ASME A17.1-2016/CSA B44-16 - Safety Code for Elevators and Escalators

CONTENTS
ASME FOREWORD
ASME A17 COMMITTEE ROSTER
	STANDARDS COMMITTEE
	Honorary Members
	Regulatory Advisory Council
	NATIONAL INTEREST REVIEW GROUP
	B44.1/A17.5 ELEVATOR AND ESCALATOR ELECTRICAL EQUIPMENT COMMITTEE
	CODE COORDINATION COMMITTEE
	DUMBWAITER AND ATD COMMITTEE
	EARTHQUAKE SAFETY COMMITTEE
	EDITORIAL COMMITTEE
	ELECTRICAL COMMITTEE
	ELEVATORS USED FOR CONSTRUCTION COMMITTEE
	EMERGENCY OPERATIONS COMMITTEE
	EMERGENCY PERSONNEL COMMITTEE
	ESCALATOR AND MOVING WALK COMMITTEE
	EXISTING INSTALLATIONS COMMITTEE
	HAND AND SIDEWALK ELEVATOR COMMITTEE
	HOISTWAY COMMITTEE
	HYDRAULIC COMMITTEE
	INCLINED ELEVATOR COMMITTEE
	INSPECTIONS COMMITTEE
	INTERNATIONAL STANDARDS COMMITTEE
	LIMITED-USE/LIMITED-APPLICATION ELEVATOR COMMITTEE
	MAINTENANCE, REPAIR, AND REPLACEMENT COMMITTEE
	MARINE ELEVATOR COMMITTEE
	MECHANICAL DESIGN COMMITTEE
	MINE ELEVATOR COMMITTEE
	NEW TECHNOLOGY COMMITTEE
	OUTSIDE EMERGENCY ELEVATOR COMMITTEE
	QUALIFICATION OF ELEVATOR INSPECTORS QEI COMMITTEE
	RACK-AND-PINION AND SPECIAL PURPOSE PERSONNEL ELEVATOR COMMITTEE
	RESIDENCE ELEVATOR COMMITTEE
	WIND TURBINE ELEVATOR COMMITTEE
CSA B44 COMMITTEE ON THE ELEVATOR SAFETY CODE
	TECHNICAL COMMITTEE
	Associate Members
	CSA B44.1/ASME A17.5 JOINT COMMITTEE ON ELEVATOR AND ESCALATOR ELECTRICAL EQUIPMENT
ASME PREFACE
	GENERAL
	APPLICATION OF REQUIREMENTS TO NEW TECHNOLOGY
	FORM AND ARRANGEMENT
	METRIC SI UNITS
	ASME ELEVATOR PUBLICATIONS
	CORRESPONDENCE WITH A17 COMMITTEE
CSA PREFACE
SUMMARY OF CHANGES
SAFETY CODE FOR ELEVATORS AND ESCALATORS
Part 1 General
	SECTION 1.1 SCOPE
	SECTION 1.2 PURPOSE AND EXCEPTIONS
	SECTION 1.3 DEFINITIONS
Part 2 Electric Elevators
	SCOPE
	SECTION 2.1 CONSTRUCTION OF HOISTWAYS AND HOISTWAY ENCLOSURES
	SECTION 2.2 PITS
	SECTION 2.3 LOCATION AND GUARDING OF COUNTERWElGHTS
	SECTION 2.4 VERTICAL CLEARANCES AND RUNBYS FOR CARS AND COUNTERWEIGHTS
	SECTION 2.5 HORIZONTAL CAR AND COUNTERWEIGHT CLEARANCES
	SECTION 2.6 PROTECTION OF SPACE BELOW HOlSTWAYS
	SECTION 2.7 MACHINERY SPACES, MACHINE ROOMS, CONTROL SPACES, AND CONTROL ROOMS
	SECTION 2.8 EQUIPMENT IN HOISTWAYS, MACHINERY SPACES, MACHINE ROOMS, CONTROL SPACES, AND CONTROL ROOMS
	SECTION 2.9 MACHINERY AND SHEAVE BEAMS, SUPPORTS, AND FOUNDATIONS
	SECTION 2.10 GUARDING OF EQUIPMENT AND STANDARD RAILING
	SECTION 2.11 PROTECTION OF HOISTWAY OPENINGS
	SECTION 2.12 HOISTWAY DOOR LOCKING DEVICES AND ELECTRIC CONTACTS, AND HOISTWAY ACCESS SWITCHES
	SECTION 2.13 POWER OPERATION OF HOISTWAY DOORS AND CAR DOORS
	SECTION 2.14 CAR ENCLOSURES, CAR DOORS AND GATES, AND CAR ILLUMINATION
