NSW 1.1 Garage Top Dwellings Acceptable Construction Practice
NSW 1.1.0 Definitions
NSW 1.1.1 Fire separation
NSW 1.1.2 Construction of floors
have an FRL of not less than 30/30/30 when tested from the underside; or
have a fire-protective covering on the underside of the floor, including beams incorporated in it; or
be a floor/ceiling system incorporating a ceiling which has a resistance to the incipient spread of fire to the space above itself of not less than 60 minutes.
Where a floor subject to (a)(i) depends on direct vertical or lateral support from another part to maintain its FRL, that supporting part must have an FRL of not less than 30/-/-.
Where a service passes through a floor referred to in (a), the penetration must not reduce the fire performance of the floor or covering.
NSW 1.1.3 Construction of walls
have an FRL of not less than 30/30/30 when tested from the non-appurtenant private garage side; or
be of masonry construction not less than 90 mm thick.
A wall subject to (a) must—
commence at the footings or ground slab; and
extend to the underside of a floor complying with NSW 1.1.2.
Where a service passes through a wall referred to in (a), the penetration must not reduce the fire performance of the wall.
NSW 1.1.4 Heat alarms
A heat alarm required by (a) must—
be located on or near the ceiling; and
comply with AS 1603.3; and
be connected to the consumer mains power supplying the garage top dwelling where consumer mains power is supplied to the building; and
a heat alarm is installed in the non-appurtenant private garage; and
the heat alarm is interconnected to the garage top dwelling smoke alarms.