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ASME A18.1 2003

ASME A18.1 2003

$98.04

ASME A18.1 Safety Standard for Platform Lifts and Stairway Chairlifts

Published By Publication Date Number of Pages
ASME 2003 71
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PDF Catalog

PDF Pages PDF Title
4 CONTENTS
FIGURES
TABLES
5 FOREWORD
6 COMMITTEE ROSTER
7 CORRESPONDENCE WITH THE A18 COMMITTEE
8 SUMMARY OF CHANGES
10 1 INTRODUCTION
1.1 Scope
1.1.1 Equipment Covered by This Standard
1.1.2 Equipment Not Covered by This Standard
1.1.3 Application
1.1.4 Effective Date
1.2 Purpose and Exceptions
1.3 Definitions
14 1.4 Reference Codes, Standards, and Specifications
2 VERTICAL PLATFORM LIFTS
2.1 Runways
2.1.1 Runway Enclosure Provided
2.1.1.1
2.1.1.2
2.1.1.3
15 1.4-1 Reference Documents
16 2.1.1.4
1.4-2 Procurement Information
17 2.1.1.5
2.1.1.6
2.1.1.7
2.1.1.8
2.1.2 Partial Runway Enclosure Provided
2.1.2.1
2.1.2.2
2.1.2.3
2.1.2.4
2.1.2.5
2.1.2.6
2.1.2.7
2.1.2.8
18 2.1.3 Runway Enclosure Not Provided
2.1.3.1
2.1.3.2
2.1.3.3
2.1.3.4
2.1.3.5
2.1.3.6
2.1.3.7
2.1.3.8
2.1.3.9
2.1.3.10
19 2.1.4 Pipes in Runway Vicinity
2.1.5 Lower Level Access Ramps and Pits
2.1.5.1
2.1.5.2
2.1.6 Electrical Equipment and Wiring
2.1.6.1
2.1.6.2
2.1.7 Structural Support
2.1.8 Headroom Clearance
2.2 Guide Rails
2.2.1 Material
2.2.2 Requirements for Steel, Where Used
2.2.2.1
2.2.2.2
2.2.2.3
2.2.3 Requirements for Metals Other Than Steel
2.2.4 Stresses and Deflections
2.2.4.1 Guide Rails
2.2.4.2 Brackets, Fastenings, and Supports
2.2.5 Guide-Rail Surfaces
2.2.6 Overall Length of Guide Rails
20 2.2.7 Design and Strength of Brackets and Supports
2.2.8 Bracket Fastenings
2.2.9 Fastening of Guide Rails to Rail Brackets
2.3 Driving Means and Sheaves
2.3.1 General Requirements
2.3.1.1
2.3.1.2
2.3.1.3
2.3.1.4
2.3.1.5
2.3.1.6
2.3.2 Hydraulic Driving Machines
2.3.3 Screw Machines
2.3.4 Friction Machines
2.3.5 Machine Framework and Base
21 2.3.6 Guiding Member Enclosures
2.3.7 Machinery Beams and Supports
2.3.7.1
2.3.7.2
2.3.7.3
2.3.7.4
2.3.8 Guarding of Driving Machines and Suspension Means.
2.3.9 Indirect-Drive Machines.
2.3.9.1 General Requirements.
2.3.9.2 Monitoring and Brake Location.
2.3.9.3 Replacement of Belts or Chains.
2.4 Driving Machine Brakes
2.4.1
2.4.2
2.4.3
2.5 Suspension and Support Means
2.5.1 General Requirements
2.5.1.1
22 2.5.1.2
2.5.1.3
2.5.1.4
2.5.2 Factors of Safety
2.5.3 Arc of Contact of Suspension Means on Sheaves and Sprockets
2.5.4 Spare Rope Turns on Winding Drums
2.5.5 Securing Suspension Ropes to Winding Drums
2.5.6 Lengthening, Splicing, Repairing, or Replacing Suspension Means
2.5.7 Fastening of Rope Suspension Means to Platform
2.5.8 Guarding
2.6 Platforms
2.6.1 Frame and Floor
2.6.2 Securing of Enclosures
2.6.3 Strength and Deflection of Enclosure Walls
2.6.4 Use of Cast Iron
2.6.5 Floor Area
2.6.6 Illumination
2.6.6.1
23 2.6.6.2
2.6.6.3
