ABCB – Evidence of Suitability Handbook

A building and plumbing or drainage installation must be constructed using materials, products, plumbing products, forms of construction and designs, fit for their intended purpose to achieve the relevant requirements of the National Construction Code (NCC).


This non-mandatory Handbook provides details about how to satisfiy these Evidence of Suitability provisions in the NCC.

It includes an evidence of suitability framework and a decision flow chart to assist in the correct use of the evidence of suitability provisions of the NCC.

ABCB – Evidence of Suitability Handbook