AS 1684.4 provides simpler design procedures than those contained in Part 2, for N1/N2 wind classifications only. 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. Span tables are printed within this part. Details of the standards must be obtained from Standards Australia.
Due to wide use of the Standard and new residential designs not covered by the Standard, further amendments or additions are necessary to maintain the Standard's relevancy. Users of the Standard should ensure that they refer to the latest edition.
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