NCC 2022 Volume One - Building Code of Australia Class 2 to 9 buildings
Classification
Building class 1a Building class 1b Building class 2 Building class 3 Building class 4 Building class 5 Building class 6 Building class 7a Building class 7b Building class 8 Building class 9a Building class 9b Building class 9c Building class 10a Building class 10b Building class 10c

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Classification
Building class 1a Building class 1b Building class 2 Building class 3 Building class 4 Building class 5 Building class 6 Building class 7a Building class 7b Building class 8 Building class 9a Building class 9b Building class 9c Building class 10a Building class 10b Building class 10c

C2

Part C2 Fire resistance and stability

Part C2 Fire resistance and stability

NSW C2D11 Fire hazard properties2019: C1.10 and NSW C1.10

Delete clause C2D11 and insert NSW C2D11 as follows:

(1) The fire hazard properties of the following internal linings, materials and assemblies within a Class 2 to 9 building must comply with Specification 7:

  1. Floor linings and floor coverings.
  2. Wall linings and ceiling linings.
  3. Air-handling ductwork.
  4. Lift cars.
  5. In Class 9b buildings used as—
    1. an entertainment venue, a material used to cover closed back upholstered seats; and
    2. a public hall or the like, a proscenium curtain required by Specification 32.
  6. Escalators, moving walkways and non-required non fire-isolated stairways or pedestrian ramps subject to Specification 14.
  7. Sarking-type materials.
  8. Attachments to floors, ceilings, internal walls, common walls, fire walls and to internal linings of external walls.
  9. Other materials including insulation materials other than sarking-type materials.

(2) Paint or fire-retardant coatings must not be used in order to make a material comply with a required fire hazard property, except in respect of a material referred to in NSW Specification 7, NSW Table S7C7 and to which Notes 4 and 5 are applicable.

(3) The requirements of (1) do not apply to a material or assembly if it is—

  1. plaster, cement render, concrete, terrazzo, ceramic tile or the like; or
  2. a fire-protective covering; or
  3. a timber-framed window; or
  4. a solid timber handrail or skirting; or
  5. a timber-faced door; or
  6. an electrical switch, socket-outlet, cover plate or the like; or
  7. a material used for—
    1. a roof insulating material applied in continuous contact with a substrate; or
    2. an adhesive; or
    3. a damp-proof course, flashing, caulking, sealing, ground moisture barrier, or the like; or
  8. a paint, varnish, lacquer or similar finish, other than nitro-cellulose lacquer; or
  9. a clear or translucent roof light of glass fibre-reinforced polyester if—
    1. the roof in which it is installed forms part of a single storey building required to be Type C construction; and
    2. the material is used as part of the roof covering; and
    3. it is not closer than 1.5 m from another roof light of the same type; and
    4. each roof light is not more than 14 m2 in area; and
    5. the area of the roof lights per 70 m2 of roof surface is not more than 14 m2; or
  10. a face plate or neck adaptor of supply and return air outlets of an air handling system; or
  11. a face plate or diffuser plate of light fitting and emergency exit signs and associated electrical wiring and electrical components; or
  12. a joinery unit, cupboard, shelving, or the like; or
  13. an attached non-building fixture and fitting such as—
    1. a curtain, blind, or similar decor, other than—
      1. a proscenium curtain required by Specification 32; or
      2. in a Class 9b building used as an entertainment venue, a material regulated under NSW Table S7C7; and
    2. a whiteboard, window treatment or the like; or
  14. timber treads, risers, landings and associated supporting framework installed in accordance with D3D30 where the Spread-of-Flame Index and the Smoke-Developed Index of the timber does not exceed 9 and 8 respectively; or
  15. any other material that does not significantly increase the hazards of fire.