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Sets out requirements and means of conformance for the design, installation and commissioning of gas installations that are associated with the use or intended use of fuel gases such as natural gas, LP Gas, or biogas.

Outlines minimum requirements for the testing and maintenance of testable backflow prevention devices in the field.

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.

Specifies requirements for the design and installation of sanitary plumbing and drainage from fixtures to a sewer, common effluent system or an on-site wastewater management system, as appropriate. It applies to new installations as well as alterations, additions or repairs to existing installations.

Specifies requirements for the design, installation and commissioning of cold water services from a point of connection to the points of discharge, and for non-drinking water from a point of connection to the points of discharge.