKC Engineering Corp., Vancouver, British Columbia,

CanadaS. Cowen, ThyssenKrupp Elevator (Canada), Ltd., Toronto, Ontario,

CanadaK. Dunbar, Government of the Northwest Territories, Yellowknife,

Northwest Territories, CanadaM. Fournier, STM (Montreal Transport Society), Montréal, Québec,

CanadaA. Hopkirk, Trident Elevator Co., Ltd., Scarborough, Ontario, CanadaR. Isabelle, KJA Consultants, Inc., Toronto, Ontario, CanadaD. Laguerre, Schindler Elevator Corp., Toronto, Ontario, CanadaS. MacArthur, Department of Community and Cultural Affairs and

Labour, Charlottetown, Prince Edward Island, CanadaR.Marsiglio,H. H. Angus & Associates, Ltd., Toronto, Ontario, CanadaP. McClare, Nova Scotia Department of Labour and Advanced Educa-

tion, Dartmouth, Nova Scotia, CanadaK. McGettigan, Elevator Industry Work Preservation Fund,

Effingham, New Hampshire, USAD. McLellan, Technical Standards & Safety Authority, Toronto,

Ontario, CanadaT. Miller, Prisetman Neilson and Associates, Ltd., Ottawa, Ontario,

CanadaR.Murphy, Garaventa Canada, Ltd., Surrey, British Columbia, CanadaM. Pedram, Modern Elevator Innovations, Inc., Hamilton, Ontario,

CanadaH. Peelle, The Peelle Co., Ltd., Brampton, Ontario, CanadaR. Santos, Technical Safety Authority of Saskatchewan, Regina,

Saskatchewan, CanadaR. Scharfe, Public Works and Government Services Canada, Ottawa,

Ontario, Canada

K. Steeves, Province of New Brunswick Department of Public Safety,Moncton, New Brunswick, Canada

B. Virk, UT Elevator, Inc., Toronto, Ontario, Canada

Associate MembersT. Baik, Toronto Transit Commission, Toronto, Ontario, CanadaL. Bialy, Otis Elevator Co., Farmington, Connecticut, USAM. Brierley, Coldwater, Ontario, CanadaK. Brinkman, National Elevator Industry, Inc., Eureka, Illinois, USAD. Eastman, Service NL, St. John’s, Newfoundland and Labrador,

CanadaA. Ghazanchaei, Otis Canada, Inc., Mississauga, Ontario, CanadaG. Gibson, George W. Gibson & Associates, Inc., Sedona, Arizona, USAF. Kassem, Ascenseurs ThyssenKrupp (Canada) Limitée, Montréal,

Québec, CanadaJ. Koshak, Elevator Safety Solutions, LLC, Collierville, Tennessee, USAR.Kremer,Technical Standards & Safety Authority, Toronto, Ontario,

CanadaD. Lenardis, Public Works and Government Services Canada, Ottawa,

Ontario, CanadaB. McBain, Underwriters Laboratories of Canada, Inc., Sudbury,

Ontario, CanadaA. McGregor, Rooney, Irving & Associates, Ltd., Ottawa, Ontario,

CanadaM. Mihai, Technical Standards & Safety Authority, Toronto, Ontario,

CanadaA. Rehman, Schindler Elevator Corp., Morristown, New Jersey, USAA.Reistetter,National Elevator & Escalator Association, Mississauga,

Ontario, CanadaS. Reynolds, The Peelle Co., Ltd., Brampton, Ontario, CanadaJ. Singh, National Research Council Canada, Canadian Codes Centre,

Ottawa, Ontario, CanadaP. Sorenson, Technical Safety BC, Vancouver, British Columbia,

CanadaM. Tevyaw,MHT Codes & Consulting Specialists, Burlington, Ontario,

CanadaE. Towson,Technical Safety BC, Vancouver, British Columbia, CanadaJ. Virk, Unitech Elevator Co., Pickering, Ontario, CanadaK. Virk, UT Elevator, Inc., Toronto, Ontario, CanadaL. Yang, CSA Group, Toronto, Ontario, CanadaM. Zingarelli, MAD Elevator, Inc., Mississauga, Ontario, Canada

xxii



ASME PREFACE ð19Þ

GENERAL

This Code is one of the numerous codes and standardsdeveloped and published by The American Society ofMechanical Engineers (ASME) under the general auspicesof the American National Standards Institute, Inc. (ANSI).

The Code is intended to serve as the basis for the design,construction, installation, operation, testing, inspection,maintenance, alteration, and repair of elevators, dumb-waiters, escalators, moving walks, and material lifts.

Safety codes and standards are intended to enhancepublic health and safety. Revisions result from committeeconsideration of factors such as technological advances,new data, and changing environmental and industryneeds. Revisions do not imply that previous editionswere inadequate.

This Code applies to new installations only, exceptPart 1 and Sections 5.10, 8.1, and 8.6 through 8.12,which apply to both new and existing installations.Also, see ASME A17.3, Safety Code for Existing Elevatorsand Escalators, for further requirements.

The following conditions arenot addressed in thisCode:(a) assignment of the responsibility for compliance to

any particular party.(b) establishment of a frequency for periodic inspec-

tions and tests. See Nonmandatory Appendix N for recom-mended inspections and test intervals.

(c) assignment of responsibility for persons authorizedto make and witness inspections and tests.

