PART E2 SMOKE HAZARD MANAGEMENT
OBJECTIVE
EO2
The Objective of this Part is to--
(a) safeguard occupants from illness or injury by warning them of a fire so that they may safely evacuate; and
(b) safeguard occupants from illness or injury while evacuating during a fire.
FUNCTIONAL STATEMENT
EF2.1
A building is to be provided with safeguards so that--
(a) occupants are warned of a fire in the building so that they may safely evacuate; and
(b) occupants have time to safely evacuate before the environment in any evacuation route becomes untenable from the effects of fire.
PERFORMANCE REQUIREMENTS
EP2.1
In a building providing sleeping accommodation, occupants must be provided with automatic warning on the detection of smoke so they may evacuate in the event of a fire to a safe place.
Application: EP2.1 only applies to a Class 2, 3, 9a or 9c building or Class 4 part.
EP2.2 (a) In the event of a fire in a building the conditions in any evacuation route must be maintained for the period of time occupants take to evacuate the part of the building so that--
(i) the temperature will not endanger human life; and
(ii) the level of visibility will enable the evacuation route to be determined; and
(iii) the level of toxicity will not endanger human life.
(b) The period of time occupants take to evacuate referred to in (a) must be appropriate to--
(i) the number, mobility and other characteristics of the occupants; and
(ii) the function or use of the building; and
(iii) the travel distance and other characteristics of the building; and
(iv) the fire load; and
(v) the potential fire intensity; and
(vi) the fire hazard; and
(vii) any active fire safety systems installed in the building; and
(viii) fire brigade intervention.
Limitation: EP2.2 does not apply to an open-deck carpark or open spectator stand.
PART E2 SMOKE HAZARD MANAGEMENT Deemed-to-Satisfy Provisions
E2.0 Deemed-to-Satisfy Provisions (a) Where a Building Solution is proposed to comply with the Deemed-to-Satisfy Provisions, Performance Requirements EP2.1 to EP2.2 are satisfied by complying with--
(i) E2.1 to E2.3; and
(ii) in a building containing an atrium, Part G3.
(b) Where a Building Solution is proposed as an Alternative Solution to the Deemed-to-Satisfy Provisions of--
(i) E2.1 to E2.3; and
(ii) in a building containing an atrium, Part G3,
the relevant Performance Requirements must be determined in accordance with A0.10.
E2.1 Application of Part (a) The Deemed-to-Satisfy Provisions of this Part do not apply to--
(i) any open deck carpark; or
(ii) any open spectator stand; or
(iii) a Class 8 electricity network substation with a floor area not more than 200 m2, located within a multi-classified building.
(b) The smoke exhaust and smoke-and-heat vent provisions of this Part do not apply to any area not used by occupants for an extended period of time such as a storeroom with a floor area less than 30 m2, sanitary compartment, plant room or the like.
E2.2 General requirements (a) A building must comply with (b), (c), (d) and--
(i) Table E2.2a as applicable to Class 2 to 9 buildings such that each separate part complies with the relevant provisions for the classification; and
(ii) Table E2.2b as applicable to Class 6 and 9b buildings such that each separate part complies with the relevant provisions for the classification.
(b) An air-handling system which does not form part of a smoke hazard management system in accordance with Table E2.2a or Table E2.2b and which recycles air from one fire compartment to another fire compartment or operates in a manner that may unduly contribute to the spread of smoke from one fire compartment to another fire compartment must--
(i) be designed and installed to operate as a smoke control system in accordance with AS/NZS 1668.1; or
(ii) (A) incorporate smoke dampers where the air-handling ducts penetrate any elements separating the fire compartments served; and
(B) be arranged such that the air-handling system is shut down and the smoke dampers are activated to close automatically by smoke detectors complying with clause 4.10 of AS/NZS 1668.1; and
for the purposes of this provision, each sole-occupancy unit in a Class 2 or 3 building is treated as a separate fire compartment. (c) Miscellaneous air-handling systems covered by Sections 5 and 11 of AS/NZS 1668.1 serving more than one fire compartment (other than a carpark ventilation system) and not forming part of a smoke hazard management system must comply with that Section of the Standard.
(d) A smoke detection system must be installed in accordance with Clause 5 of Specification E2.2a to operate AS/NZS 1668.1 systems that are provided for zone smoke control and automatic air pressurisation for fire-isolated exits.
E2.3 Provision for special hazards
Additional smoke hazard management measures may be necessary due to the--
(a) special characteristics of the building; or
(b) special function or use of the building; or
(c) special type or quantity of materials stored, displayed or used in a building; or
(d) special mix of classifications within a building or fire compartment,
which are not addressed in Tables E2.2a and E2.2b.