2.6.7 Protection of Platforms Against Fire
2.6.8
2.6.8.1
2.7 Capacity, Speed, and Travel
2.7.1 Limitation of Load, Speed, and Travel
2.6.7 Platform Lift Corridor Call Station Pictograph
24 2.7.2 Capacity Plates
2.7.3 Data Plates
2.7.4 Restriction Sign
2.8 Safeties and Speed Governors
2.8.1 Screw Drive Machines
2.8.1.1
2.8.1.2
2.8.1.3
2.8.2 Minimum Factors of Safety and Stresses of Safety Parts and Rope Connections
2.8.2.1
2.8.2.2
2.8.2.3
2.8.2.4
2.8.2.5
2.8.2.6
2.8.3 Material and Factor of Safety
2.8.4 Type A Instantaneous Safeties
25 2.8.5 Means of Application
2.8.6 Level of Platform Floor on Safety Application
2.8.7 Release
2.9 Terminal Stopping Devices
2.9.1
2.9.2
2.9.3
2.9.4
2.9.5
2.9.6
2.10 Operating Devices and Control Equipment
2.10.1 Operation
2.10.2 Attendant Operation
2.10.2.1
2.10.2.2
2.10.2.3
2.10.3 Control and Operating Circuit Requirements
2.10.3.1
2.10.3.2
26 2.10.3.3
2.10.4 Motor Reversal Protection
2.10.5 Phase Reversal and Failure Protection
2.10.6 Emergency Stop Switch
2.10.7 Slack-Rope and Slack-Chain Devices for Winding Drum and Roller-Chain-Type Driving Machines
2.10.8 Release and Application of Driving-Machine Brake
2.10.9 Electrical Equipment and Wiring
2.10.9.1
2.10.9.2
2.10.10 Manual Operations
2.11 Emergency Signals
2.11.1
2.11.2
2.11.3
2.12 Code Data Plate
27 3 INCLINED PLATFORM LIFTS
3.1 Runways
3.1.1 Means of Egress
3.1.2 Clearances
3.1.2.1
3.1.2.2
3.1.2.3
3.1.3 Pipes in Runway Vicinity
3.1.4 Lower Level Access Ramps and Pits
3.1.4.1
3.1.4.2
3.1.5 Structural Support
3.1.6 Electrical Equipment and Wiring
3.1.6.1
3.1.6.2
3.2 Guide Rails and Tracks
3.2.1 Material
3.2.1.1 Requirements for Steel, Where Used
3.2.1.2 Requirements for Metals Other Than Steel
3.2.1.3 Guide-Rail Surfaces
3.2.2 Location
28 3.2.3 Stresses and Deflections of Guide Rails and Their Brackets
3.2.3.1 Guide Rails
3.2.3.2 Brackets, Fastenings, and Supports
3.2.4 Factor of Safety
3.2.5 Anchoring
3.3 Driving Means and Sheaves
3.3.1 General Requirements
3.3.1.1
3.3.1.2
3.3.1.3
3.3.1.4
3.3.1.5
3.3.1.6
3.3.2 Hydraulic Driving Machines
3.3.3 Screw Machines
3.3.4 Friction Machines
3.3.5 Location of Power Unit and Alignment and Guarding of Sheaves and Sprockets
29 3.3.6 Indirect-Drive Machines
3.3.6.1 General Requirements
3.3.6.2 Monitoring and Brake Location
3.4 Driving-Machine Brakes
3.4.1
3.4.2
3.5 Suspension and Support Means
3.5.1 General Requirements
3.5.1.1
3.5.1.2
3.5.1.3
3.5.2 Factors of Safety
3.5.3 Arc of Contact of Suspension Means on Sheaves and Sprockets
3.5.4 Spare Rope Turns on Winding Drums
3.5.5 Securing Suspension Ropes to Winding Drums
3.5.6 Lengthening, Splicing, Repairing, or Replacing Suspension Means
30 3.5.7 Fastening of Rope Suspension Means to Platform
3.5.8 Guarding
3.6 Platforms
3.6.1 Frame and Floor
3.6.2 Securing of Enclosure
3.6.3 Strength and Deflection of Enclosure Walls
3.6.4 Floor Area
3.6.5 Material
3.6.6 Glass on Platforms
