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Provides a process for engineering the design of fire safety Performance Solutions. The document provides the flexibility required to develop Performance Solutions while still maintaining the level of safety required by the NCC.

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

AS/NZS 3500.2:2021 is amended as follows.

Amendment to AS/NZS 3500.1:2021.

Contains Deemed-to-Satisfy Provisions that are considered to be acceptable forms of construction that meet the requirements for complying with Parts H1 to H8 of NCC Volume Two.

Assists in understanding the Verification Methods for building in bushfire prone areas in NCC Volumes One and Two (G5V1 in NCC Volume One and H7V2 in NCC Volume Two).

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

Assists in understanding the condensation requirements in NCC 2022 Volumes One and Two

Assists in understanding the indoor air quality (IAQ) Verification Methods in NCC Volumes One and Two (F6V1 and F6V2 in NCC Volume One and H4V3 of NCC Volume Two).

The Nationwide House Energy Rating Scheme, or NatHERS, is being expanded to include Whole of Home assessments and ratings to support the proposed National Construction Code energy efficiency requirements for residential buildings in 2022; the changes will help households improve a home's energy efficiency and reduce energy use, which provides a range of benefits including lower energy bills, improved comfort and health for occupants, and reduced carbon emissions.