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Specification C1.10 Fire Hazard Properties

1. Scope

This Specification sets out requirements in relation to the Open link in same pagefire hazard properties of linings, materials and assemblies in Class 2 to 9 buildings as set out in Open link in same pageTable 1.

2. Application

Linings, materials and assemblies in Class 2 to 9 buildings must comply with the appropriate provisions described in Open link in same pageTable 1.

Table 1 FIRE HAZARD PROPERTY REQUIREMENTS
Lining, material or assembly Requirement
Floor linings and floor coverings. Open link in same pageClause 3
Wall linings and ceiling linings. Open link in same pageClause 4
Air-handling ductwork. Open link in same pageClause 5
Lift cars. Open link in same pageClause 6
In fire control rooms subject to Specification  E1.8 and fire isolated Open link in same pageexits Open link in same pageClause 7
In Class 9b buildings used as a theatre, public hall or the like—
  1. fixed seating in the audience area or auditorium; and
  2. a proscenium curtain Open link in same pagerequired by Specification H1.3.
Escalators, moving walkways and non-Open link in same pagerequired non-Open link in same pagefire-isolated stairways or pedestrian ramps subject to Specification D1.12.
Open link in same pageSarking-type material .
Attachments to internal floors, walls and ceilings.
Other materials including Insulation.

3. Floor linings and floor coverings

A floor lining or floor covering must have—

(a)

a Open link in same pagecritical radiant flux not less than that listed in Table 2Open link in same page; and

(b)

in a building not protected by a sprinkler system complying with Specification E1.5, a maximum Open link in same pagesmoke development rate of 750 percent-minutes; and

(c)

a group number complying with Open link in same pageClause 6(b), for any portion of the floor covering that is continued more than 150 mm up a wall.

Table 2 CRITICAL RADIANT FLUX (CRF in kW/m 2 ) OF FLOOR MATERIALS AND FLOOR COVERINGS

Class of building General Fire-isolated exits and fire control rooms
Building not fitted with a sprinkler system complying with Specification E1.5 Building fitted with a sprinkler system complying with Specification E1.5
Class 2, 3, 5, 6, 7, 8 or 9b, excluding— 2.2 1.2 2.2
(i) Class 3 accommodation for the aged; and
(ii) Class 9b as specified below.
Class 3 4.5 2.2 4.5
Accommodation for the aged.
Class 9a      
Open link in same pagePatient care areas . 4.5 2.2 4.5
Areas other than Open link in same pagepatient care areas. 2.2 1.2 4.5
Class 9b auditorium or audience seating area used mainly for—      
(i) indoor swimming or ice skating; and 1.2 1.2 2.2
(ii) other sports or multi-purpose functions. 2.2 1.2 2.2
Class 9c      
Open link in same pageResident use areas . 2.2 4.5
Areas other than Open link in same pageresident use areas. 1.2 4.5

4. Wall and ceiling linings

(a)

A wall or ceiling lining system must comply with the Open link in same pagegroup number specified in Table 3Open link in same page and for buildings not fitted with a sprinkler system complying with Specification E1.5 have—

(i)

a Open link in same pagesmoke growth rate index not more than 100; or

(b)

A Open link in same pagegroup number of a wall or ceiling lining and the Open link in same pagesmoke growth rate index or Open link in same pageaverage specific extinction area must be determined in accordance with AS 5637.1.