APPLICATION OF REQUIREMENTS TONEW TECHNOLOGY

With the advent of new technologies, materials, andprocesses in the mechanical, structural, electronic, andoptic fields, and the analytical capabilities now available,the flexibility to introduce products into the marketplaceusing these technical developments is desirable. Previouseditions of ASME A17.1 had long-standing provisions, inSection 1.2, that suggested that authorities having juris-diction should recognize safetyequivalent to that requiredby the Codes. This edition of ASME A17.1/CSA B44 recog-nizes that ASME A17.7/CSA B44.7 provides a structuredmethod for establishing the safety of designs and productsand that compliance with ASME A17.7/CSA B44.7 isequivalent to compliance with the requirements inASME A17.1/CSA B44.

FORM AND ARRANGEMENT

This Code consists of Parts and Sections, each covering aspecific subject so as to facilitate reference to the require-ments.

The Foreword, Preface, Notes, and Appendices that areincluded in this Code are not part of this AmericanNational Standard. They are advisory in nature and areintended for clarification only.

In this edition, the revisions that are appearing for thefirst time are identified by (19). Where editorial changeshave been made, they are identified by (ED). See also theSummary of Changes.

METRIC (SI) UNITS

This edition of the Code uses hard metric (SI) unitswherever practical. The acceptable equivalent imperialunits are shown in parentheses. Information on theusage of SI units and conversion to imperial units iscontained in IEEE/ASTM SI 10-2016, American NationalStandard for Metric Practice; ASME Guide SI-1, Orienta-tion and Guide for Use of SI (Metric) Units; or CAN/CSA-Z234.1, Canadian Metric Practice Guide.

Tables related to speedand loaduse thehardmetric andhard imperial units in common practice, even though theyare not exactly equivalent (e.g., see Table 2.22.4.1,Minimum Oil Buffer Strokes). The tabular values havebeen derived using 8.2.1 formulas and the metric andimperial values for buffer strokes, safety stoppingdistances, etc., are therefore not equivalent.

ASME ELEVATOR PUBLICATIONS

The following ASME publications are of special interestto users of this Code. For prices and availability, contact:

ASME150 Clove Road, 6th FloorLittle Falls, NJ 07424-2138Tel: 800-843-2763Fax: 973-882-1717E-mail: [email protected] website: www.asme.org/shop

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Abbreviations Used in This CodeAbbreviation UnitA ampere°C degree Celsiusdeg degree (angle)°F degree Fahrenheitfc footcandleft footft2 square footft3 cubic footft/min foot per minuteft/s foot per secondft/s2 foot per second per secondh hourHz hertzin. inchin.2 square inchin.3 cubic inchkg kilogramkPa kilopascallb pound (mass)

Abbreviations Used in This CodeAbbreviation Unitlbf pound (force)lx luxm meterm2 square meterm3 cubic metermA milliamperemm millimetermm2 square millimetermm3 cubic millimeterMPa megapascalm/s meter per secondm/s2 meter per second per secondN newtonpsi pound per square inchs secondSIL safety integrity levelV voltyr year

ASME A17.2, Guide for Inspection of Elevators, Escala-tors, andMovingWalks. This Guide gives detailed proce-dures for the inspection and testing of elevators,escalators, and moving walks required to conform tothe Safety Code for Elevators and Escalators, ASAA17.1-1955 and later editions and the Safety Code forExisting Elevators and Escalators, ASME A17.3. Subsec-tions are arranged to focuson routine andperiodic inspec-tion requirements, as well as acceptance criteria.

ASME A17.3, Safety Code for Existing Elevators andEscalators. This Code covers retroactive requirementsfor existing elevators and escalators. The purpose ofthis Code is to establish minimum requirements thatwill provide a reasonable degree of safety for thegeneral public. While many of these requirements willalso increase the degree of safety for the elevatormechanic and inspector, this area has not been specificallyaddressed at this time.

ASME A17.4, Guide for Emergency Personnel. Thisguide for emergency personnel (fire, police, etc.), buildingowners, lessees, and building operating managersexplains the proper procedures to be used for the saferemoval of passengers from stalled cars.

CSA B44.1/ASME A17.5, Elevator and Escalator Elec-trical Equipment. This Code contains requirementsfor obtaining, labeling, and listing electrical equipmentfor elevators, escalators, moving walks, dumbwaiters,material lifts, platform lifts, and stairway lifts.

ASME A17.6, Standard for Elevator Suspension,Compensation, and Governor Systems. This Standardcovers the means and members of suspension, compensa-tion, and governor systems for elevators within the scopeof ASME A17.1/CSA B44. This Standard includes the mate-rial properties, design, testing, inspection, and replace-ment criteria for these means. It includes therequirements for steel wire rope, aramid fiber rope,and noncircular elastomeric-coated steel suspensionmembers, and provides direction for future constructionsas new technology develops.

ASME A17.7/CSA B44.7, Performance-Based SafetyCode for Elevators and Escalators. This AmericanNational Standard performance-based safety codecovers the design, construction, installation, operation,testing, maintenance, alteration, and repair of elevators,dumbwaiters, escalators, moving walks, and material lifts.

ASME A17.8/CSA B44.8, Safety Code for Wind TurbineTower Elevators. This American National Standardcovers elevators permanently installed in a wind towerto provide vertical transportation of authorizedpersonneland their tools and equipment only.

Published Interpretations. Interpretations of thevarious ASME A17 standards are issued in real time inASME’s Interpretation Database at http://go.asme.org/Interpretations. Historical Code interpretations mayalso be found in the Database.

