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ASME A17.1 2000

ASME A17.1 2000

$98.04

ASME A17.1 Elevator Code

Published By Publication Date Number of Pages
ASME 2000 512
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PDF Pages PDF Title
3 CONTENTS
Part 1 General
Part 2 Electric Elevators
4 Part 3 Hydraulic Elevators
5 Part 4 Elevators With Other Types of Driving Machines
Part 5 Special Application Elevators
Part 6 Escalators and Moving Walks
Part 7 Dumbwaiters and Material Lifts
6 Part 8 General Requirements
Part 9 Reference Codes, Standards, and Specifications
Appendices
7 FOREWORD
13 ASME A17 ELEVATOR AND ESCALATOR COMMITTEE
19 PREFACE
GENERAL
ADOPTION CONSIDERATIONS
APPLICATION OF REQUIREMENTS TO NEW TECHNOLOGY
FORM AND ARRANGEMENT
20 METRIC (SI) UNITS
ASME ELEVATOR PUBLICATIONS
ASME A17.2.1 Inspectors’ Manual for Electric Elevators.
ASME A17.2.2 Inspectors’ Manual for Hydraulic Elevators.
21 ASME A17.2.3 Inspectors’ Manual for Escalators and Moving Walks.
ASME A17.3 Safety Code for Existing Elevators and Escalators.
ASME A17 CD-ROM for Elevators and Escalators.
ASME A17.4 Guide for Emergency Personnel.
CAN/CSA-B44.1/ASME A17.5 Elevator and Escalator Electrical Equipment.
Published Interpretations.
Handbook on A17.1 Safety Code.
QEI-1 Standard for the Qualification of Elevator Inspectors.
ASME A18.1 Safety Standard for Platform Lifts and Stairway Chairlifts.
CORRESPONDENCE WITH A17 COMMITTEEƋ
22 ƒProposing Revisions.
Requesting Interpretations.
Attending Committee Meetings.
23 CROSS-REFERENCE TABLE 1
37 CROSS-REFERENCE TABLE 2
51 PART 1 GENERAL
SECTION 1.1 SCOPE
1.1.1 Equipment Covered by This Code
1.1.2 Equipment Not Covered by This Code
1.1.3 Application of Parts
52 1.1.4 Effective Date
SECTION 1.2 PURPOSE AND EXCEPTIONS
SECTION 1.3 DEFINITIONS
71 PART 2 ELECTRIC ELEVATORS
SCOPE
SECTION 2.1 CONSTRUCTION OF HOISTWAYS AND HOISTWAY ENCLOSURES
2.1.1 Hoistway Enclosures
2.1.1.1 Fire-Resistive Construction
2.1.1.2 Non-Fire-Resistive Construction
2.1.1.3 Partially Enclosed Hoistways.
72 2.1.1.4 Multiple Hoistways.
2.1.1.5 Strength of Enclosure.
2.1.2 Construction at Top and Bottom of the Hoistway
2.1.2.1 Construction at Top of the Hoistway.
2.1.2.2 Construction at Bottom of Hoistway.
2.1.2.3 Strength of Pit Floor.
2.1.3 Floor Over Hoistways
2.1.3.1 General Requirements
2.1.3.2 Location of Floor.
2.1.3.3 Strength of Floor.
2.1.3.4 Construction of Floors.
2.1.3.5 Area to Be Covered by Floor
73 2.1.3.6 Difference in Floor Levels.
2.1.4 Control of Smoke and Hot Gases
2.1.5 Windows and Skylights
2.1.6 Projections, Recesses, and Setbacks in Hoistway Enclosures
2.1.6.1
2.1.6.2
SECTION 2.2 PITS
2.2.1 General
74 2.2.2 Design and Construction of Pits
2.2.2.1
2.2.2.2
2.2.2.3
2.2.2.4
2.2.2.5
2.2.2.6
2.2.2.7
2.2.3 Guards Between Adjacent Pits
2.2.3.1
2.2.3.2
2.2.4 Access to Pits
2.2.4.1
2.2.4.2
2.2.4.3
2.2.4.4
75 2.2.5 Illumination of Pits
2.2.5.1
2.2.5.2
2.2.5.3
2.2.6 Stop Switch in Pits
2.2.6.1
2.2.6.2
2.2.6.3
2.2.7 Minimum Pit Depths Required
2.2.8 Access to Underside of Car
SECTION 2.3 LOCATION AND GUARDING OF COUNTERWElGHTS
2.3.1 Location of Counterweights
76 2.3.2 Counterweight Guards
2.3.2.1
2.3.2.2
2.3.3 Remote Counterweight Hoistways
2.3.3.1
2.3.3.2
2.3.3.3
2.3.3.4
2.3.3.5
2.3.3.6
2.3.4 Counterweight Runway Enclosures
2.3.4.1
2.3.4.2
77 SECTION 2.4 VERTICAL CLEARANCES AND RUNBYS FOR CARS AND COUNTERWEIGHTS
2.4.1 Bottom Car Clearances
2.4.1.1
2.4.1.2
2.4.1.3
2.4.1.4
2.4.1.5
2.4.1.6
2.4.2 Minimum Bottom Runby for Counterweighted Elevators
2.4.2.1
2.4.2.2
2.4.3 Minimum Bottom Runby for Uncounterweighted Elevators
78 2.4.4 Maximum Bottom Runby
2.4.5 Counterweight Runby Data Plate
2.4.6 Top Car Clearances for Counterweighted Elevators
2.4.6.1 General Requirements.
2.4.6.2 Components of the Top Car Clearances.
2.4.7 Top Car Clearance for Uncounterweighted Elevators
LIST OF TABLES
TABLE 2.4.2.2
MINIMUM BOTTOM RUNBY FOR COUNTERWEIGHT ELEVATORS WITH SPRING BUFFERS OR SOLID BUMPERS AND RHEOSTATIC CONTROL OR SINGLE-SPEED AC CONTROL
79 2.4.8 Vertical Clearances With Underslung Car Frames
2.4.9 Top Counterweight Clearances
2.4.10 Overhead Clearances Where Overhead Beams Are Not Over Car Crosshead
2.4.10.1
2.4.10.2
2.4.11 Equipment on Top of Car Not Permitted to Strike Overhead Structure
2.4.12 Refuge Space on Top of Car Enclosure
2.4.12.1
80 2.4.12.2
SECTION 2.5 HORIZONTAL CAR AND COUNTERWEIGHT CLEARANCES
2.5.1 Clearances Between Cars, Counterweights, and Hoistway Enclosures
2.5.1.1 Between Car and Hoistway Enclosures.
2.5.1.2 Between Car and Counterweight and Counterweight Guard.
2.5.1.3 Between Cars in Multiple Hoistways.
2.5.1.4 Between Car and Landing Sills.
2.5.1.5 Clearance Between Loading Side of Car Platforms and Hoistway Enclosures
2.5.1.6 Clearance Between Car Platform Apron and Pit Enclosure.
2.5.1.7 Measurement of Clearances.
SECTION 2.6 PROTECTION OF SPACE BELOW HOlSTWAYS
81 2.6.1 Where the Space Is Underneath the Counterweight and/or its Guides
2.6.2 Where the Space Is Underneath the Car and/or its Guides
SECTION 2.7 MACHINE ROOMS AND MACHINERY SPACES
2.7.1 Enclosure of Machine Rooms and Machinery Spaces
2.7.1.1 Fire-Resistive Construction.
2.7.1.2 Non-Fire-Resistive Construction.
2.7.2 Equipment in Machine Rooms
2.7.2.1 Equipment Permitted.
2.7.2.2 Maintenance Clearance
2.7.3 Access to Machine Rooms and Machinery Spaces
2.7.3.1 General Requirements.
2.7.3.2 Access Across Roofs.
82 2.7.3.3 Means of Access.
2.7.3.4 Access Doors and Openings
83 2.7.3.5 Stop Switch in Overhead Machinery Space in the Hoistway.
2.7.4 Headroom in Machine Rooms and Overhead Machinery Spaces
2.7.4.1
2.7.4.2
2.7.4.3
2.7.5 Lighting, Temperature, and Humidity in Machine Rooms and Machinery Spaces
2.7.5.1 Lighting.
2.7.5.2 Temperature and Humidity.
2.7.6 Location of Machine Rooms and Control Rooms
2.7.7 Machine and Control Rooms Underneath the Hoistway
2.7.7.1
2.7.7.2
2.7.7.3
84 2.7.7.4
2.7.7.5
2.7.8 Remote Machine and Control Rooms
2.7.8.1
2.7.8.2
2.7.8.3
2.7.8.4
SECTION 2.8 EQUIPMENT IN HOISTWAYS AND MACHINE ROOMS
2.8.1 Electrical Equipment and Wiring
2.8.1.1
2.8.1.2
2.8.1.3
2.8.2 Pipes, Ducts, Tanks, and Sprinklers
2.8.2.1
85 2.8.2.2
2.8.2.3
2.8.2.4
2.8.2.5
2.8.3 Electrical Heaters
2.8.4 Air Conditioning
2.8.4.1
2.8.4.2
2.8.4.3
2.8.4.4
2.8.4.5
86 SECTION 2.9 MACHINERY AND SHEAVE BEAMS, SUPPORTS, AND FOUNDATIONS
2.9.1 Beams and Supports Required
2.9.1.1
2.9.1.2
2.9.1.3
2.9.2 Loads on Machinery and Sheave Beams, Floors, or Foundations and Their Supports
2.9.2.1 Overhead Beams, Floors, and Their Supports.
2.9.2.2 Foundations, Beams, and Floors for Machinery and Sheaves Not Located Directly Over the Hoistway.
2.9.3 Securing of Machinery and Equipment to Beams, Foundations, or Floors
2.9.3.1 Overhead Beams and Floors
2.9.3.2 Beams or Foundations Supporting Machinery and Sheaves Not Located Directly Over the Hoistway
87 2.9.3.3 Overhead Hoisting Rope Hitches
2.9.3.4 Cast Metals in Tension or Bending.
2.9.4 Allowable Stresses for Machinery and Sheave Beams or Floors and Their Supports
2.9.4.1
2.9.4.2
2.9.5 Allowable Deflections of Machinery and Sheave Beams and Their Supports
2.9.6 Allowable Stresses Due to Emergency Braking
88 SECTION 2.10 GUARDING OF EQUIPMENT AND STANDARD RAILING
2.10.1 Guarding of Equipment
2.10.2 Standard Railing
2.10.2.1 Top Rail.
2.10.2.2 Intermediate Rail.
2.10.2.3 Post.
2.10.2.4 Toe-Board.
SECTION 2.11 PROTECTION OF HOISTWAY OPENINGS
2.11.1 Entrances and Emergency Doors Required
2.11.1.1 Hoistway Landing Entrances.
2.11.1.2 Emergency Doors in Blind Hoistways.
89 2.11.1.3 Telephone as Alternative to Emergency Doors.
2.11.1.4 Access Openings for Cleaning of Car and Hoistway Enclosures.
2.11.2 Types of Entrances
2.11.2.1 Passenger Elevators.
2.11.2.2 Freight Elevators.
2.11.2.3 Limitations of Use of Center-Opening Swinging Entrances.
2.11.3 Closing of Hoistway Doors
2.11.3.1
2.11.3.2
2.11.3.3
2.11.4 Location of Horizontally Sliding or Swinging Hoistway Doors
2.11.4.1
90 2.11.4.2
2.11.5 Projection of Entrances and Other Equipment Beyond the Landing Sills
2.11.6 Opening of Hoistway Doors
2.11.6.1
2.11.6.2
2.11.6.3
2.11.6.4
2.11.7 Glass in Hoistway Doors
2.11.7.1 Vision Panels.
91 2.11.7.2 Glass Doors.
2.11.8 Weights for Closing or Balancing Doors
2.11.9 Hoistway-Door Locking Devices and Power Operation
2.11.9.1 Locking Devices.
2.11.9.2 Power-Operation.
2.11.10 Landing-Sill Guards, Landing-Sill Illumination, Hinged Landing Sills, and Tracks on Landings
2.11.10.1 Landing-Sill Guards
92 2.11.10.2 Illumination at Landing Sills.
2.11.10.3 Hinged Hoistway Landing Sills.
2.11.11 Entrances, Horizontal Slide Type
2.11.11.1 Landing Sills.
2.11.11.2 Hangers, Tracks, and Track Supports.
2.11.11.3 Entrance Frames
2.11.11.4 Hangers.
2.11.11.5 Panels.
93 2.11.11.6 Bottom Guides.
2.11.11.7 Multipanel Entrances.
2.11.11.8 Hoistway Door Safety Retainers.
2.11.11.9 Beams, Walls, Floors, and Supports.
2.11.11.10 Hoistway Door to Sill Clearance.
94 2.11.12 Entrances, Vertical Slide Type
2.11.12.1 Landing Sills
2.11.12.2 Entrance Frames.
2.11.12.3 Rails.
2.11.12.4 Panels.
95 2.11.12.5 Guides.
2.11.12.6 Counterweighting or Counterbalancing.
2.11.12.7 Sill Guards.
2.11.12.8 Pull Straps.
2.11.13 Entrances, Swinging Type
2.11.13.1 Landing Sills.
2.11.13.2 Entrance Frames.
2.11.13.3 Panels.
96 2.11.13.4 Hinges.
2.11.13.5 Entrances With Combination Horizontally Sliding and Swinging Panels.
2.11.14 Fire Tests
2.11.14.1
2.11.14.2
2.11.15 Marking
2.11.15.1 Labeling of Tested Assembly.
97 2.11.15.2 Other Assemblies.
2.11.15.3 Entrances Larger Than Tested Assemblies.
2.11.16 Factory Inspections
2.11.17 Transoms and Fixed Side Panels
2.11.18 Installation Instructions
2.11.19 Gasketing of Hoistway Entrances
2.11.19.1
2.11.19.2
2.11.19.3
2.11.19.4
98 SECTION 2.12 HOISTWAY-DOOR LOCKING DEVICES AND ELECTRIC CONTACTS, AND HOISTWAY ACCESS SWITCHES
2.12.1 General
2.12.1.1
2.12.1.2
2.12.1.3
2.12.1.4
2.12.1.5
2.12.2 Interlocks
2.12.2.1 General.
2.12.2.2 Closed Position of Hoistway Doors.
2.12.2.3 Operation of the Driving Machine With a Hoistway Door Unlocked or Not in the Closed Position.
2.12.2.4 General Design Requirements.
99 2.12.2.5 Interlock Retiring Cam Device.
2.12.2.6 Location.
2.12.3 Hoistway-Door Combination Mechanical Locks and Electric Contacts
2.12.3.1 Where Permitted.
100 2.12.3.2 Closed Position of Hoistway Doors.
2.12.3.3 Operation of the Driving Machine With a Hoistway Door Not in the Closed Position.
2.12.3.4 General Design Requirements.
2.12.3.5 Location.
101 2.12.4 Listing/Certification Door Locking Devices and Door or Gate Electric Contacts
2.12.4.1 Type Tests.
2.12.4.2 Listing/Certification.
2.12.4.3 Identification Marking.
2.12.5 Restricted Opening of Hoistway or Car Doors
2.12.5.1
2.12.5.2
2.12.5.3
2.12.6 Hoistway Door Unlocking Devices
2.12.6.1 General.
2.12.6.2 Location and Design.
102 2.12.7 Hoistway Access Switches
2.12.7.1 General
2.12.7.2 Location and Design.
2.12.7.3 Operating Requirements.
103 SECTION 2.13 POWER OPERATION OF HOISTWAY DOORS AND CAR DOORS
2.13.1 Types of Doors and Gates Permitted
2.13.2 Power Opening
2.13.2.1 Power Opening of Car Doors or Gates.
2.13.2.2 Power Opening of Hoistway Doors.
2.13.3 Power Closing
2.13.3.1 Power Closing or Automatic Self-Closing of Car Doors or Gates Where Used With Manually Operated or Self-Closing Hoistway Doors
2.13.3.2 Power Closing of Hoistway Doors and Car Doors or Gates by Continuous-Pressure Means.
104 2.13.3.3 Power Closing of Horizontally Sliding Hoistway Doors and Horizontally Sliding Car Doors or Gates by Momentary Pressure or by Automatic Means.
2.13.3.4 Power Closing of Vertically Sliding Hoistway Doors and Vertically Sliding Car Doors or Gates by Momentary Pressure or by Automatic Means.
