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Specifies minimum requirements for the materials, design, fabrication, testing, inspection, reports and pre-commissioning of piping subject to internal or external pressure.

Specifies requirements relating to the optimum thermal resistance of insulation for rigid and flexible ductwork and associated fittings used in heating, airconditioning and evaporative cooling systems of buildings and dwellings.

Specifies requirements for the information to be provided for the approval of fire sprinkler systems in accordance with AS 2118.1 and wall wetting sprinkler systems in accordance with AS 2118.2.

Specifies the requirements for the construction and performance of alarm valves (wet), for use in fire sprinkler systems.

Sets out requirements for low-pressure flexible hose assemblies for use with medical gases; design, performance, identification and testing of low pressure flexible connecting assemblies used for conveying the medical gases at positive pressures up to 1400 kPa, and negative pressures not exceeding -95 kPa, are specified; flexible hoses used in fixed secondary equipment are not dealt with in this Standard; does not apply to manufacturer specific hoses provided by manufacturers of surgical tools as an integral part for use in the sterile operating area.

Specifies the construction, performance and testing requirements for pressure-reducing valves used in automatic fire sprinkler systems.

Specifies requirements for the design, installation and commissioning of wall wetting sprinkler systems where the exposure protection requirements of AS 2118.1 do not apply; intended to provide automatic external and/or internal protection to the unprotected infills of a building.

This Amendment applies to the following elements of AS 3958:2023: Figures 3.3.3.1, 3.3.3.2, 3.3.4.1, 3.3.5.1, 5.4.7.3(D) and the Bibliography.

This Standard sets out requirements for the design, commissioning, performance and compliance testing of secondary treatment systems (STS) and advanced secondary treatment systems designed to treat domestic wastewater. The design hydraulic treatment capacities that may be tested in accordance with this Standard range from a minimum of 1200L/d to a maximum of 5000L/d. Guidance on installation, operation and maintenance is also provided.

Specifies requirements for the performance, design, installation and testing of domestic greywater treatment systems (DGTS) and associated fittings for single domestic dwellings where adequate backflow protection is provided in accordance with AS/NZS3500.1.