NCC 2022 Volume One - Building Code of Australia Class 2 to 9 buildings
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Specification 4 Design of buildings in cyclonic areas

WA S4C1 Scope2019: Spec B1.2: 1

Delete subclause S4C1(2) and insert WA S4C1(2) as follows:

(2) For the purposes of Specification 4, cyclonic areas are those determined as being located in wind Regions B2, C and D in accordance with AS/NZS 1170.2.