Standard
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AS/NZS 4024.3704:2024
[Current]Safety of machinery, Part 3704: Rail dependent storage and retrieval equipment - Safety requirements for S/R machines (EN 528:2021+A1:2022, MOD)
AS/NZS 4024.3704:2024 adopts and modifies EN 528:2021+A1:2022, which specifies all significant hazards relevant to rail dependent storage and retrieval equipment, when they are used under the conditions intended by the manufacturer including reasonably foreseeable misuse.
Published: 19/04/2024
Pages: 101
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
1 Scope
2 Normative references
3 Terms and definitions
4 Safety requirements and/or protective/risk reduction measures
4.1 General
4.2 Control position
4.2.1 General
4.2.2 Access to and egress from the permanent on-board control position
4.2.3 Floor of the on-board control position
4.2.4 Design and dimensioning of permanent on-board control position
4.2.4.1 Ergonomic principles
4.2.4.2 Safeguard operator against falling risks
4.2.4.3 Overhead protection
4.2.4.4 Structure
4.2.5 Emergency call device on permanent on-board control positions
4.2.6 Lighting on permanent on-board control position
4.3 Control equipment
4.3.1 General
4.3.2 Safeguard of the operator on a permanent on-board control position
4.3.3 Prevention of unauthorised operation (equipment switch)
4.3.4 Changing mode of operation (mode switch)
4.3.5 Key dependence
4.3.6 Control devices for powered movements
4.3.7 Control device identification
4.3.8 Stop function
4.3.8.1 Stop categories
4.3.8.2 Initiation of the stop-function
4.3.9 Emergency stop function
4.3.9.1 General
4.3.9.2 Location of actuators
4.3.9.3 Electronic devices
4.3.10 Safety requirements related to EMC
4.4 Hoist unit
4.4.1 Hoist unit brake
4.4.1.1 General
4.4.1.2 Acceleration and deceleration at permanent on-board control position
4.4.1.3 Arrangement
4.4.1.4 Manual brake release lever
4.4.2 Limitation of the lifting and lowering movement
4.4.3 Overload and slack condition protection
4.4.3.1 Overload protection
4.4.3.2 Slack condition protection
4.4.4 Safety gear and overspeed governor
4.4.4.1 General
4.4.4.2 Operation of the safety gear
4.4.4.3 Function of several safety gears
4.4.4.4 Breakage of or slackness in the overspeed governor rope or chain
4.4.4.5 Lead-screw drives or direct acting hydraulic drives
4.4.5 Suspension elements
4.4.5.1 General
4.4.5.2 Steel wire rope
4.4.5.2.1 General
4.4.5.2.2 Size, strength and construction of wire ropes
4.4.5.2.3 Rope drums
4.4.5.2.4 Ratio of the diameter of pulleys and drums
4.4.5.2.5 Equalization of the tension
4.4.5.2.6 Visual examination
4.4.5.2.7 Rope terminations
4.4.5.2.8 Prevention of unintentional displacement
4.4.5.2.9 Protection against falling objects
4.4.5.3 Chain
4.4.5.3.1 General
4.4.5.3.2 Size, strength and construction
4.4.5.3.3 Equalization of the tension of several chains
4.4.5.3.4 Connection between the chain and chain fixing
4.4.5.3.5 Visual examination
4.4.5.3.6 Prevention of unintentional displacement
4.4.5.3.7 Protection against falling objects
4.4.5.4 Belt
4.4.5.4.1 General
4.4.5.4.2 Size, strength and construction
4.4.5.4.3 Equalization of the tension of several belts
4.4.5.4.4 End fixings
4.4.5.4.5 Pre-tensioning, axial alignment, pulleys and end fixings
4.4.5.4.6 Visual examination
4.4.5.4.7 Prevention of unintentional displacement
4.4.5.4.8 Protection against falling objects
4.4.6 Hydraulic drives
4.4.6.1 General
4.4.6.2 Hoses
4.4.6.3 Pressure relief valve
4.4.6.4 Prevention of lowering of the on-board control position
4.4.6.5 Parts of the lifting units which enter racks