NSW Table E2.2a
Table E2.2a GENERAL PROVISIONS FIRE-ISOLATED EXITS A required— (a) fire-isolated stairway, including any associated fire-isolated passageway or fire-isolated ramp serving— (i) any storey above an effective height of 25 m; or (ii) more than 2 below ground storeys, not counted in the rise in storeys in accordance with C1.2; or (iii) an atrium; or (iv) a Class 9a building with a rise in storeys of more than 2; or (v) a Class 9c aged care building with a rise in storeys of more than 2; and (b) fire-isolated passageway or fire-isolated ramp with a length of travel more than 60 m to a road or open space, must be provided with— (c) an automatic air pressurisation system for fire-isolated exits in accordance with AS/NZS 1668.1; or (d) open access ramps or balconies in accordance with D2.5. Notes: 1. An automatic air pressurisation system for fire-isolated exits applies to the entire exit. 2. Refer D1.7(d) for pressurisation of a fire-isolated exit having more than 2 access doorways from within the same storey. BUILDINGS MORE THAN 25 M IN EFFECTIVE HEIGHT CLASS 2 AND 3 BUILDINGS AND CLASS 4 PART OF A BUILDING A Class 2 and 3 building or part of a building and Class 4 part of a building must be provided with an automatic smoke detection and alarm system complying with Specification E2.2a. Note: Refer C2.14 for division of public corridors greater than 40 m in length. CLASS 5, 6, 7b, 8 and 9b BUILDINGS A Class 5, 6, 7b, 8 and 9b building or part of a building must be provided with a zone smoke control system in accordance with AS/NZS 1668.1 Note: Refer Table E2.2b for Specific Provisions applicable to a Class 6 (in a fire compartment having a floor area of more than 2000 m2) and 9b building or part of a building. CLASS 9a BUILDINGS A Class 9a building must be provided with— (a) an automatic smoke detection and alarm system complying with Specification E2.2a; and (b) a zone smoke control system in accordance with AS/NZS 1668.1. Note: A building more than 25 m in effective height requires a sprinkler system under E1.5. BUILDINGS NOT MORE THAN 25 M IN EFFECTIVE HEIGHT CLASS 2 AND 3 BUILDINGS AND CLASS 4 PART A Class 2 and 3 building or part of a building and Class 4 part of a building— (a) must be provided with an automatic smoke detection and alarm system complying with Specification E2.2a; and (b) where a required fire-isolated stairway serving the Class 2 or 3 parts also serves one or more storeys of Class 5, 6, 7 (other than an open deck carpark), 8 or 9b parts— (i) the fire-isolated stairway, including any associated fire-isolated passageway or fire-isolated ramp, must be provided with an automatic air pressurisation system for fire-isolated exits in accordance with AS/NZS 1668.1; or (ii) the Class 5, 6, 7 (other than an open deck carpark), 8 and 9b parts must be provided with— (A) an automatic smoke detection and alarm system complying with Specification E2.2a; or (B) a sprinkler system complying with Specification E1.5; and (c) where a required fire-isolated stairway serving the Class 4 part also serves one or more storeys of Class 5, 6, 7 (other than an open deck carpark), 8 or 9b parts— (i) a system complying with (b)(i) or (b)(ii) must be installed; or (ii) a smoke alarm or detector system complying with Specification E2.2a must be provided except that alarms or detectors need only be installed adjacent to each doorway into each fire-isolated stairway (set back horizontally from the doorway by a distance of not more than 1.5 m) to initiate a building occupant warning system for the Class 4 part. Notes: 1. Refer C2.14 for division of public corridors greater than 40 m in length. 2. Refer Table E2.2b for Specific Provisions applicable to a Class 6 (in a fire compartment having a floor area of more than 2000 m2) and 9b building or part of a building. CLASS 5, 6, 7b, 8 and 9b BUILDINGS In a— (a) Class 5 or 9b school building or part of a building having a rise in storeys of more than 3; or (b) Class 6, 7b, 8 or 9b building (other than a school) or part of a building having a rise in storeys of more than 2; or (c) building having a rise in storeys of more than 2 and containing— (i) a Class 5 or 9b school part; and (ii) a Class 6, 7b, 8 or 9b (other than a school) part, the building must be provided with— (d) in each required fire-isolated stairway, including any associated fire-isolated passageway or fire-isolated ramp, an automatic air pressurisation system for fire-isolated exits in accordance with AS/NZS 1668.1; or (e) a zone smoke control system in accordance with AS/NZS 1668.1, if the building has more than one fire compartment; or (f) an automatic smoke detection and alarm system complying with Specification E2.2a; or (g) a sprinkler system complying with Specification E1.5. LARGE ISOLATED BUILDINGS SUBJECT TO C2.3 (a) In a Class 7 or 8 building, which does not exceed 18 000 m2 in floor area nor exceed 108 000 m3 in volume, the building must be provided with— (i) a sprinkler system complying with Specification E1.5, and provided with perimeter vehicular access complying with C2.4(b); or (ii) an automatic fire detection and alarm system complying with AS 1670.1 and monitored in accordance with Clause 7 of Specification E2.2a; or (iii) an automatic smoke exhaust system in accordance with Specification E2.2b; or (iv) automatic smoke-and-heat vents in accordance with Specification E2.2c; or (v) natural smoke venting, with ventilation openings distributed as evenly as practicable and comprising permanent openings at roof level with a free area not less than 1.5% of floor area and low level openings which may be permanent or readily openable with a free area not less than 1.5% of floor area. (b) In a Class 5 to 9 building, which exceeds 18 000 m2 in floor area or 108 000 m3 in volume, the building must be provided with— (i) if the ceiling height of the fire compartment is not more than 12 m— (A) an automatic smoke exhaust system in accordance with Specification E2.2b; or (B) automatic smoke-and-heat vents in accordance with Specification E2.2c; or (ii) if the ceiling height of the fire compartment is more than 12 m, an automatic smoke exhaust system in accordance with Specification E2.2b. Notes: 1. Refer Table E2.2b for Specific Provisions applicable to a Class 6 (in a fire compartment having a floor area of more than 2000 m2) and 9b building or part of a building. 