Part 9.4 Fire protection of garage top dwellings
9.4.1
Walls requiring protection
2019: 3.7.4.2
- any wall separating parts of the Class 1a dwelling from the private garage not associated with the dwelling must comply with (2); and
- any private garage associated with and located below the Class 1a dwelling must be separated from the private garage not associated with the dwelling by a wall complying with (2).
- have either—
- an FRL of not less than 60/60/60 when tested from the private garage associated with another dwelling side; or
- be of masonry construction not less than 90 mm thick; and
- commence at the footings or ground slab; and
- extend to the underside of a separating floor complying with 9.4.2; and
- comply with 9.3.1(2) to (5) and 9.3.2 as applicable.
9.4.2
Separating floors
2019: 3.7.4.3
- be a floor/ceiling or floor/soffit system incorporating a ceiling or soffit which has a resistance to the incipient spread of fire to the space above itself of not less than 60 minutes; or
- have an FRL 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, if the floor is combustible or of metal.
Notes
Figure 9.4.2 illustrates requirements of this provision.
Figure Notes
- For floor/ceiling protection, see 9.4.1(2)(c) and 9.4.2.
- For FRL for direct supporting part, see 9.4.2(2).
- For FRL for wall separating parts of the Class 1a dwelling from the non-associated private garage, see 9.4.1(1).