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Interpretations of ASME A17.1 and ASME A17.2approved by the A17 Committee from June 14, 1972,through June 1979 were published in a separate bookin 1980.

Starting with the 1981 edition of the Code, and endingwith the 2016 edition, interpretations were publishedwith each new edition and supplement of the applicablestandard.Acompilationof InterpretationsNos.2–13(June1979–May 1989) has also been published by ASME.

ASME A17.1/CSA B44 Handbook. This Handbookaugments the ASME A17.1/CSA B44 Code with commen-tary, diagrams, and illustrations that are intended toexplain the requirements of the ASME A17.1/CSA B44Code.

The commentary contained in the Handbook is theopinion of the author and has not been approved bythe A17 Committee or the B44 Technical Committee.

ASME QEI-1, Standard for the Qualification of ElevatorInspectors. This Standard covers requirements for thequalification and duties of inspectors and inspectionsupervisors engaged in the inspection and testing ofequipment within the scope of the ASME A17.1/CSAB44 Code.

ASME A18.1, Safety Standard for Platform Lifts andStairway Chairlifts. This safety Standard covers thedesign, construction, installation, operation, inspection,testing, maintenance, and repair of inclined stairwaychairlifts and inclined and vertical platform lifts intendedfor transportation of a mobility-impaired person only.

CORRESPONDENCE WITH THE A17 COMMITTEE

ASME Codes and Standards are developed and main-tained with the intent to represent the consensus ofconcerned interests. As such, users of this and otherASME A17 Codes and Standards may interact with theCommittee by requesting interpretations, proposing revi-sions, and attending Committee meetings. Correspon-dence should be addressed to:

Secretary, A17 Standards CommitteeThe American Society of Mechanical EngineersTwo Park AvenueNew York, NY 10016-5990http://go.asme.org/Inquiry

All correspondence to the Committee must include theindividual’s name and post office address in case theCommittee needs to request further information.

Proposing Revisions. Revisions are made periodicallyto the Code to incorporate changes that appear necessaryor desirable, as demonstrated by the experience gainedfrom the application of the procedures, and in order toconform to developments in the elevator art. Approvedrevisions will be published periodically.

TheCommitteewelcomesproposals for revisions to thisCode. Such proposals should be as specific as possible,citing the Section number(s), the proposed wording,and a detailed description of the reasons for the proposal,including any pertinent documentation.

Interpretations. Upon request, the A17 StandardsCommittee will render an interpretation of any require-ment of the Code. Interpretations can only be rendered inresponse to a written request sent to the Secretary of theA17 Standards Committee.

Requests for interpretation should preferably besubmitted through the online Interpretation SubmittalForm. The form is accessible at http://go.asme.org/Inter-pretationRequest. Upon submittal of the form, theInquirer will receive an automatic e-mail confirmingreceipt.

If the Inquirer is unable to use the online form, he/shemaymail the request to theSecretaryof theA17StandardsCommittee at the above address. The request for an inter-pretation should be clear and unambiguous. It is furtherrecommended that the Inquirer submit his/her request inthe following format:

Subject: Cite the applicable Section number(s)and the topic of the inquiry in one ortwo words.

Edition: Cite the applicable edition andsupplement of the Code for whichthe interpretation is beingrequested.

Question: Phrase the question as a request for aninterpretation of a specificrequirement suitable for generalunderstanding and use, not as arequest for an approval of aproprietary design or situation.Please provide a condensed andprecise question, composed in sucha way that a “yes” or “no” reply isacceptable.

ProposedReply(ies):

Provide a proposed reply(ies) in theform of “Yes” or “No,” withexplanation as needed. If enteringreplies to more than one question,please number the questions andreplies.

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BackgroundInformation:

Provide the Committee with anybackground information that willassist the Committee inunderstanding the inquiry. TheInquirer may also include any plansor drawings that are necessary toexplain the question; however, theyshould not contain proprietarynames or information.

Requests that arenot in the formatdescribedabovemaybe rewritten in the appropriate format by the Committeeprior to being answered, which may inadvertently changethe intent of the original request.

Moreover, ASME does not act as a consultant for specificengineering problems or for the general application orunderstanding of the Code requirements. If, based onthe inquiry information submitted, it is the opinion of

the Committee that the Inquirer should seek assistance,the inquiry will be returned with the recommendationthat such assistance be obtained.

ASME procedures provide for reconsideration of anyinterpretation when or if additional information thatmight affect an interpretation is available. Further,persons aggrieved by an interpretation may appeal tothe cognizant ASME Committee or Subcommittee.ASME does not “approve,” “certify,” “rate,” or “endorse”any item, construction, proprietary device, or activity.

Attending Committee Meetings. The A17 StandardsCommittee and the various Working Committees regu-larly hold meetings and/or telephone conferences thatare open to the public. Persons wishing to attend anymeeting and/or telephone conference should contactthe Secretary of the A17 Standards Committee.

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CSA PREFACE ð19Þ

This is the fifth edition of ASME A17.1/CSA B44, Safety Code for Elevators and Escalators. It supersedes the previouseditions of ASME A17.1/CSA B44, published in 2016, 2013, 2010, and 2007; and the previous editions of CSA B44,published in 2004, 2000, 1994, 1990, 1985, 1975, 1971, 1966, 1960, and 1938.