2. Refer provisions under Class 2 and 3 buildings and Class 4 part in this Table where a Class 5, 6, 7b, 8 and 9b building contains a Class 2, 3 or 4 part. 3. Reference to "the building" being provided with specified measures, means to the nominated classes within the building. For parts of the building of other classes, see other parts of this Table. CLASS 9a and 9c BUILDINGS A Class 9a health-care building or a Class 9c aged care building, or a building containing a part thereof, must be provided throughout with— (a) an automatic smoke detection and alarm system complying with Specification E2.2a; and (b) automatic shutdown of any air-handling system which does not form part of a zone smoke control system (other than individual room units with a capacity not more than 1000 L/s, systems serving critical treatment areas and miscellaneous exhaust air systems installed in accordance with Sections 5 and 11 of AS/NZS 1668.1) on the activation of— (i) smoke detectors installed in accordance with (a); and (ii) any other installed fire detection and alarm system including a sprinkler system complying with Specification E1.5; and (c) in a building having a rise in storeys of more than 2 and not more than 25 m effective height (not being a Class 9c aged care building)— (i) a zone smoke control system in accordance with AS/NZS 1668.1; or (ii) a sprinkler system complying with Specification E1.5 throughout with residential sprinkler heads in patient care areas. Note: Refer to Clause 2 of Specification C2.5 for the provisions for smoke dampers. CLASS 7a BUILDINGS A Class 7a building, including a basement, provided with a mechanical ventilation system in accordance with AS 1668.2 must comply with clause 5.5 of AS/NZS 1668.1 except that— (a) fans with metal blades suitable for operation at normal temperature may be used; and (b) the electrical power and control cabling need not be fire rated. BASEMENTS (other than Class 7a buildings) A basement, not counted in the rise in storeys in accordance with C1.2, must— (a) comply with measures in accordance with this Table applicable to the building generally; and (b) where the basement has a total floor area of more than 2000 m2, be provided with— (i) if not more than 2 below ground storeys— (A) a zone smoke control system in accordance with AS/NZS 1668.1, if the basement has more than one fire compartment; or (B) an automatic smoke detection and alarm system complying with Specification E2.2a; or (C) a sprinkler system complying with Specification E1.5; or (ii) if more than 2 below ground storeys, a sprinkler system complying with Specification E1.5. Notes: 1. Refer Table E2.2b for Specific Provisions applicable to a Class 6 (in a fire compartment having a floor area of more than 2000 m2) and 9b building or part of a building. 2. Basements with more than 3 below ground storeys or containing Class 6 or 9b occupancies with a large number of occupants may require special consideration in accordance with E2.3. ATRIUMS Refer Part G3.
NSW Table E2.2b
Table E2.2b SPECIFIC PROVISIONS CLASS 6 BUILDINGS — IN FIRE COMPARTMENTS MORE THAN 2000 m2 CLASS 6 BUILDINGS (not containing an enclosed common walkway or mall serving more than one Class 6 sole-occupancy unit) (a) Where the floor area of a Class 6 part of a fire compartment is more than 2000 m2, the fire compartment, must be provided with— (i) an automatic smoke exhaust system complying with Specification E2.2b; or (ii) automatic smoke-and-heat vents complying with Specification E2.2c, if the building is single storey; or (iii) if the floor area of the fire compartment is not more than 3500 m2 and the building— (A) is single storey, an automatic smoke detection and alarm system complying with Specification E2.2a; or (B) has a rise in storeys of not more than 2, a sprinkler system complying with Specification E1.5. (b) The provisions of (a) do not apply to— (i) a Class 6 sole-occupancy unit that— (A) has a floor area of not more than 2000 m2; and (B) is single storey with a main public entrance opening to a road or open space; and (C) is separated from other parts of the fire compartment by construction, including openings, penetrations and junctions with other building elements, that prevents the free passage of smoke; and (ii) parts of any other classification that are smoke separated from a Class 6 part by construction complying with (i)(C). CLASS 6 BUILDINGS (containing an enclosed common walkway or mall serving more than one Class 6 sole-occupancy unit) (a) Where the floor area of a Class 6 part of a fire compartment is more than 2000 m2, the fire compartment, including the enclosed common walkway or mall, must be provided with— (i) an automatic smoke exhaust system complying with Specification E2.2b; or (ii) automatic smoke-and-heat vents complying with Specification E2.2c, if the building is single storey; or (iii) if the floor area of the fire compartment is not more than 3500 m2 and the building has a rise in storeys of not more than 2, a sprinkler system complying with Specification E1.5. (b) The provisions of (a) do not apply to— (i) a Class 6 sole-occupancy unit that— (A) opens onto the enclosed