3.6.6.1
3.6.6.2
3.6.6.3
3.6.6.4
3.6.7 Platform Truck and Guides
3.6.8 Platform Guarding
3.6.8.1 Platform With Enclosure
3.6.8.2 Platform With Passenger Restraining Arms
31 3.6.8.2.1
3.6.8.2.2
3.6.8.2.3
3.6.8.2.4
3.6.9 Obstruction Devices
3.7 Capacity, Load, Speed, and Angle of Inclination
3.7.1 Limitations of Capacity, Load, and Speed
3.7.2 Limitation of Angle
3.7.3 Capacity Plate
3.7.4 Data Plates
3.7.5 Restriction Sign
32 3.8 Safeties and Speed Governors
3.8.1 Minimum Factors of Safety and Stresses of Safety Parts and Rope Connections
3.8.1.1
3.8.1.2
3.8.1.3
3.8.1.4
3.8.1.5
3.8.1.6
3.8.2 Material and Factor of Safety
3.8.3 Means of Application
3.8.3.1 Level of Platform Floor on Safety Application
3.8.3.2 Release
3.9 Terminal Stopping Devices
3.9.1
3.9.2
3.9.3
33 3.9.4
3.9.5
3.9.6
3.10 Operating Devices and Control Equipment
3.10.1 Operation
3.10.2 Attendant Operation
3.10.2.1
3.10.2.2
3.10.2.3
3.10.2.4
3.10.3 Control and Operating Circuit Requirements
3.10.3.1
3.10.3.2
3.10.3.3
3.10.4 Motor Reversal Protection
3.10.5 Phase Reversal and Failure Protection
3.10.6 Emergency Stop Switch
3.10.7 Slack-Rope and Slack-Chain Devices for Winding Drum and Roller-Chain-Type Driving Machines
34 3.10.8 Release and Application of Driving-Machine Brake
3.10.9 Electrical Equipment and Wiring
3.10.9.1
3.10.9.2
3.10.10 Manual Operations
3.11 Emergency Signal
3.11.1
3.11.2
3.12 Code Data Plate
4 INCLINED STAIRWAY CHAIRLIFTS
4.1 Runways
4.1.1
4.1.2
4.1.3
4.1.4
4.2 Guide Rails and Tracks
4.3 Driving Means and Sheaves
4.3.1 General Requirements
4.3.1.1
35 4.3.1.2
4.3.1.3
4.3.2 Hydraulic Driving Machines
4.3.3 Screw Machines
4.3.4 Friction Machines
4.3.5 Location of Power Unit and Alignment and Guarding of Sheaves and Sprockets
4.3.6 Indirect-Drive Machines
4.3.6.1 General Requirements
4.3.6.2 Monitoring and Brake Location
4.3.6.3 Replacement of Belts or Chains
4.4 Driving-Machine Brakes
4.4.1
4.4.2
4.5 Suspension and Support Means
4.5.1 General Requirements
4.5.1.1
36 4.5.1.2
4.5.2 Factors of Safety
4.5.3 Replacement of Chains and Sprockets
4.6 Chairs and Seats
4.6.1 Chair Truck and Guides
4.6.2 Factors of Safety
4.6.3 Footrest Obstruction Device
4.6.4 Footrest Clearance
4.7 Capacity, Speed, and Angle of Inclination
4.7.1 Limitations of Capacity, Load, and Speed
4.7.2 Limitation of Angle
4.7.3 Capacity Plate
4.7.4 Data Plates
4.8 Safeties and Speed Governors
4.8.1 Minimum Factors of Safety and Stresses of Safety Parts and Rope Connections
4.8.1.1
4.8.1.2
4.8.1.3
4.8.1.4
37 4.8.1.5
4.8.1.6
4.8.2 Material and Factor of Safety
4.8.3 Means of Application
4.8.3.1 Level of Chair on Safety Application
4.8.3.2 Release
4.9 Terminal Stopping Devices
4.9.1
4.9.2
4.9.3
4.9.4
4.9.5
4.9.6
4.10 Operating Devices and Control Equipment
4.10.1 Operation
4.10.2 Motor Reversal Protection
4.10.3 Electrical Equipment and Wiring
4.10.3.1
38 4.10.3.2
4.10.3.3