This Code is the result of a joint effort by the CSA B44 Technical Committee on the Elevator Safety Code and the ASMEA17 Committee on Elevators and Escalators to harmonize the provisions of CSA B44 and ASME A17.1. This edition ofASME A17.1/CSA B44 consists of the complete ASME A17.1 Code, with additional requirements applicable only in Cana-dian jurisdictions. These Canadian requirements are prefaced in the body of the Code by the following: “In jurisdictionsenforcing the NBCC …”.

CSA B44 was originally developed to facilitate the implementation of uniform legislation across Canada and to replacetheexisting legislation,whichhadproved inadequate forprevailingelevatorpractices. Theprimarypurposeof theCode isto establish minimum requirements, suitable for adoption by regulatory authorities throughout Canada, for the design,installation, andmaintenanceof elevators, escalators, dumbwaiters,movingwalks, andmaterial lifts. It is also intendedasa standard reference for architects, consulting engineers, elevator manufacturers, and building owners.

This Code was reviewed for use in Canada by the CSA Technical Committee on the Elevator Safety Code under thejurisdiction of the CSA Strategic Steering Committee on Mechanical Industrial Equipment Safety.

NOTES:(1) Use of the singular does not exclude the plural (and vice versa) when the sense allows.(2) Although the intended primary application of this Standard is stated in its Scope, it is important to note that it remains the

responsibility of the users of the Standard to judge its suitability for their particular purpose.(3) This Standardwas developedby consensus,which is definedbyCSAPolicy governing standardization—Codeof goodpractice for

standardization as “substantial agreement. Consensus implies much more than a simple majority, but not necessarily unanimity”. It isconsistent with this definition that a member may be included in the Technical Committee list and yet not be in full agreement with allclauses of this Standard.

(4) To submit a request for interpretation of this Standard, please send the following information to [email protected] andinclude “Request for interpretation” in the subject line:

(a) define the problem, making reference to the specific clause, and, where appropriate, include an illustrative sketch;(b) provide an explanation of circumstances surrounding the actual field condition; and(c) where possible, phrase the request in such a way that a specific “yes” or “no” answer will address the issue.

Committee interpretations are processed in accordance with the CSA Directives and guidelines governing standardization and areavailable on the Current Standards Activities page at http://standardsactivities.csa.ca.

(5) This Standard is subject to reviewwithin fiveyears fromthedateof publication. Suggestions for its improvementwill be referredto the appropriate committee. To submit a proposal for change, please send the following information to [email protected] andinclude “Proposal for change” in the subject line:

(a) Standard designation (number);(b) relevant clause, table, and/or figure number;(c) wording of the proposed change; and(d) rationale for the change.

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ASME A17.1-2019/CSA B44:19SUMMARY OF CHANGES

Following approval by the ASME A17 Elevators and Escalators Committee and ASME, and after public review, ASMEA17.1-2019/CSAB44:19was approvedby the AmericanNational Standards Institute onOctober8, 2019. It was issuedonDecember 31, 2019, and is effective as of June 30, 2020.

ASME A17.1-2019/CSA B44:19 incorporates the revisions and editorial changes made since the previously publishededition. Revisions are identified by a margin note, (19). Changes made to correct errors, as well as other new editorialchanges, are identified by (ED). The following is a summary of the latest revisions and changes.

Page Location Changex ASME Foreword Revisedxxiii ASME Preface Revisedxxvii CSA Preface Revised1 1.1.3 Revised2 Section 1.3 (1) Definitions of car door interlock, car door or gate electric

contact, door or gate electric contact, elevator discharge level,hoistway door electric contact, hoistway door combinationmechanical lock and closed detection means, hoistway doorinterlock, and mechanical lock revised

(2) Definitions of door locked detection means, dynamic braking;executable software;Fire ServiceAccessElevator (FSAE);manualreset; private residence elevator; relocation, escalator ormovingwalk; restrictor, car door; software-based parameters and/orvariables; unique software identifier (USI); and valve, manually(manual) operated added

21 2.2.2.5 Revised29 2.7.3.3.2 Revised30 2.7.5.1.2 Subparagraph (e) revised31 2.7.5.3 Reference to 8.6.11.9 corrected by errata32 2.7.5.3.1 Reference to 8.6.11.9 corrected by errata35 2.7.8 Revised36 2.8.2.4 Added36 2.8.3.1.4 Added37 2.8.3.3.2 Subparagraph (d) added37 2.8.3.3.4 Revised43 2.11.10.2 Revised44 2.11.11.5.7 Revised48 Section 2.12 Title revised49 2.12.1.5 Revised49 2.12.2.4 Revised in its entirety50 2.12.3 Title revised50 2.12.3.1 Introductory sentence revised51 2.12.3.4 Revised

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Page Location Change51 2.12.3.4.1 Revised51 2.12.3.4.2 Revised51 2.12.3.4.4 Revised51 2.12.3.5 Revised51 2.12.4 Revised in its entirety52 2.12.7.2.1 Revised57 2.13.3.4.10 Subparagraph (b) revised58 2.13.4.2.4 Revised58 2.13.5 Revised in its entirety61 2.14.1.5.1 Subparagraph (c) revised63 2.14.2.2 Subparagraph (g)(4) revised63 2.14.2.3.3 Subparagraph (b) and Note revised64 2.14.4.2 (1) Title revised

(2) Paragraph 2.14.4.2.1 revised(3) Paragraph 2.14.4.2.3 revised(4) Paragraphs 2.14.4.2.4 and 2.14.4.2.5 added and following

paragraphs redesignated(5) Paragraph 2.14.4.2.6 (formerly 2.14.4.2.4) revised(6) Paragraph 2.14.4.2.7 (formerly 2.14.4.2.5) revised