2.13.4 Closing Limitations for Power-Operated Horizontally Sliding Hoistway Doors and Horizontally Sliding Car Doors or Gates
2.13.4.1 Where Required.
2.13.4.2 Closing Mechanism
105 2.13.5 Reopening Device for Power-Operated Car Doors or Gates
2.13.5.1
2.13.5.2
2.13.5.3
2.13.5.4
106 2.13.6 Sequence Operation for Power-Operated Hoistway Doors With Car Doors or Gates
2.13.6.1 Where Required
2.13.6.2 Operating Requirements.
SECTION 2.14 CAR ENCLOSURES, CAR DOORS AND GATES, AND CAR ILLUMINATION
2.14.1 Passenger and Freight Enclosures, General
2.14.1.1 Enclosure Required.
2.14.1.2 Securing of Enclosures
2.14.1.3 Strength and Deflection of Enclosure Walls.
2.14.1.4 Number of Compartments in Passenger and Freight Elevator Cars.
107 2.14.1.5 Top Emergency Exits.
108 2.14.1.6 Car Enclosure Tops.
2.14.1.7 Railing and Equipment on Top of Cars
2.14.1.8 Glass in Elevator Cars
2.14.1.9 Equipment Inside Cars
109 2.14.1.10 Side Emergency Exits
2.14.2 Passenger-Car Enclosures
2.14.2.1 Material for Car Enclosures, Enclosure Linings, and Floor Coverings.
110 2.14.2.2 Openings Prohibited.
2.14.2.3 Ventilation
2.14.2.4 Headroom in Elevator Cars.
2.14.2.5 Vision Panels.
111 2.14.2.6 Access Panels.
2.14.3 Freight-Car Enclosure
2.14.3.1 Enclosure Material.
2.14.3.2 Openings in Car Tops.
2.14.3.3 Ventilation.
2.14.4 Passenger and Freight Car Doors and Gates, General Requirements
2.14.4.1 Where Required.
2.14.4.2 Door and Gate Electric Contacts and Door Interlocks
112 2.14.4.3 Type and Material for Doors.
2.14.4.4 Type of Gates.
2.14.4.5 Location
2.14.4.6 Strength of Doors, Gates and Their Guides, Guide Shoes, Tracks, and Hangers.
2.14.4.7 Vertically Sliding Doors and Gates.
113 2.14.4.8 Weights for Closing or Balancing Doors or Gates.
2.14.4.9 Factor of Safety for Suspension Members.
2.14.4.10 Power-Operated and Power-Opened or Closed Doors or Gates.
2.14.4.11 Closed Position of Car Doors or Gates.
2.14.5 Passenger Car Doors
2.14.5.1 Number of Entrances Permitted.
2.14.5.2 Type Required.
2.14.5.3 Vertically Sliding Doors.
2.14.5.4 Dimensions of Doors.
2.14.5.5 Openings in Doors.
2.14.5.6 Door Panels
114 2.14.5.7 Manual Opening of Car Doors.
2.14.5.8 Glass in Car Doors
2.14.6 Freight Elevator Car Doors and Gates
2.14.6.1 Type of Gates
2.14.6.2 Vertically Sliding Doors and Gates
115 2.14.6.3 Collapsible-Type Gates
2.14.7 Illumination of Cars and Lighting Fixtures
2.14.7.1 Illumination and Outlets Required.
2.14.7.2 Light Control Switches
116 2.14.7.3 Car Lighting Devices
2.14.7.4 Protection of Light Bulbs and Tubes.
SECTION 2.15 CAR FRAMES AND PLATFORMS
2.15.1 Car Frames Required
2.15.2 Guiding Members
2.15.3 Design of Car Frames and Guiding Members
2.15.4 Underslung or Sub-Post Frames
2.15.5 Car Platforms
2.15.5.1
2.15.5.2
2.15.5.3
2.15.5.4
2.15.5.5
117 2.15.6 Materials for Car Frames and Platform Frames
2.15.6.1 Materials Permitted.
2.15.6.2 Requirements for Steel.
2.15.6.3 Requirements for Metals Other Than Steel.
2.15.6.4 Requirements for Wood for Platform Floors and Stringers.
2.15.7 Car-Frame and Platform Connections
2.15.7.1 Internal Connections.
2.15.7.2 Connection Between Car Frame and Platform.
2.15.7.3 Bolts, Nuts, and Welding
118 2.15.8 Protection of Platforms Against Fire
2.15.9 Platform Guards (Aprons)
2.15.9.1
2.15.9.2
2.15.9.3
2.15.9.4
2.15.10 Maximum Allowable Stresses in Car-Frame and Platform Members and Connections
2.15.10.1
2.15.10.2
2.15.11 Maximum Allowable Deflections of Car-Frame and Platform Members
119 2.15.12 Car Frames With Sheaves
2.15.12.1
2.15.12.2
2.15.12.3
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
120 2.15.13 Suspension-Rope Hitch Plates or Shapes
2.15.14 Calculation of Stresses in Car-Frame and Platform Frame Members
2.15.15 Platform Side Braces
2.15.16 Hinged Platform Sills
2.15.16.1
2.15.16.2
2.15.16.3
2.15.17 Fastening of Compensation Means
SECTION 2.16 CAPACITY AND LOADING
2.16.1 Minimum Rated Load for Passenger Elevators
2.16.1.1 Minimum Load Permitted.
2.16.1.2 Use of Partitions for Reducing Inside Net Platform Area.
2.16.1.3 Carrying of Freight on Passenger Elevators.
2.16.2 Minimum Rated Load for Freight Elevators
2.16.2.1 Minimum Load Permitted.
2.16.2.2 Classes of Loading and Design Requirements.
121 FIG. 2.16.1 INSIDE NET PLATFORM AREAS FOR PASSENGER ELEVATORS
TABLE 2.16.1
MAXIMUM INSIDE NET PLATFORM AREAS FOR THE VARIOUS RATED LOADS
122 2.16.3 Capacity and Data Plates
2.16.3.1 Plates Required and Locations.
2.16.3.2 Information Required on Plates
123 2.16.3.3 Material and Marking of Plates.
2.16.4 Carrying of Passengers on Freight Elevators
2.16.4.1
2.16.4.2
2.16.4.3
2.16.4.4
2.16.4.5
2.16.4.6
2.16.4.7
2.16.4.8
2.16.4.9
2.16.5 Signs Required in Freight Elevator Cars
2.16.5.1 Signs Required.
124 2.16.5.2 Material and Marking of Signs.
2.16.6 Overloading of Freight Elevators
2.16.7 Carrying of One-Piece Loads Exceeding the Rated Load
2.16.7.1
2.16.7.2
125 2.16.7.3
2.16.7.4
2.16.7.5
2.16.7.6
2.16.7.7
2.16.7.8
2.16.8 Additional Requirements for Passenger Overload in the Down Direction
126 2.16.9 Special Loading Means
SECTION 2.17 CAR AND COUNTERWEIGHT SAFETIES
2.17.1 Where Required and Location
2.17.2 Duplex Safeties
2.17.3 Function and Stopping Distance of Safeties
2.17.4 Counterweight Safeties
2.17.5 Identification and Classification of Types of Safeties
2.17.5.1 Type A Safeties.
127 2.17.5.2 Type B Safeties.
2.17.5.3 Type C Safeties (Type A With Oil Buffers).
2.17.6 Reserved for Future Use
2.17.7 Governor-Actuated Safeties and Car-Safety-Mechanism Switches Required
2.17.7.1
TABLE 2.17.3
MAXIMUM AND MINIMUM STOPPING DISTANCES FOR TYPE B CAR SAFETIES WITH RATED LOAD AND TYPE B COUNTERWEIGHT SAFETIES
128 2.17.7.2
2.17.7.3
2.17.7.4
2.17.8 Limits of Use of Various Types of Safeties
2.17.8.1 Type A (Instantaneous) Safeties.
2.17.8.2 Type C (Combination Instantaneous and Oil-Buffer Safety).
2.17.9 Application and Release of Safeties
2.17.9.1 Means of Application.
2.17.9.2 Level of Car on Safety Application.
129 2.17.9.3 Release.
2.17.9.4 Force Providing Stopping Action to Be Compressive.
2.17.10 Minimum Permissible Clearance Between Rail-Gripping Faces of Safety Parts
2.17.11 Maximum Permissible Movement of Governor Rope to Operate the Safety Mechanism
2.17.12 Minimum Factors of Safety and Stresses of Safety Parts and Rope Connections
2.17.12.1
2.17.12.2
2.17.12.3
2.17.12.4
2.17.12.5
130 2.17.12.6
2.17.13 Corrosion-Resistant Bearings in Safeties and Safety Operating Mechanisms
2.17.14 Marking Plates for Safeties
2.17.15 Governor-Rope Releasing Carriers
2.17.16 Rail Lubricants and Lubrication Plate
2.17.17 Compensating Rope Tie-Down
SECTION 2.18 SPEED GOVERNORS
2.18.1 Speed Governors Required and Location
2.18.1.1
2.18.1.2
131 2.18.2 Tripping Speeds for Speed Governors
2.18.2.1 Car Speed Governors.
2.18.2.2 Counterweight Speed Governors.
2.18.3 Sealing and Painting of Speed Governors
2.18.3.1
2.18.3.2
TABLE 2.18.2.1
MAXIMUM CAR SPEEDS AT WHICH SPEED GOVERNOR TRIPS AND GOVERNOR OVERSPEED SWITCH OPERATES
132 2.18.3.3
2.18.4 Speed-Governor Overspeed Switch
2.18.4.1 Where Required and Function
2.18.4.2 Setting of Car Speed-Governor Overspeed Switches.
2.18.4.3 Setting of the Counterweight Governor Switch.
2.18.4.4 Type of Speed-Governor Overspeed Switches and Speed-Reducing Switches.
2.18.5 Governor Ropes
2.18.5.1 Material and Factor of Safety.
2.18.5.2 Speed-Governor-Rope Clearance.
2.18.5.3 Governor Rope Tag.
133 2.18.6 Design of Governor Rope-Retarding Means for Type B Safeties
2.18.6.1
2.18.6.2
2.18.6.3
2.18.6.4
2.18.6.5
2.18.7 Design of Speed-Governor Sheaves and Traction Between Speed-Governor Rope and Sheave
2.18.7.1
2.18.7.2
2.18.7.3
2.18.7.4
TABLE 2.18.7.4
MULTIPLIER FOR DETERMINING GOVERNOR SHEAVE PITCH DIAMETER
134 2.18.8 Factors of Safety in Load-Bearing Parts of Speed Governor
2.18.8.1
2.18.8.2
2.18.9 Speed-Governor Marking Plate
SECTION 2.19 ASCENDING CAR OVERSPEED AND UNINTENDED CAR MOVEMENT PROTECTION
2.19.1 Ascending Car Overspeed Protection
2.19.1.1 Purpose.
2.19.1.2 Where Required and Function.
135 2.19.2 Protection Against Unintended Car Movement
2.19.2.1 Purpose.
2.19.2.2 Where Required and Function.
2.19.3 Emergency Brake (See Appendix F)
2.19.3.1 Where Required
2.19.3.2 Requirements.
136 2.19.3.3 Marking Plate Requirements.
2.19.4 Emergency Brake Supports
SECTION 2.20 SUSPENSION ROPES AND THEIR CONNECTIONS
2.20.1 Suspension Means
2.20.2 Wire Rope Data
2.20.2.1 On Crosshead Data Plate.
137 2.20.2.2 On Rope Data Tag.
2.20.3 Factor of Safety
2.20.4 Minimum Number and Diameter of Suspension Ropes
TABLE 2.20.3
MINIMUM FACTORS OF SAFETY FOR SUSPENSION WIRE ROPES
138 2.20.5 Suspension Rope Equalizers
2.20.5.1
2.20.5.2
2.20.5.3
2.20.6 Securing of Suspension Wire Ropes to Winding Drums
2.20.7 Spare Rope Turns on Winding Drums
2.20.8 Reserved
2.20.9 Suspension Rope Fastening
2.20.9.1 Type of Rope Fastenings.
2.20.9.2 Adjustable Shackle Rods.
2.20.9.3 General Design Requirements.
139 2.20.9.4 Tapered Rope Sockets.
2.20.9.5 Wedge Rope Sockets.
140 2.20.9.6 Rope Socket Embedment Medium.
FIG. 2.20.9.4 TAPERED ROPE SOCKETS
TABLE 2.20.9.4.5
RELATION OF ROPE DIAMETER TO DIAMETER OF THE SMALL SOCKET HOLE
141 2.20.9.7 Method of Securing Wire Ropes in Tapered Sockets.
FIG. 2.20.9.5 WEDGE ROPE SOCKETS
143 2.20.9.8 Anti-Rotation Devices.
2.20.10 Auxiliary Rope-Fastening Devices
2.20.10.1
2.20.10.2
2.20.10.3
2.20.10.4
2.20.10.5
2.20.10.6
144 2.20.10.7
2.20.10.8
2.20.10.9
SECTION 2.21 COUNTERWEIGHTS
2.21.1 General Requirements
2.21.1.1 Frames.
2.21.1.2 Retention of Weight Sections.
2.21.1.3 Guiding Members.
2.21.1.4 Independent Car Counterweights.
2.21.2 Design Requirements for Frames and Rods
2.21.2.1 Material.
2.21.2.2 Frame Connections.
2.21.2.3 Factor of Safety
2.21.2.4 Sheaves.
2.21.2.5 Suspension Rope Hitch or Shapes.
145 2.21.2.6 Securing of Weights in Frames.
2.21.3 Cars Counterbalancing One Another
2.21.4 Compensation Means
2.21.4.1
2.21.4.2
2.21.4.3
SECTION 2.22 BUFFERS AND BUMPERS
2.22.1 Type and Location
2.22.1.1 Type of Buffers.
2.22.1.2 Location.
2.22.2 Solid Bumpers
2.22.3 Spring Buffers
2.22.3.1 Stroke.
2.22.3.2 Load Rating
TABLE 2.22.3.1
MINIMUM SPRING BUFFER STROKE
146 2.22.3.3 Marking Plates.
2.22.4 Oil Buffers
2.22.4.1 Stroke.
2.22.4.2 Retardation.
2.22.4.3 Factor of Safety for Oil-Buffer Parts.
2.22.4.4 Slenderness Ratio for Members Under Compression as Columns.
2.22.4.5 Plunger Return Requirements.
147 2.22.4.6 Means for Determining Oil Level.
2.22.4.7 Type Tests and Certification for Oil Buffers
2.22.4.8 Compression of Buffers When Car Is Level With Terminal Landings.
2.22.4.9 Buffer Oil Requirements.
2.22.4.10 Load Ratings of Oil Buffers.
TABLE 2.22.4.1
MINIMUM OIL BUFFER STROKES
148 2.22.4.11 Buffer Marking Plate.
SECTION 2.23 CAR AND COUNTERWEIGHT GUIDE RAILS, GUIDE-RAIL SUPPORTS, AND FASTENINGS
2.23.1 Guide Rails Required
2.23.2 Material
2.23.2.1 Requirements for Steel, Where Used
2.23.2.2 Requirements for Metals Other Than Steel.
2.23.3 Rail Section
149 2.23.4 Maximum Load on Rails in Relation to the Bracket Spacing
2.23.4.1 With Single Car or Counterweight Safety.
2.23.4.2 With Two (Duplex) Car or Counterweight Safeties.
2.23.4.3 Counterweight With No Safety
FIG. 2.23.3 ELEVATOR GUIDE RAILS
TABLE 2.23.3
T-SECTION GUIDE RAIL DIMENSIONS
150 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(a)
151 FIG. 2.23.4.1-2 MINIMUM MOMENT OF INERTIA ABOUT X-X AXIS FOR A SINGLE GUIDE RAIL WITH ITS REINFORCEMENT
154 TABLE 2.23.4.2
LOAD MULTIPLYING FACTOR FOR DUPLEX SAFETIES
155 2.23.5 Stresses and Deflections
2.23.5.1 Guide Rails
2.23.5.2 Brackets, Fastenings, and Supports.
2.23.5.3 Allowable Stresses Due to Emergency Braking.
TABLE 2.23.4.3.1
GUIDE RAILS FOR COUNTERWEIGHT WITHOUT SAFETIES
TABLE 2.23.4.3.3
INTERMEDIATE TIE BRACKETS
156 2.23.6 Guide-Rail Surfaces
2.23.7 Rail Joints and Fishplates
2.23.7.1 Type and Strength of Rail Joints.
2.23.7.2 Design and Construction of Rail Joints
2.23.8 Overall Length of Guide Rails
TABLE 2.23.7.2.1
MINIMUM THICKNESS OF FISHPLATES AND MINIMUM DIAMETER OF FASTENING BOLTS
157 2.23.9 Guide-Rail Brackets and Building Supports
2.23.9.1 Design and Strength of Brackets and Supports
2.23.9.2 Bracket Fastenings
2.23.9.3
2.23.10 Fastening of Guide Rails to Rail Brackets
2.23.10.1 Type of Fastenings.
2.23.10.2 Size of Bolts for Fastening.
2.23.10.3 Bolt Holes for Fastenings.
SECTION 2.24 DRIVING MACHINES AND SHEAVES
2.24.1 Type of Driving Machines
2.24.2 Sheaves and Drums
2.24.2.1 Material and Grooving.
2.24.2.2 Minimum Pitch Diameter.
158 2.24.2.3 Traction
2.24.2.4 Minimum Sheave and Drum Diameter.
2.24.3 Factor of Safety for Driving Machines and Sheaves
2.24.3.1 Factors of Safety Based on Alternating/Reversing Stresses
2.24.3.2 Factors of Safety at Emergency Braking.
TABLE 2.23.10.2
MINIMUM SIZE OF RAIL-FASTENING BOLTS
159 2.24.4 Fasteners Transmitting Load
2.24.4.1 Fasteners and Rigid Connections.
2.24.4.2 Flexible Connections.
2.24.5 Shaft Fillets and Keys
2.24.6 Cast-Iron Worms and Worm Gears
2.24.7 Friction Gearing and Clutches
2.24.8 Braking System and Driving-Machine Brakes (See Appendix F, Table F1)
2.24.8.1 General Requirements.
2.24.8.2 Braking System
2.24.8.3 Driving-Machine Brake.
2.24.8.4 Means for Manual Release.
2.24.8.5 Marking Plates for Brakes.
2.24.8.6 Driving Machine Brake Design.
160 2.24.9 Indirect-Driving Machines
2.24.9.1 Belt and Chain Drives.
2.24.9.2 General Requirements
2.24.9.3 Monitoring and Brake Location.
2.24.10 Means for Inspection of Gears
SECTION 2.25 TERMINAL-STOPPING DEVICES
2.25.1 General Requirements
2.25.1.1
2.25.1.2
2.25.1.3
2.25.2 Normal Terminal Stopping Devices
2.25.2.1 Where Required and Function.
161 2.25.2.2 Location of Stopping Devices.