common walkway or mall if the Class 6 sole-occupancy unit has a floor area of not more than 1000 m2; or (B) does not open onto the enclosed common walkway or mall if the Class 6 sole-occupancy unit— (aa) has a floor area of not more than 2000 m2; and (bb) is single storey with a main entrance opening to a road or open space; and (cc) is separated from other parts of the fire compartment by construction, including openings, penetrations and junctions with other building elements, that prevents the free passage of smoke; and (ii) parts of any other classification that are smoke separated from a Class 6 part by construction complying with (i)(B)(cc). Note: A fire compartment having a floor area of more than 3500 m2 in a Class 6 building requires a sprinkler system under E1.5. CLASS 9b — ASSEMBLY BUILDINGS NIGHTCLUBS and DISCOTHEQUES AND THE LIKE A building or part of a building used as a nightclub, discotheque or the like must be provided with— (a) automatic shutdown of any air-handling system (other than miscellaneous exhaust air systems installed in accordance with Sections 5 and 11 of AS/NZS 1668.1) which does not form part of the smoke hazard management system, on the activation of— (i) smoke detectors installed complying with Clause 5 of Specification E2.2a; and (ii) any other installed fire detection and alarm system, including a sprinkler system complying with Specification E1.5; and (b) (i) an automatic smoke exhaust system complying with Specification E2.2b; or (ii) automatic smoke-and-heat vents complying with Specification E2.2c, if the building is single storey; or (iii) a sprinkler system complying with Specification E1.5 with fast response sprinkler heads. EXHIBITION HALLS A building or part of a building used as an exhibition hall must be provided with— (a) automatic shutdown of any air-handling system (other than miscellaneous exhaust air systems installed in accordance with Sections 5 and 11 of AS/NZS 1668.1) which does not form part of the smoke hazard management system, on the activation of— (i) smoke detectors installed complying with Specification E2.2a; and (ii) any other installed fire detection and alarm system, including a sprinkler system complying with Specification E1.5; and (b) where the floor area is more than 2000 m2 and not more than 3500 m2— (i) an automatic smoke exhaust system complying with Specification E2.2b; or (ii) automatic smoke-and-heat vents complying with Specification E2.2c, if the building is single storey; or (iii) a sprinkler system complying with Specification E1.5; and (c) where the floor area is more than 3500 m2, a sprinkler system complying with Specification E1.5 and— (i) an automatic smoke exhaust system complying with Specification E2.2b; or (ii) automatic smoke-and-heat vents complying with Specification E2.2c, if the building is single storey. THEATRES and PUBLIC HALLS A building or part of a building used as a theatre or public hall which— (a) is a school assembly, church or community hall, and has a stage and any backstage area with a total floor area of more than 300 m2; or (b) is not a school assembly, church or community hall, and has a stage and any backstage area with a total floor area of more than 200 m2; or (c) has a stage with an associated rigging loft— must be provided with— (i) an automatic smoke exhaust system complying with Specification E2.2b; or (ii) automatic smoke-and-heat vents complying with Specification E2.2c, if the building is single storey. THEATRES and PUBLIC HALLS (not listed above) INCLUDING LECTURE THEATRES AND CINEMA/AUDITORIUM COMPLEXES A building or part of a building used as a theatre or public hall (not listed above) including a lecture theatre and cinema/auditorium complex— (a) must be provided with automatic shutdown of any air-handling system (other than miscellaneous exhaust air systems installed in accordance with Sections 5 and 11 of AS/NZS 1668.1) which does not form part of the smoke hazard management system, on the activation of— (i) smoke detectors installed complying with Specification E2.2a; and (ii) any other installed fire detection and alarm system, including a sprinkler system complying with Specification E1.5; and (b) other than in the case of a school lecture theatre, where the floor area of the fire compartment is more than 2000 m2— (i) an automatic smoke exhaust system complying with Specification E2.2b; or (ii) automatic smoke-and-heat vents complying with Specification E2.2c, if the building is single storey; or (iii) if the floor area of the fire compartment is not more than 5000 m2 and the building has a rise in storeys of not more than 2— (A) an automatic smoke detection and alarm system complying with Specification E2.2a; or (B) a sprinkler system complying with Specification E1.5. OTHER ASSEMBLY BUILDINGS (not listed above) and EXCLUDING SCHOOLS (a) Each fire compartment, other than one in a building described in (b), having a floor area of more than 2000 m2 must be provided with— (i) an automatic smoke exhaust system complying with Specification E2.2b; or (ii) automatic smoke-and-heat vents complying with Specification E2.2c, if the building is single storey; or (iii) if the floor area of the fire compartment is not more than 5000 m2 and the building has a rise in storeys of not more than 2— (A) an automatic smoke detection and alarm system complying with Specification E2.2a; or (B) a sprinkler system complying with Specification E1.5. (b) The following buildings are exempt from the provisions of (a): (i) Sporting complexes (including sports halls, gymnasiums, swimming pools, ice and roller rinks, and the like) other than an indoor sports stadium with a total spectator seating for more than 1000. (ii) Churches and other places used solely for religious worship.