66 2.14.4.11 Subparagraphs (a) and (c) revised67 2.14.5.7 Revised67 2.14.5.7.5 Revised67 2.14.5.7.6 Added69 2.14.7.1.3 Subparagraph (g) revised75 2.16.3.1 Revised76 2.16.3.2.2 Subparagraph (f) added76 2.16.3.3 Revised in its entirety76 2.16.5.1 Revised76 2.16.5.2 Revised77 2.16.7.5 Revised79 Table 2.17.3 Title revised81 2.17.14 Introductory sentence revised81 2.17.16 Second paragraph revised83 2.18.5.3 Paragraph following (h) revised85 2.18.9 Introductory sentence revised85 2.19.2.1 Introductory sentence and subpara. (a) revised86 2.19.3.2 Subparagraphs (a)(5), (i)(1), (i)(2), and (k) revised87 2.19.3.3 Revised87 2.20.2.1 Introductory sentence revised87 2.20.2.2.1 Introductory sentence and subpara. (d) revised87 2.20.2.2.2 Introductory sentence revised89 2.20.8.1 Subparagraph (d)(2) revised95 2.20.10.9 Revised97 2.22.3.1 Revised

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Page Location Change98 2.22.3.3 Revised99 2.22.4.10 Revised100 2.22.4.11 Revised100 2.22.5.1 Subparagraph (c) deleted110 2.24.2.3.5 Added112 2.24.8.5 Revised112 2.24.9.2.1 Reference revised118 2.26.1.5 Last paragraph revised119 2.26.1.5.5 Revised119 2.26.1.5.6 Revised119 2.26.1.5.7 Revised119 2.26.1.5.8 Revised120 2.26.1.7 Added121 2.26.2.14 Revised121 2.26.2.15 Revised122 2.26.2.36 Revised122 2.26.2.37 Revised123 Table 2.26.4.3.2 Eighteenth and nineteenth rows revised124 2.26.4.4 Second paragraph revised125 2.26.5 Revised in its entirety126 2.26.9.3.1 Revised127 2.26.11 Introductory sentence revised127 2.26.12 Note revised127 Section 2.27 Note revised129 2.27.1.1 Revised in its entirety130 2.27.2.4.1 Revised131 2.27.2.4.2 Revised131 2.27.2.4.5 Revised131 2.27.2.4.6 Revised132 2.27.3.1.2 Revised132 2.27.3.1.6 (1) Introductory paragraph and subparas. (a), (h), (j), (k), and

(k)(1) revised(2) Note added after subpara. (n)(5)

134 2.27.3.2.3 Subparagraph (a) revised134 2.27.3.2.4 Revised134 2.27.3.2.5 Revised137 2.27.3.3.7 Revised138 2.27.3.5.1 Revised138 2.27.4.1 Revised139 2.27.4.2 Subparagraph (c) revised139 2.27.5.3 Revised139 2.27.6 Revised139 2.27.7 (1) Paragraph 2.27.7.1 revised

(2) Paragraph 2.27.7.4 deleted

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Page Location Change141 2.27.10 Revised in its entirety141 2.27.11 Revised in its entirety142 Figure 2.27.9 Revised145 2.28.1 Subparagraph (k) added150 3.7.1 Title added151 Section 3.12 Title revised151 3.12.2 Revised157 3.19.2.5 Revised in its entirety158 3.19.4.1 Revised in its entirety158 3.19.4.4 Revised162 3.26.1 Subparagraph (i) added163 3.26.4.2 Subparagraphs (c) and (d) revised164 3.26.8 Revised165 3.26.11 Added176 4.2.12 Paragraphs deleted and designator reserved for future use188 5.2.1.4.3 Revised188 5.2.1.4.4 Revised189 5.2.1.4.5 Revised190 5.2.1.16.2 Subparagraph (b) revised193 5.3.1.3 Revised in its entirety193 5.3.1.5 Revised194 5.3.1.6 Added and following paragraphs redesignated195 5.3.1.7 Formerly 5.3.1.6, title revised195 5.3.1.7.3 Added195 5.3.1.8.1 Formerly 5.3.1.7.1, revised196 5.3.1.9.1 Formerly 5.3.1.8.1, subpara. (f) added196 5.3.1.9.2 Formerly 5.3.1.8.2, subpara. (a) revised199 5.3.1.17.2 Formerly 5.3.1.16.2, subparas. (a)(8), (b)(1), (b)(3), (j)(2), and

(j)(4) revised201 5.3.1.19.9 Added221 Section 5.9 Revised230 Section 5.11 Revised232 6.1.3.3.6 (1) Subparagraph (b) revised

(2) Subparagraph (d) added235 6.1.3.9.1 Revised235 6.1.3.9.2 Revised236 6.1.3.9.3 Revised236 6.1.3.10 Revised236 6.1.3.10.2 Revised236 6.1.3.10.3 Revised236 6.1.3.10.4 Revised236 6.1.3.12 Revised237 6.1.5.3.1 Subparagraph (a) revised238 6.1.5.3.3 Revised

