AS/NZS 1891.4:2025
Personal equipment for working at height, Part 4: Selection, use and maintenance
The objective of this document is to specify requirements and recommendations for the selection, safe use and maintenance of industrial fall-arrest systems and devices.
A list of all parts in the AS/NZS 1891 series can be found in the Standards Australia online catalogue.
The major changes in this edition are as follows:
- The document has been restructured to improve navigation and eliminate duplication of content.
- The document has been updated to align with AS/NZS 1891.1, AS/NZS 1891.2, AS 1891.3, AS 1891.5, AS 5532 and AS/NZS ISO 22846.
- References to the following documents have been removed:
- AS/NZS 4488.2, which has been superseded by AS/NZS ISO 22846.1 and AS/NZS ISO 22846.2.
- AS 4142.3, which has been withdrawn.
- Additional information is provided for fall clearance calculations, diversion anchors, chemical fasteners, friction fasteners, re-anchoring and the use of work positioning systems.
- Scheduled periodic inspection frequencies have been clarified.
- The hierarchy of fall-protection systems has been clarified.
- Training and competency requirements have been replaced with a training requirements clause and an informative appendix “Recommended training outcomes”. Roles and responsibilities have been removed.
- Recommendations have been included for leading-edge and tie-back lanyard assemblies.
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AS/NZS 1891.4:2025
SA/SNZ - Cover page
Preface
1 Scope and general
1.1 Scope
1.2 Normative references
1.3 Terms and definitions
2 General requirements for selection and safe use
2.1 Hierarchy for selecting fall-protection systems
2.2 Task considerations
2.3 General system type
2.3.1 Configuration of fall-protection systems
2.3.2 Total restraint systems
2.3.3 Restrained fall systems
2.3.4 Limited free-fall systems
2.3.5 Free-fall systems
2.3.6 Restraint technique systems
2.4 Equipment selection due to task and environmental hazards
2.5 Use of fall-protection systems
2.5.1 General principles
2.5.2 Training
2.5.3 Rescue plan
2.5.4 Dropped objects
2.5.5 Working on inclined surfaces
2.5.6 Working on moveable platforms
2.5.7 Product instructions
2.5.8 Labels, signs and markings
3 Anchor selection and use
3.1 General
3.2 Anchor selection
3.2.1 Single-point anchors
3.2.2 Horizontal lifeline and rail systems
3.3 Anchor use
3.3.1 User information
3.3.2 Diversion anchors
3.3.3 Anchor slings
4 Harnesses
4.1 General
4.2 Harness selection
4.2.1 General
4.2.2 Full-body harnesses
4.2.3 Lower-body harnesses
4.2.4 Upper-body assemblies
4.2.5 Combination assemblies
4.3 Harness use
5 Connecting systems
5.1 General
5.2 Types of connecting systems
5.2.1 Lanyards
5.2.2 Fall-arrest devices
5.3 Connecting system selection
5.4 Connecting system use
5.4.1 General
5.4.2 Back hooking
5.4.3 Pole straps
5.4.4 Adjustable lanyards
5.4.5 Fall-arrest devices
6 Connectors
6.1 General
6.2 Types of connectors
6.2.1 Snap hooks
6.2.2 Karabiners
6.2.3 Screwlink connectors
6.3 Compatibility
6.4 Roll out
7 Fall clearance, swing fall and fall distance
7.1 General
7.2 Fall clearance
7.3 Swing fall
7.4 Free-fall distance
8 Traceability, inspection, maintenance and storage of equipment
8.1 Traceability
8.2 Inspection register
8.3 Scheduled periodic inspections
8.4 Inspection criteria
8.4.1 General
8.4.2 Anchors, horizontal lifelines and horizontal rail systems
8.4.3 Harnesses, lanyards and pole straps
8.4.4 Fall-arrest devices
8.4.5 Textile components
8.4.6 Metallic components
8.5 Storage and transportation
8.6 Service and repair
8.7 Removal from service
8.8 Proof testing for chemical fasteners and friction fasteners