Table 3 WALL AND CEILING LINING MATERIALS (Material Groups permitted)
Class of building Fire-isolated exits and fire control rooms Public corridors Specific areas Other areas
Wall/ceiling Wall Ceiling Wall Ceiling Wall/ceiling
Class 2 or 3
Excluding accommodation for the aged, people with disabilities, and children
Unsprinklered 1 1, 2 1, 2 1, 2, 3 1, 2, 3 1, 2, 3
Sprinklered 1 1, 2, 3 1, 2, 3 1, 2, 3 1, 2, 3 1, 2, 3
Class 3 or 9a
Accommodation for the aged, people with a disability, children and Open link in same pagehealth-care buildings
Unsprinklered 1 1 1 1, 2 1, 2 1, 2, 3
Sprinklered 1 1, 2 1, 2 1, 2, 3 1, 2, 3 1, 2, 3
Class 5, 6, 7, 8 or 9b Open link in same pageschools
Unsprinklered 1 1, 2 1, 2 1, 2, 3 1, 2 1, 2, 3
Sprinklered 1 1, 2, 3 1, 2, 3 1, 2, 3 1, 2, 3 1, 2, 3
Class 9b other than Open link in same pageschools
Unsprinklered 1 1 1 1, 2 1, 2 1, 2, 3
Sprinklered 1 1, 2 1, 2 1, 2, 3 1, 2, 3 1, 2, 3
Class 9c
Sprinklered 1 1, 2 1, 2 1, 2, 3 1, 2, 3 1, 2, 3
For the purpose of this Table—
  1. "Sprinklered" means a building fitted with a sprinkler system complying with Specification E1.5.
  2. "Specific areas" means within—
    1. for Class 2 and 3 buildings, a Open link in same pagesole-occupancy unit; and
    2. for Class 5 buildings, open plan offices with a minimum floor dimension/floor to ceiling height ratio > 5; and
    3. for Class 6 buildings, shops or other building with a minimum floor dimension/floor to ceiling height ratio > 5; and
    4. for Class 9a Open link in same pagehealth-care buildings, Open link in same pagepatient care areas; and
    5. for Class 9b theatres and halls, etc, an auditorium; and
    6. for Class 9b Open link in same pageschools, a classroom; and
    7. for Class 9c buildings, Open link in same pageresident use areas.

5. Air-handling ductwork

Rigid and flexible ductwork in a Class 2 to 9 building must comply with the Open link in same pagefire hazard properties set out in AS 4254 Parts 1 and 2.

6. Lift cars

Materials used as—

(a)

floor linings and floor coverings must have a Open link in same pagecritical radiant flux not less than 2.2; and

(b)

wall and ceiling linings must be a Group 1 material or a Group 2 material in accordance with AS 5637.1.

7. Other materials

NSW Spec C1.10 NSW 7

Materials and assemblies in a Class 2 to 9 building not included in Open link in same pageClauses 3, Open link in same page4, Open link in same page5 or Open link in same page6 must not exceed the indices set out in Table 4Open link in same page.

Table 4 OTHER MATERIALS
Material or assembly location Flammability Index Spread-of-Flame Index Smoke-Developed Index
Fire control rooms subject to Specification  E1.8 and fire-isolated Open link in same pageexits, other than a Open link in same pagesarking-type material used in a ceiling or used as an attachment or part of an attachment to a building element. Note 1 0 2
Class 9b buildings used as a theatre, public hall or the like:
(a) Any part of fixed seating in the audience area or auditorium. 0 5
(b)

A proscenium curtain Open link in same pagerequired by Specification H1.3.

0 3
Escalators, moving walkways or non-Open link in same pagerequired non-Open link in same pagefire-isolated stairways or pedestrian ramps subject to Specification D1.12. 0 5
Open link in same pageSarking-type material :
(a) In a fire control room subject to Specification  E1.8 or a fire-isolated Open link in same pageexit or fire control room used in the form of an exposed wall or ceiling. 0
(b) In other locations.Note 2 5
Other materials or locations and insulation materials other than Open link in same pagesarking-type materials. Notes 2 and 3 9 8 if the Open link in same pageSpread-of-Flame Index is more than 5
Notes:
  1. In a fire control room or Open link in same pagefire-isolated stairway, a material used as an attachment or part of an attachment to a building element must, if Open link in same pagecombustible, be attached directly to a Open link in same pagenon-combustible substrate and not exceed 1 mm finished thickness.
  2. A material, other than one located within a fire-isolated exit or fire control room, may be covered on all faces by concrete or masonry not less than 50 mm thick, as an alternative to meeting the specified indices.
  3. In the case of a composite member or assembly, the member or assembly must be constructed so that when assembled as proposed in a building—
    1. any material which does not comply with this Table is protected on all sides and edges from exposure to the air; and
    2. the member or assembly, when tested in accordance with Specification A2.4, has a Open link in same pageSpread-of-Flame Index and a Open link in same pageSmoke-Developed Index not exceeding those prescribed in this Table; and
    3. the member or assembly retains the protection in position so that it prevents ignition of the material and continues to screen it from access to free air for a period of not less than 10 minutes.