	SECTION 2.15 CAR FRAMES AND PLATFORMS
	SECTION 2.16 CAPACITY AND LOADING
	SECTION 2.17 CAR AND COUNTERWEIGHT SAFETIES
	SECTION 2.18 SPEED GOVERNORS
	SECTION 2.19 ASCENDING CAR OVERSPEED AND UNINTENDED CAR MOVEMENT PROTECTION
	SECTION 2.20 SUSPENSION MEANS AND THEIR CONNECTIONS
	SECTION 2.21 COUNTERWEIGHTS
	SECTION 2.22 BUFFERS AND BUMPERS
	SECTION 2.23 CAR AND COUNTERWEIGHT GUIDE RAILS, GUIDEÃRAIL SUPPORTS, AND FASTENINGS
	SECTION 2.24 DRIVING MACHINES AND SHEAVES
	SECTION 2.25 TERMINAL STOPPING DEVICES
	SECTION 2.26 OPERATING DEVICES AND CONTROL EQUIPMENT
	SECTION 2.27 EMERGENCY OPERATION AND SIGNALING DEVICES
	SECTION 2.28 LAYOUT DRAWINGS
	SECTION 2.29 IDENTIFICATION
	SECTION 2.30 SWAY CONTROL GUIDES
Part 3 Hydraulic Elevators
	SCOPE
	SECTION 3.1 CONSTRUCTION OF HOISTWAYS AND HOISTWAY ENCLOSURES
	SECTION 3.2 PITS
	SECTION 3.3 LOCATION AND GUARDING OF COUNTERWEIGHTS
	SECTION 3.4 BOTTOM AND TOP CLEARANCES AND RUNBYS FOR CARS AND COUNTERWEIGHTS
	SECTION 3.5 HORIZONTAL CAR AND COUNTERWEIGHT CLEARANCES
	SECTION 3.6 PROTECTION OF SPACES BELOW HOISTWAY
	SECTION 3.7 MACHINERY SPACES, MACHINE ROOMS, CONTROL SPACES, AND CONTROL ROOMS
	SECTION 3.8 ELECTRICAL EQUIPMENT, WIRING, PIPES, AND DUCTS IN HOISTWAY, MACHINERY SPACES, MACHINE ROOMS, CONTROL SPACES, AND CONTROL ROOMS
	SECTION 3.9 MACHINERY AND SHEAVE BEAMS, SUPPORTS, AND FOUNDATIONS
	SECTION 3.10 GUARDING OF EXPOSED AUXILIARY EQUIPMENT
	SECTION 3.11 PROTECTION OF HOISTWAY LANDING OPENINGS
	SECTION 3.12 HOISTWAY DOOR LOCKING DEVICES, ELECTRIC CONTACTS, AND HOISTWAY ACCESS SWITCHES
	SECTION 3.13 POWER OPERATION, POWER OPENING, AND POWER CLOSING OF HOISTWAY DOORS AND CAR DOORS OR GATES
	SECTION 3.14 CAR ENCLOSURES, CAR DOORS AND GATES, AND CAR ILLUMINATION
	SECTION 3.15 CAR FRAMES AND PLATFORMS
	SECTION 3.16 CAPACITY AND LOADING
	SECTION 3.17 CAR SAFETIES, COUNTERWEIGHT SAFETIES, PLUNGER GRIPPER, AND GOVERNORS
	SECTION 3.18 HYDRAULIC JACKS
	SECTION 3.19 VALVES, PRESSURE PIPING, AND FITTINGS
	SECTION 3.20 ROPES AND ROPE CONNECTIONS
	SECTION 3.21 COUNTERWEIGHTS
	SECTION 3.22 BUFFERS AND BUMPERS
	SECTION 3.23 GUIDE RAILS, GUIDE-RAIL SUPPORTS, AND FASTENINGS
	SECTION 3.24 HYDRAULIC MACHINES AND TANKS
	SECTION 3.25 TERMINAL STOPPING DEVICES
	SECTION 3.26 OPERATING DEVICES AND CONTROL EQUIPMENT
	SECTION 3.27 EMERGENCY OPERATION AND SIGNALING DEVICES
	SECTION 3.28 LAYOUT DATA
	SECTION 3.29 IDENTIFICATION
Part 4 Elevators With Other Types of Driving Machines
	SCOPE
	SECTION 4.1 RACK-AND-PINION ELEVATORS
	SECTION 4.2 SCREW-COLUMN ELEVATORS
	SECTION 4.3 HAND ELEVATORS
Part 5 Special Application Elevators
	SCOPE
	SECTION 5.1 INCLINED ELEVATORS
