A new (future) draft version of the NCC (National Construction Code) is now available for public comment. Comments are due by COB April 13 2018.
To view this document (in PDF format) you may need to login or register at the ABCB (Australian Building Codes Board) website https://www.abcb.gov.au/
Of interest to many involved in lightweight structures, and in particular tension membrane structures, are the new requirements related to fire. These new requirements have been the result of a number of fatal fires in Australia and overseas. See this article for an interim report related to fires and cladding.
An observation is that there seems to be an increasing acceptance of "performance based design" compared with the more traditional "prescriptive" or "deemed to comply" approaches. Indeed there is a separate document produced by the ABCB that may assist in the area of fire issues in larger membrane structures. It is called the "Fire Safety Verification Method proposed for NCC 2019" and can be found under the "resources" section of the ABCB website (see https://www.abcb.gov.au/Resources/Publications/NCC-2019-Public-Comment-Draft/Fire-Safety-Verification-Method-proposed-for-NCC-2019 )