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AS 1668.4-2012 The use of ventilation and airconditioning in buildings, Part 4: Natural ventilation of buildings 2012 cover

Standards Australia

Version:  Fourth Edition 2012.  (Available Superseded)
Sets out minimum design requirements for natural ventilation systems that ventilate enclosures and requirements for the ventilation of car parks.
AS/NZS 3500.4:2021 Plumbing and drainage, Part 4: Heated water services 2021 cover

Standards Australia/Standards New Zealand

Version:  Fourth Edition 2021.  (Available Superseded)
Sets out the requirements for the design, installation and commissioning of heated water services using drinking water or rainwater or a combination thereof; includes aspects of the installation from, and including, the valve(s) on the cold water inlet to any cold water storage tank or water heater and the downstream fixtures and fittings; applies to new installations as well as alterations, additions and repairs to existing installations.