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Assists in understanding the energy efficiency provisions in NCC Volume Two that apply to houses.

Explains how NatHERS assessments work and is an essential tool for NatHERS assessors.

Assists in understanding the energy efficiency provisions in NCC Volume One that apply to Class 2 apartment buildings.

Specifies common plumbing and drainage terms and associated definitions used in areas of the plumbing and drainage sector including product manufacturing specifications, design and installation standards (such as the AS/NZS 3500 series) and regulatory documents.

Specifies requirements for the design, installation and commissioning and testing of fire hydrant installations that are used for the protection of buildings, structures, storage yards, marinas and associated moored vessels, wharves, and plant.

Specifies requirements for distribution, location and installation of fire hose reels.

Specifies requirements and means of conformance for the design, installation and commissioning of LP Gas installations in caravans and boats for non-propulsive purposes.

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

AS/NZS 5601.1:2022 is amended as follows.

AS/NZS 3500.4:2025 specifies the requirements for the design, installation and commissioning of heated water services using drinking water or rainwater or a combination thereof. It includes aspects of the installation from the valves on the cold-water inlet to any cold-water storage tank or water heater and the downstream fixtures and fittings. It applies to new installations as well as alterations, additions and repairs to existing installations