8.8.1 General
8.8.2 Single fastener components
8.8.3 Multiple fastener components
8.8.4 Method
8.8.5 Calculations
Appendix A (informative) Total restraint
Appendix B (informative) Recommended training outcomes
Appendix C (informative) Swing fall
Bibliography
Previous versions
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Related Information
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AS/NZS 1891.1:2020
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AS/NZS 1891.2 Supplement 1:2001
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AS/NZS 1891.4:2025
SA/SNZ - Cover page
Preface
1 Scope and general
1.1 Scope
1.2 Normative references
1.3 Terms and definitions
2 General requirements for selection and safe use
2.1 Hierarchy for selecting fall-protection systems
2.2 Task considerations
2.3 General system type
2.3.1 Configuration of fall-protection systems
2.3.2 Total restraint systems
2.3.3 Restrained fall systems
2.3.4 Limited free-fall systems
2.3.5 Free-fall systems
2.3.6 Restraint technique systems
2.4 Equipment selection due to task and environmental hazards
2.5 Use of fall-protection systems
2.5.1 General principles
2.5.2 Training
2.5.3 Rescue plan
2.5.4 Dropped objects
2.5.5 Working on inclined surfaces
2.5.6 Working on moveable platforms
2.5.7 Product instructions
2.5.8 Labels, signs and markings
3 Anchor selection and use
3.1 General
3.2 Anchor selection
3.2.1 Single-point anchors
3.2.2 Horizontal lifeline and rail systems
3.3 Anchor use
3.3.1 User information
3.3.2 Diversion anchors
3.3.3 Anchor slings
4 Harnesses
4.1 General
4.2 Harness selection
4.2.1 General
4.2.2 Full-body harnesses
4.2.3 Lower-body harnesses
4.2.4 Upper-body assemblies
4.2.5 Combination assemblies
4.3 Harness use
5 Connecting systems
5.1 General
5.2 Types of connecting systems
5.2.1 Lanyards
5.2.2 Fall-arrest devices
5.3 Connecting system selection
5.4 Connecting system use
5.4.1 General
5.4.2 Back hooking
5.4.3 Pole straps
5.4.4 Adjustable lanyards
5.4.5 Fall-arrest devices
6 Connectors
6.1 General
6.2 Types of connectors
6.2.1 Snap hooks
6.2.2 Karabiners
6.2.3 Screwlink connectors
6.3 Compatibility
6.4 Roll out
7 Fall clearance, swing fall and fall distance
7.1 General
7.2 Fall clearance
7.3 Swing fall
7.4 Free-fall distance
8 Traceability, inspection, maintenance and storage of equipment
8.1 Traceability
8.2 Inspection register
8.3 Scheduled periodic inspections
8.4 Inspection criteria
8.4.1 General
8.4.2 Anchors, horizontal lifelines and horizontal rail systems
8.4.3 Harnesses, lanyards and pole straps
8.4.4 Fall-arrest devices
8.4.5 Textile components
8.4.6 Metallic components
8.5 Storage and transportation
8.6 Service and repair
8.7 Removal from service
8.8 Proof testing for chemical fasteners and friction fasteners
8.8.1 General
8.8.2 Single fastener components
8.8.3 Multiple fastener components
8.8.4 Method
8.8.5 Calculations
Appendix A (informative) Total restraint
Appendix B (informative) Recommended training outcomes
Appendix C (informative) Swing fall
Bibliography
Previous versions
AS/NZS 1891.4:2025
Online Library subscription information
Online library subscriptions provide a cost-effective solution for organisations of any size to access the latest standards, offering 24/7 access to a personalised catalogue. The service ensures subscribers have have the most up-to-date version of selected standards, incluing automatic updates for any amendments or versions. Pricing is dependent on the chosen standards and the number of concurrent users, with discounts applied from the standards PDF price. For customised subscriptions or further inquiries, contact the Online Library team.