2.25.2.3 Indirectly Operated Normal Terminal-Stopping Devices.
2.25.3 Final Terminal-Stopping Devices
2.25.3.1 General Requirements.
2.25.3.2 Where Required and Function.
2.25.3.3 Location.
162 2.25.3.4 Controller Switches Controlled by Final Terminal-Stopping Device.
2.25.3.5 Additional Requirements for Winding Drum Machines.
2.25.4 Emergency Terminal-Stopping Means
2.25.4.1 Emergency Terminal-Speed Limiting Device.
163 2.25.4.2 Emergency Terminal-Stopping Device.
SECTION 2.26 OPERATING DEVICES AND CONTROL EQUIPMENT
2.26.1 Operation and Operating Devices
2.26.1.1 Types of Operating Devices.
2.26.1.2 For Car-Switch Operation Elevators.
2.26.1.3 Additional Operating Devices for Elevators Equipped to Carry One-Piece Loads Greater Than the Rated Load.
2.26.1.4 Inspection Operation
164 2.26.1.5 Inspection Operation with Open Door Circuits.
165 2.26.1.6 Operation in Leveling or Truck Zone.
166 2.26.2 Electrical Protective Devices
2.26.2.1 Slack-Rope Switch.
2.26.2.2 Motor-Generator Running Switch.
2.26.2.3 Compensating-Rope Sheave Switch.
2.26.2.4 Motor Field Sensing Means.
2.26.2.5 Emergency Stop Switch.
2.26.2.6 Broken Rope, Tape, or ChainSwitches.
2.26.2.7 Stop Switch in Pit.
2.26.2.8 Stop Switch on Top of Car.
2.26.2.9 Car-Safety Mechanism Switch.
2.26.2.10 Speed-Governor Overspeed Switch.
167 2.26.2.11 Final Terminal-Stopping Devices.
2.26.2.12 Emergency Terminal-Speed Limiting Devices.
2.26.2.13 Buffer Switches for Oil Buffers Used With Type C Car Safeties.
2.26.2.14 Hoistway-Door Interlocks and Hoistway-Door Electric Contacts.
2.26.2.15 Car-Door and Gate Electric Contacts.
2.26.2.16 Emergency Terminal Stopping Devices.
2.26.2.17 Car Side-Emergency-Exit Door Contact Switches.
2.26.2.18 Car Top-Emergency-Exit Electrical Device.
2.26.2.19 Motor-Generator Overspeed Protection.
2.26.2.20 Electric Contacts for Hinged Car Platform Sills.
2.26.2.21 In-Car Stop Switch.
2.26.2.22 Buffer Switches for Gas Spring-Return Oil Buffers.
2.26.2.23 Stop Switch in Remote Machine and Control Rooms.
2.26.2.24 Stop Switch in Overhead Machinery Space in the Hoistway.
2.26.2.25 Blind Hoistway Emergency Door Locking Device.
2.26.2.26 Pit Access Door Electric Contact.
2.26.2.27 Stop Switch in Remote Counterweight Hoistways.
2.26.2.28 Car-Door Interlock.
2.26.2.29 Ascending Car Overspeed Protection Device.
2.26.2.30 Unintended Car Movement Device.
168 2.26.2.31 Car Access Panel Locking Device.
2.26.2.32 Hoistway Access Opening Locking Device.
2.26.3 Contactors and Relays for Use in Critical Operating Circuits
2.26.4 Electrical Equipment and Wiring
2.26.4.1
2.26.4.2
2.26.4.3
2.26.4.4
2.26.4.5
2.26.5 System to Monitor and Prevent Automatic Operation of the Elevator With Faulty Door Contact Circuits
169 2.26.6 Phase Protection of Motors
2.26.7 Installation of Capacitors or Other Devices to Make Electrical Protective Devices Ineffective
2.26.8 Release and Application of Driving-Machine Brakes
2.26.8.1
2.26.8.2
2.26.8.3
2.26.8.4
2.26.8.5
2.26.9 Control and Operating Circuits
2.26.9.1
2.26.9.2
2.26.9.3
2.26.9.4
170 2.26.9.5
2.26.9.6
2.26.9.7
2.26.9.8
2.26.10 Absorption of Regenerated Power
171 2.26.11 Car Platform to Hoistway Door Sills Vertical Distance
2.26.12 Symbols
2.26.12.1
2.26.12.2
2.26.12.3
SECTION 2.27 EMERGENCY OPERATION AND SIGNALING DEVICES
2.27.1 Car Emergency Signaling Devices
2.27.1.1
2.27.1.2
2.27.1.3
172 TABLE 2.26.12.1
SYMBOL IDENTIFICATION
173 2.27.2 Emergency or Standby Power System
2.27.2.1
2.27.2.2
2.27.2.3
2.27.2.4
2.27.2.5
2.27.3 Firefighters’ Emergency Operation Āµ Automatic Elevators
2.27.3.1 Phase I Emergency Recall Operation
175 2.27.3.2 Phase I Emergency Recall Operation by Fire Alarm Initiating Devices
FIG. 2.27.3.1.6(h) VISUAL SIGNAL
176 2.27.3.3 Phase II Emergency In-Car Operation.
178 2.27.3.4 Interruption of Power.
2.27.3.5 Multicompartment Elevators.
2.27.4 Firefighters’ Emergency Operation Āµ Non-Automatic Elevators
2.27.4.1 Phase I Emergency Recall Operation.
179 2.27.4.2 Phase I Emergency Recall Operation by Fire Alarm Initiating Devices.
2.27.5 Firefighters’ Emergency Operation Āµ Automatic Elevators With Designated-Attendant Operation
2.27.5.1
2.27.5.2
2.27.5.3
2.27.6 Firefighters’ Emergency Operation Āµ Inspection Operation
2.27.7 Firefighters’ Emergency Operation Āµ Operating Procedures
2.27.7.1
FIG. 2.27.7.1 PHASE I EMERGENCY RECALL OPERATION INSTRUCTIONS
180 2.27.7.2
2.27.7.3
2.27.7.4
2.27.8 Switch Keys
FIG. 2.27.7.2 PHASE II EMERGENCY IN-CAR OPERATION
181 SECTION 2.28 LAYOUT DRAWINGS
2.28.1 Information Required on Layout Drawings
SECTION 2.29 IDENTIFICATION
2.29.1 Identification of Equipment
2.29.2 Identification of Floors
183 PART 3 HYDRAULIC ELEVATORS
SCOPE
SECTION 3.1 CONSTRUCTION OF HOISTWAYS AND HOISTWAY ENCLOSURES
3.1.1 Strength of Pit Floor
3.1.2 Floors Over Hoistways
SECTION 3.2 PITS
3.2.1 Minimum Pit Depths Required
SECTION 3.3 LOCATION AND GUARDING OF COUNTERWEIGHTS
SECTION 3.4 BOTTOM AND TOP CLEARANCES AND RUNBYS FOR CARS AND COUNTERWEIGHTS
3.4.1 Bottom Car Clearance
3.4.1.1
184 3.4.1.2
3.4.1.3
3.4.1.4
3.4.1.5
3.4.1.6
3.4.2 Minimum Bottom and Top Car Runby
3.4.2.1 Bottom Car Runby.
3.4.2.2 Car Top Minimum Runby.
3.4.3 Car Top and Bottom Maximum Runby
3.4.4 Top Car Clearance
3.4.5 Equipment Projecting Above the Car Top
185 3.4.6 Top Clearance and Bottom Runby of Counterweight
3.4.6.1 Top Clearance.
3.4.6.2 Bottom Runby.
3.4.7 Refuge Space on Top of Car Enclosure
3.4.8 Vertical Clearances With Underslung Car Frames
SECTION 3.5 HORIZONTAL CAR AND COUNTERWEIGHT CLEARANCES
SECTION 3.6 PROTECTION OF SPACES BELOW HOISTWAY
3.6.1 Jack Supporting Structure
3.6.2 Counterweight Safety Actuation
3.6.3 Buffer Types
186 3.6.4 Buffer Supports
SECTION 3.7 MACHINE ROOMS AND MACHINERY SPACES
3.7.1 Location of Machine Rooms
SECTION 3.8 ELECTRICAL EQUIPMENT, WIRING, PIPES, AND DUCTS IN HOISTWAY AND MACHINE 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
3.11.1 Emergency Doors
SECTION 3.12 HOISTWAY-DOOR LOCKING DEVICES, CAR-DOOR OR GATE ELECTRIC CONTACTS, AND HOISTWAY ACCESS SWITCHES
3.12.1 Hoistway-Door Locking Devices and Electric Contacts, and Hoistway Access Switches
3.12.2 Car-Door or Gate Electric Contacts and Car-Door Interlocks
SECTION 3.13 POWER OPERATION, POWER OPENING, AND POWER CLOSING OF HOISTWAY DOORS AND CAR DOORS OR GATES
187 SECTION 3.14 CAR ENCLOSURES, CAR DOORS AND GATES, AND CAR ILLUMINATION
SECTION 3.15 CAR FRAMES AND PLATFORMS
3.15.1 Requirements
3.15.1.1
3.15.1.2
3.15.2 Maximum Allowable Stresses and Deflections in Car Frame and Platform Members
3.15.2.1 Direct-Acting Hydraulic Elevators.
3.15.2.2 Roped-Hydraulic Elevators.
3.15.3 Calculations of Stresses and Deflections in Car Frame andƈPlatform Members
3.15.3.1 Direct-Acting Hydraulic Elevators.
3.15.3.2 Roped-Hydraulic Elevators.
188 SECTION 3.16 CAPACITY AND LOADING
3.16.1 General
SECTION 3.17 CAR AND COUNTERWEIGHT SAFETIES
3.17.1 Car Safeties
3.17.1.1
3.17.1.2
3.17.1.3
3.17.2 Counterweight Safeties
SECTION 3.18 HYDRAULIC JACKS
3.18.1 Hydraulic Jack and Connections
3.18.1.1 Direct-Acting Hydraulic Elevators.
3.18.1.2 Roped-Hydraulic Elevator
189 3.18.2 Plungers
3.18.2.1 Material.
3.18.2.2 Plunger Design.
3.18.2.3 Plunger Connection
3.18.2.4 Plunger Joints.
3.18.2.5 Plungers Subject to External Pressure.
3.18.2.6 Plunger Heads Subject to Fluid Pressure.
3.18.2.7 Plunger-Follower Guide
190 3.18.3 Cylinders
3.18.3.1 Material.
3.18.3.2 Cylinder Design.
3.18.3.3 Clearance at Bottom of Cylinder.
3.18.3.4 Safety Bulkhead.
3.18.3.5 Cylinder Packing Heads.
3.18.3.6 Closed Cylinder and Plunger Heads.
3.18.3.7 Collection of Oil Leakage.
3.18.3.8 Cylinders Buried in the Ground
191 3.18.3.9 Means for Relief of Air or Gas.
3.18.4 Plunger Stops
3.18.4.1 Metal Stops and/or Other Means.
3.18.4.2 Hydraulic System.
3.18.5 Welding
SECTION 3.19 VALVES, PRESSURE PIPING, AND FITTINGS
3.19.1 Materials and Working Pressures
3.19.1.1 Materials.
3.19.1.2 Working Pressures.
3.19.1.3 Component Proof Test.
3.19.1.4 Component Markings.
192 3.19.2 Pressure Piping
3.19.2.1 Wall Thickness.
3.19.2.2 Threading.
3.19.2.3 Pipe Supports.
3.19.2.4 Pipe, Tubing, or Fittings.
3.19.3 Connections and Fittings
3.19.3.1 Connections.
3.19.3.2 Grooved Pipe Fittings
3.19.3.3 Flexible Hydraulic Connections.
3.19.4 Valves
3.19.4.1 Shutoff Valve.
193 3.19.4.2 Pump Relief Valve
3.19.4.3 Check Valve.
3.19.4.4 Manual Lowering Valve.
3.19.4.5 Pressure Gauge Fittings.
3.19.4.6 Type Tests, Certification, and Marking Plates for Control Valves
3.19.4.7 Overspeed Valves.
194 3.19.5 Piping Buried in the Ground
3.19.5.1 Protection.
3.19.5.2 Seals.
3.19.6 Welding
3.19.6.1
3.19.6.2
3.19.7 Electrical Requirements
SECTION 3.20 ROPES AND ROPE CONNECTIONS
SECTION 3.21 COUNTERWEIGHTS
SECTION 3.22 BUFFERS AND BUMPERS
3.22.1 Car Buffers or Bumpers
195 3.22.1.1
3.22.1.2
3.22.1.3
3.22.1.4
3.22.1.5
3.22.2 Counterweight Buffers
SECTION 3.23 GUIDE RAILS, GUIDE-RAIL SUPPORTS, AND FASTENINGS
3.23.1 Direct-Acting Hydraulic Elevators
3.23.1.1
3.23.1.2
3.23.1.3
3.23.1.4
3.23.2 Roped-Hydraulic Elevators
3.23.2.1
3.23.2.2
SECTION 3.24 HYDRAULIC MACHINES AND TANKS
3.24.1 Hydraulic Machines (Power Units)
3.24.1.1 Marking Plates.
3.24.2 Tanks
3.24.2.1 Capacity.
3.24.2.2 Minimum Level Indication.
196 3.24.3 Atmosphere Storage and Discharge Tanks
3.24.3.1 Covers and Venting.
3.24.3.2 Factor of Safety.
3.24.3.3 Means for Checking Liquid Level.
3.24.4 Welding
3.24.5 Counterweight Sheaves
SECTION 3.25 TERMINAL-STOPPING DEVICES
3.25.1 Normal Terminal-Stopping Devices
3.25.1.1 Where Required and Function.
3.25.1.2 Location of Stopping Switches.
3.25.1.3 Requirements for Stopping Switches on the Car or in the Hoistway.
3.25.1.4 Requirements for Stopping Switches in a Machine Room or Overhead Space.
3.25.2 Terminal-Speed Reducing Devices
3.25.2.1 Where Required.
3.25.2.2 Requirements.
197 3.25.3 Final Terminal-Stopping Devices
SECTION 3.26 OPERATING DEVICES AND CONTROL EQUIPMENT
3.26.1 Operating Devices and Control Equipment
3.26.2 Inspection Operation
3.26.3 Anti-Creep and Leveling Operation
3.26.3.1 Anti-Creep Operation.
198 3.26.3.2 Operation in Leveling or Truck Zone.
