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AS 1418.16-1997
[Pending Revision]Cranes (including hoists and winches), Part 16: Mast climbing work platforms
Specifies the design requirements for mast climbing work platforms as defined in AS 2549-1996. It does not apply to mobile elevating work platforms, builders hoists or suspended access equipment. Sections are included on loads and stability, design, mechanism, electrical systems, controls, data marking, manuals and the type tests and production tests required. Appendices give guidance on typical hazards and the special requirements relative to multi-level work platforms.
Published: 05/12/1997
Pages: 37
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
PREFACE
1 SCOPE AND GENERAL
1.1 SCOPE
1.2 NEW DESIGNS AND INNOVATIONS
1.3 APPLICATION
1.4 REFERENCED DOCUMENTS
1.5 DEFINITIONS
2 LOADS AND STABILITY
2.1 GENERAL
2.2 LOADS AND FORCES
2.2.1 Structural loads
2.2.2 Rated load
2.2.3 Horizontal force due to workers
2.2.4 Dynamic forces
2.2.5 In-service wind forces
2.2.5.1 General
2.2.5.2 Area of persons on a MCWP exposed to the wind
2.2.5.3 Additional wind resistance
2.2.5.4 Alternative method
2.2.6 Special loads and forces during transport
2.2.6.1 MCWP travelling in a horizontal direction
2.2.6.2 MCWP supported by tyres
2.2.6.3 MCWP in transport
2.2.7 Erection and dismantling load
2.2.8 Out-of-service wind forces
2.2.9 Buffer forces
2.2.10 Action of the safety gear
2.2.11 Inaccuracies in setting up
2.3 LOAD COMBINATIONS
2.4 STRUCTURAL CALCULATIONS
2.5 STABILITY CALCULATIONS
2.5.1 Calculation of forces
2.5.1.1 Overturning forces
2.5.1.2 Wind forces
2.5.1.3 Horizontal forces due to workers
2.5.1.4 Special loads and forces
2.5.1.5 Inaccuracies
2.5.1.6 Calculation of overturning and stabilizing moments
3 DESIGN
3.1 GENERAL
3.2 BASE FRAME AND CHASSIS
3.2.1 General
3.2.2 Base frame
3.2.3 Chassis
3.2.4 Outriggers and stabilizers
3.2.5 Towbar
3.2.6 Warning marks
3.3 MAST STRUCTURE
3.3.1 General
3.3.2 Rack elements for pinion drive
3.3.3 Tie attachment points
3.3.4 Marking
3.4 MAST DESIGN WITH REGARD TO ERECTION
3.4.1 Lifting equipment
3.4.2 Attachment of lifting equipment
3.5 MAST TIES
3.5.1 General
3.5.2 Design
3.5.3 Attachment to the supporting structure
3.6 WORK PLATFORM
3.6.1 Structure
3.6.1.1 Platform profile
3.6.1.2 Trapdoors
3.6.1.3 Floor design
3.6.2 Fastening
3.6.3 Guarding
3.6.3.1 General
3.6.3.2 Guardrails
3.6.3.3 Chains or ropes
3.6.3.4 Platform extensions
3.6.4 Access
3.6.4.1 Access gate
3.6.4.2 Access ladder
3.6.4.3 Handholds
3.6.4.4 Multilevel work platforms
4 MECHANISM
4.1 GENERAL
4.2 HYDRAULIC SYSTEMS
4.3 PNEUMATIC SYSTEMS
4.4 RACK-AND-PINION SYSTEMS
4.4.1 Constant engagement
4.4.2 Module
4.4.3 Safety gear
4.4.4 Material
4.4.5 Load share
4.4.6 Guide roller
4.4.7 Examination
4.5 BRAKING SYSTEM FOR OTHER THAN HYDRAULIC AND PNEUMATIC DRIVES
4.5.1 General
4.5.2 Electromechanical brake
4.5.2.1 General
4.5.2.2 Single electromechanical brake
4.5.2.3 Components
4.5.2.4 Continuous current
4.5.2.5 Climbing drive unit motor as generator
4.5.2.6 Springs
4.5.2.7 Blocks and linings
4.5.3 Hydromechanical brakes
4.5.4 Manual emergency operating device
4.6 BUFFERS
4.6.1 General
4.6.2 Pedestal
4.7 DEVICES WHICH PREVENT THE WORK PLATFORM FROM FALLING WITH OVERSPEED
4.7.1 General
4.7.2 Safety gear
4.7.3 System involving two or more drive motors fitted to each climbing drive unit
4.7.4 Overspeed governor
4.8 EMERGENCY DEVICES FOR LOWERING AND RAISING
4.8.1 General
4.8.2 Safety gear operation
4.8.3 Speed control
4.8.4 Emergency raising
5 ELECTRICAL SYSTEMS
5.1 GENERAL
5.2 SAFETY SWITCHES AND SAFETY CIRCUITS
5.2.1 General
5.2.2 Safety switches
5.2.3 Safety circuits
5.3 REQUIREMENTS FOR SAFETY DEVICES
5.4 TRAVEL LIMIT SWITCHES
5.4.1 Terminal stopping switches
5.4.2 Limit switches
5.4.3 Additional switches
5.4.4 Multiple-masts
6 CONTROLS
6.1 GENERAL
6.2 LOCATION
6.3 INTERLOCK
6.4 OPERATION
6.5 POSITION OF CONTROL STATION
6.6 EMERGENCY STOP CONTROL
6.7 ERGONOMICS
6.8 STARTING UP
6.9 LABELLING
7 DATA MARKING
7.1 DATA MARKING PLATE
7.2 SUPPORT AND ADDITIONAL INFORMATION
8 MANUALS
8.1 GENERAL
8.2 OPERATOR’S MANUAL
8.3 MAINTENANCE MANUAL
8.4 PARTS BOOK
9 TESTS
9.1 TYPE TESTS
9.1.1 General
9.1.2 Functional tests
9.1.2.1 General
9.1.2.2 Safety gear test
9.1.3 Stability tests
9.1.3.1 Procedure
9.1.3.2 Travel brake tests
9.1.4 Overload test
9.1.5 Routine tests
9.1.6 Test report
9.2 PRODUCTION TESTS
APPENDIX A
APPENDIX B
Cited references in this standard
ISO 6336.5
Calculation of load capacity of spur and helical gears, Part 5: Strength and quality of materials
ISO 6336.3
Calculation of load capacity of spur and helical gears, Part 3: Calculation of tooth strength
ISO 6336.2
Calculation of load capacity of spur and helical gears, Part 2: Calculation of surface durability (pitting)
ISO 6336.1
Calculation of load capacity of spur and helical gears, Part 1: Basic principles, introduction and general influence factors
Content history
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