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Sets out a classification scheme for wiring systems according to their resistance to the hazards of fire and mechanical damage.

Provides standardized requirements for the performance testing, manufacture and installation of flexible ducts.

How and when to prepare and use a crystalline silica hazard control statement (hazard control statement) for high risk crystalline silica work (HRCSW).

The national workplace exposure standard for respirable crystalline silica has been halved from an eight hour time-weighted average airborne concentration of 0.1 milligrams per cubic metre (mg/m3) to 0.05 mg/m3; this new workplace exposure standard takes effect in Queensland from 1 July 2020.

Silicosis is preventable by using proper controls to eliminate or minimise expo sure to respirable crystalline silica dust in the workplace.

Sets out requirements for the safety aspects, construction, testing and certification, operation and maintenance of non-flammable medical gas pipeline systems used for patient care, operating surgical tools, and therapeutic and diagnostic purposes; the supply of oxygen from pressure swing absorption, oxygen concentrators and similar techniques is not covered in this Standard; the supply of synthetic air from proportioning units is not covered in the Standard.

AS 4023.3 specifies the minimum requirements for field-testing, maintenance and replacement of thermostatic mixing valves, tempering valves, thermostatically controlled taps and end-of-line temperature-actuated devices

Provides requirements and guidance on the application, selection and installation of bursting discs and bursting disc devices.

Sets out the requirements for the design and installation of deluge fire sprinkler systems to protect hazardous installations in buildings.