3.26.4 Electrical Protective Devices
3.26.4.1
3.26.4.2
3.26.5 Phase-Reversal and Failure Protection
3.26.6 Control and Operating Circuits
3.26.6.1
3.26.6.2
3.26.7 Recycling Operation for Multiple or Telescopic Plungers
199 3.26.8 Pressure Switch
3.26.9 Low Oil Protection
3.26.10 Auxiliary Power Lowering Operation
3.26.10.1
3.26.10.2
3.26.10.3
SECTION 3.27 EMERGENCY OPERATION AND SIGNALING DEVICES
3.27.1 Phase I Emergency Recall Operation After Device Actuation
200 3.27.2 Phase I Emergency Recall Operation Prior to Device Actuation
3.27.3 Device Actuation at Recall Level
3.27.4 Device Actuation With Phase II Emergency In-Car Operation in Effect
SECTION 3.28 LAYOUT DATA
3.28.1 Information Required on Layout Drawing
SECTION 3.29 IDENTIFICATION
201 PART 4 ELEVATORS WITH OTHER TYPES OF DRIVING MACHINES
SCOPE
SECTION 4.1 RACK AND PINION ELEVATORS
4.1.1 Hoistways, Hoistway Enclosures, and Related Construction
4.1.2 Machinery Rooms and Machinery Spaces
4.1.2.1
4.1.2.2
4.1.2.3
4.1.2.4
4.1.3 Equipment in Hoistways or Machine Rooms
4.1.4 Supports and Foundations
202 4.1.5 Emergency Doors
4.1.6 Car Enclosures, Car Doors and Gates, and Car Illumination
4.1.7 Car Frames and Platforms
4.1.8 Capacity and Loading
4.1.9 Car Safeties and Speed Governor
4.1.9.1 Stopping Distances.
4.1.10 Counterweights
4.1.11 Car Buffers
4.1.12 Guide Rails, Guide-Rail Supports, and Fastenings
4.1.13 Rack and Pinion Driving Machine
4.1.13.1
4.1.13.2
4.1.13.3
4.1.13.4
203 4.1.13.5
4.1.13.6
4.1.14 Terminal Stopping Devices
4.1.14.1 Normal and Final Terminal Stopping Devices.
4.1.14.2 Emergency Terminal Speed Limiting Devices.
4.1.15 Operating Devices and Control Equipment
4.1.15.1 Applicable Requirements.
TABLE 4.1.9.1
MAXIMUM AND MINIMUM STOPPING DISTANCES FOR RACK AND PINION TYPE SAFETIES WITH RATED LOAD
204 4.1.15.2 Permitted Voltage.
4.1.16 Emergency Operation and Signal Devices
4.1.17 Layout Drawings
4.1.18 Welding
SECTION 4.2 SCREW-COLUMN ELEVATORS
4.2.1 Hoistways, Hoistway Enclosures, and Related Construction
4.2.2 Vertical Clearance and Runby for Cars
4.2.2.1 Bottom Car Clearance.
4.2.2.2 Minimum and Maximum Bottom and Top Car Runby.
4.2.2.3 Top Car Clearance.
4.2.2.4 Refuge Space on Top of Car Enclosure.
4.2.3 Horizontal Car Clearance
4.2.4 Protection of Spaces Below Hoistway
4.2.4.1
205 4.2.4.2
4.2.4.3
4.2.5 Machine Rooms and Machinery Spaces
4.2.5.1
4.2.5.2
4.2.5.3
4.2.5.4
4.2.5.5
4.2.5.6
4.2.6 Equipment in Hoistways and Machine Rooms
4.2.7 Supports and Foundations
4.2.7.1
4.2.7.2
206 4.2.8 Car Enclosures, Car Doors and Gates, and Car Illumination
4.2.9 Car Frames and Platforms
4.2.10 Capacity and Loading
4.2.11 Car Safeties and Speed Governor
4.2.11.1
4.2.11.2
4.2.12 Safety Nut and Data Tag
4.2.12.1
4.2.12.2
4.2.12.3
4.2.13 Car Buffers
4.2.14 Guide Rails, Guide-Rail Supports, and Fastenings
4.2.15 Driving Machine and Screw Column
4.2.15.1
4.2.15.2
4.2.15.3
207 4.2.15.4
4.2.15.5
4.2.15.6
4.2.15.7
4.2.15.8
4.2.15.9
4.2.15.10
4.2.15.11
4.2.16 Terminal Stopping Devices
4.2.16.1 Normal Terminal Stopping Devices.
4.2.16.2 Final Terminal Stopping Devices.
4.2.16.3 Emergency Terminal Speed Limiting Devices.
4.2.17 Operating Devices and Control Equipment
4.2.17.1 Applicable Requirements.
208 4.2.18 Emergency Operation and Signaling Devices
4.2.19 Layout Drawings
4.2.20 Welding.
SECTION 4.3 HAND ELEVATORS
4.3.1 Hoistways, Hoistway Enclosures, and Related Construction
4.3.2 Pits
209 4.3.3 Top Clearances
4.3.3.1 Top Car Clearance.
4.3.3.2 Top Counterweight Clearance.
4.3.4 Enclosures for Machines and Control Equipment
4.3.5 Overhead Beams and Supports, and Access to Machines and Sheaves
4.3.5.1 Overhead Beams and Supports.
4.3.5.2 Access to Machines and Sheaves.
4.3.6 Hoistway Entrances
4.3.6.1 Types of Entrances.
4.3.6.2 Closing of Hoistway Doors.
4.3.6.3 Signs on Hoistway Doors.
4.3.7 Hoistway Gates for Landing Openings
210 4.3.8 Hoistway-Door and Hoistway-Gate Locking Devices
4.3.8.1 Door Latches.
4.3.8.2 Gate Locks.
4.3.9 Car Enclosures
4.3.10 Use of Glass in Cars
4.3.11 Car Frames and Platforms
4.3.12 Car Compartments
4.3.13 Cars Counterbalancing One Another
4.3.14 Capacity and Loading
4.3.14.1 Minimum Rated Load.
4.3.14.2 Capacity Plate.
4.3.15 Car Safeties
211 4.3.16 Suspension Means
4.3.16.1 Type and Number Required.
4.3.16.2 Factor of Safety.
4.3.16.3 Length of Suspension Members.
4.3.16.4 Securing of Drum Ends, and Turns on Drum.
4.3.16.5 Suspension-Member Data.
4.3.17 Counterweights
4.3.17.1 Counterweight Construction.
4.3.18 Guide Rails and Fastenings
4.3.18.1 Material and Finish.
4.3.18.2 Strength of Rails and Fastenings.
4.3.18.3 Extension of Guide Rails at Top and Bottom of Hoistway.
4.3.19 Driving Machines and Sheaves
4.3.19.1 Factors of Safety.
4.3.19.2 Driving-Machine Brakes.
4.3.20 Power Attachments
4.3.21 Layout Data
4.3.22 Inspections and Tests
213 PART 5 SPECIAL APPLICATION ELEVATORS
SCOPE
SECTION 5.1 INCLINED ELEVATORS
5.1.1 General Requirements
5.1.1.1
5.1.1.2
5.1.2 Construction of Hoistway and Hoistway Enclosures
5.1.2.1 Fire-Resistive Construction.
5.1.2.2 Non-Fire-Resistive Construction.
214 5.1.3 Pits and Work Spaces
5.1.3.1 Work Space Dimensions.
5.1.3.2 Pit and Work Space Water Removal.
5.1.4 Counterweight Pit Guards
5.1.5 Clearances for Cars and Counterweights
5.1.5.1 Bottom Car Clearances.
5.1.5.2 Top Car Clearance for Un-Counterweighted Inclined Elevators.
5.1.6 Protection of Spaces in Line With the Direction of Travel
5.1.7 Equipment in Hoistways and Machine Rooms
5.1.7.1 Protection of Traveling Cables.
5.1.7.2 Weatherproofing.
5.1.8 Protection of Hoistway Openings
5.1.8.1 Hoistway Door Vision Panels.
5.1.8.2 Landing Sill Guards.
215 5.1.9 Restricted Opening of Hoistway or Car Doors
5.1.10 Access to Hoistways for Inspection, Maintenance, and Repairs
5.1.10.1 Hoistway Access Switches.
5.1.10.2 Workspace Access.
5.1.10.3 Special Operating Requirements
5.1.11 Car Enclosures
5.1.11.1 Car Emergency Exits
5.1.11.2 Car-Enclosure Tops.
216 5.1.11.3 Glass and Plastic for Cars and Doors.
5.1.12 Car Frames and Platforms
5.1.12.1 Materials for Car Frames and Platform Frames.
5.1.12.2 Platform Guards (Aprons).
5.1.13 Capacity and Loading
5.1.13.1 Benches or Seats.
5.1.13.2 Data Plates.
5.1.14 Car and Counterweight Safeties
5.1.14.1 Requirements for Safeties.
5.1.14.2 Functions and Stopping Distance of Safeties.
5.1.14.3 Limits of Use of Various Types of Safeties
217 5.1.15 Speed Governor Drive
5.1.15.1 Rope Driven Governors.
5.1.15.2 Other Driving Means of Governors.
5.1.15.3 Counterweight Mounted Governor.
5.1.16 Suspension Ropes and Their Connections
5.1.16.1 Protection of Ropes.
5.1.17 Car and Counterweight Buffers
5.1.17.1 Type and Location.
TABLE 5.1.14.2
MINIMUM AND MAXIMUM STOPPING DISTANCES AT GIVEN ANGLES FROM HORIZONTAL
218 5.1.17.2 Spring Buffer Stroke.
5.1.17.3 Vertical and Horizontal Components of Velocity.
5.1.17.4 Oil Buffers.
5.1.18 Car and Counterweight Guide Rails, Guide-Rail Supports, and Fastenings
5.1.18.1 Guide-Rail Section.
5.1.18.2 Maximum Load on Rails.
5.1.18.3 Guide-Rail Surfaces.
5.1.18.4 Safety Guide Rail.
5.1.19 Driving Machines
5.1.19.1 Winding Drum Machines.
FIG. 5.1.17.3 VERTICAL AND HORIZONTAL COMPONENTS OF VELOCITY
TABLE 5.1.17.2
SPRING BUFFER STROKE
219 5.1.20 Operating Devices and Control Equipment
5.1.20.1 Inspection Operation.
5.1.20.2 Operating Requirements
5.1.20.3 Top of Car Stop Switch.
5.1.20.4 Machine Room Inspection.
5.1.20.5 Slack Rope Device.
5.1.20.6 Horizontal Retardations at Emergency Electrical Stopping.
5.1.21 Emergency Operations and Signaling Devices
5.1.21.1 Emergency Signal and/or Communications.
5.1.22 End-Loading Inclined Elevators
5.1.22.1 Additional Requirements.
TABLE 5.1.17.4.4
MINIMUM OIL BUFFER STROKES AT GIVEN ANGLE FROM HORIZONTAL
220 5.1.22.2 Speed.
5.1.22.3 Buffers.
5.1.22.4 Final Terminal Stopping Devices.
5.1.22.5 Retractable Sills.
5.1.22.6 Locking Car Doors.
SECTION 5.2 LIMITED-USE/LIMITED-APPLICATION ELEVATORS
5.2.1 Electric Limited-Use/Limited-Application Elevators
5.2.1.1 Construction of Hoistway and Hoistway Enclosures.
5.2.1.2 Pits.
5.2.1.3 Location and Guarding of Counterweights.
5.2.1.4 Vertical Clearances and Runbys for Cars and Counterweights.
221 5.2.1.5 Horizontal Car and Counterweight Clearances.
5.2.1.6 Protection of Spaces Below Hoistways.
5.2.1.7 Machine Rooms and Machinery Spaces.
222 5.2.1.8 Electrical Equipment, Wiring, Pipes, and Ducts in Hoistways and Machine Rooms.
5.2.1.9 Machinery and Sheave Beams, Supports, and Foundations.
5.2.1.10 Guarding.
5.2.1.11 Protection of Hoistway Landing Openings.
5.2.1.12 Hoistway Door Locking Devices and Electric Contacts, and Hoistway Access Switches.
223 5.2.1.13 Power Operation of Hoistway Doors and Car Doors and Gates.
5.2.1.14 Car Enclosures, Car Doors, and Car Illumination.
5.2.1.15 Car Frames and Platforms.
5.2.1.16 Capacity, Loading, Speed, and Rise
5.2.1.17 Car and Counterweight.
224 5.2.1.18 Speed Governors.
5.2.1.19 Ascending Car Overspeed and Unintended Car Movement Protection.
5.2.1.20 Suspension Ropes and Their Connections.
5.2.1.21 Counterweights.
5.2.1.22 Buffers and Bumpers.
5.2.1.23 Car and Counterweight Guide Rails, Guide-Rail Supports, and Fastenings.
225 5.2.1.24 Driving Machine and Sheaves.
5.2.1.25 Terminal-Stopping Devices.
5.2.1.26 Operating Devices and Control Equipment.
5.2.1.27 Emergency Operations and Signaling Devices.
5.2.1.28 Manual Operation.
5.2.1.29 Layout Data.
5.2.1.30 Welding.
5.2.2 Hydraulic Limited-Use/Limited-Application Elevators
5.2.2.1 Hoistways and Related Construction.
226 5.2.2.2 Bottom and Top Clearances and Runbys.
5.2.2.3 Mechanical Equipment.
5.2.2.4 Car Enclosures, Car Doors and Gates, and Car Illumination.
5.2.2.5 Platform Guards.
5.2.2.6 Capacity, Loading, Speed, and Rise.
5.2.2.7 Hydraulic Jacks and Sheaves.
5.2.2.8 Valves, Pressure Piping, and Fittings.
5.2.2.9 Bumpers.
5.2.2.10 Guide Rails, Guide-Rail Supports, and Their Fastenings.
5.2.2.11 Tanks.
5.2.2.12 Terminal-Stopping Devices.
5.2.2.13 Operating Devices and Control Equipment.
5.2.2.14 Emergency Operations and Signaling Devices.
5.2.2.15 Layout Data.
SECTION 5.3 PRIVATE RESIDENCE ELEVATORS
5.3.1 Private Residence Electric Elevators
5.3.1.1 Construction of Hoistway and Hoistway Enclosures.
227 5.3.1.2 Pits
5.3.1.3 Top Car Clearance.
5.3.1.4 Horizontal Car Clearances
5.3.1.5 Pipes in Hoistways.
5.3.1.6 Guarding of Suspension Means
228 5.3.1.7 Protection of Hoistway Openings
5.3.1.8 Car Enclosures, Car Doors and Gates, and Car Illumination
229 5.3.1.9 Car Frames and Platforms
5.3.1.10 Capacity, Loading, Speed, and Rise
5.3.1.11 Safeties and Governors
230 5.3.1.12 Suspension Means
231 5.3.1.13 Counterweights
5.3.1.14 Buffers and Buffer Supports
5.3.1.15 Car and Counterweight Guide Rails and Guide Fastenings.
5.3.1.16 Driving Machines, Sheaves, and Their Supports
232 5.3.1.17 Terminal Stopping Devices
233 5.3.1.18 Operating Devices and Control Equipment
234 5.3.1.19 Emergency Signaling Devices.
5.3.1.20 Marking Plates
5.3.2 Private Residence Hydraulic Elevators
5.3.2.1 General Requirements for Hydraulic Private Residence Elevators.
5.3.2.2 Driving Machines, Sheaves, and Supports for Direct-Plunger and Roped-Hydraulic Driving Machines
5.3.2.3 Terminal Stopping Devices.
5.3.2.4 Anti-Creep Leveling Devices.
235 SECTION 5.4 PRIVATE RESIDENCE INCLINED ELEVATORS
5.4.1 Runway Protection
5.4.2 Landing Enclosures and Gates (Where Required)
5.4.2.1 Landing Enclosures.
5.4.2.2 Landing Gates.
5.4.2.3 Construction of Landing Enclosures and Gates.
5.4.2.4 Clearance Between Landing Doors or Gates and Landing Sills and Car Doors or Gates.
5.4.2.5 Horizontal Clearance Between Car and Landing Sills.
5.4.3 Machinery Beams and Supports
5.4.3.1 Securing of Machinery Beams and Type of Support.
236 5.4.3.2 Loads on Beams and Supports.
5.4.3.3 Fastening of Driving Machines and Sheaves to Underside of Beams.
5.4.3.4 Factor of Safety of Beams and Supports.
5.4.4 Car Enclosures, Car Doors, and Gates
5.4.4.1 Car Enclosures Required
5.4.4.2 Car Doors or Gates
5.4.4.3 Use of Glass, Plastics, or Acrylics
5.4.5 Car and Chassis Construction
5.4.5.1 Car and Platform.
5.4.5.2 Chassis Construction.
237 5.4.5.3 Use of Cast Iron.
