AS/NZS 4024.3612:2015
Safety of machinery - Part 3612: Conveyors - Chain conveyors and unit handling conveyors
Sets out minimum lifecycle safety requirements for chain conveyors and unit handling conveyors, which are in addition to the general requirements of AS/NZS 4024.3610. It also contains requirements for systems comprising multiple conveyors. It specifies requirements for people who design/modify, manufacture, supply, install, commission, operate, maintain or dismantle chain conveyors and unit handling conveyors. This Standard includes requirements for users and providers of inspection, maintenance, training and the implementation of safe work practices for such equipment. Particular emphasis is given to operational safety and the protection afforded to operators, maintenance personnel or other persons who may be exposed to risks to health and safety associated with conveyors.
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PREFACE
CONTENTS
SECTION 1 SCOPE AND GENERAL
1.1 SCOPE
1.2 APPLICATION
1.3 REFERENCED DOCUMENTS
1.4 DEFINITIONS
1.4.1 Accessible area
1.4.2 Backstop
1.4.3 Carrying element
1.4.4 Conveyor types
1.4.5 Curve (roller conveyor)
1.4.6 Driven element
1.4.7 Drop section
1.4.8 Grade (slope)
1.4.9 Hold down
1.4.10 Horizontal transfer device (diverter, sorter)
1.4.11 Nose-over
1.4.12 Pulleys
1.4.13 Reasonably practicable
1.4.14 Rollers
1.4.15 Sprocket
1.4.16 Transfer car
1.4.17 Transport area
1.4.18 Vertical transfer device
1.4.19 Working area (work station)
SECTION 2 TYPICAL HAZARDS, RISK ASSESSMENT AND DESIGN
2.1 APPLICATION
2.2 TYPICAL HAZARDS ASSOCIATED WITH CHAIN AND UNIT HANDLING CONVEYORS
2.3 RISK ASSESSMENT
2.3.1 General
2.3.2 Environmental lifecycle considerations
2.4 DESIGN
2.4.1 General
2.4.2 Hinged sections
2.4.3 Nose overs
2.4.4 Anti-runaway
SECTION 3 CHAIN CONVEYORS
3.1 APPLICATION
3.2 DESIGN RISK ASSESSMENT
3.2.1 Characteristics of chain conveyors
3.2.2 Specific lifecycle hazards associated with chain conveyors
3.2.3 Chain conveyor design information
3.3 DESIGN OF SPECIFIC TYPES OF CHAIN CONVEYORS
3.3.1 General
3.3.2 Overhead chain or cable conveyors
3.3.3 Slat conveyors-Spacing between slats and aprons
3.3.4 Roller flight conveyors
3.3.5 Drag chain conveyors
3.3.6 Swing tray conveyors
3.3.7 Bucket elevators
3.4 MAINTENANCE
3.4.1 General
3.4.2 Anti-runaway
SECTION 4 UNIT HANDLING CONVEYORS
4.1 APPLICATION
4.2 DESIGN RISK ASSESSMENT
4.2.1 General
4.2.2 Characteristics of unit handling conveyors
4.2.3 Specific lifecycle hazards associated with unit handling conveyors
4.3 DESIGN INFORMATION
4.3.1 Rating plate
4.3.2 Plant safety file
4.4 DESIGN OF UNIT HANDLING CONVEYORS
4.4.1 Design standards
4.4.2 Safety requirements and/or measures
4.5 MEASURES FOR PROTECTION AGAINST MECHANICAL HAZARDS
4.5.1 Measures for protection against crushing and shearing hazards
4.5.2 Measures for protection against drawing-in hazards
4.5.3 Measures for protection against striking/collision hazards
4.5.4 Measures for protection against hazards due to falling objects
4.5.5 Measures for protection against slipping, tripping and falling hazards
4.6 MEASURES FOR PROTECTION AGAINST HAZARDS CAUSED BY FAILURE OF POWER SUPPLY, BREAKING DOWN OF CONVEYOR PARTS OR OTHER...