	SECTION 5.2 LIMITED-USE/LIMITED-APPLICATION ELEVATORS
	SECTION 5.4 PRIVATE RESIDENCE INCLINED ELEVATORS
	SECTION 5.5 POWER SIDEWALK ELEVATORS
	SECTION 5.6 ROOFTOP ELEVATORS
	SECTION 5.7 SPECIAL PURPOSE PERSONNEL ELEVATORS
	SECTION 5.9 MINE ELEVATORS
	SECTION 5.10 ELEVATORS USED FOR CONSTRUCTION
	SECTION 5.11 WIND TURBINE TOWER ELEVATORS
	SECTION 5.12 OUTSIDE EMERGENCY ELEVATORS
Part 6 Escalators and Moving Walks
	SCOPE
	SECTION 6.1 ESCALATORS
	SECTION 6.2 MOVING WALKS
Part 7 Dumbwaiters and Material Lifts
	SCOPE
	SECTION 7.1 POWER AND HAND DUMBWAITERS WITHOUT AUTOMATIC TRANSFER DEVICES
	SECTION 7.2 ELECTRIC AND HAND DUMBWAITERS WITHOUT AUTOMATIC TRANSFER DEVICES
	SECTION 7.3 HYDRAULIC DUMBWAITERS WITHOUT AUTOMATIC TRANSFER DEVICES
	SECTION 7.4 MATERIAL LIFTS WITHOUT AUTOMATIC TRANSFER DEVICES
	SECTION 7.5 ELECTRIC MATERIAL LIFTS WITHOUT AUTOMATIC TRANSFER DEVICES
	SECTION 7.6 HYDRAULIC MATERIAL LIFTS WITHOUT AUTOMATIC TRANSFER DEVICES
	SECTION 7.7 AUTOMATIC TRANSFER DEVICES
	SECTION 7.8 POWER DUMBWAITERS WITH AUTOMATIC TRANSFER DEVICES
	SECTION 7.9 ELECTRIC MATERIAL LIFTS WITH AUTOMATIC TRANSFER DEVICES
	SECTION 7.10 HYDRAULIC MATERIAL LIFTS WITH AUTOMATIC TRANSFER DEVICES
Part 8 General Requirements
	SCOPE
	SECTION 8.1 SECURITY
	SECTION 8.2 DESIGN DATA AND FORMULAS
	SECTION 8.3 ENGINEERING TESTS, TYPE TESTS, AND CERTIFICATION
	SECTION 8.4 ELEVATOR SEISMIC REQUIREMENTS
	SECTION 8.5 ESCALATOR AND MOVING WALK SEISMIC REQUIREMENTS
	SECTION 8.6 MAINTENANCE, REPAIR, REPLACEMENT, AND TESTING
	SECTION 8.7 ALTERATIONS
	SECTION 8.8 WELDING
	SECTION 8.9 CODE DATA PLATE
	SECTION 8.10 ACCEPTANCE INSPECTIONS AND TESTS
	SECTION 8.11 PERIODIC INSPECTIONS AND WITNESSING OF TESTS
	SECTION 8.12 FLOOD RESISTANCES
Part 9 Reference Codes, Standards, and Specifications
Figures
	Fig. 2.16.1.1 Inside Net Platform Areas for Passenger Elevators
	Fig. 2.20.9.4 Tapered Rope Sockets
	Fig. 2.20.9.5 Wedge Rope Sockets
	Fig. 2.23.3 Elevator Guide Rails
	Fig. 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
	Fig. 2.23.4.1-2 Minimum Moment of Inertia About x-x Axis for a Single Guide Rail With Its Reinforcement
	Fig. 2.27.3.1.6(h) Visual Signal
	Fig. 2.27.3.3.7 Panel Layout
	Fig. 2.27.7.1 Phase I Emergency Recall Operation Instructions
	Fig. 2.27.7.2 Phase II Emergency In-Car Operation
	Fig. 2.27.8 FEO-K1 Key
	Fig. 2.27.9 Elevator Corridor Call Station Pictograph
	Fig. 5.1.17.3 Vertical and Horizontal Components of Velocity
	Fig. 6.1.3.3.10 Dimensions
	Fig. 6.1.6.9.1 Caution Sign
	Fig. 8.2.1.2 Minimum Rated Load for Passenger Elevators
	Fig. 8.2.2.5.1 Turning Moment Based on Class of Loading