4.10.4 Phase Reversal and Failure Protection
4.10.5 Release and Application of Driving-Machine Brake
4.10.6 Control and Operating Circuits
4.10.6.1
4.10.6.2
4.10.7 Slack-Rope and Slack-Chain Devices for Winding Drum and Roller-Chain-Type Driving Machines.
4.11 Code Data Plate
5 PRIVATE RESIDENCE VERTICAL PLATFORM LIFTS
5.1 Runways
5.1.1 Guarding
5.1.1.1
5.1.1.2
5.1.1.3
5.1.1.4
39 5.1.1.5
5.1.1.6
5.1.1.7
5.1.1.8
5.1.2 Pipes in Runway Vicinity
5.1.3 Lower Level Access Ramps
5.1.4 Electrical Equipment and Wiring
5.1.4.1
5.1.4.2
5.1.5 Structural Support
5.1.6 Headroom Clearance
5.2 Guide Rails
5.2.1 Material
5.2.1.1 Requirements for Steel, Where Used
5.2.1.2 Requirements for Metals Other Than Steel
5.2.2 Stresses and Deflections
5.2.2.1 Guide Rails
5.2.2.2 Brackets, Fastenings, and Supports
40 5.2.3 Guide-Rail Surfaces
5.2.4 Overall Length of Guide Rails
5.2.5 Design and Strength of Brackets and Supports
5.2.6 Bracket Fastenings
5.2.7 Type of Fastenings
5.3 Driving Means and Sheaves
5.3.1 General Requirements
5.3.1.1
5.3.1.2
5.3.1.3
5.3.1.4
5.3.1.5
5.3.1.6
5.3.2 Hydraulic Driving Machines
41 5.3.3 Screw Machines
5.3.4 Friction Machines
5.3.5 Machine Framework and Base
5.3.6 Guiding Member Enclosures
5.3.7 Machinery Beams and Supports
5.3.7.1
5.3.7.2
5.3.7.3
5.3.7.4
5.3.8 Guarding of Driving Machines and Suspension Means
5.3.9 Indirect-Drive Machines
5.3.9.1 General Requirements
5.3.9.2 Monitoring and Brake Location
5.3.9.3 Replacement of Belts or Chains
5.4 Driving-Machine Brakes
5.4.1
5.4.2
5.4.3
42 5.5 Suspension and Support Means
5.5.1 General Requirements
5.5.1.1
5.5.1.2
5.5.1.3
5.5.1.4
5.5.2 Factors of Safety
5.5.3 Arc of Contact of Suspension Means on Sheaves and Sprockets
5.5.4 Spare Rope Turns on Winding Drums
5.5.5 Securing Suspension Ropes to Winding Drums
5.5.6 Lengthening, Splicing, Repairing, or Replacing Suspension Means
5.5.7 Fastening of Rope Suspension Means to Platform
5.5.8 Guarding
5.6 Platforms
5.6.1 Frame and Floor
5.6.2 Securing of Enclosures
5.6.3 Strength and Deflection of Enclosure Walls
43 5.6.4 Use of Cast Iron
5.6.5 Floor Size
5.6.6 Illumination
5.7 Capacity, Speed, and Travel
5.7.1 Limitation of Load, Speed, and Travel
5.7.2 Capacity Plates
5.7.3 Data Plates
5.8 Safeties and Speed Governors
5.8.1 Screw Drive Alternate Safety
5.8.2 Minimum Factors of Safety and Stresses of Safety Parts and Rope Connections
5.8.2.1
5.8.2.2
5.8.2.3
5.8.2.4
5.8.2.5
5.8.2.6
5.8.3 Material and Factor of Safety
5.8.4 Type A Instantaneous Safeties
44 5.8.5 Means of Application
5.8.6 Level of Platform on Safety Application
5.8.7 Release
5.9 Terminal Stopping Devices
5.9.1
5.9.2
5.9.3
5.9.4
5.9.5
5.9.6
5.10 Operating Devices and Control Equipment
5.10.1 Operation
5.10.2 Attendant Operation
5.10.2.1
5.10.2.2
5.10.3 Control and Operating Circuit Requirements
45 5.10.3.1
5.10.3.2
5.10.3.3
5.10.4 Motor Reversal Protection
5.10.5 Phase Reversal and Failure Protection