4.6.1 General
4.6.2 Infeed of conveyed loads
4.6.3 Pre-start warnings
4.7 DEVICES AND EQUIPMENT FOR SETTING UP AND REPAIR-CONTROL DEVICES
4.8 INFORMATION FOR USE
4.8.1 Instruction handbook
4.8.2 Warning labels and signs
APPENDIX A - REFERENCED DOCUMENTS
A1 REFERENCES FROM THE TEXT
A2 RELATED DOCUMENTS
APPENDIX B - CHAIN CONVEYOR DESCRIPTIONS
B1 APRON CONVEYORS
B1.1 Apron conveyor
B1.2 Apron conveyor with pans
B2 BARREL OR DRUM CONVEYOR
B3 BUCKET CONVEYORS
B3.1 Bucket elevator
B3.2 Bucket conveyor
B3.3 Pivoted bucket conveyor
B3.4 Vertical internal discharge chain and bucket conveyor
B4 CHAIN CONVEYORS
B4.1 Chain conveyor
B4.2 Chain conveyor with driving dogs
B4.3 Drag chain conveyor
B4.4 Overhead chain conveyor (open track type)
B4.5 Overhead chain conveyor (enclosed track)
B4.6 Single chain or crate conveyor
B4.7 Swing chain conveyor, fork tray type
B4.8 Swing tray conveyor, solid tray type
B4.9 Roller flight conveyor (accumulating)
B4.10 Vertical chain conveyor, opposed shelf type
B4.11 Pallet type conveyor
B4.12 Flight conveyor (push-type)
B4.13 Armoured face conveyor
B5 CROSS-BAR CONVEYOR
B6 POCKET CONVEYOR
B7 TRUCK-TOWING CONVEYORS
B7.1 Floor truck-towing conveyor
B7.2 Single strand floor-mounted truck conveyor
B8 PLATE CONVEYOR
B9 POWERED ROLLER CONVEYOR
B10 SLAT CONVEYORS
B10.1 Slat conveyor
B10.2 Slat conveyor with pushers
B10.3 Slat band conveyor
B11 TROLLEY CONVEYOR
B12 UNIT HANDLING BELT CONVEYOR
B13 CONVEYOR COMPONENTS
B13.1 Anti-runback device for overhead chain conveyor
B13.2 Anti-runaway protective device for overhead chain conveyor
B13.3 Hinged section
APPENDIX C - GUIDANCE FOR SPECIFIC CONVEYOR TYPES
C1 ROLLER CONVEYORS-NON-POWERED
C2 UNIT HANDLING BELT CONVEYORS
C2.1 General
C2.2 Horizontal belt conveyors-Typical side elevations
C2.3 Inclined belt conveyors-Typical side elevations
C3 BELT DRIVEN LIVE ROLLER CONVEYORS
C4 CHAIN DRIVEN LIVE ROLLER CONVEYORS
C5 SLAT CONVEYORS
C6 OVERHEAD TROLLEY CHAIN CONVEYORS
APPENDIX D - GLOSSARY OF TERMS
D1 GENERAL
D2 DEFINED TERMS
D2.1 Bed (conveyor)
D2.2 Bed (slider)
D2.3 Gravity rollers
D2.4 Multi-strand drag chain conveyor
D2.5 Metering conveyor
D2.6 Motorized pulley
D2.7 Plow
D2.8 Powered feeder
D2.9 Single strand drag chain conveyor
D2.10 Tracking
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PREFACE
CONTENTS
SECTION 1 SCOPE AND GENERAL
1.1 SCOPE
1.2 APPLICATION
1.3 REFERENCED DOCUMENTS
1.4 DEFINITIONS
1.4.1 Accessible area
1.4.2 Backstop
1.4.3 Carrying element
1.4.4 Conveyor types
1.4.5 Curve (roller conveyor)
1.4.6 Driven element
1.4.7 Drop section
1.4.8 Grade (slope)
1.4.9 Hold down
1.4.10 Horizontal transfer device (diverter, sorter)
1.4.11 Nose-over
1.4.12 Pulleys
1.4.13 Reasonably practicable
1.4.14 Rollers
1.4.15 Sprocket
1.4.16 Transfer car
1.4.17 Transport area
1.4.18 Vertical transfer device
1.4.19 Working area (work station)
SECTION 2 TYPICAL HAZARDS, RISK ASSESSMENT AND DESIGN
2.1 APPLICATION
2.2 TYPICAL HAZARDS ASSOCIATED WITH CHAIN AND UNIT HANDLING CONVEYORS
2.3 RISK ASSESSMENT
2.3.1 General
2.3.2 Environmental lifecycle considerations
2.4 DESIGN
2.4.1 General
2.4.2 Hinged sections
2.4.3 Nose overs
2.4.4 Anti-runaway
SECTION 3 CHAIN CONVEYORS
3.1 APPLICATION
3.2 DESIGN RISK ASSESSMENT
3.2.1 Characteristics of chain conveyors
3.2.2 Specific lifecycle hazards associated with chain conveyors
3.2.3 Chain conveyor design information
3.3 DESIGN OF SPECIFIC TYPES OF CHAIN CONVEYORS
3.3.1 General
3.3.2 Overhead chain or cable conveyors
3.3.3 Slat conveyors-Spacing between slats and aprons
3.3.4 Roller flight conveyors
3.3.5 Drag chain conveyors
3.3.6 Swing tray conveyors
3.3.7 Bucket elevators
3.4 MAINTENANCE
3.4.1 General
3.4.2 Anti-runaway
SECTION 4 UNIT HANDLING CONVEYORS
4.1 APPLICATION
4.2 DESIGN RISK ASSESSMENT
4.2.1 General
4.2.2 Characteristics of unit handling conveyors
4.2.3 Specific lifecycle hazards associated with unit handling conveyors
4.3 DESIGN INFORMATION
4.3.1 Rating plate
4.3.2 Plant safety file
4.4 DESIGN OF UNIT HANDLING CONVEYORS
4.4.1 Design standards
4.4.2 Safety requirements and/or measures
4.5 MEASURES FOR PROTECTION AGAINST MECHANICAL HAZARDS
4.5.1 Measures for protection against crushing and shearing hazards
4.5.2 Measures for protection against drawing-in hazards
4.5.3 Measures for protection against striking/collision hazards
4.5.4 Measures for protection against hazards due to falling objects
4.5.5 Measures for protection against slipping, tripping and falling hazards
4.6 MEASURES FOR PROTECTION AGAINST HAZARDS CAUSED BY FAILURE OF POWER SUPPLY, BREAKING DOWN OF CONVEYOR PARTS OR OTHER...