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Page Location Change238 6.1.5.3.4 Added239 6.1.6.3.1 Subparagraphs (a) and (c) revised239 6.1.6.3.3 Subparagraph (a) revised240 6.1.6.3.6 Revised240 6.1.6.3.7 Revised240 6.1.6.3.9 Revised240 6.1.6.3.11 Revised240 6.1.6.3.12 Revised241 6.1.6.3.14 Revised241 6.1.6.3.16 Revised241 6.1.6.4 Revised241 6.1.6.5 Revised241 6.1.6.6 Revised241 6.1.6.8 Revised243 6.1.6.10.4 Subparagraph (c) revised243 6.1.6.11 Revised243 6.1.6.13 Revised245 6.2.3.3.6 Revised248 6.2.3.10.1 Revised248 6.2.3.10.2 Revised248 6.2.3.10.3 Revised249 6.2.3.11 Revised in its entirety249 6.2.3.15 Revised250 6.2.5.3.1 Subparagraph (a) revised250 6.2.5.3.3 Added252 6.2.6.3.1 Subparagraphs (a) and (c) revised252 6.2.6.3.3 Revised252 6.2.6.3.6 Revised252 6.2.6.3.8 Revised252 6.2.6.3.9 Revised253 6.2.6.3.10 Revised253 6.2.6.4 Revised253 6.2.6.5 Revised253 6.2.6.6 Revised253 6.2.6.7 Revised254 6.2.6.10.4 Subparagraph (c) revised254 6.2.6.11 Revised in its entirety255 6.2.6.13 Revised257 Scope, Part 7 Revised257 Section 7.1 Title and introductory paragraph revised259 7.1.10 Revised259 7.1.11 Paragraphs 7.1.11.1.2, 7.1.11.2.2, 7.1.11.3.2, and 7.1.11.12.9

deleted260 7.1.12 Paragraph7.1.12.2deletedanddesignator reserved for futureuse

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Page Location Change262 Section 7.2 (1) Title and introductory paragraph revised

(2) Paragraph 7.2.4.3 deleted and designator reserved for futureuse

(3) Paragraphs 7.2.6.1.2 and 7.2.10.2 deleted269 7.4.3 Introductory paragraphs revised270 7.4.4 Revised272 7.4.13.2 Paragraphs 7.4.13.2.4 through 7.4.13.2.11 redesignated as

7.4.13.2.3 through 7.4.13.2.10274 7.5.1.1.7 Revised in its entirety276 7.5.10 Revised280 7.6.7 Revised in its entirety280 7.6.8.1 Revised284 8.1.2 (1) Subparagraph (p) of Note revised

(2) Subparagraph (z) of Note added284 8.1.3 Subparagraphs (n) and (o) of Note added304 Section 8.3 (1) Subparagraph (a)(6) revised

(2) Subparagraph (b)(7) added307 8.3.3.1 Revised307 8.3.3.3.1 Revised in its entirety308 8.3.3.3.2 Revised308 8.3.3.4 Revised308 8.3.3.4.2 Revised308 8.3.3.4.3 Revised309 8.3.3.4.6 Revised309 8.3.3.4.10 Revised309 8.3.3.4.11 Revised310 8.3.6 Title revised310 8.3.6.1 Revised314 8.3.14 Added315 8.3.15 Added315 Section 8.4 Subparagraph (a)(3) revised335 8.4.10.1.4 Subparagraph (c) revised334 Figure 8.4.10.1.3 Revised342 Section 8.5 Subparagraph (a)(3) revised345 8.6.1.1.2 Notes added345 8.6.1.1.4 Added346 8.6.1.2.2 Subparagraphs (e) and (f) added347 8.6.1.2.3 Added347 8.6.1.4.1 Subparagraphs (b)(3) and (d)(2) added349 8.6.2.3 Revised352 8.6.4.2.2 Revised354 8.6.4.19.2 Subparagraph (b)(1) revised355 8.6.4.19.8 Revised356 8.6.4.19.18 Added356 8.6.4.19.19 Added

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Page Location Change356 8.6.4.19.20 Added356 8.6.4.20.1 Subparagraphs (a) and (b)(2) revised359 8.6.4.23 Added360 8.6.5.14.3 (1) Subparagraph (g) revised

(2) Subparagraph (j) added360 8.6.5.14.6 Revised360 8.6.5.14.9 Added360 8.6.5.14.10 Added361 8.6.5.16.4 Revised361 8.6.6.1.1 Revised363 8.6.7.9.6 Added363 8.6.8 Revised364 8.6.8.3.3 Revised364 8.6.8.5 Subparagraph (a) revised365 8.6.8.15 Title revised365 8.6.8.15.4 Revised in its entirety367 8.6.8.15.25 Added367 8.6.8.15.26 Added367 8.6.9 Introductory paragraph revised368 8.6.9.14 Added368 8.6.10.1.1 Revised368 8.6.11.1 Revised371 8.7.1.4 Revised372 8.7.1.10 Added372 8.7.2.2 Introductory paragraph added372 8.7.2.3 Revised372 8.7.2.4 Revised372 8.7.2.5 Revised372 8.7.2.6 Revised372 8.7.2.7 Introductory paragraph added373 8.7.2.8 Revised373 8.7.2.10.1 Revised373 8.7.2.10.2 Revised373 8.7.2.10.3 Revised373 8.7.2.10.4 Revised374 8.7.2.11 Introductory paragraph added374 8.7.2.11.5 Revised374 8.7.2.12 Revised374 8.7.2.13 Revised374 8.7.2.14 Introductory paragraph added375 8.7.2.14.5 Revised375 8.7.2.15.1 Revised375 8.7.2.15.2 Revised376 8.7.2.16.1 Revised

