Standard
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AS/NZS 4024.3610:2015
[Current]Safety of machinery, Part 3610: Conveyors — General requirements
This Standard sets out the minimum lifecycle safety requirements for conveyor systems. This Standard is intended to be used in conjunction with other conveyor Standards in the AS 4024 series (i.e. AS/NZS 4024.3611, AS/NZS 4024.3612 and AS/NZS 4024.3614) by all persons that design/modify, manufacture, supply, install, commission, operate, maintain or dismantle conveyor systems.
Published: 21/08/2015
Pages: 79
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
Foreword
1 Scope and general
1.1 Scope
1.2 Objective
1.3 Application
1.4 Referenced documents
1.5 Definitions
1.6 Risk management
1.6.1 General
1.6.2 Lifecycle hazards associated with conveyor systems
1.6.3 Risk assessment
1.6.4 Risk control
2 Requirements for design
2.1 General
2.1.1 Design parameters
2.1.2 Design information
2.1.2.1 General
2.1.2.2 Synopsis of plant
2.1.2.3 Design
2.1.2.4 Installation, commissioning and dismantling
2.1.2.5 Operation and maintenance
2.2 Design risk assessment
2.2.1 Objective
2.2.2 Foreseeable hazards
2.2.3 Design risk evaluation and control measures
2.2.4 Design risk controls
2.2.5 Design risk assessment review
2.3 Environmental control
2.3.1 Environmental elements impacted by the conveyor
2.3.2 Environmental elements which impact the operation of conveyor
2.3.3 Systems for handling fugitive material
2.3.3.1 Dust
2.3.3.2 Material spillage
2.4 Design for operability and maintainability
2.4.1 General
2.4.2 Design for safe access
2.4.2.1 General
2.4.2.2 Walkways
2.4.2.3 Crossovers for aisles and passageways
2.4.2.4 Working clearance
2.4.2.5 Access to take-up
2.4.3 Design for lubrication, inspection and adjustments
2.4.3.1 General
2.4.3.2 Guard design
2.4.4 Design for cleaning and inspection
2.4.4.1 General
2.4.4.2 Guard design for cleaning and inspection
2.5 Systems to stop and hold a conveyor
2.5.1 Safe stopping
2.5.2 Anti-runaway device
2.5.3 Controlled braking
2.5.4 Prevention of unplanned or hazardous movement
2.5.5 Controlled speed of descent
2.6 Energy and isolation
2.6.1 Stored energy systems
2.6.1.1 General
2.6.1.2 Energy isolation and dissipation
2.6.1.2.1 General
2.6.1.2.2 Gravity take-up isolation
2.6.1.3 Control of take-up
2.6.1.4 Raising and lowering systems
2.6.2 Electrical energy isolation
2.6.2.1 Electrical energy isolation device
2.6.2.2 Remote electrical energy isolating devices
2.7 Structural requirements
2.8 Electrical requirements
2.8.1 General
2.8.2 Control circuits
2.9 Illumination
2.9.1 General
2.9.2 Emergency lighting
2.10 Conveyor control
2.10.1 General
2.10.2 Control system integrity
2.10.3 Stop/start controls
2.10.3.1 General
2.10.3.2 Automatic stop controls
2.10.3.3 Protective stop control
2.10.3.4 Protection of controls
2.10.3.5 Sequencing
2.10.4 Prestart warning systems
2.10.5 Emergency stop
2.10.5.1 Function
2.10.5.2 Location of emergency stops
2.10.5.3 Components and elements to achieve the emergency stop function
2.10.5.4 Person-on-conveyor stop
2.10.6 Pull wire emergency stops
2.10.6.1 General
2.10.6.2 Pull wire design
2.10.6.3 Location of pull wires
2.10.7 Protection from overload
2.11 Explosion and fire protection
2.11.1 Explosion risk
2.11.1.1 General
2.11.1.2 Combustible dust
2.11.2 Fire risk
2.11.3 Fire prevention
2.11.3.1 General
2.11.3.2 Lubricants
2.11.3.3 Accumulation of materials
2.11.3.4 Friction
2.12 Markings, signs and identification
2.12.1 General
2.12.2 Information plates
2.12.3 Rated capacity
2.12.4 Marking of control devices
2.12.5 Labelling
2.12.5.1 Readily removable guards
2.12.5.2 Inspection and access doors
2.12.5.3 Labelling of stored energy access points