4.4.6.6 Auxiliary hoist units
4.4.6.7 Cushion cylinder
4.4.7 Lead-screw drive
4.4.7.1 General
4.4.7.2 Lead-screw mechanism
4.4.7.3 Safety nut
4.4.7.4 Inspection of the load bearing nut
4.4.7.5 Lead-screw devices
4.4.8 Rack and pinion drives
4.4.8.1 General
4.4.8.2 Driving pinion
4.4.8.3 Visual examination of the pinions
4.5 Travel unit of the S/R machine
4.5.1 Travel unit braking system
4.5.1.1 General
4.5.1.2 Acceleration and deceleration at permanent on-board control position
4.5.1.3 Additional braking system
4.5.1.4 Machines with front and rear drive units
4.5.1.5 Self-acting parking brake
4.5.2 Speed reducing system
4.5.3 Limitation of travel
4.5.4 Anti-derailment devices
4.5.4.1 General
4.5.4.2 Rail junctions
4.5.4.3 Prevention from dropping
4.5.5 Stability
4.6 Load handling devices
4.6.1 Load stability
4.6.2 Determination of possible impacts on the rack
4.6.3 Rotating devices
4.6.4 Interlocking functions
4.6.5 Auxiliary handling equipment
4.6.6 Load position monitoring
4.6.7 Satellites
4.7 Electrical equipment
4.7.1 General
4.7.2 Electrical supply conditions
4.7.3 Environment
4.7.4 Supply disconnecting (isolating) device
4.7.4.1 General
4.7.4.2 Type
4.7.4.3 Means of disconnection for maintenance areas
4.7.4.4 Unintended connection
4.7.4.5 Unexpected start up, disconnection and unauthorised, inadvertent and/or mistaken connection
4.7.5 Protection against electric shock
4.7.6 Suspension of safeguarding
4.7.7 Overriding of safety functions
4.8 Transfer device
4.8.1 General
4.8.2 Retention of position
4.8.3 Movement
4.8.4 Interlocking functions
4.8.5 Stability
4.9 Maintenance repair and fault clearance
4.9.1 General
4.9.2 Maintenance position
4.9.2.1 General
4.9.2.2 Additional persons on lifting carriage
4.9.2.3 Movements with person on ladder opposite to the LHD
4.9.3 Emergency control position
4.9.4 Speed limitation
4.9.5 Communication
4.9.6 Protection from operating machines (S/R machines and its transfer equipment)
4.9.7 Access along the mast
4.9.7.1 General
4.9.7.2 Climb assistance system
4.9.7.3 Powered Access cabin
4.10 Machine environment
4.10.1 General
4.10.2 Communication of force information
4.10.3 Safety clearances
4.10.4 Safeguarding of persons (Limiting access)
4.10.4.1 General
4.10.4.2 Enclosure, doors and/or removable panels
4.10.4.3 Means of separation within racking
4.10.4.4 Correct entry/exit procedure
4.10.5 Load entry / exit points
4.10.5.1 General
4.10.5.2 Load entry / exit points at manually operated picking workplaces
4.10.5.3 High-level-P&D stations
4.10.6 Escape from dangerous areas
4.10.6.1 Leaving of the aisle
4.10.6.2 Leaving for emergency purposes
4.10.6.3 Escape routes which cross aisles
4.10.7 Protection against unintentional load movement
4.10.7.1 General
4.10.7.2 Prevention against load/satellite falling into adjacent automatically operated aisles
4.10.7.3 Prevention against load/satellite falling into other areas accessible to persons
4.10.7.4 Vibration of the rack
4.10.8 Protection against falling
5 Verification of safety requirements and/or measures
5.1 Examination
5.1.1 General
5.1.2 Movements to be done
5.1.3 Test of the safety gear
5.1.4 Verification of the mechanical limits of travel
5.1.5 Test of the lowering control valve
5.1.6 Written record
5.2 EMC
5.3 Noise
5.3.1 General
5.3.2 Noise measurement
5.3.2.1 General
5.3.2.2 Fully automatic machines
5.3.2.3 Machines with permanent on-board operator
5.3.3 Declaration
5.4 Load tests
5.4.1 Test load
5.4.2 Static load test
5.4.3 Dynamic load test
5.4.4 Load test record
6 Information for use
6.1 General
6.2 Erection on site
