BCA (Volume 1) A0.5 Meeting the Performance Requirements and BCA (Volume 2) 1.0.5 Meeting the Performance Requirements read exactly the same as below *
Compliance with the Performance Requirements can only be achieved by:
(a) complying with the Deemed-to-Satisfy Provisions; or
(b) formulating an Alternative Solution which,
(i) complies with the Performance Requirements; or
(ii) is shown to be at least equivalent to the Deemed-to-Satisfy Provisions; or
(c) a combination of (a) and (b).
*Extract from the Building Code of Australia (BCA)