5.4.5.4 Number of Compartments.
5.4.6 Area, Rated Load, and Rated Speed
5.4.6.1 Rated Load.
5.4.6.2 Platform Area.
5.4.6.3 Rated Speed.
5.4.7 Car Safeties and Governors
5.4.7.1 Where Required.
5.4.7.2 Operation of Car Safeties.
5.4.7.3 Location of Speed Governor.
5.4.7.4 Opening of Brake and Motor Control Circuits on Safety Application.
5.4.7.5 Governor Ropes.
5.4.7.6 Slack-Rope and Slack-Chain Devices for Winding Drum and Roller Chain-Type Driving Machines
5.4.7.7 Application of Car Safety.
5.4.7.8 Use of Cast Iron in Car Safeties.
5.4.7.9 Corrosion Resistant Bearings in Safeties.
5.4.8 Suspension Means
5.4.8.1 Types Permitted.
5.4.8.2 Types Prohibited.
5.4.8.3 Minimum Diameter of Suspension Means.
238 5.4.8.4 Factor of Safety of Suspension Means.
5.4.8.5 Arc of Contact of Suspension Means on Sheaves and Sprockets.
5.4.8.6 Idle Turns of Ropes on Winding Drums.
5.4.8.7 Lengthening, Splicing, Repairing, or Replacing Suspension Means.
5.4.8.8 Securing Ends of Suspension Ropes in Winding Drums.
5.4.8.9 Fastening of Rope Suspension-Means to Cars and Counterweights.
5.4.8.10 Traveling Cables.
5.4.9 Counterweight Guiding and Construction
5.4.9.1 Guiding.
5.4.9.2 Construction.
5.4.9.3 Counterweight Safeties.
5.4.10 Bumpers and Buffers
5.4.10.1 Solid Bumpers.
5.4.10.2 Construction and Requirements for Solid Bumpers.
5.4.10.3 Spring Buffers.
239 5.4.10.4 Construction and Requirements for Spring Buffers.
5.4.11 Car and Counterweight Guide and Track Supports and Fastenings
5.4.11.1 Material.
5.4.11.2 Stresses of Deflections.
5.4.11.3 Overall Length of Guide Rails or Track.
5.4.12 Track(s)/Guide(s) Supporting Structure
5.4.13 Driving Machines and Sheaves
5.4.13.1 Materials for Drums and Sheaves and Minimum Diameters.
5.4.13.2 Factor of Safety.
5.4.13.3 Set-Screw Fastenings.
5.4.13.4 Friction Gear, Clutch Mechanism, or Coupling.
5.4.13.5 Use of Cast Iron in Gears.
5.4.13.6 Driving Machine Brakes.
5.4.13.7 Operation of Brake.
5.4.13.8 Location of Driving-Machine, Alignment, and Guarding of Sheaves.
5.4.13.9 Driving Machine Roller-Chain Sprockets.
5.4.13.10 Manual Operation.
5.4.14 Terminal Stopping Devices
5.4.14.1 Terminal Stopping Devices.
5.4.14.2 Final Stopping Devices.
240 5.4.14.3 Operation of Stopping Devices.
5.4.15 Operating Devices and Control Equipment
5.4.15.1 Type of Operation.
5.4.15.2 Emergency Stop Switches in Cars.
5.4.15.3 Control and Operating Circuit Requirements.
5.4.15.4 Hand Rope Operation.
5.4.15.5 Electrical Equipment and Wiring
5.4.16 Data Plates
5.4.16.1 Capacity Plates.
5.4.16.2 Data Plates.
SECTION 5.5 POWER SIDEWALK ELEVATORS
5.5.1 Electric Sidewalk Elevators
5.5.1.1 Construction of Hoistways and Hoistway Enclosures.
241 5.5.1.2 Pits.
5.5.1.3 Location and Guarding of Counterweight.
5.5.1.4 Vertical Clearances and Runbys.
5.5.1.5 Horizontal Car and Counterweight Clearances.
5.5.1.6 Protection of Spaces Below Hoistway.
5.5.1.7 Machine Rooms and Machinery Spaces.
5.5.1.8 Equipment in Hoistways and Machine Rooms.
5.5.1.9 Machinery and Sheave Beams, Supports, and Foundations.
5.5.1.10 Guarding.
5.5.1.11 Protection of Hoistway Landing Openings
242 5.5.1.12 Hoistway Door Locking Devices and Electric Contacts, and Hoistway Access Switches.
5.5.1.13 Power Operation of Hoistway Doors and Car Doors.
5.5.1.14 Car Enclosures, Car Doors and Gates, and Car Illumination
243 5.5.1.15 Car Frames and Platforms.
5.5.1.16 Capacity and Loading.
5.5.1.17 Car and Counterweight Safeties.
5.5.1.18 Speed Governors.
5.5.1.19 Suspension Ropes.
5.5.1.20 Counterweights.
5.5.1.21 Buffers and Bumpers.
5.5.1.22 Guide Rails.
5.5.1.23 Driving Machines and Sheaves.
244 5.5.1.24 Terminal Stopping Devices.
5.5.1.25 Operating Devices and Control Equipment.
5.5.1.26 Car Emergency Signaling Devices.
5.5.1.27 Layout Data.
5.5.1.28 Welding.
5.5.2 Direct-Plunger Hydraulic Sidewalk Elevators
5.5.2.1 Hoistways, Hoistway Enclosures, and Related Construction.
245 5.5.2.2 Vertical Clearances and Runbys.
5.5.2.3 Protection of Spaces Below Hoistway.
5.5.2.4 Machine Rooms and Machinery Spaces.
5.5.2.5 Emergency Doors.
5.5.2.6 Car Enclosures, Car Doors and Gates, and Car Illumination.
5.5.2.7 Car Frames and Platforms.
5.5.2.8 Capacity and Loading.
5.5.2.9 Car and Counterweight Safeties.
5.5.2.10 Hydraulic Jacks.
5.5.2.11 Valves, Pressure Piping, and Fittings.
5.5.2.12 Counterweights.
5.5.2.13 Buffers and Bumpers.
5.5.2.14 Guide Rails, Guide-Rail Supports and Fastenings.
5.5.2.15 Tanks.
5.5.2.16 Terminal Stopping Devices.
5.5.2.17 Operating Devices and Control Equipment
5.5.2.18 Layout Data.
SECTION 5.6 ROOFTOP ELEVATORS
5.6.1 Electric Rooftop Elevators
5.6.1.1 Construction of Hoistway and Hoistway Enclosures.
246 5.6.1.2 Pits.
5.6.1.3 Location and Guarding of Counterweight.
5.6.1.4 Vertical Clearances and Runbys.
5.6.1.5 Horizontal Car and Counterweight Clearances.
5.6.1.6 Protection of Spaces Below Hoistway.
5.6.1.7 Machine Rooms and Machinery Spaces.
5.6.1.8 Equipment in Hoistways and Machine Rooms.
5.6.1.9 Machinery and Sheave Beams, Supports, and Foundations.
5.6.1.10 Guarding.
5.6.1.11 Protection of Hoistway Landing Openings
247 5.6.1.12 Hoistway Door Locking Devices and Electric Contacts and Hoistway Access Switches.
5.6.1.13 Power Operation of Hoistway Doors and Car Doors.
5.6.1.14 Car Enclosures, Car Doors and Gates, and Car Illumination.
5.6.1.15 Car Frames and Platforms.
248 5.6.1.16 Capacity and Loading.
5.6.1.17 Safeties.
5.6.1.18 Governors.
5.6.1.19 Suspension Ropes.
5.6.1.20 Counterweights.
5.6.1.21 Buffers and Bumpers.
5.6.1.22 Guide Rails.
5.6.1.23 Driving Machines and Sheaves.
5.6.1.24 Terminal Stopping Devices.
5.6.1.25 Operating Devices and Control Equipment.
249 5.6.1.26 Emergency Operation and Signaling Devices.
5.6.1.27 Welding.
5.6.2 Direct-Plunger Hydraulic Rooftop Elevators
5.6.2.1 Hoistways, Hoistway Enclosures, and Related Construction.
5.6.2.2 Vertical Clearances and Runbys.
5.6.2.3 Protection of Spaces Below Hoistway.
5.6.2.4 Machine Rooms and Machinery Spaces.
5.6.2.5 Emergency Doors.
5.6.2.6 Car Enclosures, Car Doors and Gates, and Car Illumination.
5.6.2.7 Car Frames and Platforms.
5.6.2.8 Capacity and Loading.
5.6.2.9 Car and Counterweight Safeties
5.6.2.10 Hydraulic Jacks.
5.6.2.11 Valves, Pressure Piping, and Fittings.
5.6.2.12 Counterweights.
5.6.2.13 Buffers and Bumpers.
5.6.2.14 Guide Rails.
5.6.2.15 Tanks.
5.6.2.16 Terminal Stopping Devices.
5.6.2.17 Operating Devices and Control Equipment.
250 SECTION 5.7 SPECIAL PURPOSE PERSONNEL ELEVATORS
5.7.1 Construction of Hoistways and Hoistway Enclosures
5.7.1.1 Hoistways and Hoistway Enclosures.
5.7.1.2 Floor Over Hoistway.
5.7.2 Pits
5.7.3 Location and Enclosing of Counterweights
5.7.3.1 Counterweight Coming Down to Floors or Passing Floors or Stairs.
5.7.3.2 Access to Enclosed Counterweights and Ropes.
5.7.4 Vertical Clearances and Runby
5.7.4.1 Bottom Runby.
5.7.4.2 Top Car Clearance.
5.7.5 Horizontal Car and Counterweight Clearances
5.7.6 Protection of Spaces Below Hoistway
251 5.7.7 Overhead Machinery Beams and Supports
5.7.7.1 Securing of Machinery Beams and Type of Supports
5.7.7.2 Loads on Overhead Beams and Supports.
5.7.7.3 Factor of Safety of Overhead Beams and Supports.
5.7.7.4 Allowable Stresses and Deflections.
5.7.8 Hoistway Doors and Gates
5.7.8.1 Where Required.
5.7.8.2 Projections of Hoistway Doors or Gates Into Hoistway.
5.7.8.3 Access to Hoistways for Emergency and Inspection Purposes.
5.7.8.4 Opening of Hoistway Doors and Gates.
5.7.8.5 Hangers and Stops for Sliding Hoistway Doors.
5.7.8.6 Distance Between Hoistway Doors or Gates and Landing Sills and Car Doors or Gates.
5.7.9 Locking Devices for Hoistway Doors or Gates
252 5.7.10 Car Enclosures, Car Doors and Gates, and Car Illumination
5.7.10.1 Enclosures Required.
5.7.10.2 Securing Enclosures.
5.7.10.3 Illumination in Car.
5.7.10.4 Emergency Exits.
5.7.10.5 Car Doors or Gates.
5.7.11 Car Construction
5.7.11.1 Car Frames and Platforms.
5.7.11.2 Use of Cast Iron.
5.7.11.3 Use of Glass.
5.7.11.4 Number of Compartments.
5.7.12 Capacity and Loading
5.7.12.1 Capacity and Data Plates.
5.7.12.2 Limitation of Load, Speed, and Platform Area.
5.7.13 Car Safeties and Governors
5.7.13.1 Car Safeties and Governors for Traction and Winding Drum Type Elevators.
253 5.7.13.2 Car Safeties and Governors for Rack and Pinion Type Elevators.
5.7.13.3 Opening of Brake and Motor Control Circuits on Safety Application.
5.7.13.4 Application of Car Safety.
5.7.13.5 Minimum Factors of Safety and Stresses of Safety Parts and Rope Connections.
5.7.14 Suspension Ropes
5.7.14.1 Types Permitted.
5.7.14.2 Minimum Diameter of Suspension Ropes.
5.7.14.3 Factor of Safety of Suspension Means.
5.7.14.4 Arc of Contact of Suspension Means on Sheaves.
5.7.14.5 Arrangement of Wire Ropes on Winding Drums.
5.7.14.6 Lengthening, Splicing, Repairing, or Replacing Suspension Means.
5.7.14.7 Securing Ends of Suspension Ropes in Winding Drums.
254 5.7.14.8 Fastening of Rope Suspension-Means to Cars and Counterweights.
5.7.15 Counterweight Guiding and Construction
5.7.15.1 Guiding.
5.7.15.2 Car Counterweights.
5.7.15.3 Types of Counterweight Construc-tion
5.7.16 Car and Counterweight Buffers
5.7.16.1
5.7.16.2
5.7.17 Car Guide Rails and Guide-Rail Fastenings
5.7.17.1 Material.
5.7.17.2 Fastenings, Deflections, and Joints.
5.7.17.3 Extension of Guide Rails at Top and Bottom of Hoistway.
5.7.18 Driving Machines and Sheaves
5.7.18.1 Types of Driving Machines.
255 5.7.18.2 Material and Grooving for Sheaves and Drums.
5.7.18.3 Factor of Safety for Driving Machines and Sheaves.
5.7.18.4 Bolts Transmitting Torque, and Set Screws.
5.7.18.5 Friction-Gearing or Clutch Mechanism.
5.7.18.6 Use of Cast Iron in Gears.
5.7.18.7 Driving Machine Brakes.
5.7.18.8 Operation of Brake.
5.7.18.9 Access to Machines and Sheaves.
5.7.19 Operating Devices and Control Equipment
5.7.20 Operation
5.7.20.1 Types of Operation.
5.7.20.2 Hand-Rope Operation.
5.7.21 Emergency Signal and/or Communication
256 5.7.22 Layout Drawings
5.7.23 Welding
SECTION 5.8 SHIPBOARD ELEVATORS
5.8.1 Electric Shipboard Elevators
5.8.1.1 Hoistway Enclosures.
5.8.1.2 Separate Counterweight Hoistways.
5.8.1.3 Protection of Space Below Hoistway.
5.8.1.4 Hoistway Entrances.
5.8.1.5 Top Emergency Exits.
5.8.1.6 Illumination of Cars.
5.8.1.7 Traction Driving Machines
257 5.8.1.8 Emergency Operation and Signal Devices
5.8.1.9 Special Conditions.
5.8.1.10 Handrails.
5.8.1.11 Flooring.
5.8.2 Hydraulic Shipboard Elevators
5.8.2.1 Storage Tanks.
5.8.2.2 Special Conditions.
5.8.2.3 Handrails.
5.8.2.4 Flooring.
5.8.3 Rack and Pinion Shipboard Elevators
5.8.3.1 Special Conditions.
258 5.8.3.2 Handrails.
5.8.3.3 Flooring.
SECTION 5.9 MINE ELEVATORS
5.9.1 Construction of Hoistways and Hoistway Enclosures
5.9.2 Pits
5.9.2.1
5.9.2.2
5.9.3 Location and Guarding of Counterweights
5.9.4 Vertical Clearances and Runbys for Cars and Counterweights
5.9.5 Horizontal Car and Counterweight Clearances
5.9.6 Protection of Space Below Hoistways
5.9.7 Machine Rooms and Machinery Spaces
259 5.9.8 Equipment in Hoistways and Machine Rooms
5.9.8.1 Hoistway and Car Wiring.
5.9.8.2
5.9.8.3
5.9.9 Machinery and Sheave Beams, Supports and Foundations
5.9.10 Guarding
5.9.11 Protection of Hoistway Openings
5.9.12 Hoistway-Door Locking Devices and Electric Contacts, and Hoistway Access Switches
5.9.13 Power Operation of Hoistway Doors and Car Doors
5.9.14 Car Enclosures, Car Doors and Gates, and Car Illumination
5.9.14.1 Car Top Access Panel.
260 5.9.14.2
5.9.14.3 Car Top Protection.
5.9.14.4
5.9.14.5
5.9.15 Car Frames and Platforms
5.9.15.1 Corrosion Protection.
5.9.16 Capacity and Loading
5.9.17 Car and Counterweight Safeties
5.9.17.1
5.9.17.2
5.9.17.3
5.9.17.4
5.9.17.5
5.9.17.6
5.9.18 Speed Governors
5.9.18.1 Governor Rope Tension Sheaves.
261 5.9.19 Ascending Car Overspeed and Unintended Car Movement Protection
5.9.20 Suspension Ropes and Their Connections
5.9.21 Counterweights
5.9.22 Buffers and Bumpers
5.9.23 Car and Counterweight Guide Rails, Guide-Rail Supports, and Fastenings
5.9.24 Driving Machines and Sheaves
5.9.25 Terminal Stopping Devices
5.9.26 Operating Devices and Control Equipment
5.9.27 Emergency Operations and Signaling Devices
5.9.28 Layout Drawings
5.9.29 Identification
5.9.30 Welding
SECTION 5.10 ELEVATORS USED FOR CONSTRUCTION
5.10.1 Electric Elevators Used for Construction
5.10.1.1 Construction of Hoistways and Hoistway Enclosures
262 5.10.1.2 Pits
5.10.1.3 Location and Guarding of Counterweights
5.10.1.4 Vertical Car Clearances and Runby.
5.10.1.5 Horizontal Car and Counterweight Clearances
5.10.1.6 Protection of Spaces Below Hoistways.
263 5.10.1.7 Machine Rooms and Machinery Spaces
5.10.1.8 Machinery and Sheave Beams, Supports, and Foundations.
5.10.1.9 Hoistway Doors and Gates
264 5.10.1.10 Car Enclosure, Car Doors and Gates, and Car Illumination
265 5.10.1.11 Car Frames and Platforms.