5.10.6 Emergency Stop Switch
5.10.7 Slack-Rope and Slack-Chain Devices for Winding Drum and Roller-Chain-Type Driving Machines
5.10.8 Release and Application of Driving-Machine Brake
5.10.9 Electrical Equipment and Wiring
5.10.9.1
5.10.9.2
5.10.10 Manual Operations
5.11 Code Data Plate
6 PRIVATE RESIDENCE INCLINED PLATFORM LIFTS
6.1 Runways
6.1.1 Free Passage Width
6.1.2 Clearances
6.1.3 Pits and Ramps
46 6.1.4 Pipes in Runway Vicinity
6.1.5 Structural Support
6.1.6 Electrical Equipment and Wiring
6.1.6.1
6.1.6.2
6.2 Guide Rails and Tracks
6.2.1 Material
6.2.1.1 Requirements for Steel, Where Used
6.2.1.2 Requirements for Metals Other Than Steel
6.2.1.3 Guide-Rail Surfaces
6.2.2 Location
6.2.3 Stresses and Deflections
6.2.3.1 Guide Rails
6.2.3.2 Brackets, Fastening, and Supports
6.2.4 Factor of Safety
6.2.5 Anchoring
6.3 Driving Means and Sheaves
6.3.1 General Requirements
6.3.1.1
6.3.1.2
47 6.3.1.3
6.3.1.4
6.3.1.5
6.3.1.6
6.3.2 Hydraulic Driving Machines
6.3.3 Screw Machines
6.3.4 Friction Machines
6.3.5 Location of Power Unit and Alignment and Guarding of Sheaves and Sprockets
6.3.6 Indirect-Drive Machines
6.3.6.1 General Requirements
6.3.6.2 Monitoring and Brake Location
6.4 Driving-Machine Brakes
6.4.1
6.4.2
6.5 Suspension and Support Means
6.5.1 General Requirements
6.5.1.1
48 6.5.1.2
6.5.1.3
6.5.2 Factors of Safety
6.5.3 Arc of Contact of Suspension Means on Sheaves and Sprockets
6.5.4 Spare Rope Turns on Winding Drums
6.5.5 Securing Suspension Ropes to Winding Drums
6.5.6 Lengthening, Splicing, Repairing, or Replacing Suspension Means
6.5.7 Fastening of Rope Suspension Means to Platform
6.5.8 Guarding
6.6 Platforms
6.6.1 Frame and Floor
6.6.1.1 Securing of Enclosures
6.6.1.2 Strength and Deflection of Enclosure Walls
6.6.2 Floor Area
6.6.3 Material
6.6.4 Glass on Platforms
6.6.4.1
6.6.4.2
6.6.4.3
49 6.6.4.4
6.6.5 Platform Truck and Guides
6.6.6 Platform Guarding
6.6.7 Seats
6.6.8 Obstruction Devices
6.7 Capacity, Load, and Speed
6.7.1 Limitations of Capacity, Load, and Speed
6.7.2 Capacity Plate
6.7.3 Data Plates
6.8 Safeties and Governors
6.8.1 Minimum Factors of Safety and Stresses of Safety Parts and Rope Connections
6.8.1.1
6.8.1.2
50 6.8.1.3
6.8.1.4
6.8.1.5
6.8.1.6
6.8.2 Material and Factor of Safety
6.8.3 Means of Application
6.8.4 Level of Platform on Safety Application
6.8.5 Release
6.9 Terminal Stopping Devices
6.9.1
6.9.2
6.9.3
6.9.4
6.9.5
6.9.6
6.10 Operating Devices and Control Equipment
6.10.1 Operation
51 6.10.2 Attendant Operation
6.10.2.1
6.10.2.2
6.10.2.3
6.10.3 Control and Operating Circuit Requirements
6.10.3.1
6.10.3.2
6.10.3.3
6.10.4 Motor Reversal Protection
6.10.5 Phase Reversal and Failure Protection
6.10.6 Electrical Equipment and Wiring
6.10.6.1
6.10.6.2
6.10.7 Slack-Rope and Slack-Chain Devices for Winding Drum and Roller-Chain-Type Driving Machines
6.10.8 Emergency Stop Switch
