The National Construction Code (NCC) sets out the objective, functional statement and requirements to safeguard occupants from injury by being made aware of the emergency by; (1) warning occupants to evacuate; and (2) managing the evacuation process in a building.
In general terms, Australian Standard AS 1670.1 covers the design and installation of a building occupant warning system in certain building classifications, while AS 1670.4 covers emergency warning and intercom systems in buildings.