5.10.1.12 Rated Load and Speed
5.10.1.13 Car and Counterweight Safeties.
5.10.1.14 Governors.
5.10.1.15 Ascending Car Overspeed and Unintended Car Movement Protection.
5.10.1.16 Suspension Means.
266 5.10.1.17 Counterweights.
5.10.1.18 Car and Counterweight Buffers.
5.10.1.19 Car Guide Rails and Guide-Rail Fastenings.
5.10.1.20 Driving Machines and Sheaves
5.10.1.21 Operating Devices and Control Equipment
5.10.1.22 Floor Numbers.
5.10.1.23 Capacity and Data Plates or Signs
267 5.10.2 Hydraulic Elevators Used for Construction
5.10.2.1 Construction of Hoistways and Hoistway Enclosures.
5.10.2.2 Machinery Rooms and Machinery Spaces.
5.10.2.3 Protection of Spaces Below Hoistway.
5.10.2.4 Vertical Clearances and Runby for Cars and Counterweights.
5.10.2.5 Emergency Doors.
5.10.2.6 Mechanical Equipment.
5.10.2.7 Hydraulic Jack.
5.10.2.8 Valves, Pressure Piping, and Fittings.
5.10.2.9 Counterweight Ropes, Rope Connections, and Sheaves.
5.10.2.10 Tanks.
5.10.2.11 Terminal Stopping Devices.
5.10.2.12 Operating Devices and Control Equipment.
269 PART 6 ESCALATORS AND MOVING WALKS
SCOPE
SECTION 6.1 ESCALATORS
6.1.1 Protection of Floor Openings
6.1.1.1 Protection Required.
6.1.2 Protection of Trusses and Machine Spaces Against Fire
6.1.2.1 Protection Required.
6.1.3 Construction Requirements
6.1.3.1 Angle of Inclination.
6.1.3.2 Geometry
6.1.3.3 Balustrades.
271 FIG. 6.1.3.3.8 DIMENSIONS
272 6.1.3.4 Handrails
6.1.3.5 Steps
273 6.1.3.6 Entrance and Egress Ends
6.1.3.7 Trusses or Girders.
274 6.1.3.8 Step Wheel Tracks.
6.1.3.9 Rated Load
275 6.1.3.10 Design Factors of Safety.
6.1.3.11 Chains.
6.1.3.12 Headroom.
6.1.3.13 Welding.
6.1.3.14 Non-Escalator Related Equipment.
6.1.4 Rated Speed
6.1.4.1 Limits of Speed.
6.1.5 Driving Machine, Motor, and Brake
6.1.5.1 Connection Between Driving Machine and Main Drive Shaft.
6.1.5.2 Driving Motor.
6.1.5.3 Brakes
276 6.1.6 Operating and Safety Devices
6.1.6.1 General.
6.1.6.2 Starting and Inspection Control Switches
277 6.1.6.3 Electrical Protective Devices.
279 6.1.6.4 Handrail Speed Monitoring Device.
6.1.6.5 Missing Step Device.
6.1.6.6 Tandem Operation.
6.1.6.7 Step Demarcation Lights.
6.1.6.8 Escalator Smoke Detectors.
6.1.6.9 Signs
280 6.1.6.10 Control and Operating Circuits.
FIG. 6.1.6.9.1 CAUTION SIGN
281 6.1.6.11 Electrically Powered Safety Devices.
6.1.6.12 Installation of Capacitors or Other Devices to Make Electrical Protective Devices Ineffective.
6.1.6.13 Completion or Maintenance of Circuit.
6.1.6.14 Escalator Manual Reset.
6.1.6.15 Contactors and Relays for Use in Critical Operating Circuits.
6.1.7 Lighting, Access, and Electrical Work
6.1.7.1 Lighting of Machine Room and Truss Interior
282 6.1.7.2 Lighting of Escalator.
6.1.7.3 Access to Interior.
6.1.7.4 Electrical Equipment and Wiring
6.1.8 Outdoor Escalators
6.1.8.1 Weatherproofing.
6.1.8.2 Precipitation.
6.1.8.3 Slip Resistance.
283 SECTION 6.2 MOVING WALKS
6.2.1 Protection of Floor Openings
6.2.1.1 Protection Required.
6.2.2 Protection of Supports and Machine Spaces Against Fire
6.2.2.1 Protection Required.
6.2.3 Construction Requirements
6.2.3.1 Angle of Inclination.
6.2.3.2 Geometry
6.2.3.3 Balustrades.
284 6.2.3.4 Handrails
285 6.2.3.5 Pallet-Type Treadway
6.2.3.6 Belt-Type Treadway.
6.2.3.7 Width.
6.2.3.8 Entrance and Egress Ends
286 6.2.3.9 Supporting Structure
6.2.3.10 Rated Load
287 6.2.3.11 Design Factors of Safety.
288 6.2.3.12 Chains.
6.2.3.13 Chain Drives.
6.2.3.14 V-Belt Drives.
6.2.3.15 Headroom.
6.2.3.16 Welding.
6.2.3.17 Nonmoving Walk Related Equipment.
6.2.4 Rated Speed
6.2.5 Driving Machine, Motor, and Brake
6.2.5.1 Connection Between Driving Machine and Main Drive Shaft.
6.2.5.2 Driving Motor.
6.2.5.3 Brakes
TABLE 6.2.4
TREADWAY SPEED
289 6.2.6 Operating and Safety Devices
6.2.6.1 General
6.2.6.2 Starting and Inspection Control Switches
290 6.2.6.3 Electrical Protective Devices.
292 6.2.6.4 Handrail Speed Monitoring Device.
6.2.6.5 Missing Pallet Device.
6.2.6.6 Tandem Operation.
6.2.6.7 Moving Walk Smoke Detectors.
6.2.6.8 Signs
6.2.6.9 Control and Operating Circuits.
293 6.2.6.10 Electrically Powered Safety Devices.
6.2.6.11 Installation of Capacitors or Other Devices to Make Electrical Protective Devices Ineffective.
6.2.6.12 Completion or Maintenance of Circuit.
6.2.6.13 Moving Walk Manual Reset.
6.2.6.14 Contactors and Relays for Use in Critical Operating Circuits.
6.2.7 Lighting, Access, and Electrical Work
6.2.7.1 Lighting of Machine Room and Truss Interior
294 6.2.7.2 Lighting of Treadway.
6.2.7.3 Access to Interior.
6.2.7.4 Electrical Equipment and Wiring
6.2.8 Outdoor Moving Walks
6.2.8.1 Weatherproofing.
6.2.8.2 Precipitation.
6.2.8.3 Slip Resistance.
295 PART 7 DUMBWAITERS AND MATERIAL LIFTS
SCOPE
SECTION 7.1 POWER AND HAND DUMBWAITERS WITHOUT AUTOMATIC TRANSFER DEVICES
7.1.1 Construction of Hoistways and Hoistway Enclosures
7.1.1.1
7.1.1.2
7.1.1.3
7.1.1.4
7.1.1.5
7.1.2 Pits
7.1.2.1
7.1.2.2
7.1.2.3
7.1.2.4
7.1.2.5
7.1.2.6
7.1.3 Location and Guarding of Counterweights
296 7.1.4 Vertical Car Clearances and Runbys for Cars and Counterweights
7.1.4.1
7.1.4.2
7.1.5 Horizontal Car and Counterweight Clearances
7.1.5.1
7.1.5.2
7.1.5.3
7.1.5.4
7.1.6 Protection of Spaces Below Hoistway
7.1.6.1
7.1.6.2
7.1.6.3
7.1.7 Machine Rooms and Machinery Spaces
7.1.7.1
7.1.7.2
7.1.7.3
7.1.7.4
7.1.7.5
297 7.1.7.6
7.1.7.7
7.1.7.8
7.1.7.9
7.1.7.10
7.1.7.11
7.1.8 Electrical Equipment, Wiring, Pipes, Ducts, and HVAC in Hoistways and Machine Rooms
7.1.8.1
7.1.8.2
7.1.9 Machinery and Sheave Beams, Supports, and Foundations
7.1.9.1
7.1.9.2
7.1.10 Guarding of Equipment
7.1.11 Protection of Hoistway Openings
7.1.11.1 Entrances.
7.1.11.2 Types of Entrances.
298 7.1.11.3 Closing of Hoistway Doors.
7.1.11.4 Location of Hoistway-Door Openings.
7.1.11.5 Hoistway-Access Doors.
7.1.11.6 Projection of Equipment Beyond Landing Sills.
7.1.11.7 Opening of Hoistway Doors From Hoistway Side.
7.1.11.8 Hoistway-Door Vision Panels.
7.1.11.9 Hoistway-Door Locking Devices and Power Operation.
7.1.11.10 Landings and Landing Sills.
7.1.11.11 Horizontal Slide-Type Entrances.
7.1.11.12 Vertical Slide-Type Entrances.
299 7.1.11.13 Swing-Type Entrances.
7.1.11.14 Marking.
7.1.12 Hoistway-Door Locking Devices, Access Switches, and Unlocking Devices
7.1.12.1 Hoistway-Door Locking Devices For Power Dumbwaiters.
300 7.1.12.2 Hoistway-Door Locking Devices for Hand Dumbwaiters.
7.1.12.3 Hoistway-Door Unlocking Devices.
7.1.12.4 Hoistway Access Switches.
7.1.13 Power Operation of Hoistway Doors and Car Doors or Gates
7.1.13.1
7.1.13.2
7.1.13.3
7.1.13.4
7.1.13.5
7.1.13.6
7.1.13.7
7.1.13.8
7.1.13.9
7.1.14 Identification
SECTION 7.2 ELECTRIC AND HAND DUMBWAITERS WITHOUT AUTOMATIC TRANSFER DEVICES
7.2.1 Car Enclosures, Car Doors and Gates, and Car Illumination
301 7.2.1.1 Car Enclosures
7.2.1.2 Car Doors and Gates.
302 7.2.1.3 Lighting Fixtures.
7.2.2 Car Frames and Platforms
7.2.2.1
7.2.2.2
7.2.2.3
7.2.2.4
7.2.2.5
7.2.2.6
7.2.2.7
7.2.2.8
7.2.2.9
7.2.2.10
7.2.2.11
7.2.2.12
7.2.2.13
7.2.2.14
7.2.3 Capacity and Loading
7.2.3.1 Rated Load and Platform Area.
7.2.3.2 Capacity Plate.
7.2.3.3 Data Plate
303 7.2.3.4 ƅĀ No RidersĀ£ Signs.
7.2.4 Car and Counterweight Safeties
7.2.4.1 Where Required and Located.
7.2.4.2 Function and Stopping Distances.
7.2.4.3 Reserved for Future Use.
7.2.4.4 Governor-Actuated Safeties and Car-Safety-Mechanism Switches.
7.2.4.5 Limits of Use of Various Types of Safeties.
7.2.4.6 Application of Safeties.
7.2.4.7 Marking Plates for Safeties.
7.2.4.8 Rail Lubricants.
7.2.5 Speed Governors
7.2.6 Suspension Means
7.2.6.1 Type of Suspension Means.
304 7.2.6.2 Rope Data.
7.2.6.3 Chain Data
7.2.6.4 Factors of Safety.
7.2.6.5 Number of Ropes or Chains Required.
7.2.6.6 Suspension Rope Equalizers.
7.2.6.7 Splicing and Replacement of Suspension Ropes.
7.2.6.8 Fastening of Suspension Means
7.2.7 Counterweights
7.2.7.1
TABLE 7.2.6.4
FACTORS OF SAFETY FOR WIRE ROPE AND CHAINS
305 7.2.7.2
7.2.7.3
7.2.7.4
7.2.8 Buffers and Bumpers
7.2.8.1 Spring Buffers.
7.2.8.2 Oil Buffers.
7.2.9 Car and Counterweight Guide Rails, Guide-Rail Supports and Fastenings
7.2.9.1 Guide-Rail Section.
7.2.10 Driving Machines and Sheaves
7.2.10.1 Power Dumbwaiters.
7.2.10.2 Hand Dumbwaiters
TABLE 7.2.8.1
MINIMUM SPRING BUFFER STROKES
TABLE 7.2.8.2
MINIMUM OIL BUFFER STROKES
306 7.2.10.3 Types of Driving Machines.
7.2.10.4 Belt Drive Machines.
7.2.11 Terminal Stopping Devices
7.2.11.1
7.2.11.2
7.2.11.3
7.2.11.4
7.2.12 Operating Devices and Control Equipment
7.2.12.1
7.2.12.2
7.2.12.3
7.2.12.4
7.2.12.5
7.2.12.6
7.2.12.7
7.2.12.8
7.2.12.9
7.2.12.10
7.2.12.11
7.2.12.12
7.2.12.13
7.2.12.14
7.2.12.15
307 7.2.12.16
7.2.12.17
7.2.12.18
7.2.12.19
7.2.12.20
7.2.12.21
7.2.12.22
7.2.12.23
7.2.12.24
7.2.12.25
7.2.12.26
7.2.12.27
7.2.12.28
7.2.12.29
7.2.12.30
7.2.12.31
7.2.12.32
7.2.12.33
7.2.12.34
7.2.12.35
7.2.12.36
7.2.12.37
7.2.13 Layout Data
7.2.14 Welding for Dumbwaiters
SECTION 7.3 HYDRAULIC DUMBWAITERS WITHOUT AUTOMATIC TRANSFER DEVICES
7.3.1 Car Enclosures, Car Doors and Gates and Car Illumination
7.3.2 Car Frames and Platforms
308 7.3.3 Capacity and Loading
7.3.4 Car and Counterweight Safeties
7.3.4.1 Car Safeties.
7.3.4.2 Counterweight Safeties.
7.3.5 Driving Machines, Valves, Supply Piping, Fittings, and Tanks
7.3.6 Rope, Rope Connections, and Sheaves
7.3.6.1 Ropes and Rope Connections.
7.3.6.2 Sheaves.
7.3.6.3 Welding.
7.3.7 Counterweights
7.3.8 Buffers and Bumpers
7.3.8.1 Car Buffers or Bumpers.
7.3.8.2 Counterweight Buffers.
7.3.9 Guide Rails, Guide-Rail Supports, and Fastenings
7.3.10 Terminal Stopping Devices
7.3.11 Operating Devices and Control Equipment
7.3.11.1 Types of Operating Devices.
7.3.11.2 Top-of-Car Operating Devices.
7.3.11.3 Anti-Creep Leveling Devices.
309 7.3.11.4 Electrical Protective Devices.
7.3.11.5 Electrical Equipment and Wiring
7.3.11.6 Installation of Capacitors or Devices to Make Electrical Protective Devices Inoperative.
7.3.11.7 Control and Operating Circuits.
7.3.11.8 Recycling Operation for Multiple or Telescopic Plungers.
7.3.11.9 Pressure Switch.
7.3.12 Layout Data
7.3.12.1
7.3.12.2
7.3.12.3
SECTION 7.4 MATERIAL LIFTS WITHOUT AUTOMATIC TRANSFER DEVICES
7.4.1 General Requirement
7.4.2 Classification
7.4.3 Construction of Hoistways and Hoistway Enclosures
310 7.4.4 Pits
7.4.5 Location and Guarding of Counterweights.
7.4.6 Vertical Clearances and Runbys for Cars and Counterweights
7.4.6.1
TABLE 7.4.3
TYPE B MATERIAL LIFTS
311 7.4.6.2
7.4.7 Horizontal Car and Counterweight Clearances
7.4.7.1
7.4.7.2
312 7.4.7.3
7.4.7.4 Beveling and Clearance Requirements for Type B Material Lifts
7.4.8 Protection of Spaces Below Hoistways
7.4.9 Machine Rooms and Machinery Spaces
7.4.10 Equipment in Hoistways and Machine Rooms
7.4.10.1
7.4.10.2
7.4.11 Machinery and Sheave Beams, Supports, and Foundations
7.4.12 Guarding
7.4.13 Protection of Hoistway Landing Openings
7.4.13.1
7.4.13.2
313 7.4.14 Hoistway Door Locking Devices and Electric Contacts, and Hoistway Access Switches
7.4.14.1
7.4.14.2
7.4.14.3
7.4.14.4
7.4.14.5
7.4.15 Power Operation of Hoistway Doors and Car Doors and Gates
7.4.15.1
7.4.15.2
7.4.15.3
7.4.15.4
7.4.15.5
7.4.15.6
7.4.16 Identification of Equipment
SECTION 7.5 ELECTRIC MATERIAL LIFTS WITHOUT AUTOMATIC TRANSFER DEVICES
314 7.5.1 Car Enclosures, Car Doors and Gates, and Car Illumination
7.5.1.1 Car Enclosure
7.5.1.2 Car Doors and Gates
315 7.5.1.3 Car Illumination and Lighting Fixtures.