OBJECTIVE
EO2
The Objective of this Part is to--
(a) safeguard occupants from illness or injury by warning them of a fire so that they may safely evacuate; and
(b) safeguard occupants from illness or injury while evacuating during a fire.
FUNCTIONAL STATEMENT
EF2.1
A building is to be provided with safeguards so that--
(a) occupants are warned of a fire in the building so that they may safely evacuate; and
(b) occupants have time to safely evacuate before the environment in any evacuation route becomes untenable from the effects of fire.
PERFORMANCE REQUIREMENTS
EP2.1
In a building providing sleeping accommodation, occupants must be provided with automatic warning on the detection of smoke so they may evacuate in the event of a fire to a safe place.
Application: EP2.1 only applies to a Class 2, 3, 9a or 9c building or Class 4 part.
EP2.2 (a) In the event of a fire in a building the conditions in any evacuation route must be maintained for the period of time occupants take to evacuate the part of the building so that--
(i) the temperature will not endanger human life; and
(ii) the level of visibility will enable the evacuation route to be determined; and
(iii) the level of toxicity will not endanger human life.
(b) The period of time occupants take to evacuate referred to in (a) must be appropriate to--
(i) the number, mobility and other characteristics of the occupants; and
(ii) the function or use of the building; and
(iii) the travel distance and other characteristics of the building; and
(iv) the fire load; and
(v) the potential fire intensity; and
(vi) the fire hazard; and
(vii) any active fire safety systems installed in the building; and
(viii) fire brigade intervention.
Limitation: EP2.2 does not apply to an open-deck carpark or open spectator stand.
PART E2 SMOKE HAZARD MANAGEMENT Deemed-to-Satisfy Provisions
E2.0 Deemed-to-Satisfy Provisions (a) Where a Building Solution is proposed to comply with the Deemed-to-Satisfy Provisions, Performance Requirements EP2.1 to EP2.2 are satisfied by complying with--
(i) E2.1 to E2.3; and
(ii) in a building containing an atrium, Part G3.
(b) Where a Building Solution is proposed as an Alternative Solution to the Deemed-to-Satisfy Provisions of--
(i) E2.1 to E2.3; and
(ii) in a building containing an atrium, Part G3,
the relevant Performance Requirements must be determined in accordance with A0.10.
E2.1 Application of Part (a) The Deemed-to-Satisfy Provisions of this Part do not apply to--
(i) any open deck carpark; or
(ii) any open spectator stand; or
(iii) a Class 8 electricity network substation with a floor area not more than 200 m2, located within a multi-classified building.
(b) The smoke exhaust and smoke-and-heat vent provisions of this Part do not apply to any area not used by occupants for an extended period of time such as a storeroom with a floor area less than 30 m2, sanitary compartment, plant room or the like.
E2.2 General requirements (a) A building must comply with (b), (c), (d) and--
(i) Table E2.2a as applicable to Class 2 to 9 buildings such that each separate part complies with the relevant provisions for the classification; and
(ii) Table E2.2b as applicable to Class 6 and 9b buildings such that each separate part complies with the relevant provisions for the classification.
(b) An air-handling system which does not form part of a smoke hazard management system in accordance with Table E2.2a or Table E2.2b and which recycles air from one fire compartment to another fire compartment or operates in a manner that may unduly contribute to the spread of smoke from one fire compartment to another fire compartment must--
(i) be designed and installed to operate as a smoke control system in accordance with AS/NZS 1668.1; or
(ii) (A) incorporate smoke dampers where the air-handling ducts penetrate any elements separating the fire compartments served; and
(B) be arranged such that the air-handling system is shut down and the smoke dampers are activated to close automatically by smoke detectors complying with clause 4.10 of AS/NZS 1668.1; and
for the purposes of this provision, each sole-occupancy unit in a Class 2 or 3 building is treated as a separate fire compartment. (c) Miscellaneous air-handling systems covered by Sections 5 and 11 of AS/NZS 1668.1 serving more than one fire compartment (other than a carpark ventilation system) and not forming part of a smoke hazard management system must comply with that Section of the Standard.
(d) A smoke detection system must be installed in accordance with Clause 5 of Specification E2.2a to operate AS/NZS 1668.1 systems that are provided for zone smoke control and automatic air pressurisation for fire-isolated exits.
E2.3 Provision for special hazards
Additional smoke hazard management measures may be necessary due to the--
(a) special characteristics of the building; or
(b) special function or use of the building; or
(c) special type or quantity of materials stored, displayed or used in a building; or
(d) special mix of classifications within a building or fire compartment,
which are not addressed in Tables E2.2a and E2.2b.
