NCC 2022 Vol 1, D2D8 (1) (c) (i) NCC 2022 Vol 1, D2D8 (1) (c) (ii) NCC 2022 Vol 1, D2D9 (a) (i) (a) NCC 2022 Vol 1, D2D8 (1) NCC 2022 Vol 1, D2D8 (1) NCC 2022 Vol 1, D2D9 (a) (i) (a) NCC 2022 Vol 1, D2D8 (1) (c) (ii) NCC 2022 Vol 1, D2D9 (a) (i) (b) NCC 2022 Vol 1, D2D9 (b) NCC 2022 Vol 1, D2D9 (a) (ii) NCC 2022 Vol 1, D2D11 Stairway or Ramp Width in a Required Exit NCC 2022 Vol 1, D2D11
Mea sured clear of any obstructions like handrails or barriersExtend continuously ≥ 2m above the line of the stair treads, ramp, or landing floor, except for ceiling cornicesNCC 2022 Vol 1, D2D9 (a) (i) NCC 2022 Vol 1, D2D9 (a) (i) (b) NCC 2022 Vol 1, D2D9 (a) (i) (b) NCC 2022 Vol 1, D2D8 (1) (a) NCC 2022 Vol 1, D2D8 (1) (c) (i) Path of Travel
NCC 2022 Vol 1, D2D2 Emergency & Exit Lighting
Number of Exits
≥ 2 Exits each Storey if[1] > 25m Effective HeightNumber of EXITS NCC 2022 V2 Class 2 to 9
NCC 2022 D2D3 [2019, D1.2]
01 May 2023
NCC 2022 Vol 1, D2D3 (1) NCC 2022 Vol 1, D2D3 (2) (a) (i) NCC 2022 Vol 1, D2D3 (2) (a) (i) NCC 2022 Vol 1, D2D3 (4) (a) (i) NCC 2022 Vol 1, D2D3 (4) (a) (v) NCC 2022 Vol 1, D2D3 (4) (a) (iii) NCC 2022 Vol 1, D2D3 (4) (a) (iv) NCC 2022 Vol 1, D2D3 (3) NCC 2022 Vol 1, D2D3 (3) NCC 2022 Vol 1, D2D4 (2) ≥ 1 Exit required each Storey NCC 2022 Vol 1, D2D3 (1) , or ≥ 2 Exits each Storey if NCC 2022 Vol 1, D2D3 (2) (a) (i) > 25m NCC 2022 Vol 1, D2D3 (2) (a) (i) Effective Height of building> 6 Storeys in Class 9 NCC 2022 Vol 1, D2D3 (4) (a) (i) ≥ 2 Storeys in a School NCC 2022 Vol 1, D2D3 (4) (a) (v) Storey contains a 9b NCC 2022 Vol 1, D2D3 (4) (a) (iii) Early Childhood Centre, 9c NCC 2022 Vol 1, D2D3 (4) (a) (iv) Sleeping area Storey with direct access to Road or Open Space may have 1 Exit where Path of Travel can be achievedNCC 2022 Vol 1, D2D3 (3) ≥ 2 Exits from a Basement whereNCC 2022 Vol 1, D2D3 (3) > 1.5m Rise to Egress point≥ 1 Exit from a Basement ifNCC 2022 Vol 1, D2D4 (2) ≤ 50m² Floor Area, &≤ 20m Travel DistanceNCC 2022 Vol 1, D2D3 (2) (a) (i) Continuous Path of Travel
Unobstructed Heights [1] [2] ≥ 2m path of travel or required exit≥ 1.98m doorwayContinuous Path of Travel NCC 2022 V1 All Building Classes
NCC 2022 D4D4, D4D7, D4D13, F4, H5D1
[2019 D3.3, D3.6, D3.12, F2.0]
May 2023
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NCC 2022 Vol 1, D2D7 AS 1428.1:2009, 6.2 Doorway Exit Width
Must be clear from obstructions[1] Including door handles, door frame, & other attachments Doorway Exit NSW additional REQUIREMENTS NCC 2022 V1 Building Class 9b
NCC 2022 D2D9 [2019:d1.6(f)]
May 2023
NCC 2022 Vol 1, D2D9 NSW (e) Class 9b entertainment venueNCC 2022 Vol 1, D2D9 NSW (e) 1m to 3m width of exit and doorwayCompliance with NSW D2D9 for other parts of the building Doorway Exit Widths NCC 2022 V1 Building Class 9a & 9c
NCC 2022 Vol 1 D2D9 [2019:D1.6(f)]
May 2023
NCC 2022 Vol 1, D2D9 (b) NCC 2022 Vol 1, D2D9 (c) NCC 2022 Vol 1, D2D9 (d) Class 9a buildingNCC 2022 Vol 1, D2D9 (b) NCC 2022 Vol 1, D2D9 (c) 1m to 1.25m horizontal exit doorway width Class 9c building doorway width NCC 2022 Vol 1, D2D9 (d) 800mm ≥ 870mm common use areas such as lounges, dining, and the like ≥ 1.07m from a public corridor to a sole-occupancy unitClear width of a doorway with 2 leaves having one leaf fixed closed ≥ 870mm common use areas such as lounges, dining, and the like≥ 800mm storage areas, commercial kitchen & laundries, and the like≤ 750mm Bathroom or Sanitary CompartmentApplicable also in NSW & VIC NCC 2022 Vol 1, D2D9 Must be clear from obstructionsNCC 2022 Vol 1, D2D9 Including door handles, door frame, & other attachments Population Table
Exit widths may differ depending on number of occupants[1] Population Table NCC 2022 V1 All Building Classes
NCC 2022 D2D18 [2019:D1.13]
May 2023
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NCC 2022 Vol 1, D2D18 Exit Widths
Unobstructed Exit Widths except for ladders and doorways [1] Must not reduce in the direction of Egress[2] Exit Widths REQUIREMENTS NCC 2022 V2 All Building Classes
NCC 2022 D2D8 [2019:D1.6(b), (c), (d) and (e)]
May 2023
NCC 2022 Vol 1, D2D8 (5) NCC 2022 Vol 1, D2D8 If exiting requires stairs or a ramp with a slope steeper than 1:12 NCC 2022 Vol 1, D2D8 (5) For every additional 60 people, the exit width needs to increase by 500mm If there is no change in floor level For every additional 75 people, the exit width needs to increase by 500mm If ≥ 2000 persons occupying open bleachers17m total width of all exitsFor every additional 600 people, the exit width needs to increase by 1m Also applicable in NSW NCC 2022 Vol 1, D2D8 Exit Width NSW additional REQUIREMENTS NCC 2022 V1 Building Class 9b
NCC 2022 D2D8 [2019:D1.6(b). (c). (d) and (e)]
May 2023
NCC 2022 Vol 1, D2D8 NSW (5) Class 9b Unobstructed Exit Widths NCC 2022 Vol 1, D2D8 NSW (5) ≥ 2m total widthFor every additional 50 persons, exit width should increase 500mm Combined path must be as wide as the sum of all the individual required width If multiple exit paths merge into one If paths from exits to a public road or open space NCC 2022 Vol 1, D2D8 (1) NCC 2022 Vol 1, D2D10 Redirecting... (5)
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