	Fig. 8.2.4 Gravity Stopping Distances
	Fig. 8.2.5 Maximum Governor Tripping Speeds
	Fig. 8.2.6 Stopping Distances for Type B Car and Counterweight Safeties
	Fig. 8.2.7 Minimum Factors of Safety of Suspension Members of Power Passenger and Freight Elevators
	Fig. 8.2.8.1.1 Allowable Gross Loads
	Fig. 8.2.9.1.3 Load Distribution
	Fig. 8.4.3.1.3 Arc of Contact
	Fig. 8.4.8.2-1 12 kg/m (8 lb/ft) Guide-Rail Bracket Spacing
	Fig. 8.4.8.2-2 16.5 kg/m (11 lb/ft) Guide-Rail Bracket Spacing
	Fig. 8.4.8.2-3 18 kg/m (12 lb/ft) Guide-Rail Bracket Spacing
	Fig. 8.4.8.2-4 22.5 kg/m (15 lb/ft) Guide-Rail Bracket Spacing
	Fig. 8.4.8.2-5 27.5 kg/m (18.5 lb/ft) Guide-Rail Bracket Spacing
	Fig. 8.4.8.2-6 33.5 kg/m (22.5 lb/ft) Guide-Rail Bracket Spacing
	Fig. 8.4.8.2-7 44.5 kg/m (30 lb/ft) Guide-Rail Bracket Spacing
	Fig. 8.4.8.2-8 Car and Counterweight Load Factor
	Fig. 8.4.8.9 Guide-Rail Axes
	Fig. 8.4.10.1.1 Earthquake Elevator Equipment Requirements Diagrammatic Representation
	Fig. 8.4.10.1.3 Earthquake Emergency Operation Diagrammatic Representation
	Fig. 8.5.1 Balustrade Handrail Force
	Fig. 8.6.8.15.19(e)
	Fig. A-1
	Fig. B-1 Unlocking Zone
	Fig. C-1 Parallelepiped Volume Orientations
	Fig. E-20.4 Braille Measurements
	Fig. E-20.6.3 International Symbol of Accessibility
	Fig. F-1 Ascending Car Overspeed Protection (2.19.1)
	Fig. F-2 Unintended Car Movement Protection (2.19.2)
	Fig. G-1 Top-of-Car Clearance Requirements
	Fig. G-2 Additional Top-of-Car Clearance Requirements
	Fig. G-3 Top-of-Car Marking Requirements
	Fig. G-4 Additional Top-of-Car Marking Requirements
	Fig. G-5 Additional Top-of-Car Clearance Requirements
	Fig. G-6 Additional Top-of-Car Clearance
	Fig. H-1
	Fig. I-1 Relationship of Escalator Parts
	Fig. I-2 Handrail
	Fig. I-3 Escalator Nomenclature
	Fig. I-4 Skirt or Dynamic Skirt Panel: Step Nose
	Fig. I-5 Ceiling or Soffit Guard
	Fig. I-7 Escalator Step Tread
	Fig. I-8 Cleated Riser
	Fig. I-9 Moving Walk Geometry
	Fig. I-10 Moving Walk Treadway Slots
	Fig. I-11 Stopping Distances Corresponding to a Deceleration Rate of 0.91 m/s2
	Fig. I-12 Clearance Between Escalator Steps
	Fig. J-1
	Fig. K-1
	Fig. M-1
	Fig. Q-1
	Fig. Q-2
	Fig. Q-3
	Fig. Q-4
	Fig. Q-5
	Fig. Q-6
	Fig. S-1
	Fig. S-2
	Fig. S-3
	Fig. S-4
	Fig. S-5
	Fig. S-6
	Fig. S-7
	Fig. S-8
	Fig. S-9
	Fig. S-10
	Fig. S-11
	Fig. S-12
Tables
	Table 2.4.2.2 Minimum Bottom Run by for Counterweight Elevators With Spring Buffers, Elastomeric Buffers, or Solid Bumpers and Rheostatic Control or Single-Speed AC Control
	Table 2.15.10.1 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
	Table 2.16.1.1 Maximum Inside Net Platform Areas for the Various Rated Loads