NSW Table E2.2a
Table E2.2a GENERAL PROVISIONS FIRE-ISOLATED EXITS A required— (a) fire-isolated stairway, including any associated fire-isolated passageway or fire-isolated ramp serving— (i) any storey above an effective height of 25 m; or (ii) more than 2 below ground storeys, not counted in the rise in storeys in accordance with C1.2; or (iii) an atrium; or (iv) a Class 9a building with a rise in storeys of more than 2; or (v) a Class 9c aged care building with a rise in storeys of more than 2; and (b) fire-isolated passageway or fire-isolated ramp with a length of travel more than 60 m to a road or open space, must be provided with— (c) an automatic air pressurisation system for fire-isolated exits in accordance with AS/NZS 1668.1; or (d) open access ramps or balconies in accordance with D2.5. Notes: 1. An automatic air pressurisation system for fire-isolated exits applies to the entire exit. 2. Refer D1.7(d) for pressurisation of a fire-isolated exit having more than 2 access doorways from within the same storey. BUILDINGS MORE THAN 25 M IN EFFECTIVE HEIGHT CLASS 2 AND 3 BUILDINGS AND CLASS 4 PART OF A BUILDING A Class 2 and 3 building or part of a building and Class 4 part of a building must be provided with an automatic smoke detection and alarm system complying with Specification E2.2a. Note: Refer C2.14 for division of public corridors greater than 40 m in length. CLASS 5, 6, 7b, 8 and 9b BUILDINGS A Class 5, 6, 7b, 8 and 9b building or part of a building must be provided with a zone smoke control system in accordance with AS/NZS 1668.1 Note: Refer Table E2.2b for Specific Provisions applicable to a Class 6 (in a fire compartment having a floor area of more than 2000 m2) and 9b building or part of a building. CLASS 9a BUILDINGS A Class 9a building must be provided with— (a) an automatic smoke detection and alarm system complying with Specification E2.2a; and (b) a zone smoke control system in accordance with AS/NZS 1668.1. Note: A building more than 25 m in effective height requires a sprinkler system under E1.5. BUILDINGS NOT MORE THAN 25 M IN EFFECTIVE HEIGHT CLASS 2 AND 3 BUILDINGS AND CLASS 4 PART A Class 2 and 3 building or part of a building and Class 4 part of a building— (a) must be provided with an automatic smoke detection and alarm system complying with Specification E2.2a; and (b) where a required fire-isolated stairway serving the Class 2 or 3 parts also serves one or more storeys of Class 5, 6, 7 (other than an open deck carpark), 8 or 9b parts— (i) the fire-isolated stairway, including any associated fire-isolated passageway or fire-isolated ramp, must be provided with an automatic air pressurisation system for fire-isolated exits in accordance with AS/NZS 1668.1; or (ii) the Class 5, 6, 7 (other than an open deck carpark), 8 and 9b parts must be provided with— (A) an automatic smoke detection and alarm system complying with Specification E2.2a; or (B) a sprinkler system complying with Specification E1.5; and (c) where a required fire-isolated stairway serving the Class 4 part also serves one or more storeys of Class 5, 6, 7 (other than an open deck carpark), 8 or 9b parts— (i) a system complying with (b)(i) or (b)(ii) must be installed; or (ii) a smoke alarm or detector system complying with Specification E2.2a must be provided except that alarms or detectors need only be installed adjacent to each doorway into each fire-isolated stairway (set back horizontally from the doorway by a distance of not more than 1.5 m) to initiate a building occupant warning system for the Class 4 part. Notes: 1. Refer C2.14 for division of public corridors greater than 40 m in length. 2. Refer Table E2.2b for Specific Provisions applicable to a Class 6 (in a fire compartment having a floor area of more than 2000 m2) and 9b building or part of a building. CLASS 5, 6, 7b, 8 and 9b BUILDINGS In a— (a) Class 5 or 9b school building or part of a building having a rise in storeys of more than 3; or (b) Class 6, 7b, 8 or 9b building (other than a school) or part of a building having a rise in storeys of more than 2; or (c) building having a rise in storeys of more than 2 and containing— (i) a Class 5 or 9b school part; and (ii) a Class 6, 7b, 8 or 9b (other than a school) part, the building must be provided with— (d) in each required fire-isolated stairway, including any associated fire-isolated passageway or fire-isolated ramp, an automatic air pressurisation system for fire-isolated exits in accordance with AS/NZS 1668.1; or (e) a zone smoke control system in accordance with AS/NZS 1668.1, if the building has more than one fire compartment; or (f) an automatic smoke detection and alarm system complying with Specification E2.2a; or (g) a sprinkler system complying with Specification E1.5. LARGE ISOLATED BUILDINGS SUBJECT TO C2.3 (a) In a Class 7 or 8 building, which does not exceed 18 000 m2 in floor area nor exceed 108 000 m3 in volume, the building must be provided with— (i) a sprinkler system complying with Specification E1.5, and provided with perimeter vehicular access complying with C2.4(b); or (ii) an automatic fire detection and alarm system complying with AS 1670.1 and monitored in accordance with Clause 7 of Specification E2.2a; or (iii) an automatic smoke exhaust system in accordance with Specification E2.2b; or (iv) automatic smoke-and-heat vents in accordance with Specification E2.2c; or (v) natural smoke venting, with ventilation openings distributed as evenly as practicable and comprising permanent openings at roof level with a free area not less than 1.5% of floor area and low level openings which may be permanent or readily openable with a free area not less than 1.5% of floor area. (b) In a Class 5 to 9 building, which exceeds 18 000 m2 in floor area or 108 000 m3 in volume, the building must be provided with— (i) if the ceiling height of the fire compartment is not more than 12 m— (A) an automatic smoke exhaust system in accordance with Specification E2.2b; or (B) automatic smoke-and-heat vents in accordance with Specification E2.2c; or (ii) if the ceiling height of the fire compartment is more than 12 m, an automatic smoke exhaust system in accordance with Specification E2.2b. Notes: 1. Refer Table E2.2b for Specific Provisions applicable to a Class 6 (in a fire compartment having a floor area of more than 2000 m2) and 9b building or part of a building. 