AS 4055, 4th – Wind loads for housing

AS 4055 specifies site wind speed classes for determining design wind speeds and wind loads

for NCC Class 1 and 10a buildings within the geometric limits given in Clause 1.2. The classes are for use

in the design of housing and for design, manufacturing and specifying of building products and systems

used for housing.

Wind loads for NCC Class 1 and 10a buildings that are not within the geometric limits given in Clause 1.2

and other NCC building classes, i.e. Class 2 to 9 buildings, are outside the scope of this document.

NOTE 1 Commentary on the clauses of this document is given in Appendix A.

NOTE 2 A worked example for the determination of topography is given in Appendix B.

NOTE 3 Worked examples for the determination of terrain category and shielding class are given in Appendix C.

NOTE 4 A worked example for racking forces is given in Appendix D.

NOTE 5 Refer to AS/NZS 1170.2 for buildings that are outside the geometric and other limitations of

this document.

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