	Table 2.17.3 Maximum and Minimum Stopping Distances for Type B Car Safeties With Rated Load and Type B Counterweight Safeties
	Table 2.18.2.1 Maximum Car Speeds at Which Speed Governor Trips and Governor Overspeed Switch Operates
	Table 2.18.7.4 Multiplier for Determining Governor Sheave Pitch Diameter
	Table 2.20.3 Minimum Factors of Safety for Suspension Members
	Table 2.20.9.4.5 Relation of Rope Diameter to Diameter of the Small Socket Hole
	Table 2.22.3.1 Minimum Spring Buffer Strokes
	Table 2.22.4.1 Minimum Oil Buffer Strokes
	Table 2.23.3 T-Section Guide-Rail Dimensions
	Table 2.23.4.3.1 Guide Rails for Counterweight Without Safeties
	Table 2.23.4.3.3 Intermediate Tie Brackets
	Table 2.23.7.2.1 Minimum Thickness of Fishplates and Minimum Diameter of Fastening Bolts
	Table 2.23.10.2 Minimum Size of Rail-Fastening Bolts
	Table 2.26.4.3.2 SIL for Electrical Protective Devices and Other Electrical Safety Functions
	Table 2.26.12.1 Symbol Identification
	Table 4.1.18.1 Maximum and Minimum Stopping Distances for Rack-and-Pinion Safeties With Rated Load
	Table 5.1.14.2 Minimum and Maximum Stopping Distances at Given Angles From Horizontal
	Table 5.1.17.2 Spring Buffer Stroke
	Table 5.1.17.4.4 Minimum Oil Buffer Strokes at Given Angle From Horizontal
	Table 6.2.3.7 Treadway Width
	Table 6.2.4 Treadway Speed
	Table 7.2.6.4 Factors of Safety for Wire Rope andChains
	Table 7.2.8.1 Minimum Spring Buffer Strokes
	Table 7.2.8.2 Minimum Oil Buffer Strokes
	Table 7.4.3 Type B Material Lifts
	Table 7.9.2.14 Minimum Spring Buffer Strokes
	Table 7.9.2.15 Minimum Oil Buffer Strokes
	Table 8.4.8.7 Stresses and Deflections of Guide-Rail Brackets and Supports
	Table 8.4.10.1.1 Visual Indication Matrix
	Table 8.4.11.13 Pipe Support Spacing
	Table 8.4.12.2.2 Maximum Allowable Deflection
	Table 8.5.5 Component-Based Allowable Design Stresses
	Table 8.6.4.20.4 Brake Test Loads
	Table E-1 Minimum Dimensions of Elevator Cars
	Table E-20.4 Measurement Range for Standard Sign Braille
	Table F-1 Traction Elevator Brake Type, Function, and Performance
	Table N-1 Recommended Inspection and Test Intervals in “Months”
	Table N-2 Guidelines on Use of Monitoring to Provide Inspection Data
	Table P-1 Plunger Gripper Stopping Distances
	Table Q-1
	Table R-1 Inspection Operation and Hoistway Access Switch Operation Hierarchy
	Table U-1 Design Requirements — Traction Elevator Suspension System
	Table X-1 Acceptance Test for Electric Elevators Acceptance Test: Electric Elevators
	Table X-2 Acceptance Test for Hydraulic Elevators Acceptance Test: Hydraulic Elevators