2. Refer provisions under Class 2 and 3 buildings and Class 4 part in this Table where a Class 5, 6, 7b, 8 and 9b building contains a Class 2, 3 or 4 part. 3. Reference to "the building" being provided with specified measures, means to the nominated classes within the building. For parts of the building of other classes, see other parts of this Table. CLASS 9a and 9c BUILDINGS A Class 9a health-care building or a Class 9c aged care building, or a building containing a part thereof, must be provided throughout with— (a) an automatic smoke detection and alarm system complying with Specification E2.2a; and (b) automatic shutdown of any air-handling system which does not form part of a zone smoke control system (other than individual room units with a capacity not more than 1000 L/s, systems serving critical treatment areas and miscellaneous exhaust air systems installed in accordance with Sections 5 and 11 of AS/NZS 1668.1) on the activation of— (i) smoke detectors installed in accordance with (a); and (ii) any other installed fire detection and alarm system including a sprinkler system complying with Specification E1.5; and (c) in a building having a rise in storeys of more than 2 and not more than 25 m effective height (not being a Class 9c aged care building)— (i) a zone smoke control system in accordance with AS/NZS 1668.1; or (ii) a sprinkler system complying with Specification E1.5 throughout with residential sprinkler heads in patient care areas. Note: Refer to Clause 2 of Specification C2.5 for the provisions for smoke dampers. CLASS 7a BUILDINGS A Class 7a building, including a basement, provided with a mechanical ventilation system in accordance with AS 1668.2 must comply with clause 5.5 of AS/NZS 1668.1 except that— (a) fans with metal blades suitable for operation at normal temperature may be used; and (b) the electrical power and control cabling need not be fire rated. BASEMENTS (other than Class 7a buildings) A basement, not counted in the rise in storeys in accordance with C1.2, must— (a) comply with measures in accordance with this Table applicable to the building generally; and (b) where the basement has a total floor area of more than 2000 m2, be provided with— (i) if not more than 2 below ground storeys— (A) a zone smoke control system in accordance with AS/NZS 1668.1, if the basement has more than one fire compartment; or (B) an automatic smoke detection and alarm system complying with Specification E2.2a; or (C) a sprinkler system complying with Specification E1.5; or (ii) if more than 2 below ground storeys, a sprinkler system complying with Specification E1.5. Notes: 1. Refer Table E2.2b for Specific Provisions applicable to a Class 6 (in a fire compartment having a floor area of more than 2000 m2) and 9b building or part of a building. 2. Basements with more than 3 below ground storeys or containing Class 6 or 9b occupancies with a large number of occupants may require special consideration in accordance with E2.3. ATRIUMS Refer Part G3.
NSW Table E2.2b
Table E2.2b SPECIFIC PROVISIONS CLASS 6 BUILDINGS — IN FIRE COMPARTMENTS MORE THAN 2000 m2 CLASS 6 BUILDINGS (not containing an enclosed common walkway or mall serving more than one Class 6 sole-occupancy unit) (a) Where the floor area of a Class 6 part of a fire compartment is more than 2000 m2, the fire compartment, must be provided with— (i) an automatic smoke exhaust system complying with Specification E2.2b; or (ii) automatic smoke-and-heat vents complying with Specification E2.2c, if the building is single storey; or (iii) if the floor area of the fire compartment is not more than 3500 m2 and the building— (A) is single storey, an automatic smoke detection and alarm system complying with Specification E2.2a; or (B) has a rise in storeys of not more than 2, a sprinkler system complying with Specification E1.5. (b) The provisions of (a) do not apply to— (i) a Class 6 sole-occupancy unit that— (A) has a floor area of not more than 2000 m2; and (B) is single storey with a main public entrance opening to a road or open space; and (C) is separated from other parts of the fire compartment by construction, including openings, penetrations and junctions with other building elements, that prevents the free passage of smoke; and (ii) parts of any other classification that are smoke separated from a Class 6 part by construction complying with (i)(C). CLASS 6 BUILDINGS (containing an enclosed common walkway or mall serving more than one Class 6 sole-occupancy unit) (a) Where the floor area of a Class 6 part of a fire compartment is more than 2000 m2, the fire compartment, including the enclosed common walkway or mall, must be provided with— (i) an automatic smoke exhaust system complying with Specification E2.2b; or (ii) automatic smoke-and-heat vents complying with Specification E2.2c, if the building is single storey; or (iii) if the floor area of the fire compartment is not more than 3500 m2 and the building has a rise in storeys of not more than 2, a sprinkler system complying with Specification E1.5. (b) The provisions of (a) do not apply to— (i) a Class 6 sole-occupancy unit that— (A) opens onto the enclosed