Four wind classifications are covered including N1, N2, N3 and N4. Part 3 Cyclonic Areas AS Wind classifications covered are C1, C2 and C3. On some situations it will provide more conservative solutions.
The scope of Part 4, including house geometry and range of stress grades is also more limited. AS User Guide 1 - Nominal vs specific fixings - unless otherwise specified in the Standard, specific fixings shall be in addition to nominal fixing. Explanations and examples are provided. AS User Guide 2 - Temporary bracing - information is provided on how to achieve temporary bracing requirements during the construction process. AS User Guide 3 - Simplified tie-down details for coupled roofs - simplified tie-down details are provided for coupled roofs where nominal nailing alone is not adequate to resist the net uplift on the roof.
AS User Guide 4 - External wall heights - recommendations are provided for extending the use of the Standard to cover wall height up to mm.
The requirements or recommendations contained in published Standards are a consensus of the views of representative interests and also take account of comments received from other sources.
They reflect the latest scientific and industry experience. Australian Standards are kept under continuous review after publication and are updated regularly to take account of changing technology.
International Involvement Standards Australia is responsible for ensuring the Australian viewpoint is considered in the formulation of International Standards and that the latest international experience is incorporated in national Standards. This role is vital in assisting local industry to compete in international markets.
Maximum Roof Load Width mm Sheet Roof Tile Roof Stud Spacing mm NS NS 5 5 NS NS NS 5 10 5 15 10 15 5 NS NS 5 10 5 10 Maximum Ceiling Joist Span mm Continuous Span NS NS NS NS NS NS NS Tile Roof NS NS NS 5 5 10 5 10 NS NS NS 10 5 10 5 15 5 15 10 10 NS NS NS NS 10 5 15 5 15 5 20 10 15 NS NS NS 10 10 5 15 5 15 10 15 NS NS 5 5 10 5 15 5 20 15 5 20 10 NS 5 5 15 5 10 Tile Roof NS NS NS NS Floor Load Width mm First published as AS Span C'lever Single Span Sheet Roof Tile Roof NS NS Span C'lever Continuous Span For guidance on determination of roof mass, refer to Appendix A.
Subscript values, where applicable, indicate the minimum additional bearing length where required to be greater than 50 mm at end supports and mm at internal supports. Sheet Roof NS Tile Roof NS NS NS NS 5 Roof Load Width mm Maximum Bearer Span mm Span C'lever Span C'lever Single Span Continuous Span For bearer supporting decks over mm above ground, refer to Table Stud Spacing mm Stud Spacing mm For guidance on roof and ceiling mass refer to Appendix A. Open navigation menu.
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