6.10.9 Release and Application of Driving-Machine Brake
6.10.10 Manual Operations
6.11 Code Data Plate
52 7 PRIVATE RESIDENCE INCLINED STAIRWAY CHAIRLIFTS
7.1 Runways
7.1.1
7.1.2
7.1.3
7.1.4
7.2 Guide Rails and Tracks
7.3 Driving Means and Sheaves
7.3.1 General Requirements
7.3.1.1
7.3.1.2
7.3.1.3
7.3.2 Hydraulic Driving Machines
7.3.3 Screw Machines
7.3.4 Friction Machines
7.3.5 Location of Power Unit and Alignment and Guarding of Sheaves and Sprockets
7.3.6 Indirect-Drive Machines
7.3.6.1 General Requirements
53 7.3.6.2 Monitoring and Brake Location
7.3.6.3 Replacement of Belts or Chains
7.4 Driving-Machine Brakes
7.4.1
7.4.2
7.5 Suspension and Support Means
7.5.1 General Requirements
7.5.1.1
7.5.1.2
7.5.2 Factors of Safety
7.5.3 Replacement of Chains and Sprockets
7.6 Chairs and Seats
7.6.1 Chair Truck and Guides
7.6.2 Factors of Safety
7.6.3 Footrest Obstruction Device
7.6.4 Footrest Clearance
7.7 Capacity, Speed, and Angle of Inclination
7.7.1 Limitations of Capacity, Load, and Speed
7.7.2 Limitation of Angle of Inclination
7.7.3 Capacity Plate
54 7.7.4 Data Plates
7.8 Safeties and Governors
7.8.1 Minimum Factors of Safety and Stresses of Safety Parts and Rope Connections
7.8.1.1
7.8.1.2
7.8.1.3
7.8.1.4
7.8.1.5
7.8.1.6
7.8.2 Material and Factor of Safety
7.8.3 Means of Application
7.8.4 Level of Chair on Safety Application
7.8.5 Release
7.9 Terminal Stopping Devices
7.9.1
7.9.2
7.9.3
55 7.9.4
7.9.5
7.9.6
7.10 Operating Devices and Control Equipment
7.10.1 Operation
7.10.2 Motor Reversal Protection
7.10.3 Electrical Equipment and Wiring
7.10.3.1
7.10.3.2
7.10.3.3
7.10.4 Phase Reversal and Failure Protection
7.10.5 Release and Application of Driving-Machine Brake
7.10.6 Control and Operating Circuits
7.10.6.1
7.10.6.2
7.10.7 Slack-Rope and Slack-Chain Devices for Winding Drum and Roller-Chain-Type Driving Machines
7.11 Code Data Plate
56 8 DRIVING MEANS
8.1 Hydraulic Driving Means
8.1.1 Hydraulic Jack and Connections
8.1.1.1 Direct-Acting Hydraulic Lifts
8.1.2 Roped-Hydraulic Lift
8.1.2.1
8.1.2.2
8.1.2.3
8.1.2.4
8.1.2.5
8.1.2.6
8.1.2.7
8.1.3 Plungers
8.1.3.1 Material
8.1.3.2 Plunger Design
8.1.3.3 Plunger Connection
57 8.1.3.4 Plunger Joints
8.1.3.5 Plungers Subject to External Pressure
8.1.3.6 Plunger Heads Subject to Fluid Pressure
8.1.3.7 Plunger-Follower Guide
8.1.4 Cylinders
8.1.4.1 Material
8.1.4.2 Cylinder Design
8.1.4.3 Clearance at Bottom of Cylinder
8.1.4.4 Safety Bulkhead
8.1.4.5 Cylinder Packing Heads
8.1.4.6 Closed Cylinder and Plunger Heads
8.1.4.7 Collection of Oil Leakage
8.1.4.8 Installation Below Ground
58 8.1.4.9 Means for Relief of Air or Gas
8.1.4.10
8.1.5 Stops
8.1.5.1 Metal Stops and/or Other Means
8.1.5.2 Hydraulic System
8.1.6 Welding.
8.1.7 Hydraulic Connections
8.1.7.1 Flexible Hose and Fittings
8.1.7.2 Hydraulic Tubing and Fittings
8.1.7.2.1
8.1.7.3 Steel Piping
8.2 Screw Machines
8.2.1
8.2.2
8.2.3
8.2.4
8.2.5
8.2.6
59 8.2.7