7.5.2 Car Frames and Platforms
7.5.2.1
7.5.2.2
7.5.2.3
7.5.2.4
7.5.2.5
7.5.2.6
7.5.2.7
7.5.3 Capacity and Loading
7.5.3.1
7.5.3.2
7.5.3.3
7.5.3.4
7.5.4 Car and Counterweight Safeties
7.5.4.1
316 7.5.4.2
7.5.4.3
7.5.4.4
7.5.5 Speed Governors
7.5.5.1
7.5.5.2
7.5.5.3
7.5.6 Suspension Ropes and Their Connections
7.5.6.1
7.5.6.2 Chain Data
7.5.6.3
7.5.6.4
7.5.6.5
7.5.6.6
317 7.5.7 Counterweights
7.5.8 Buffers and Bumpers
7.5.8.1
7.5.8.2
7.5.8.3
7.5.8.4
7.5.8.5
7.5.9 Car and Counterweight Guide Rails, Guide-Rail Supports and Fastenings
7.5.9.1 Use of Common Guide Rails.
7.5.9.2 Guide-Rail Sections.
7.5.10 Driving Machine and Sheaves
7.5.11 Terminal Stopping Devices
7.5.11.1
318 7.5.11.2
7.5.12 Operating Devices and Control Equipment
7.5.12.1
319 7.5.12.2
320 7.5.13 Layout Data
7.5.14 Welding
SECTION 7.6 HYDRAULIC MATERIAL LIFTS WITHOUT AUTOMATIC TRANSFER DEVICES
7.6.1 Hoistways, Hoistway Enclosures, and Related Construction
7.6.2 Mechanical Equipment
7.6.3 Hydraulic Driving Machines
7.6.3.1
7.6.4 Valves, Pressure Pipings, and Fittings
321 7.6.4.1
7.6.4.2
7.6.5 Counterweight Ropes, Rope Connections, and Sheaves
7.6.5.1
7.6.5.2
7.6.6 Hydraulic Machines and Tanks
7.6.7 Terminal Stopping Device
7.6.8 Operating Devices and Control Equipment
7.6.9 Layout Data
SECTION 7.7 AUTOMATIC TRANSFER DEVICES
7.7.1 General
7.7.2 Clearances
7.7.3 Guarding
7.7.4 Floor Level
322 SECTION 7.8 POWER DUMBWAITERS WITH AUTOMATIC TRANSFER DEVICES
7.8.1 Requirements
7.8.1.1
7.8.1.2
7.8.1.3
7.8.1.4
7.8.2 Safety Devices
7.8.3 Emergency Stop Switch
7.8.4 Structural Capacity Load
SECTION 7.9 ELECTRIC MATERIAL LIFTS WITH AUTOMATIC TRANSFER DEVICES
7.9.1 Hoistways, Hoistway Enclosures, and Related Construction
7.9.1.1
7.9.1.2
7.9.1.3
7.9.1.4
323 7.9.1.5
7.9.1.6
7.9.1.7
7.9.1.8
7.9.1.9
7.9.1.10
7.9.2 Machinery and Equipment
7.9.2.1
7.9.2.2
7.9.2.3
7.9.2.4
7.9.2.5
7.9.2.6
7.9.2.7
7.9.2.8
7.9.2.9
7.9.2.10
7.9.2.11
7.9.2.12
324 7.9.2.13
7.9.2.14
7.9.2.15
7.9.2.16
7.9.2.17
7.9.2.18
7.9.2.19
7.9.2.20
SECTION 7.10 HYDRAULIC MATERIAL LIFTS WITH AUTOMATIC TRANSFER DEVICES
SECTION 7.11 MATERIAL LIFTS WITH OBSCURED TRANSFER DEVICES
325 PART 8 GENERAL REQUIREMENTS
SCOPE
SECTION 8.1 SECURITY
8.1.1 General
8.1.2 Group 1: Restricted
8.1.3 Group 2: Authorized Personnel
8.1.4 Group 3: Emergency Operation
8.1.5 Group 4: Other
SECTION 8.2 DESIGN DATA AND FORMULAS
326 8.2.1 Minimum Rated Load for Passenger Elevators
8.2.1.1
8.2.1.2
8.2.2 Electric Elevator Car Frame and Platform Stresses and Deflections
8.2.2.1 General Requirements.
FIG. 8.2.1.2-1 MINIMUM RATED LOAD FOR PASSENGER ELEVATORS
327 FIG. 8.2.1.2-2 MINIMUM RATED LOAD FOR PASSENGER ELEVATORS
328 8.2.2.2 Car Frame Crosshead.
8.2.2.3 Car Frame Plank (Normal).
8.2.2.4 Car Frame Plank (Buffer Engagement).
8.2.2.5 Car Frame Uprights (Stiles).
329 8.2.2.6 Freight Elevator Platform.
FIG. 8.2.2.5.1 TURNING MOMENT BASED ON CLASS OF LOADING
330 8.2.2.7 Hoisting Rope Hitch Plates and Shapes.
8.2.3 Impact on Buffer Supports
8.2.3.1 Buffer Reaction and Impact for Oil Buffer Supports.
8.2.3.2 Buffer Reaction and Impact for Spring Buffer Supports.
8.2.4 Gravity Stopping Distances
331 8.2.5 Governor Tripping Speeds
8.2.6 Stopping Distances for Car and Counterweight Safeties
8.2.7 Factors of Safety for Suspension Wire Ropes for Power Elevators
8.2.8 Hydraulic Jack and Piping
8.2.8.1 Plunger Design.
332 FIG. 8.2.4 GRAVITY STOPPING DISTANCES
333 FIG. 8.2.5-1 MAXIMUM GOVERNOR TRIPPING SPEEDS
334 FIG. 8.2.5-2 MAXIMUM GOVERNOR TRIPPING SPEEDS
335 FIG. 8.2.6-1 STOPPING DISTANCES FOR TYPE B CAR AND COUNTERWEIGHT SAFETIES
336 8.2.8.2 Cylinder Design.
FIG. 8.2.6-2 STOPPING DISTANCES FOR TYPE B CAR AND COUNTERWEIGHT SAFETIES
337 FIG. 8.2.6-3 STOPPING DISTANCES FOR TYPE B CAR AND COUNTERWEIGHT SAFETIES
338 FIG. 8.2.7 MINIMUM FACTORS OF SAFETY OF SUSPENSION WIRE ROPES OF POWER PASSENGER AND FREIGHT ELEVATORS
339 8.2.8.3 Cylinder and Plunger Heads.
FIG. 8.2.8.1.1-1 ALLOWABLE GROSS LOADSƋ
340 FIG. 8.2.8.1.1-2 ALLOWABLE GROSS LOADS
341 8.2.8.4 Wall Thickness of Pressure Piping.
8.2.8.5 Factor of Safety
8.2.9 Hydraulic Elevator Car Frame and Platform Stresses and Deflections
8.2.9.1 General Requirements.
343 FIG. 8.2.9.1.3 LOAD DISTRIBUTION
344 8.2.10 Minimum Oil Buffer Strokes: Inclined Elevators
8.2.11 Stopping Distances for Car and Counterweight Safeties for Inclined Elevators
8.2.12 Material Lifts With Automatic Transfer Devices, Design Data, and Formulas
SECTION 8.3 ENGINEERING TESTS, TYPE TESTS, AND CERTIFICATION
345 8.3.1 General Requirements for Tests and Certification
8.3.1.1 General
8.3.1.2 Application for Certification
8.3.1.3 Certification and Test Records
8.3.1.4 Changes to Listed/Certified Com-ponents or Equipment
346 8.3.1.5 Testing Instruments.
8.3.2 Type Tests of Car and Counterweight Oil Buffers
8.3.2.1 Application for Certification
8.3.2.2 Test Sample.
8.3.2.3 Testing Equipment.
8.3.2.4 Installation of Buffer and Preparations for Tests
347 8.3.2.5 Buffer Tests.
348 8.3.2.6 Certification
8.3.3 Type Tests of Interlocks, Combination Mechanical Locks and Electric Contacts, and Door or Gate Electric Contacts
8.3.3.1 General.
8.3.3.2 Examination Before Test.
349 8.3.3.3 General Requirements
8.3.3.4 Required Tests and Procedure.
351 8.3.4 Entrance Fire Type Tests
8.3.4.1 Test of Entrance Assemblies, Horizontally Sliding and Swinging Types and Vertically Sliding Types
8.3.5 Type Tests for Hydraulic Control Valves
8.3.5.1 Application for Certification.
8.3.5.2 Test Sample.
8.3.5.3 Test Procedure
352 8.3.6 Escalator Brake Type Test
8.3.6.1 General.
8.3.6.2 Measuring the Stopping Distances.
8.3.6.3 Location of Tests.
8.3.6.4 Extension of Type Test.
8.3.7 Vertical Burn Engineering Test
8.3.7.1 Conditioning.
8.3.7.2 Specimen Configuration.
8.3.7.3 Apparatus.
8.3.7.4 Test.
8.3.7.5 Burn Length.
353 8.3.7.6 Acceptance Criteria
8.3.8 Test Method for Evaluating Room Fire Growth Contribution of Textile Wall Covering
8.3.9 Engineering Tests for Hydraulic Overspeed Valves
8.3.9.1 General.
8.3.9.2 Test Samples.
8.3.9.3 Test Procedure
8.3.10 Engineering Tests Āµ Safety Nut and Speed Limiting Devices of Screw-Column Elevators
8.3.10.1 General.
8.3.10.2 Test of Safety Nut.
8.3.10.3 Test of Speed Limiting Device.
354 8.3.11 Step and Pallet Fatigue Engineering Test
8.3.11.1
8.3.11.2
8.3.11.3
8.3.11.4
8.3.11.5
8.3.11.6
SECTION 8.4 ELEVATOR SAFETY REQUIREMENTS FOR SEISMIC RISK ZONE 2 OR GREATER
8.4.1 Horizontal Car and Counterweight Clearances
8.4.1.1 Between Car and Counterweight and Counterweight Screen.
355 8.4.2 Machinery and Sheave Beams, Supports, and Foundations
8.4.2.1 Beams and Supports.
8.4.2.2 Overhead Beams and Floors.
8.4.2.3 Fastenings and Stresses
8.4.3 Guarding of Equipment
8.4.3.1 Rope Retainers
8.4.3.2 Guarding of Snag Points.
FIG. 8.4.3.1.3 ARC OF CONTACT
356 8.4.4 Car Enclosures, Car Doors and Gates, and Car Illumination
8.4.4.1 Top Emergency Exits
8.4.5 Car Frames and Platforms
8.4.5.1 Guiding Members and Position Restraints.
8.4.5.2 Design of Car Frames, Guiding Members, and Position Restraints
8.4.6 Car and Counterweight Safeties
8.4.6.1 Compensating Rope Sheave Assembly.
8.4.7 Counterweights
8.4.7.1 Design
357 8.4.7.2 Guiding Members and Position Restraints
8.4.8 Car and Counterweight Guide Rail Systems
8.4.8.1 General.
8.4.8.2 Seismic Load Application
358 FIG 8.4.8.2-1 12 kg/m (8 lb/ft) GUIDE RAIL BRACKET SPACING
359 FIG 8.4.8.2-2 16.5 kg/m (11 lb/ft) GUIDE RAIL BRACKET SPACING
360 FIG 8.4.8.2-3 18 kg/m (12 lb/ft) GUIDE RAIL BRACKET SPACING
361 FIG. 8.4.8.2-4 22.5 kg/m (15 lb/ft) GUIDE RAIL BRACKET SPACING
362 FIG 8.4.8.2-5 27.5 kg/m (18.5 lb/ft) GUIDE RAIL BRACKET SPACING
363 FIG. 8.4.8.2-6 33.5 kg/m (22.5 lb/ft) GUIDE RAIL BRACKET SPACING
364 FIG. 8.4.8.2-7 44.5 kg/m (30 lb/ft) GUIDE RAIL BRACKET SPACING
365 FIG. 8.4.8.2-8 CAR AND COUNTERWEIGHT LOAD FACTOR
366 8.4.8.3 Guide Rail Stress.
8.4.8.4 Brackets, Fastenings, and Supports.
8.4.8.5 Type and Strength of Rail Joints.
8.4.8.6 Design and Construction Rail Joints
8.4.8.7 Design and Strength of Brackets and Supports.
8.4.8.8 Type of Fastenings.
8.4.8.9 Information on Elevator Layouts.
367 TABLE 8.4.8.7 STRESSES AND DEFLECTIONS OF GUIDE RAIL BRACKETS AND SUPPPORTS
368 8.4.9 Driving Machines and Sheaves
8.4.9.1 Seismic Requirements for Driving Machine and Sheaves.
FIG. 8.4.8.9 GUIDE RAIL AXES
369 8.4.10 Emergency Operation and Signaling Devices
8.4.10.1 Operation of Elevators Under Earthquake Emergency Conditions.
370 FIG. 8.4.10.1.1 EARTHQUAKE ELEVATOR EQUIPMENT REQUIREMENTS DIAGRAMMATIC REPRESENTATION
371 FIG. 8.4.10.1.3 EARTHQUAKE EMERGENCY OPERATION DIAGRAMMATIC REPRESENTATION
372 8.4.11 Hydraulic Elevators
8.4.11.1 Machinery Rooms and Machinery Spaces.
8.4.11.2 Overspeed Valve.
8.4.11.3 Pipe Supports.
8.4.11.4 Counterweights.
8.4.11.5 Guide Rails, Guide Rail Supports, and Fastenings.
TABLE 8.4.11.3
PIPE SUPPORT SPACING
373 8.4.11.6 Support of Tanks.
8.4.11.7 Information on Elevator Layouts.
374 8.4.12 Design Data and Formulas for Elevators
8.4.12.1 Maximum Weight Per Pair of Guide Rails.
375 8.4.12.2 Required Moment of Inertia of Guide Rails.
376 8.4.13 Ground Motion Parameters
8.4.13.1
TABLE 8.4.12.2
MAXIMUM ALLOWABLE DEFLECTION
377 8.4.13.2
SECTION 8.5 ESCALATOR AND MOVING WALK SAFETY REQUIREMENT FOR SEISMIC RISK ZONE 2 OR GREATER
8.5.1 Balustrade Construction
8.5.2 Truss Members
8.5.2.1
8.5.2.2
378 8.5.2.3 Truss Calculations.
8.5.3 Supporting Connections Between the Truss and the Building
8.5.3.1
8.5.3.2
8.5.4 Earthquake Protective Devices
SECTION 8.6 MAINTENANCE, REPAIR, AND REPLACEMENT
8.6.1 General Requirements
8.6.1.1 Maintenance, Repair, and Replace-ment
379 8.6.1.2 General Maintenance Requirements
8.6.1.3 Maintenance Personnel.
8.6.1.4 Maintenance Records
8.6.1.5 Code Data Plate
8.6.1.6 General Maintenance Methods and Procedures
380 8.6.2 Repairs
8.6.2.1 Repair Parts.
8.6.2.2 Welding and Design.
8.6.2.3 Repair of Speed Governors.
8.6.2.4 Repair of Releasing Carrier.
8.6.2.5 Repair of Ropes.
8.6.3 Replacements
8.6.3.1 Replacement Parts.
8.6.3.2 Replacement of a Single Suspension Rope.
381 8.6.3.3 Replacement of Ropes Other than Governor Ropes
8.6.3.4 Replacement of Governor or Safety Rope
382 8.6.3.5 Belts and Chains.
8.6.3.6 Replacement of Speed Governor.
8.6.3.7 Listed/Certified Devices
8.6.3.8 Replacement of Door Reopening Device.
8.6.3.9 Replacement of Releasing Carrier.
8.6.3.10 Replacement of Cylinder.
8.6.3.11 Replacement of Valves and Piping.
8.6.4 Maintenance of Electric Elevators
8.6.4.1 Suspension and Compensating Wire Ropes
8.6.4.2 Governor Wire Ropes
8.6.4.3 Lubrication of Guide Rails
383 8.6.4.4 Oil Buffers
8.6.4.5 Safety Mechanisms
8.6.4.6 Brakes
8.6.4.7 Cleaning of Hoistways and Pits
8.6.4.8 Machine Rooms and Machinery Spaces
384 8.6.4.9 Cleaning of Top of Cars.
