Standard
Track updates
AS/NZS 1576.1:2019
[Current]Scaffolding, Part 1: General requirements
This Standard sets out design and operational requirements for scaffolding systems, scaffolding equipment and scaffolds. It includes specifications for catch platforms erected on scaffolds and covers temporary stairways for use on a general construction site.
Published: 04/03/2019
Pages: 64
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 Terms and definitions
1.4 Types of scaffold
1.5 Marking requirements for scaffolding equipment
1.5.1 General scaffolding equipment
1.5.2 Minor scaffolds
1.6 Product information
1.6.1 Documented information
1.6.2 Labelled information
1.6.3 Labels
1.7 Alternative design methods and materials
2 Design requirements
2.1 Scope of section
2.2 System design methods
2.2.1 General
2.2.2 Theoretical analysis
2.2.3 Testing
2.3 Material and tube combinations
2.4 System combinations
2.5 Actions
2.5.1 General
2.5.2 Permanent actions
2.5.3 Imposed actions
2.5.3.1 Duty actions
2.5.3.1.1 General
2.5.3.1.2 Categories
2.5.3.1.3 Concentrated loads
2.5.3.1.4 Access platform
2.5.3.1.5 Ladder landing bay
2.5.3.1.6 Ladder hatches
2.5.3.2 Component-imposed actions
2.5.3.3 Stair systems
2.5.3.3.1 General
2.5.3.3.2 Design of an individual tread and a landing
2.5.3.3.3 Design of stair stringers
2.5.3.3.4 Movement of mobile scaffolds
2.5.4 Environmental actions
2.6 Installation design
2.6.1 General
2.6.2 Combining platform loadings for a scaffold bay
2.6.3 Provision of information
2.7 Combinations of actions
2.7.1 General
2.7.2 Strength
2.7.3 Stability
2.7.3.1 Duty-rated scaffolds
2.7.3.2 Single bay tower scaffolds
2.7.4 Serviceability
2.8 Design considerations
2.8.1 Materials
2.8.1.1 General
2.8.1.2 Identification of materials
2.8.2 Structural analysis
2.8.2.1 General
2.8.2.2 Working load limit (WLL)
2.8.3 Eccentricity
2.8.3.1 General
2.8.3.2 Eccentricity of load
2.8.3.3 Eccentricity at joints
2.8.3.4 Inclinations between vertical components
2.8.4 Anchorage and tie assemblies
2.8.4.1 General
2.8.4.2 Location
2.8.4.3 Tie arrangement
2.8.4.4 Concrete anchors
2.8.4.5 Ties to masonry and other substrates
2.8.4.6 Anchors for rakers
2.8.5 Ropes and chains
2.8.5.1 Steel wire rope
2.8.5.2 Fibre rope
2.8.5.3 Steel chain
2.9 Supporting structure
2.10 Check couplers
3 Operational requirements
3.1 Scope of section
3.2 Erection tolerance
3.3 Soleplates
3.4 Platforms
3.5 Working platform
3.6 Bay extension platform
3.6.1 General
3.6.2 Location requirements of bay extension platforms
3.7 Bay and platform dimensions
3.7.1 General bay dimensions for working platforms
3.7.2 Bay dimensions for duty-rated working platforms
3.7.2.1 Light duty
3.7.2.2 Medium duty
3.7.2.3 Heavy duty
3.7.2.4 Special duty
3.7.2.5 Boatswain’s chair
3.7.3 Dimensions for access platform
3.7.4 Headroom
3.7.5 Loading platform
3.8 Slope of platforms
3.8.1 Working and closed platforms
3.8.2 Access platform
3.9 Catch platforms
3.10 Edge protection
3.10.1 General
3.10.2 Forms of edge protection
3.10.2.1 General
3.10.2.2 Guardrails
3.10.2.3 Midrails
3.10.2.4 Toeboards
3.10.2.5 Panels
3.10.3 Openings in edge protection
3.10.4 Omission of edge protection
3.10.4.1 From a platform adjacent to the face of a building
3.10.4.2 From a platform adjacent to the floor of a building
3.10.4.3 Stairways and landings
3.10.4.4 Erection platform
3.10.5 Additional protection
3.11 Access
3.11.1 General
3.11.2 Access by climbing end frames
3.11.3 Temporary stairways
3.11.3.1 Temporary stairways for scaffolding and general construction site access
3.11.3.2 Temporary stairways for stretcher access
3.11.4 Handrails
3.11.5 Portable ladders
3.12 Additional requirements for mobile scaffolds
3.12.1 Castors
3.12.2 Other wheels
3.12.3 Supporting structure
3.12.4 Additional bracing
3.12.5 Movement of mobile scaffolds
3.13 Additional requirements for minor scaffolds
3.13.1 General
3.13.2 Minor scaffold access
3.13.2.1 General
3.13.2.2 Access in the form of temporary stairway or ladder
3.13.2.3 Access by climbing end frames
3.14 Minor scaffold supports
3.14.1 General
3.14.2 Footplate on a minor scaffold
3.15 Stability and rigidity of a minor scaffold
3.15.1 Platform proportions
3.15.2 Resistance to collapse
3.16 Wheeled movement of unloaded minor scaffolds
3.16.1 General
3.16.2 Wheels to ease the transport of a disassembled minor scaffold
3.16.3 Wheels to relocate an assembled minor scaffold
3.17 Component modification
3.18 Tube extension
Appendix A
A.1 General
A.2 Steel components
A.3 Cast iron components
A.4 Surface finish of cast iron and steel components
A.5 Steel tube
A.5.1 General
A.5.2 Thin-walled fully or partly open-ended hollow sections
A.5.3 Tube diameters for tube-and-coupler scaffolding
A.5.4 Tube outside diameter used for prefabrication scaffolding
A.5.5 Internal projections
A.5.6 End finish
A.6 Aluminium
A.6.1 Cast components
A.6.2 Wrought components
A.6.3 Tube properties for tube-and-coupler scaffolding
A.6.4 Tube outside diameters
A.6.4.1 Tube outside diameter for tube and coupler scaffolding
A.6.4.2 Tube used for prefabricated scaffolding
A.6.4.3 End finish
A.7 Couplers and accessories
A.8 Structural plywood
A.9 Inspection, repair and maintenance
Appendix B
B.1 General
B.2 Steel components
B.3 Cast iron components
B.4 Steel tube
B.5 Surface finish cast iron and steel components
B.6 Aluminium components
B.6.1 Cast aluminium
B.6.2 Wrought aluminium
B.7 Manufacturing
B.7.1 Sharp edges
B.7.2 Fixings
B.7.3 Welds
Appendix C
Appendix D
Appendix E
E.1 General
E.2 Post-installed anchors
Bibliography
Cited references in this standard
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