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Page Location Change376 8.7.2.16.2 Revised376 8.7.2.16.3 Revised376 8.7.2.16.4 Revised376 8.7.2.17.1 Revised377 8.7.2.17.2 Revised377 8.7.2.18 Introductory paragraph added378 8.7.2.19 Revised378 8.7.2.20 Revised378 8.7.2.21 Introductory paragraph added378 8.7.2.22 Introductory paragraph added378 8.7.2.23 Revised378 8.7.2.24 Revised379 8.7.2.25.1 Revised379 8.7.2.25.2 Revised379 8.7.2.26 Revised379 8.7.2.27.1 Revised379 8.7.2.27.2 Revised379 8.7.2.27.3 Revised379 8.7.2.27.4 Revised380 8.7.2.27.5 Revised381 8.7.2.27.6 Revised381 8.7.2.27.7 Revised381 8.7.2.27.8 Revised381 8.7.2.27.9 Revised382 8.7.2.28 Revised382 8.7.3.2.1 Revised382 8.7.3.3 Revised382 8.7.3.4 Revised382 8.7.3.5 Revised382 8.7.3.6 Revised382 8.7.3.7 Revised382 8.7.3.8 Revised383 8.7.3.10 Revised383 8.7.3.11 Revised383 8.7.3.12 Revised383 8.7.3.13.1 Revised383 8.7.3.13.2 Revised383 8.7.3.14 Revised383 8.7.3.15.1 Revised383 8.7.3.15.2 Revised383 8.7.3.15.3 Revised383 8.7.3.16 Revised383 8.7.3.17 Revised383 8.7.3.18 Revised

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Page Location Change384 8.7.3.19 Revised384 8.7.3.20 Revised384 8.7.3.21 Revised384 8.7.3.22.1 Revised384 8.7.3.22.2 Revised384 8.7.3.22.3 Revised384 8.7.3.23.1 Revised384 8.7.3.23.2 Revised384 8.7.3.23.3 Revised384 8.7.3.23.4 Revised384 8.7.3.23.5 Revised385 8.7.3.23.6 Revised385 8.7.3.23.7 Revised385 8.7.3.24 Revised385 8.7.3.25.1 Revised385 8.7.3.26 Revised385 8.7.3.27 Revised385 8.7.3.28 Revised385 8.7.3.30 Revised385 8.7.3.31.1 Revised385 8.7.3.31.2 Revised385 8.7.3.31.3 Revised385 8.7.3.31.4 Revised386 8.7.3.31.5 Revised386 8.7.3.31.6 Revised387 8.7.3.31.7 Revised387 8.7.3.31.8 Revised388 8.7.3.31.9 Revised388 8.7.3.31.10 Revised388 8.7.3.31.11 Revised388 8.7.3.31.12 Revised388 8.7.3.31.13 Added389 8.7.5.7 Revised in its entirety395 8.7.6.1.5 Introductory paragraph added395 8.7.6.1.6 Revised395 8.7.6.1.7 Revised395 8.7.6.1.8 Revised395 8.7.6.1.9 Revised395 8.7.6.1.10 Revised395 8.7.6.1.11 Revised395 8.7.6.1.12 Revised395 8.7.6.1.13 Revised395 8.7.6.1.14 Revised395 8.7.6.1.15 Revised

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Page Location Change395 8.7.6.1.16 Revised395 8.7.6.1.17 Revised395 8.7.6.1.18 Revised395 8.7.6.1.19 Added396 8.7.6.2.5 Revised396 8.7.6.2.6 Revised396 8.7.6.2.7 Revised396 8.7.6.2.8 Revised396 8.7.6.2.9 Revised396 8.7.6.2.10 Revised396 8.7.6.2.11 Revised396 8.7.6.2.12 Revised396 8.7.6.2.13 Revised396 8.7.6.2.14 Revised396 8.7.6.2.15 Revised396 8.7.6.2.16 Revised397 8.7.6.2.17 Revised397 8.7.6.2.18 Added397 8.7.6.2.19 Added398 8.10.1.3 Notes revised399 8.10.2.2.1 Subparagraphs (i) and (j)(2) revised400 8.10.2.2.2 (1) Subparagraphs (ff)(4) and (tt) added

(2) Subparagraphs (ii)(1)(-b), (ii)(1)(-c), (ii)(1)(-f), (ii)(4)(-a),(ii)(4)(-b), and (ii)(4)(-c) revised

403 8.10.2.2.3 Subparagraph (k) revised405 8.10.2.2.7 In subpara. (a)(1), reference to 8.6.11.9 corrected by errata405 8.10.2.3.2 (1) Subparagraphs (a), (d), (g), (i), (j), (l) through (q), (s), and (u)

revised(2) Subparagraphs (v) through (rr) added

408 8.10.3.2.2 Subparagraph (jj) added410 8.10.3.2.5 Subparagraphs (d) and (n) revised411 8.10.3.2.7 In subpara. (a)(1), reference to 8.6.11.9 corrected by errata411 8.10.3.3.2 (1) Subparagraphs (a), (d), (g), (j), (n), (o), and (q) through (s)

revised(2) Subparagraphs (t) through (pp) added

413 8.10.4.1.1 Subparagraph (p)(3) revised414 8.10.4.1.2 Subparagraph (t) revised416 8.10.4.2.2 (1) Subparagraphs (i) and (j) revised

(2) Subparagraphs (k) through (o) added419 8.11.1.2 Notes revised420 8.11.2.1.2 Subparagraph (oo) added421 8.11.2.1.6 Revised in its entirety421 8.11.2.1.7 In subpara. (a)(1), reference to 8.6.11.9 corrected by errata422 8.11.3.1.2 Subparagraph (dd) added