8.2.8
8.2.9
8.3 Friction Machines
8.3.1
8.3.2
8.3.3
8.3.4
8.3.5
9 ENGINEERING TYPE TESTING AND DESIGN
9.1 Welding
9.1.1 Qualification of Welders
9.1.2 Welding Steel
9.1.3 Welding Metals Other Than Steel
9.2 Plunger Design
9.2.1 Plungers Not Subject to Eccentric Loading
9.2.1.1
9.2.1.2
60 9.2.1.3
9.2.1.4
9.2.2 Plungers Subject to Eccentric Loading
9.2.3 Plungers Subjected to External Pressure
9.2.3.1
9.2.3.2
9.2.4 Telescoping Plungers
9.3 Cylinder Design
9.4 Cylinder and Plunger Heads
61 9.4.1
9.4.2
9.4.3
9.5 Safety Factor
9.5.1
9.5.2
9.6 Engineering Tests: Safety Nut and Speed Limiting Device of Screw Column Lifts
9.6.1 Test of Safety Nut
9.6.2 Test of Speed Limiting Device
9.7 Minimum Load to Sustain and Lower
62 9.8 Tapered Rope Sockets
9.8.1
9.8.2
9.8.3
9.8.4
9.8.5
9.8.6
9.8.6.1
9.8.6.2
9.8.6.2.1
9.8.6.2.2
9.8.6.2.3
9.8.6.2.4
9.7 Minimum Loads to Sustain and Lower Based Upon Inside Net Platform Area
63 9.8.6.2.5
10 ROUTINE, PERIODIC, AND ACCEPTANCE INSPECTIONS AND TESTS
10.1 General Requirements
10.1.1 Routine Inspections and Tests
10.1.2 Periodic Inspections and Tests
10.1.2.1
10.1.2.2
10.1.2.3
10.1.3 Acceptance Inspections and Tests
10.1.3.1
10.1.3.2
10.1.3.3
10.1.4 Applicability of Inspection and Test Requirements
10.1.5 Installation Placed Out of Service
10.2 Routine Inspections and Tests
10.2.1 Inspection and Test Periods
10.2.2 Inspection and Test Requirements
10.2.2.1 Inside Platform Inspections
64 10.2.2.2 Machine Inspections
10.2.2.3 Inside Runway Inspections
10.2.2.4 Outside Runway Inspections
10.3 Periodic Inspections and Tests
10.3.1 One-Year Inspection and Test Requirements
10.3.1.1 Cylinders
10.3.1.2 Safeties
10.3.1.2.1
10.3.1.2.2
10.3.1.3 Governors
10.3.1.4 Slack-Rope Devices on Winding Drum Machines
10.3.1.5 Normal and Final Terminal Stopping Devices
10.3.1.6 Broken Rope, Tape, or Chain Switch
10.3.1.7 Slack-Rope Device on Roped-Hydraulic Machines
65 10.3.2 Three-Year Inspection and Test Requirements
10.3.2.1 Unexposed Portions of Pistons
10.3.3 Five-Year Inspection and Test Requirements
10.3.3.1 Platform Safeties
10.3.3.2 Governors
10.3.3.2.1
10.3.3.2.2
10.3.3.2.3
10.3.3.3 Brake
10.3.3.4 Ropes
10.3.3.5 Fastenings
10.4 Acceptance Inspections and Tests
10.4.1 General Requirements for Types A, B, and C Safeties
10.4.1.1
10.4.1.2
10.4.1.3
10.4.1.4
10.4.1.5
10.4.2 Type A Governor-Operated Safeties
66 10.4.2.1
10.4.3 Type A Safeties Without Governors
10.4.4 Types B and C Safeties
10.4.4.1
10.4.4.2
10.4.5 Normal Terminal Stopping Devices
10.4.5.1
10.4.5.2
10.4.6 Stop Ring
10.4.7 Bottom Cylinder Clearance
10.4.8 Speed
10.5 Inspection and Test Requirements for Altered Installations
68 ASME A18.1 INTERPRETATIONS
69 Interpretation: 03-01
Interpretation: 03-02
Interpretation: 03-03
70 Interpretation: 03-04

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ASME A18.1 2003
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