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To assist the industry preparing for changes coming in on 1 May 2023, reduce the risk of non-compliant installation of waterproofing systems, and provide an understanding of the key changes for waterproofing for NCC 2022.

The purpose of the OGA’s General Design Standard is to formalise a set of objective, minimum provisions for design quality to use in the delivery of all public works.

This Certifier Practice Standard is prepared by the Commissioner for Fair Trading under section 14 of the Building and Development Certifiers Act 2018 (B&DC Act); Section 14 provides that a registered certifier’s conditions of registration may require the certifier to carry out certification work in accordance with specified standards or methodologies prepared by the Commissioner.

This information is for general application, for specific instances a Certifier should be consulted.

Provides guidance to inspecting persons (e.g. building certifiers and competent persons) and builders about how to meet their inspection responsibilities under the Building Act 1975 (BA) and the Building Regulation 2021 (BR).

Covering the design and construction of multi-residential, commercial, industrial and public assembly buildings.

Covering the design and construction of smaller scale buildings including houses, small sheds, carports and some associated structures.

Covering the design, construction and maintenance of plumbing and drainage systems in new and existing buildings.

A companion manual to Volume One. It is intended as a reference book for people seeking clarification, illustrations, or examples

This Guide is intended to supplement to the "Criteria for the Passive House, EnerPHit and PHI Low Energy Building Standards" ("Criteria") published by the Passive House Institute and posted online; it explains the Criteria's requirements given here in a brief and precise manner.