6.3 Commissioning
6.3.1 Method statement
6.3.2 Instructions
6.3.3 Training
6.3.4 Safety devices
6.3.5 Individual elements of the machine
6.3.6 Integrated commissioning
6.4 Normal operation
6.4.1 General
6.4.2 Operation and use
6.4.3 Maintenance, repair and fault-clearing
6.4.4 Spare parts
6.4.5 Certification of suspension elements
6.4.6 Noise declaration
6.4.7 Test report
6.4.8 Minimum markings
6.4.8.1 Identification plate
6.4.8.2 Carrying capacity
6.4.8.3 Operating instructions
6.4.8.4 Warning signs
6.4.9 Conditions for the safe operation of equipment
6.4.9.1 General
6.4.9.2 Intended use
6.4.9.3 Operator
6.4.9.4 Number of persons on-board
6.4.9.5 Behaviour in case of failures
6.4.9.6 Checking the aisle
6.4.9.7 Access to the aisles
6.4.9.8 Permit to work system
6.4.9.9 Proper working safety devices
6.4.9.10 Maximum permissible load
6.4.9.11 Load
6.4.9.12 Free travel area
6.4.9.13 Safe key procedure
6.4.9.14 Only one key
6.4.9.15 Entering the permanent on-board control position
6.4.9.16 Emergency
6.4.9.17 Emergency procedures
6.4.9.18 Defective load
6.4.9.19 Safe leaving of the machine
6.4.9.20 Person on the lifting carriage
6.4.9.21 Regular testing
6.5 Fault finding/troubleshooting
6.5.1 General
6.5.2 Description of safe access and egress to trouble points on the S/R machine
6.5.3 Description of safe access and egress to trouble points at the interface between S/R machine and racking
6.5.4 Description of safe access and egress to trouble points at the interface between the S/R machine and the conveying system
6.5.5 Training
6.6 Rescue of persons
6.7 Maintenance, inspection, testing and training
6.7.1 General
6.7.2 Maintenance
6.7.2.1 Regular intervals
6.7.2.2 Safe maintenance
6.7.2.3 Maintenance staff
6.7.2.4 Records
6.7.2.5 Main isolator
6.7.2.6 Avoid electric hazards
6.7.2.7 Safe working
6.7.2.8 Damage found during maintenance work
6.7.2.9 Two or more machines on one rail
6.7.2.10 Machine recovery
6.7.3 Periodic maintenance and testing
6.7.3.1 Minimum maintenance
6.7.3.2 Test after works
6.7.3.3 Written records
6.7.3.4 Date of next inspection
6.7.3.5 Limited lifetime components
6.7.4 Training
6.8 Dismantling
Appendix A
Appendix B
Appendix C
C.1 General
C.2 Preventing access besides the conveyor
C.2.1 Preventing access between conveyor and fixed guards
C.2.2 Preventing access between conveyor tracks
C.3 Preventing access under the conveyor
C.4 Preventing access over the conveyor
C.4.1 General
C.4.2 Preventing access by limited opening height and tunnels
C.4.3 Preventing access by minimum height of conveying level
C.4.4 Preventing access by design of gravity roller conveyor
C.4.5 Preventing access by mechanical guards
C.5 Stopping the dangerous movement of the S/R-machines
C.6 Additional organizational measures
Appendix D
Appendix E
Appendix F
Appendix ZA
Bibliography
Appendix ZZ
ZZ.1 Scope
ZZ.2 Modifications
Cited references in this standard
EN ISO 14122-4:2016
Safety of machinery — Permanent means of access to machinery — Part 4: Fixed ladders (ISO 14122‑4:2016)
EN ISO 14122-3:2016
Safety of machinery — Permanent means of access to machinery — Part 3: Stairs, stepladders and guard-rails (ISO 14122‑3:2016)
EN ISO 14122-2:2016
Safety of machinery — Permanent means of access to machinery — Part 2: Working platforms and walkways (ISO 14122‑2:2016)
EN ISO 14122-1:2016
Safety of machinery — Permanent means of access to machinery — Part 1: Choice of fixed means and general requirements of access (ISO 14122‑1:2016)
Content history
DR AS/NZS 4024.3704:2023
EN 528:2021+A1:2022
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