8.6.4.10 Refastening or Resocketing of Car-Hoisting Ropes on Winding-Drum Machines
8.6.4.11 Runby
8.6.4.12 Governors
8.6.4.13 Door Systems
385 8.6.4.14 Hoistway Access Switches.
8.6.4.15 Car Emergency System.
8.6.4.16 Stopping Accuracy.
8.6.4.17 Ascending Car Overspeed and Unintended Car Movement Protection.
8.6.5 Maintenance of Hydraulic Elevators
8.6.5.1 Pressure Tanks
8.6.5.2 Piston Rods.
8.6.5.3 Water-Hydraulic Plungers.
8.6.5.4 Tank Levels.
8.6.5.5 Gland Packings and Seals
8.6.5.6 Flexible Hoses and Fittings.
8.6.5.7 Record of Oil Usage.
8.6.5.8 Safety Bulkhead.
386 8.6.5.9 Relief-Valve Setting.
8.6.5.10 Runby and Clearances After Reroping or Shortening.
8.6.5.11 Cylinder Corrosion Protection and Monitoring
8.6.6 Maintenance of Elevators With Other Types of Driving Machines
8.6.6.1 Rack and Pinion Elevators.
8.6.6.2 Screw-Column Elevators.
8.6.6.3 Hand Elevators.
8.6.7 Maintenance of Special Application Elevators
8.6.7.1 Inclined Elevators.
8.6.7.2 Limited-Use/Limited-Application Elevators.
8.6.7.3 Private Residence Elevators.
8.6.7.4 Private Residence Inclined Elevators.
8.6.7.5 Power Sidewalk Elevators.
8.6.7.6 Rooftop Elevators.
8.6.7.7 Special Purpose Personnel Elevators.
8.6.7.8 Shipboard Elevators.
8.6.7.9 Mine Elevators
387 8.6.7.10 Elevators Used for Construction.
8.6.8 Maintenance of Escalator and Moving Walks
8.6.8.1 Handrails.
8.6.8.2 Step to Skirt Clearance.
8.6.8.3 Step/Skirt Performance Index
388 8.6.8.4 Combplates
8.6.8.5 Escalator Skirt Panels.
8.6.8.6 Steps or Pallets
8.6.8.7 Rollers, Tracks, and Chains.
8.6.8.8 Belt-Type Treadway.
8.6.8.9 Signs.
8.6.8.10 Guards at Ceiling Intersections.
8.6.8.11 Anti-Slide Devices.
8.6.8.12 Handrail Guards.
8.6.8.13 Brakes.
8.6.8.14 Cleaning.
8.6.8.15 Entrance and Egress Ends.
8.6.9 Maintenance of Dumbwaiters and Material Lifts
8.6.9.1 Dumbwaiters Without Automatic Transfer Devices.
389 8.6.9.2 Material Lifts and Dumbwaiters With Automatic Transfer Devices.
8.6.10 Special Provisions
8.6.10.1 Firefighters’ Emergency Operation.
8.6.10.2 Access Keys.
8.6.10.3 Cleaning Inside Hoistway
8.6.10.4 Emergency Evacuation Procedures for Elevators
8.6.10.5 Escalator or Moving Walk Startup.
390 SECTION 8.7 ALTERATIONS
8.7.1 General Requirements
8.7.1.1 Applicability of Alteration Requirements.
8.7.1.2 Items Not Covered in 8.7.
8.7.1.3 Testing.
8.7.1.4 Welding.
8.7.1.5 Design.
8.7.1.6 Temporary Wiring.
8.7.1.7 Repairs and Replacements.
8.7.1.8 Code Data Plate.
8.7.2 Alterations to Electric Elevators
8.7.2.1 Hoistway Enclosures
391 8.7.2.2 Pits.
8.7.2.3 Location and Guarding of Counterweights.
8.7.2.4 Vertical Car and Counterweight Clearances and Runbys.
8.7.2.5 Horizontal Car and Counterweight Clearances.
8.7.2.6 Protection of Spaces Below Hoistways.
8.7.2.7 Machine Rooms and Machinery Spaces
8.7.2.8 Electrical Equipment, Wiring, Pipes, and Ducts in Hoistways and Machine Rooms.
8.7.2.9 Machinery and Sheave Beams, Supports, and Foundations.
8.7.2.10 Entrances and Hoistway Openings
392 8.7.2.11 Hoistway Door-Locking Devices, Access Switches, and Parking Devices
393 8.7.2.12 Power Operation of Hoistway Doors.
8.7.2.13 Door Reopening Device.
8.7.2.14 Car Enclosures, Car Doors and Gates, and Car Illumination
394 8.7.2.15 Car Frames and Platforms
8.7.2.16 Capacity, Loading, and Classification
395 8.7.2.17 Change in Travel or Rated Speed
396 8.7.2.18 Car and Counterweight Safeties
8.7.2.19 Speed Governors and Governor Ropes.
8.7.2.20 Ascending Car Overspeed and Unintended Car Movement Protection.
8.7.2.21 Suspension Ropes and Their Connections
397 8.7.2.22 Counterweights
8.7.2.23 Car and Counterweight Buffers and Bumpers.
8.7.2.24 Guide Rails, Supports, and Fastenings.
8.7.2.25 Driving Machines and Sheaves
8.7.2.26 Terminal-Stopping Devices.
8.7.2.27 Operating Devices and Control Equipment
398 8.7.2.28 Emergency Operations and Signaling Devices.
399 8.7.3 Alterations to Hydraulic Elevators
8.7.3.1 Hoistway Enclosures.
8.7.3.2 Pits.
8.7.3.3 Location and Guarding of Counterweights.
8.7.3.4 Vertical Car and Counterweight Clearances and Runbys.
8.7.3.5 Horizontal Car and Counterweight Clearances.
8.7.3.6 Protection of Spaces Below Hoistways.
8.7.3.7 Machine Rooms and Machinery Spaces.
8.7.3.8 Electrical Wiring, Pipes, and Ducts in Hoistways and Machine Rooms.
8.7.3.9 Machinery and Sheave Beams, Supports and Foundations.
8.7.3.10 Hoistway Entrances and Openings.
8.7.3.11 Hoistway Door-Locking Devices.
8.7.3.12 Power Operation of Hoistway Doors.
8.7.3.13 Car Enclosures.
8.7.3.14 Car Frames and Platforms.
400 8.7.3.15 Safeties
8.7.3.16 Governors and Governor Ropes.
8.7.3.17 Change in Type of Service.
8.7.3.18 Change in Class of Loading.
8.7.3.19 Carrying of Passengers on Freight Elevators.
8.7.3.20 Increase in Rated Load.
8.7.3.21 Increase in Deadweight of Car.
8.7.3.22 Change in Travel or Rated Speed
401 8.7.3.23 Hydraulic Equipment
8.7.3.24 Valves, Pressure Piping, and Fittings.
8.7.3.25 Suspension Ropes and Their Connections
402 8.7.3.26 Counterweights.
8.7.3.27 Car Buffers and Bumpers.
8.7.3.28 Guide Rails, Supports, and Fastenings.
8.7.3.29 Tanks.
8.7.3.30 Terminal-Stopping Devices.
8.7.3.31 Operating Devices and Control Equipment
403 8.7.4 Alterations to Elevators With Other Types of Driving Machines
8.7.4.1 Rack and Pinion Elevators.
8.7.4.2 Screw-Column Elevators.
8.7.4.3 Hand Elevators
8.7.5 Alterations to Special Application Elevators
8.7.5.1 Inclined Elevators.
8.7.5.2 Limited Use/Limited Application Elevators.
8.7.5.3 Private Residence Elevators.
8.7.5.4 Private Residence Inclined Elevators.
404 8.7.5.5 Power Sidewalk Elevators
8.7.5.6 Rooftop Elevators.
8.7.5.7 Special-Purpose Personnel Elevators.
8.7.5.8 Shipboard Elevators.
8.7.5.9 Mine Elevators.
8.7.6 Alterations to Escalators and Moving Walks
8.7.6.1 Escalators
405 8.7.6.2 Moving Walks
406 8.7.7 Alterations to Dumbwaiters and Material Lifts
8.7.7.1 Dumbwaiters Without Automatic Transfer Devices
8.7.7.2 Addition of Automatic Transfer Device.
8.7.7.3 Material Lifts and Dumbwaiters With Automatic Transfer Devices
407 SECTION 8.8 WELDING
8.8.1 Qualification of Welders
8.8.2 Welding Steel
8.8.3 Welding Metals Other Than Steel
SECTION 8.9 CODE DATA PLATE
8.9.1 Required Information
8.9.2 Location
8.9.3 Material and Construction
SECTION 8.10 ACCEPTANCE INSPECTIONS AND TESTS
8.10.1 General Requirements for Acceptance Inspections and Tests
8.10.1.1 Persons Authorized to Make Acceptance Inspections and Tests
8.10.1.2 Applicability of Inspection and Test Requirements.
408 8.10.1.3 Making Safety Devices Inoperative or Ineffective.
8.10.2 Acceptance Inspection and Tests of Electric Elevators
8.10.2.1 Inspection and Tests Required.
8.10.2.2 Inspection and Test Requirements for New Installations
414 8.10.2.3 Inspection and Test Requirements for Altered Installations
415 8.10.3 Acceptance Inspection and Tests of Hydraulic Elevators
8.10.3.1 Inspection and Tests Required.
8.10.3.2 Inspection and Test Requirements for New Installations
418 8.10.3.3 Inspection and Test Requirements for Altered Installations
419 8.10.4 Acceptance Inspection and Tests of Escalators and Moving Walks
8.10.4.1 Inspection and Test Requirements for New Installations.
421 8.10.4.2 Inspection and Test Requirements for Altered Installations.
422 8.10.5 Acceptance Inspection and Tests of Other Equipment
8.10.5.1 Sidewalk Elevator.
8.10.5.2 Private Residence Elevators and Lifts.
8.10.5.3 Hand Elevators.
8.10.5.4 Dumbwaiters.
8.10.5.5 Material Lifts and Dumbwaiters with Automatic Transfer Devices.
423 8.10.5.6 Special Purpose Personnel Elevators.
8.10.5.7 Inclined Elevators.
8.10.5.8 Shipboard Elevators.
8.10.5.9 Screw Column Elevators.
8.10.5.10 Elevators Used for Construction.
8.10.5.11 Rooftop Elevators.
8.10.5.12 Rack and Pinion Elevators.
8.10.5.13 Limited-Use/Limited-Application Elevators.
SECTION 8.11 PERIODIC INSPECTIONS AND TESTS
8.11.1 General Requirements for Periodic Inspections and Tests
8.11.1.1 Persons Authorized to Make Periodic Inspections and Tests.
424 8.11.1.2 Applicability of Inspection and Test Requirements.
8.11.1.3 Periodic Inspection and Test Frequency.
8.11.1.4 Installation Placed Out of Service.
8.11.1.5 Making Safety Devices Ineffective.
8.11.1.6 Test Tags.
8.11.2 Periodic Inspection and Tests of Electric Elevators
8.11.2.1 Periodic Inspection Requirements.
426 TABLE 8.11.2.1.3(cc)(1)
WIRE SUSPENSION AND COMPENSATION ROPES
TABLE 8.11.2.1.3(cc)(3)
427 8.11.2.2 Periodic Test Requirements Āµ Category One
428 8.11.2.3 Periodic Test Requirements Āµ Category Five
429 8.11.3 Periodic Inspection and Tests of Hydraulic Elevators
8.11.3.1 Periodic Inspection Requirements.
TABLE 8.11.2.3.4
BRAKE TEST LOADS
431 8.11.3.2 Periodic Test Requirements Āµ Category One
8.11.3.3 Periodic Test Requirements Āµ Category Three
8.11.3.4 Periodic Test Requirements Āµ Category Five
432 8.11.4 Periodic Inspection and Tests of Escalators and Moving Walks
8.11.4.1 Periodic Inspection and Test Requirements.
8.11.4.2 Periodic Inspection and Test Requirements Āµ Category 1
433 FIG. 8.11.4.2.19(d)
434 8.11.5 Periodic Inspection and Tests of Other Equipment
8.11.5.1 Sidewalk Elevator.
8.11.5.2 Private Residence Elevators and Lifts.
8.11.5.3 Hand Elevators.
8.11.5.4 Dumbwaiters.
8.11.5.5 Material Lifts and Dumbwaiters With Automatic Transfer Devices.
8.11.5.6 Special Purpose Personnel Elevators.
8.11.5.7 Inclined Elevators.
8.11.5.8 Shipboard Elevators.
435 8.11.5.9 Screw Column Elevators.
8.11.5.10 Rooftop Elevators.
8.11.5.11 Rack and Pinion Elevators.
8.11.5.12 Limited-Use/Limited-Application Elevators.
8.11.5.13 Elevators Used for Construction
437 PART 9 REFERENCE CODES, STANDARDS, AND SPECIFICATIONS
438 SECTION 9.1 REFERENCE DOCUMENTS
444 SECTION 9.2 PROCUREMENT INFORMATION
447 APPENDIX A CONTROL SYSTEM
448 FIG. A1
449 APPENDIX B DOOR LANDING AND UNLOCKING ZONES
FIG. B1 UNLOCKING ZONEƋ(2.12.5)
451 APPENDIX C LOCATION OF TOP EMERGENCY EXIT
FIG. C1 PARALLELEPIPED VOLUME ORIENTATIONSƋ[2.14.1.5.1(b)(2)]
453 APPENDIX D RATED LOAD AND CAPACITY PLATES FOR PASSENGER ELEVATORS
455 APPENDIX E CSA B44 ELEVATOR REQUIREMENTS FOR PERSONS WITH PHYSICAL DISABILITIES
457 APPENDIX F ASCENDING CAR OVERSPEED AND UNINTENDED CAR MOVEMENT PROTECTION
458 TABLE F1 TRACTION ELEVATOR BRAKE TYPE, FUNCTION, AND PERFORMANCE
459 FIG. F1 ASCENDING CAR OVERSPEED PROTECTION (2.19.1)
460 FIG. F2 UNINTENDED CAR MOVEMENT PROTECTION (2.19.2)
461 APPENDIX G TOP OF CAR CLEARANCE (3.4.4)
FIG. G1 PROJECTION LOWER THAN REFUGE SPACEƋ(CAR SHOWN AT MAXIMUM UPWARD MOVEMENT)
462 FIG. G2 PROJECTION HIGHER THAN REFUGE SPACEƋ(CAR SHOWN AT MAXIMUM UPWARD MOVEMENT)
463 APPENDIX H PRIVATE RESIDENCE ELEVATOR GUARDINGƋ(5.3.1.6.2)
FIG. H1
465 APPENDIX I ESCALATOR AND MOVING WALK DIAGRAMS
FIG. I1 RELATIONSHIP OF ESCALATOR PARTS
466 FIG. I2 HANDRAIL
FIG. I3 ESCALATOR NOMENCLATURE
467 FIG. I4 SKIRT PANEL Āµ STEP NOSE (6.1.3.3.6)
FIG. I5 CEILING OR SOFFIT GUARD (6.1.3.3.7)
468 FIG. I6 ANTI-SLIDE DEVICE (6.1.3.3.8)
FIG. I7 ESCALATOR STEP TREAD
FIG. I8 CLEATED RISER (6.1.3.5.3)
469 FIG. I9 MOVING WALK GEOMETRY
470 FIG. I10 MOVING WALK TREADWAY SLOTS
FIG. I11 STOPPING DISTANCES CORRESPONDING TO A DECELERATION RATE OF 0.91 m/s s2 [6.1.5.3.1(c)]
471 APPENDIX J CSA B44 MAINTENANCE REQUIREMENTS AND INTERVALS FOR ELEVATORS, DUMBWAITERS, ESCALATORS, AND MOVING WALKS
473 APPENDIX K BEVELING AND CLEARANCE REQUIREMENTS (7.4.7.4)
FIG. K1
475 APPENDIX L INDEX OF ALTERATION REQUIREMENTS FOR ELECTRIC ELEVATORS, HYDRAULIC ELEVATORS, ESCALATORS, AND MOVING WALKS
481 APPENDIX M INERTIA APPLICATION FOR TYPE A SAFETY DEVICE LOCATION OF TEST WEIGHT [8.10.2.2.2(bb)(2)]
FIG. M1
483 APPENDIX N RECOMMENDED INSPECTION AND TESTƋINTERVALS IN MONTHS
484 TABLE N1 RECOMMENDED INSPECTION AND TEST INTERVALS IN ƅĀ MONTHSĀ£
485 APPENDIX O ELEVATOR CORRIDOR CALL STATIONƋPICTOGRAPH
FIG. O1
487 INDEX

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