	Table X-3 Acceptance Test for Escalators Acceptance Test: Escalators
	Table X-4 Acceptance Test for Moving Walks Acceptance Test: Moving Walks
	Table Y-1 Maintenance Control Program Records
	Table Z-1 Mass and Closing Time of Horizontally Sliding Elevator Doors
NONMANDATORY APPENDICES
	NONMANDATORY APPENDIX A CONTROL SYSTEM
	NONMANDATORY APPENDIX B UNLOCKING ZONE
	NONMANDATORY APPENDIX C LOCATION OF TOP EMERGENCY EXIT
	N0NMANDATORY APPENDIX D RATED LOAD AND CAPACITY PLATES FOR PASSENGER ELEVATORS
	NONMANDATORY APPENDIX E ELEVATOR REQUIREMENTS FOR PERSONS WITH PHYSICAL DISABILITIES IN JURISDICTIONS ENFORCING NBCC
		INTRODUCTION
			E-1 Scope
			E-2 Definitions
			E-3 Leveling
			E-4 Door Operation
			E-5 Door Size
			E-6 Door Protective and Reopening Device
				E-6.1
				E-6.2
			E-7 Door Timing for Hall and Car Calls
				E-7.1
				E-7.2
				E-7.3
			E-8 Inside Dimensions of Elevator Cars
				E-8.1
				E-8.2
			E-9 Car Controls
				E-9.1 Features.
				E-9.2 Height.
				E-9.3 Buttons
					E-9.3.1 Button Dimensions.
					E-9.3.2 Button Arrangement.
						E-9.3.2.1
					E-9.3.3 Button Characteristics
						E-9.3.3.1
						E-9.3.3.2
					E-9.3.4 Control Button.
					E-9.3.5 Visible Indicators.
					E-9.3.6 Elevator Car Call Sequential Step Scanning.
				E-9.4 Telephone-Style Keypads.
			E-10 Car Position Indicators
				E-10.1 General.
				E-10.2 Visible Indicators.
					E-10.2.1 Floor Arrival.
				E-10.3 Audible Indicators
					E-10.3.1
					E-10.3.2
			E-11 Emergency Communications
				E-11.1 General.
				E-11.2 Instructions.
			E-12 Floor Surfaces
			E-13 Handrails
			E-14 Illumination Levels
			E-15 Hall Buttons
				E-15.1
				E-15.2
				E-15.3
				E-15.4
				E-15.5
				E-15.6 Keypads.
			E-16 Hall or InÃCar Signals
				E-16.1 General.
				E-16.2 Audible Signals.
				E-16.3 Visible Signals
					E-16.3.1 Height.
					E-16.3.2 Size.
					E-16.3.3 Visibility.
			E-17 Floor/Car Designations
			E-18 DestinationÃOriented Elevators
				E-18.1 General.
				E-18.2 Call Buttons.
				E-18.3 Hall Signals
					E-18.3.1 General.
					E-18.3.2 Visible Signals
						E-18.3.2.1 Height.
						E-18.3.2.2 Size.
						E-18.3.2.3 Visibility.
				E-18.4 Car Controls.
				E-18.5 Car Position Indicators
					E-18.5.1 General.
					E-18.5.2 Visible Indicators.
					E-18.5.3 Audible Indicators.
				E-18.6 Elevator Car Identification.
				E-18.7 Destination-Oriented Elevators.
			E-19 LimitedÃUse/LimitedÃApplication Elevators
				E-19.1 Elevator Door Requirements.
					E-19.1.1 Sliding Doors.
					E-19.1.2 Swinging Doors.
						E-19.1.2.1 Power Operation.
						E-19.1.2.2 Duration.
					E-19.1.3 Door Location and Width.