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Page Location Change423 8.11.3.1.5 (1) Subparagraph (d) revised

(2) Subparagraph (r) added423 8.11.3.1.7 In subpara. (a)(1), reference to 8.6.11.9 corrected by errata423 8.11.4.1 Subparagraph (k) revised425 Section 8.13 Added427 Part 9 (1) Introductory text revised

(2) In Section 9.1, ADA/ABAAG and FED-STD-595C added(3) In Section 9.1, ASME A17.8/CSA B44.8, ASME B29.1, ASME

B29.8, ASME B29.100, CSA C22.2 No. 141, and UL 924 revised(4) InSection9.1,ASMEB29.2M-1982(R1987)andASMEB29.15-

1973 (R1987) deleted(5) Section 9.2 updated

449 Table F-1 Revised452 Figure G-1 Revised466 Nonmandatory Appendix L Revised483 Table P-1 Title revised489 Nonmandatory Appendix S (1) Title revised

(2) Figures S-13 through S-16 added510 Table X-1 Lines 10, 11, 24, and 27 revised511 Table X-2 (1) Line 19 deleted and following lines redesignated

(2) Lines24 (formerly 25), 28 (formerly 29), and 29 (formerly30)revised

512 Table X-3 Lines 1, 3, 17, 22, and 25 revised513 Table X-4 Lines 1, 3, 16, and 21 revised519 Nonmandatory Appendix AA Added522 Index Updated

NOTE: The InterpretationsofASMEA17.1areno longerpublished ina separate supplement to theedition. Interpretations are issued inreal time in ASME’s Interpretation Database at http://go.asme.org/Interpretations.

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Part 1General

SECTION 1.1SCOPE

1.1.1 Equipment Covered by This Code

This Code covers the design, construction, operation,inspection, testing, maintenance, alteration, and repairof the following equipment and its associated parts,rooms, spaces, and hoistways, where located in or adja-cent to a building or structure (see Section 1.2):

(a) hoisting and lowering mechanisms, equipped witha car, that move between two or more landings. Thisequipment includes, but is not limited to, elevators(see Section 1.3).

(b) power-driven stairways and walkways for carryingpersonsbetween landings. This equipment includes, but isnot limited to, escalators and moving walks (seeSection 1.3).

(c) hoisting and lowering mechanisms equipped with acar that serves two or more landings and is restricted tothe carryingofmaterial by its limited sizeor limited accessto the car. This equipment includes, but is not limited to,dumbwaiters andmaterial lifts; it doesnot includeverticalreciprocating conveyors (see Section 1.3).

1.1.2 Equipment Not Covered by This Code

Equipment not covered by this Code includes, but is notlimited to, the following:

(a) personnelhoistswithin thescopeofANSIA10.4andCSA Z185

(b) material hoists within the scope of ANSI A10.5 andCSA Z256

(c) platform lifts and stairway chairlifts within thescope of ASME A18.1, CSA B355, and CSA B613

(d) manlifts within the scope of ASME A90.1 and CSAB311, and in jurisdictions enforcing the National BuildingCode of Canada (NBCC), special purpose personnel eleva-tors (Section 5.7)

(e) mobile scaffolds and towers; platforms within thescope of ANSI/SAIA A92 and CSA B354

(f) powered platforms and equipment for exterior andinterior building maintenance within the scope of ASMEA120.1 and CSA Z271

(g) conveyors and related equipment within the scopeof ASME B20.1

(h) cranes, derricks, hoists, hooks, jacks, and slingswithin the scope of ASME B30, CSA Z150, CSA B167,CSA Z202, and CSA Z248

(i) industrial trucks within the scope of ASME B56 andCSA B335

(j) portable equipment, except for portable escalators,that are covered by Section 6.1

(k) tiering or piling machines used to move material toand from storage located and operating entirely withinone story

(l) equipment for feeding or positioning material atmachine tools, printing presses, etc.

(m) skip or furnace hoists(n) wharf ramps(o) amusement devices(p) stage and orchestra lifts(q) lift bridges(r) railroad car lifts and dumpers(s) mechanized parking garage equipment(t) line jacks, false cars, shafters, moving platforms, and

similar equipment used for installing an elevator(u) platform-typeelevators installedonboardamarine

vesselNOTES:(1) A maritime, industrial-use device with no car enclosure.

Controls are located outside of the hoistway. Typicallyuses elevator-type rail systems and elevator-type interlocksystems.

(2) Not a platform lift within the scope of ASME A18.1.(v) dock levelers (freight platform lifts) having a rise of

500 mm (20 in.) or less(w) in Canadian jurisdictions, devices having a rise of

2000 mm (79 in.) or less and used only for the transfer ofmaterials or equipment

(x) in jurisdictions enforcing the NBCC, mine elevatorswithin the scope of Section 5.9

1.1.3 ð19ÞApplication of Parts

This Code applies to new installations only, exceptPart 1 and Sections 5.10, 8.1, and 8.6 through 8.12,which apply to both new and existing installations.

1.1.4 Effective Date

The requirements of this edition of the Code are effec-tive as of the date noted on the Summary of Changes pageof this Code, with the exception of 8.10.1.1.3 and 8.11.1.1,

ASME A17.1-2019/CSA B44:19

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Safety Code for Elevators and Escalators · 2020-02-13 · Elevators and Escalators Includes...

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