Safety Code for Elevators and Escalators

Includes Requirements for Elevators, Escalators, Dumbwaiters, Moving Walks, Material Lifts, and Dumbwaiters With Automatic Transfer Devices

ASME A17.1-2016/CSA B44-16

(Revision of ASME A17.1-2013/CSA B44-13)

ASME A17.1-2016/CSA B44-16

(Revision of ASME A17.1-2013/CSA B44-13)

Safety Code for Elevators and Escalators

Includes Requirements for Elevators, Escalators, Dumbwaiters, Moving Walks, Material Lifts, and Dumbwaiters With Automatic Transfer Devices

Date of Issuance: November 30, 2016

The next edition of this Code is scheduled for publication in 2019. This Code will become effective 6 months after the Date of Issuance.

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CONTENTS

ASME Foreword viii

ASME Committee Roster xiii

CSA Committees xix

ASME Preface xxi

CSA Preface xxiv

Summary of Changes xxv

Part 1 General 1

1. Scope 1

2. Purpose and Exceptions 2

3. Definitions 2

Part 2 Electric Elevators 19

1. Construction of Hoistways and Hoistway Enclosures 19

2. Pits 21

3. Location and Guarding of Counterweights 23

4. Vertical Clearances and Runbys for Cars and Counterweights 24

5. Horizontal Car and Counterweight Clearances 26

6. Protection of Space Below Hoistways 27

7. Machinery Spaces, Machine Rooms, Control Spaces, and Control

   Rooms 27

8. Equipment in Hoistways, Machinery Spaces, Machine Rooms,

   Control Spaces, and Control Rooms 35

9. Machinery and Sheave Beams, Supports, and Foundations 37

10. Guarding of Equipment and Standard Railing 39

11. Protection of Hoistway Openings 39

12. Hoistway Door Locking Devices and Electric Contacts, and Hoistway

    Access Switches 47

13. Power Operation of Hoistway Doors and Car Doors 52

14. Car Enclosures, Car Doors and Gates, and Car Illumination 57

15. Car Frames and Platforms 67

16. Capacity and Loading 70

17. Car and Counterweight Safeties 75

18. Speed Governors 78

19. Ascending Car Overspeed and Unintended Car Movement

    Protection 81

20. Suspension Means and Their Connections 83

21. Counterweights 92

22. Buffers and Bumpers 93

23. Car and Counterweight Guide Rails, Guide-Rail Supports, and

    Fastenings 96

24. Driving Machines and Sheaves 105

25. Terminal Stopping Devices 108

26. Operating Devices and Control Equipment 112

27. Emergency Operation and Signaling Devices 123

28. Layout Drawings 140

29. Identification 140

30. Sway Control Guides 141

Part 3 Hydraulic Elevators 142

3.1 Construction of Hoistways and Hoistway Enclosures 142

iii