						E-19.1.3.1 Cars With Single Door or Doors on Opposite Ends.
						E-19.1.3.2 Cars With Doors on Adjacent Sides
							E-19.1.3.2.1
							E-19.1.3.2.2
				E-19.2 Elevator Car Requirements.
					E-19.2.1 Inside Dimensions.
				E-19.3 Elevator Car Controls,
			E-20 Signs
				E-20.1
				E-20.2 Visual Characters
					E-20.2.1 General
						E-20.2.1.1
						E-20.2.1.2
					E-20.2.2 Case.
					E-20.2.3 Style.
					E-20.2.4 Character Height.
					E-20.2.5 Character Width.
					E-20.2.6 Stroke Width.
					E-20.2.7 Character Spacing.
					E-20.2.8 Line Spacing.
					E-20.2.9 Finish and Contrast.
				E-20.3 Raised Characters
					E-20.3.1 General.
					E-20.3.2 Depth.
					E-20.3.3 Case.
					E-20.3.4 Style.
					E-20.3.5 Character Height
						E-20.3.5.1
						E-20.3.5.2
					E-20.3.6 Character Width.
					E-20.3.7 Stroke Width.
						E-20.3.7.1 Maximum.
						E-20.3.7.2 Minimum.
					E-20.3.8 Character Spacing.
					E-20.3.9 Line Spacing.
					E-20.3.10 Location.
					E-20.3.11 Finish and Contrast
						E-20.3.11.1
						E-20.3.11.2
				E-20.4 Braille
					E-20.4.1 General.
					E-20.4.2 Uppercase Letters.
					E-20.4.3 Dimensions.
					E-20.4.4 Position.
				E-20.5 Pictograms
					E-20.5.1 General.
					E-20.5.2 Pictogram Field.
					E-20.5.3 Finish and Contrast.
				E-20.6 Symbols of Accessibility
					E-20.6.1 General.
					E-20.6.2 Finish and Contrast.
					E-20.6.3 International Symbol of Accessibility.
				E-20.7 Variable Message Signs
					E-20.7.1 General.
					E-20.7.2 Protective Covering.
					E-20.7.3 Rate of Change.
	NONMANDATORY APPENDIX F ASCENDING CAR OVERSPEED AND UNINTENDED CAR MOVEMENT PROTECTION
	NONMANDATORY APPENDIX G TOP-OF-CAR CLEARANCE
	NONMANDATORY APPENDIX H PRIVATE RESIDENCE ELEVATOR GUARDING 5.3.1.6.2
	NONMANDATORY APPENDIX I ESCALATOR AND MOVING WALK DIAGRAMS
	NONMANDATORY APPENDIX J RELATIONSHIP OF PIT LADDER TO HOISTWAY DOOR UNLOCKING MEANS
	NONMANDATORY APPENDIX K BEVELING AND CLEARANCE REQUIREMENTS 7.4.7.4
	NONMANDATORY APPENDIX L INDEX OF ALTERATION REQUIREMENTS FOR ELECTRIC ELEVATORS, HYDRAULIC ELEVATORS, ESCALATORS, AND MOVING WALKS
	NONMANDATORY APPENDIX M INERTIA APPLICATION FOR TYPE A SAFETY DEVICE LOCATION OF TEST WEIGHT 8.10.2.2.2ii2
	NONMANDATORY APPENDIX N RECOMMENDED INSPECTION AND TEST INTERVALS IN "MONTHS"
		INTRODUCTION TO MONITORING TABLE NÃ2INTRODUCTION TO MONITORING TABLE NÃ2INTRODUCTION TO MONITORING TABLE NÃ2
		INTRODUCTION TO MONITORING TABLE NÃ2INTRODUCTION TO MONITORING TABLE NÃ2INTRODUCTION TO MONITORING TABLE NÃ2
	NONMANDATORY APPENDIX P PLUNGER GRIPPER STOPPING DISTANCES
	NONMANDATORY APPENDIX Q EXPLANATORY FIGURES FOR THE DEFINITIONS OF ELEVATOR MACHINERY SPACE, MACHINE ROOM, CONTROL SPACE, CONTROL ROOM, REMOTE MACHINE ROOM, OR REMOTE CONTROL ROOM
	NONMANDATORY APPENDIX R INSPECTION OPERATION AND HOISTWAY ACCESS SWITCH OPERATION HIERARCHY
	NONMANDATORY APPENDIX S VERTICALLY SLIDING DOORS --  ILLUSTRATIONS OF DETECTION ZONES 2.13.3.4
	NONMANDATORY APPENDIX T
	NONMANDATORY APPENDIX U DESIGN REQUIREMENTS -- TRACTION ELEVATOR SUSPENSION SYSTEM
	NONMANDATORY APPENDIX V BUILDING FEATURES FOR OCCUPANT EVACUATION OPERATION
		V-1 Human Factors Considerations
			V-1.1 Occupant Evacuation Operation.
