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AS/NZS 3500.3:2025 specifies the requirements for materials, design, installation and testing of roof drainage systems, surface drainage systems and subsoil drainage systems to a point of connection

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).

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.

These requirements are additional to the NATSPEC Simple Domestic specification requirements and if differences in interpretation between the two should arise then these requirements take precedence.

Sets out the requirements for materials, design, installation and testing of roof drainage systems, surface drainage systems and subsoil drainage systems to a point of connection.

All proposals shall comply with this Minimum Design and Construction Specification (MDCS) together with any additional requirements issued by the Principal with the tender call and any encumbrances, building envelopes, Building Guidelines and Council requirements to which the proposed land is subject.