4.6.1 General
4.6.2 Infeed of conveyed loads
4.6.3 Pre-start warnings
4.7 DEVICES AND EQUIPMENT FOR SETTING UP AND REPAIR-CONTROL DEVICES
4.8 INFORMATION FOR USE
4.8.1 Instruction handbook
4.8.2 Warning labels and signs
APPENDIX A - REFERENCED DOCUMENTS
A1 REFERENCES FROM THE TEXT
A2 RELATED DOCUMENTS
APPENDIX B - CHAIN CONVEYOR DESCRIPTIONS
B1 APRON CONVEYORS
B1.1 Apron conveyor
B1.2 Apron conveyor with pans
B2 BARREL OR DRUM CONVEYOR
B3 BUCKET CONVEYORS
B3.1 Bucket elevator
B3.2 Bucket conveyor
B3.3 Pivoted bucket conveyor
B3.4 Vertical internal discharge chain and bucket conveyor
B4 CHAIN CONVEYORS
B4.1 Chain conveyor
B4.2 Chain conveyor with driving dogs
B4.3 Drag chain conveyor
B4.4 Overhead chain conveyor (open track type)
B4.5 Overhead chain conveyor (enclosed track)
B4.6 Single chain or crate conveyor
B4.7 Swing chain conveyor, fork tray type
B4.8 Swing tray conveyor, solid tray type
B4.9 Roller flight conveyor (accumulating)
B4.10 Vertical chain conveyor, opposed shelf type
B4.11 Pallet type conveyor
B4.12 Flight conveyor (push-type)
B4.13 Armoured face conveyor
B5 CROSS-BAR CONVEYOR
B6 POCKET CONVEYOR
B7 TRUCK-TOWING CONVEYORS
B7.1 Floor truck-towing conveyor
B7.2 Single strand floor-mounted truck conveyor
B8 PLATE CONVEYOR
B9 POWERED ROLLER CONVEYOR
B10 SLAT CONVEYORS
B10.1 Slat conveyor
B10.2 Slat conveyor with pushers
B10.3 Slat band conveyor
B11 TROLLEY CONVEYOR
B12 UNIT HANDLING BELT CONVEYOR
B13 CONVEYOR COMPONENTS
B13.1 Anti-runback device for overhead chain conveyor
B13.2 Anti-runaway protective device for overhead chain conveyor
B13.3 Hinged section
APPENDIX C - GUIDANCE FOR SPECIFIC CONVEYOR TYPES
C1 ROLLER CONVEYORS-NON-POWERED
C2 UNIT HANDLING BELT CONVEYORS
C2.1 General
C2.2 Horizontal belt conveyors-Typical side elevations
C2.3 Inclined belt conveyors-Typical side elevations
C3 BELT DRIVEN LIVE ROLLER CONVEYORS
C4 CHAIN DRIVEN LIVE ROLLER CONVEYORS
C5 SLAT CONVEYORS
C6 OVERHEAD TROLLEY CHAIN CONVEYORS
APPENDIX D - GLOSSARY OF TERMS
D1 GENERAL
D2 DEFINED TERMS
D2.1 Bed (conveyor)
D2.2 Bed (slider)
D2.3 Gravity rollers
D2.4 Multi-strand drag chain conveyor
D2.5 Metering conveyor
D2.6 Motorized pulley
D2.7 Plow
D2.8 Powered feeder
D2.9 Single strand drag chain conveyor
D2.10 Tracking
AS/NZS 4024.3612:2015
Online Library subscription pricing
The cost of your subscription will depend on which standards you want to access, and how many people in your organisation need to be able to access the Online Library subscription at the same time (concurrent users). During your subscription period, we are also able to make any necessary changes and ensure you are aware of any pricing changes that result. For a quote, contact our Online Library team by emailing onlinelibrary@standards.govt.nz.