common walkway or mall if the Class 6 sole-occupancy unit has a floor area of not more than 1000 m2; or (B) does not open onto the enclosed common walkway or mall if the Class 6 sole-occupancy unit— (aa) has a floor area of not more than 2000 m2; and (bb) is single storey with a main entrance opening to a road or open space; and (cc) is separated from other parts of the fire compartment by construction, including openings, penetrations and junctions with other building elements, that prevents the free passage of smoke; and (ii) parts of any other classification that are smoke separated from a Class 6 part by construction complying with (i)(B)(cc). Note: A fire compartment having a floor area of more than 3500 m2 in a Class 6 building requires a sprinkler system under E1.5. CLASS 9b — ASSEMBLY BUILDINGS NIGHTCLUBS and DISCOTHEQUES AND THE LIKE A building or part of a building used as a nightclub, discotheque or the like must be provided with— (a) automatic shutdown of any air-handling system (other than miscellaneous exhaust air systems installed in accordance with Sections 5 and 11 of AS/NZS 1668.1) which does not form part of the smoke hazard management system, on the activation of— (i) smoke detectors installed complying with Clause 5 of Specification E2.2a; and (ii) any other installed fire detection and alarm system, including a sprinkler system complying with Specification E1.5; and (b) (i) an automatic smoke exhaust system complying with Specification E2.2b; or (ii) automatic smoke-and-heat vents complying with Specification E2.2c, if the building is single storey; or (iii) a sprinkler system complying with Specification E1.5 with fast response sprinkler heads. EXHIBITION HALLS A building or part of a building used as an exhibition hall must be provided with— (a) automatic shutdown of any air-handling system (other than miscellaneous exhaust air systems installed in accordance with Sections 5 and 11 of AS/NZS 1668.1) which does not form part of the smoke hazard management system, on the activation of— (i) smoke detectors installed complying with Specification E2.2a; and (ii) any other installed fire detection and alarm system, including a sprinkler system complying with Specification E1.5; and (b) where the floor area is more than 2000 m2 and not more than 3500 m2— (i) an automatic smoke exhaust system complying with Specification E2.2b; or (ii) automatic smoke-and-heat vents complying with Specification E2.2c, if the building is single storey; or (iii) a sprinkler system complying with Specification E1.5; and (c) where the floor area is more than 3500 m2, a sprinkler system complying with Specification E1.5 and— (i) an automatic smoke exhaust system complying with Specification E2.2b; or (ii) automatic smoke-and-heat vents complying with Specification E2.2c, if the building is single storey. THEATRES and PUBLIC HALLS A building or part of a building used as a theatre or public hall which— (a) is a school assembly, church or community hall, and has a stage and any backstage area with a total floor area of more than 300 m2; or (b) is not a school assembly, church or community hall, and has a stage and any backstage area with a total floor area of more than 200 m2; or (c) has a stage with an associated rigging loft— must be provided with— (i) an automatic smoke exhaust system complying with Specification E2.2b; or (ii) automatic smoke-and-heat vents complying with Specification E2.2c, if the building is single storey. THEATRES and PUBLIC HALLS (not listed above) INCLUDING LECTURE THEATRES AND CINEMA/AUDITORIUM COMPLEXES A building or part of a building used as a theatre or public hall (not listed above) including a lecture theatre and cinema/auditorium complex— (a) must be provided with automatic shutdown of any air-handling system (other than miscellaneous exhaust air systems installed in accordance with Sections 5 and 11 of AS/NZS 1668.1) which does not form part of the smoke hazard management system, on the activation of— (i) smoke detectors installed complying with Specification E2.2a; and (ii) any other installed fire detection and alarm system, including a sprinkler system complying with Specification E1.5; and (b) other than in the case of a school lecture theatre, where the floor area of the fire compartment is more than 2000 m2— (i) an automatic smoke exhaust system complying with Specification E2.2b; or (ii) automatic smoke-and-heat vents complying with Specification E2.2c, if the building is single storey; or (iii) if the floor area of the fire compartment is not more than 5000 m2 and the building has a rise in storeys of not more than 2— (A) an automatic smoke detection and alarm system complying with Specification E2.2a; or (B) a sprinkler system complying with Specification E1.5. OTHER ASSEMBLY BUILDINGS (not listed above) and EXCLUDING SCHOOLS (a) Each fire compartment, other than one in a building described in (b), having a floor area of more than 2000 m2 must be provided with— (i) an automatic smoke exhaust system complying with Specification E2.2b; or (ii) automatic smoke-and-heat vents complying with Specification E2.2c, if the building is single storey; or (iii) if the floor area of the fire compartment is not more than 5000 m2 and the building has a rise in storeys of not more than 2— (A) an automatic smoke detection and alarm system complying with Specification E2.2a; or (B) a sprinkler system complying with Specification E1.5. (b) The following buildings are exempt from the provisions of (a): (i) Sporting complexes (including sports halls, gymnasiums, swimming pools, ice and roller rinks, and the like) other than an indoor sports stadium with a total spectator seating for more than 1000. (ii) Churches and other places used solely for religious worship.