ASME A17.1-2010/CSA B44-10

(Revision of ASME A17.1-2007 and CSA B44-07)

Safety Code for Elevators and Escalators

Includes 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

INTENTIONALLY LEFT BLANK

ASME A17.1-2010/CSA B44-10

(Revision of ASME A17.1-2007 and CSA B44-07)

ASME A17.1-2010/CSA B44-10

(Revision of ASME A17.1-2007 and CSA B44-07)

Safety Code for Elevators and Escalators

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

AN AMERICAN NA TIONAL S T AND ARD

Date of Issuance: December 30, 2010

The next edition of this Code is scheduled for publication in 2013. This Code will become effective 6 months after the Date of Issuance. There will be no addenda issued to this edition.

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The American Society of Mechanical Engineers Three Park Avenue, New York, NY 10016-5990

Copyright © 2010 by

THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS

All rights reserved Printed in U.S.A.

CONTENTS

ASME Foreword viii

ASME Committee Roster xii

CSA Committees xvii

ASME Preface xix

CSA Preface xxii

Summary of Changes xxiii

Part 1 General 1

1. Scope 1

2. Purpose and Exceptions 2

3. Definitions 2

Part 2 Electric Elevators 18

1. Construction of Hoistways and Hoistway Enclosures 18

2. Pits 20

3. Location and Guarding of Counterweights 22

4. Vertical Clearances and Runbys for Cars and Counterweights 23

5. Horizontal Car and Counterweight Clearances 25

6. Protection of Space Below Hoistways 26

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

   Rooms 26

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

   Control Spaces, and Control Rooms 34

9. Machinery and Sheave Beams, Supports, and Foundations 35

10. Guarding of Equipment and Standard Railing 37

11. Protection of Hoistway Openings 38

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

    Access Switches 46

13. Power Operation of Hoistway Doors and Car Doors 50

14. Car Enclosures, Car Doors and Gates, and Car Illumination 55

15. Car Frames and Platforms 64

16. Capacity and Loading 67

17. Car and Counterweight Safeties 72

18. Speed Governors 75

19. Ascending Car Overspeed and Unintended Car Movement

    Protection 78

20. Suspension Means and Their Connections 80

21. Counterweights 89

22. Buffers and Bumpers 90

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

    Fastenings 92

24. Driving Machines and Sheaves 101

25. Terminal Stopping Devices 104

26. Operating Devices and Control Equipment 106

27. Emergency Operation and Signaling Devices 117

28. Layout Drawings 127

29. Identification 128

Part 3 Hydraulic Elevators 130

1. Construction of Hoistways and Hoistway Enclosures 130

2. Pits 130

iii

iv

1. Electric and Hand Dumbwaiters Without Automatic Transfer

   Devices 230

2. Hydraulic Dumbwaiters Without Automatic Transfer Devices 236

3. Material Lifts Without Automatic Transfer Devices 238

4. Electric Material Lifts Without Automatic Transfer Devices 242

5. Hydraulic Material Lifts Without Automatic Transfer Devices 247

6. Automatic Transfer Devices 249

7. Power Dumbwaiters With Automatic Transfer Devices 249

8. Electric Material Lifts With Automatic Transfer Devices 249

9. Hydraulic Material Lifts With Automatic Transfer Devices 251

10. Material Lifts With Obscured Transfer Devices 251

Part 8 General Requirements 252

1. Security 252

2. Design Data and Formulas 253

3. Engineering Tests, Type Tests, and Certification 271

4. Elevator Safety Requirements for Seismic Risk Zone 2 or Greater 279

5. Escalator and Moving Walk Safety Requirement for Seismic Risk

   Zone 2 or Greater 301

6. Maintenance, Repair, Replacement, and Testing 302

7. Alterations 321

8. Welding 336

9. Code Data Plate 336

10. Acceptance Inspections and Tests 337

11. Periodic Inspections and Witnessing of Tests 353

12. Flood Resistances 359

Part 9 Reference Codes, Standards, and Specifications 360

1. Reference Documents 361

2. Procurement Information 367

Figures

2.16.1.1 Inside Net Platform Areas for Passenger Elevators 68

1. Tapered Rope Sockets 85

2. Wedge Rope Sockets 85

2.23.3 Elevator Guide Rails 93

2.23.4.1-1 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 95

2.23.4.1-2 Minimum Moment of Inertia About x-x Axis for a Single Guide Rail

With Its Reinforcement 96

2.27.3.1.6(h) Visual Signal 121

2.27.3.3.7 Panel Layout 124

1. Phase I Emergency Recall Operation Instructions 126

2. Phase II Emergency In-Car Operation 127

2.27.9 Elevator Corridor Call Station Pictograph 129

5.1.17.3 Vertical and Horizontal Components of Velocity 161

6.1.3.3.10 Dimensions 204

6.1.6.9.1 Caution Sign 212

8.2.1.2 Minimum Rated Load for Passenger Elevators 254

8.2.2.5.1 Turning Moment Based on Class of Loading 256

1. Gravity Stopping Distances 258

2. Maximum Governor Tripping Speeds 259

3. Stopping Distances for Type B Car and Counterweight Safeties 261

4. Minimum Factors of Safety of Suspension Members of Power

Passenger and Freight Elevators 264

8.2.8.1.1 Allowable Gross Loads 266

8.2.9.1.3 Load Distribution 269

v

8.4.3.1.3 Arc of Contact 280

8.4.8.2-1 12 kg/m (8 lb/ft) Guide-Rail Bracket Spacing 283

8.4.8.2-2 16.5 kg/m (11 lb/ft) Guide-Rail Bracket Spacing 284

8.4.8.2-3 18 kg/m (12 lb/ft) Guide-Rail Bracket Spacing 285