Standard
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AS 1418.8-2008
[Current]Cranes, hoists and winches, Part 8: Special purpose appliances
Specifies requirements, additional to those in AS 1418.1, for special purpose appliances including platform hoists, tip truck hoisting systems, earthmoving equipment used as a crane, and side-boom pipelayers. Application, design, controls, performance, components, testing, marking, operation and maintenance are covered. Appendices provide guidance on information to be supplied with enquiry, order, tender or request for hire, commissioning, inspecting and operation, and use of platform hoists.
Published: 14/11/2008
Pages: 45
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
1 Scope and general
1.1 Scope
1.2 Normative references
1.3 Definitions
1.4 Expression of performance
1.4.1 Load rating of appliance
1.4.2 Range of hoisting
1.4.3 Working velocities
1.5 New designs or innovations
2 General requirements for design
2.1 Design
2.1.1 Basis of design
2.1.1.1 General
2.1.1.2 Risk assessment
2.1.1.3 Mechanisms
2.1.1.4 Design for strength
2.1.1.5 Design for life
2.1.1.6 Lubrication
2.1.2 Manual operating effort
2.1.3 Classification of appliance
2.1.4 Deflection
2.1.5 Braking mechanism
2.1.6 Drive isolation
2.1.7 Guardrailings
2.2 Components
2.2.1 General
2.2.2 Steel wire rope and chains
2.3 Electrical equipment and controls
2.4 Pneumatic equipment and controls
2.5 Hydraulic equipment and controls
2.6 Testing
2.6.1 General
2.6.2 Type test
2.6.3 Type tests for manually operated appliances
2.6.4 Type test for power-operated appliance
2.6.5 Operational test
2.7 Marking
2.8 Test records
2.9 Operation and maintenance instructions manuals
3 General platform hoists
3.1 Scope of section
3.2 Types
3.3 Load rating
3.4 Loads
3.4.1 Rated capacity
3.4.2 Gravitational loads
3.4.3 Inertial loads
3.4.4 Additional loads
3.5 Load combinations
3.6 Design and construction
3.6.1 Platform
3.6.1.1 Floor loading
3.6.1.2 Platform-sill loading
3.6.1.3 Clearance around platform
3.6.1.4 Limitation of tilt and sway
3.6.2 Drive mechanism
3.6.2.1 General
3.6.2.2 Rope-reeving system
3.6.2.3 Chain drive system
3.6.2.4 Screw drive system
3.6.3 Controls
3.6.4 Pneumatic equipment and controls
3.6.5 Hydraulic equipment and controls
3.6.6 Guarding
3.6.6.1 General
3.6.6.2 Gates or doors
3.6.6.3 Fixed level operation
3.6.7 Automatic or semi-automatic operation of a platform hoist
3.6.8 Platform hoists carrying a load and personnel between floors
3.6.9 Open platform hoists carrying a load and personnel
3.6.10 Drainage
3.7 Marking
3.8 Inspection and maintenance
4 Tip truck hoisting systems
4.1 Scope of section
4.2 Types
4.3 Load combinations
4.4 Basis of design
4.4.1 General
4.4.2 Braking
4.4.3 Emergency stop
4.4.4 Safety features
4.4.5 Vehicle mounting
4.5 Circuit diagram
4.6 Components
4.6.1 Accumulators
4.6.2 Controls
4.6.2.1 General
4.6.2.2 Location
4.6.3 Rope-reeving system
4.7 Marking
5 Requirements for earthmoving equipment
5.1 General
5.2 Definitions
5.3 Rated capacity
5.3.1 Requirements for rated capacity at maximum reach/radius
5.3.2 Non-standard equipment
5.4 Design
5.4.1 Lift points
5.4.2 Indicating and warning equipment
5.4.2.1 General
5.4.2.2 Performance indicators
5.4.2.2.1 Load indicators
5.4.2.2.2 Level indicator
5.4.2.2.3 Slope indicator
5.4.2.3 Audible warning device
5.4.3 Controlled lowering devices
5.5 Stability
5.6 Rated hydraulic capacity
5.7 Testing
5.7.1 General
5.7.2 Visual inspection
5.7.3 Performance test
5.7.4 Static stability test
5.7.4.1 General
5.7.4.2 Purpose
5.7.4.3 Procedure
5.7.4.4 Requirements
5.7.5 Strength test
5.7.6 Hydraulic test
5.8 Quickhitches
5.9 Marking
5.9.1 General
5.9.2 Rated capacity
6 Side-boom pipelayers
6.1 Scope of section
6.2 General requirements
6.3 Load ratings
6.3.1 Lifting performance
6.3.2 Rated capacity chart
6.3.3 Modifications
6.3.4 Limiting and indicating devices
6.4 Luffing mechanism
6.5 Hoisting mechanism
6.5.1 Hoist drum
6.5.2 Hoist brakes
6.5.3 Power-controlled lowering device
6.6 Adjustments
6.7 Dimensions
6.8 Ropes
6.9 Sheave sizes
6.10 Inspection and maintenance
6.11 Marking
Appendix A
A1 General
A2 Platform hoist
A3 Tip truck hoisting systems
Appendix B
Appendix C
Bibilography
Cited references in this standard
[Current]
Fixed platforms, walkways, stairways and ladders — Design, construction and installation
[Current]
Earth-moving machinery — Hydraulic excavator and backhoe loader lowering control device — Requirements and tests
[Withdrawn]
Graphic symbols for general engineering, Part 1: Hydraulic and pneumatic systems
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