	NONMANDATORY APPENDIX W
	NONMANDATORY APPENDIX X ACCEPTANCE TESTS
	NONMANDATORY APPENDIX Y MAINTENANCE CONTROL PROGRAM RECORDS
	NONMANDATORY APPENDIX Z MASS AND CLOSING TIME OF HORIZONTALLY SLIDING ELEVATOR DOORS
INDEX
INTERPRETATIONS NO. 33
	INTRODUCTION
	APPLICABILITY OF INTERPRETATIONS
	FORM AND ARRANGEMENT
	Inquiry: 11-2010
	Inquiry: 11-2153
	Inquiry: 11-2155
	Inquiry: 11-2156
	Inquiry: 11-2229
	Inquiry: 11-2229 Reconsideration
	Inquiry: 12-990
	Inquiry: 12-990 Reconsideration
	Inquiry: 12-991
	Inquiry: 12-1012
	Inquiry: 12-1552
	Inquiry:  12-1618
	Inquiry: 12-1620
	Inquiry: 12-1745
	Inquiry: 12-1746
	Inquiry: 12-1747
	Inquiry: 12-1748
	Inquiry: 12-1749
	Inquiry: 12-1751
	Inquiry: 12-1752
	Inquiry: 12-2274
	Inquiry: 13-5
	Inquiry: 13-273
	Inquiry: 13-319
	Inquiry: 13-343
	Inquiry: 13-445
	Inquiry: 13-496
	Inquiry: 13-702
	Inquiry: 13-719
	Inquiry: 13-742
	Inquiry: 13-787
	Inquiry: 13-934
	Inquiry: 13-1022
	Inquiry: 13-1050
	Inquiry: 13-1460
	Inquiry: 13-1462
	Inquiry: 13-1463
	Inquiry: 13-1471
	Inquiry: 13-1496
	Inquiry: 13-1509
	Inquiry: 13-1543
	Inquiry: 13-1544
	Inquiry: 13-1753
	Inquiry: 13-1790
	Inquiry: 13-2001
	Inquiry: 13-2177
	Inquiry: 13-2197
	Inquiry: 14-61
	Inquiry: 14-62
	Inquiry: 14-85
	Inquiry: 14-95
	Inquiry: 14-96
	Inquiry: 14-227
	Inquiry: 14-324
	Inquiry: 14-411
	Inquiry: 14-503
	Inquiry: 14-665
	Inquiry: 14-702
	Inquiry: 14-971
	Inquiry: 14-999
	Inquiry: 14-1000
	Inquiry: 14-1023
	Inquiry: 14-1025
	Inquiry: 14-1026
	Inquiry: 14-1104
	Inquiry: 14-1426
	Inquiry: 14-1503
	Inquiry: 14-1637
	Inquiry: 14-1834
	Inquiry: 14-1883
	Inquiry: 14-1885
	Inquiry: 15-39
	Inquiry: 15-136
	Inquiry: 15-142
	Inquiry: 15-319
	Inquiry: 15-476
	Inquiry: 15-501
	Inquiry: 15-614
	Inquiry: 15-716
	Inquiry: 15-883
	Inquiry: 15-886
	Inquiry: 15-1139
	Inquiry: 15-1446
	Inquiry: 15-1447
	Inquiry: 15-1671
	Inquiry: 15-1697
	Inquiry: 15-1755
	Inquiry: 15-2003
	Inquiry: 15-2004