2.12.5.4 Transfers
2.13 Safeguards
2.13.1 General
2.13.2 Hazardous situations and parts requiring safeguards
2.13.2.1 General
2.13.2.2 Shear points and nip points
2.13.2.3 Rotating parts
2.13.2.4 Hoppers and chutes
2.13.2.5 Loading, unloading and discharge points
2.13.2.6 Falling materials
2.13.2.7 Take-ups
2.13.3 Safeguarding methods
2.13.3.1 Design of safeguards
2.13.3.2 Other design considerations
2.13.3.3 Hierarchy of safeguarding methods
2.13.3.4 Permanent fixed guards
2.13.3.5 Interlocked guards
2.13.3.6 Removable guards not interlocked
2.13.3.7 Guarding alternatives
2.13.4 Guard design
2.13.4.1 General
2.13.4.2 Hazards from safeguards
2.13.4.3 Materials
2.13.4.4 Guarding strength
2.13.4.5 Safe reach dimensions and guard placement
2.13.4.6 Removal of guards
2.13.4.7 Inspection and access doors
2.13.4.8 Removal of guards and opening of inspection doors
2.13.4.9 Inspection doors in chutes
2.13.4.10 Guarding of openings in floors
2.13.5 Types of guards
2.13.5.1 General
2.13.5.2 Fixed enclosure guard
2.13.5.3 Fixed distance guards
2.13.5.4 Nip point guards
3 Requirements for specific locations
3.1 Tunnels, galleries, pits, confined spaces and hazardous areas
3.1.1 General
3.1.2 Hazardous areas
3.2 Underground coal mines
3.2.1 General
3.2.2 Maximum surface temperature
3.2.3 Light metals
3.2.4 Control of static electricity
3.2.4.1 Anti-static materials
3.2.4.2 Anti-static measures
3.2.5 Hazardous area electrical equipment
3.2.6 Fire resistant materials
3.2.6.1 Non-metallic materials
3.2.6.2 Fluids
3.2.7 Bearing cage materials
3.2.8 Firefighting facilities
3.2.9 Accumulation of combustible materials
4 Installation, commissioning and dismantling
4.1 General
4.2 Commissioning plan
4.3 Commissioning criteria
4.4 Commissioning records
5 Operation
5.1 General
5.1.1 Risk assessment
5.1.2 Operational risk review
5.1.3 Use of conveyors
5.2 Standard operating guidelines
5.2.1 General
5.2.2 Operational procedures
5.2.3 Defects
5.2.4 Access or work in a danger zone
5.2.5 Energy and isolation
5.2.5.1 General
5.2.5.2 Guards
5.2.6 Control operated remote isolating device
5.3 Training
6 Maintenance
6.1 General
6.2 Maintenance management
6.2.1 General
6.2.2 Inspections and tests
6.3 Maintenance procedures
6.3.1 General
6.3.2 Isolation
6.3.3 Removal and replacement of guards
6.3.4 Replacement of rotating elements
6.3.5 Access
6.4 Plant safety file
6.5 Maintenance documentation
Appendix A
A1 References from the text
A2 Related documents
Appendix B
B1 General
B2 Examples of stored energy in conveyor systems
B3 Stored energy hazards
Appendix C
C1 General
C2 Prevention of upper limbs reaching danger zones
C2.1 Reaching up
C2.2 Reaching down and over protective structures
C2.3 Reaching around with upper limbs
C2.4 Reaching under
C3 Reaching through regular openings
C4 Lower limb reach distance
C4.1 General
C4.2 Reaching in and through regular openings
C5 Minimum gaps to prevent crushing
Appendix D
Appendix E
E1 Belt conveyors
E1.1 Belt conveyor
E1.2 Fixed belt conveyor
E1.3 Telescopic belt conveyor
E1.4 Steel band conveyor
E2 Disc or button conveyor
E3 Flight conveyor (reciprocating)
E4 Magnetic conveyor
E5 Oscillating conveyor
E6 Reciprocating beam conveyor
E7 Tripper
E8 Vibrating conveyor
E9 Wire mesh belt conveyor
Cited references in this standard
[Current]
Electrical installations (known as the Australian/New Zealand Wiring Rules)
[Superseded]
Electrical equipment for coal mines — Introduction, inspection and maintenance, Part 1: For hazardous areas
[Withdrawn]
Use of colour for the marking of physical hazards and the identification of certain equipment in industry (known as the SAA Industrial Safety Colour Code)
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