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Specifies minimum requirements for the design, installation and commissioning of air-handling and water systems of buildings for the purposes of microbial control. It does not include requirements for refrigerated room airconditioners and non-ducted split systems.

The 2015 edition of AS/NZS 1668.1 is amended as follows.

Specifies the requirements for design, selection, installation, commissioning and maintenance of residential heating and cooling climate control systems.

Specifies requirements for the design, installation and commissioning of a system of sutomatic smoke/heat release vents in conjunction with associated smoke reservoirs in buildings.

AS/NZS 5601.1:2022 is amended as follows.

Sets out procedures for determining wind speeds and resulting wind actions to be used in the structural design of structures subjected to wind actions other than those caused by tornadoes. To be read in conjunction with AS/NZS 1170.0.

Provides users with minimum design parameters and guidelines for determining ventilation rates for general application in buildings

Sets out minimum requirements for the design, construction, installation and commissioning of mechanical smoke control systems in buildings; specific methods of smoke control are defined and the appropriate requirements specified for each.

Sets out basic requirements and good practice for the design, materials, manufacture, examination, testing, installation, conformity assessment, commissioning, operation, inspection, maintenance, repair, alteration and disposal of pressure equipment (boilers, pressure vessels and pressure piping) but excluding gas cylinders; includes detailed requirements for various pressure equipment by direct reference to a range of Australian, New Zealand and other Standards.

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.