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9.4

NSW Part 9.4 Fire protection of garage top dwellings

NSW Part 9.4 Fire protection of garage top dwellings

NSW 9.4.1 Fire separation2019: NSW 1.1.1

(1) A garage top dwelling must be separated from a non-associated private garage by a floor complying with NSW 9.4.2.

(2) Where a garage top dwelling is served by an internal stair, the garage top dwelling must be separated from a non-associated private garage by a wall complying with NSW 9.4.3.

(3) Where a garage top dwelling is located above both associated and non-associated private garages—

  1. in addition to a floor required by (1), the private garages must be separated with a wall complying with NSW 9.4.3; or
  2. where a garage top dwelling is not served by an internal stair, the garage top dwelling may be separated from the private garages by a floor complying with NSW 9.4.2.

NSW 9.4.2 Construction of floors2019: NSW 1.1.2

(1) A floor required by NSW 9.4.1(1) or NSW 9.4.1(3)(b) must—

  1. have an FRL of not less than 30/30/30 when tested from the underside; or
  2. have a fire-protective covering on the underside of the floor, including beams incorporated in it; or
  3. 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.

(2) Where a floor subject to (1)(a) 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/-/-.

(3) Where a service passes through a floor referred to in (1), the penetration must not reduce the performance of the floor or covering.

NSW 9.4.3 Construction of walls2019: NSW 1.1.3

(1) A wall required by NSW 9.4.1(2) or NSW 9.4.1(3)(a) must—

  1. have an FRL of not less than 30/30/30 when tested from the non-associated private garage side; or
  2. be of masonry construction not less than 90 mm thick.

(2) A wall subject to (1) must—

  1. commence at the footings or ground slab; and
  2. extend to the underside of a floor complying with NSW 9.4.2.

(3) A wall referred to in (1)(a), if of lightweight construction must be tested in accordance with Specification 6 of Volume One.

(4) Where a service passes through a wall referred to in (1), the penetration must not reduce the performance of the wall.

(5) A wall required by NSW 9.4.1(2) or NSW 9.4.1(3)(a) need not comply with 9.3.1.