2nd edition, amendment 6
Effective on 1 January 2017 until 31 March 2019
Five referenced Standards are updated to the latest versions and consequential changes are made to G13/AS1, G13/AS2 and G13/AS3. Minor changes are made in G13/AS1 relating to air admittance valves.
Cited content in this document can be found on the Building CodeHub website.