NCC 2022 Volume One - Building Code of Australia Class 2 to 9 buildings
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I4
WA Part I4 Public buildingsWA Part I4 Public buildings
Introduction to this Part
WA Part I4 contains Deemed-to-Satisfy Solutions for WA public buildings that are additional to those contained in Sections D, F and I.
Deemed-to-Satisfy Provisions
NCC Blurbs
- Part D2, Part D3 and F6D5; and
- for additional requirements for WA public buildings, WA Part I4.
NCC Title
Deemed-to-Satisfy Provisions
NCC State
WA
NCC SPTC Current
Deemed-to-Satisfy Provisions
Building Classes
1a,1b,10a,10b,10c
NCC Blurbs
The Deemed-to-Satisfy Provisions of this Part apply to a WA public building or part of a building.
NCC Title
Application of Part
NCC State
WA
NCC SPTC Current
Application of Part
Building Classes
1a,1b,10a,10b,10c
NCC Blurbs
In a WA public buildings, each storey that accommodates more than 50 persons must have more than one exit from that storey.
NCC Title
Additional exits
NCC State
WA
NCC SPTC Current
Additional exits
Building Classes
1a,1b,10a,10b,10c
NCC Blurbs
NCC Title
Goings and risers
NCC State
WA
NCC SPTC Current
Goings and risers
Building Classes
1a,1b,10a,10b,10c
NCC Blurbs
- both sides of a ramp or flight; and
- each side of a landing, except for that part of a side that is interrupted by a ramp or flight.
- handrails referred to in D3D23; or
- handrails located within a fire-isolated stairway or fire-isolated ramp.
NCC Title
Handrails to ramps, flights and landings
NCC State
WA
NCC SPTC Current
Handrails to ramps, flights and landings
Building Classes
1a,1b,10a,10b,10c
NCC Blurbs
- provide a minimum illuminance of 1 lux at ground level; and
- be connected to circuits separate from those supplying lighting for foyers, entry porches, emergency escape passages or areas provided entry or egress to the WA public building; and
- be connected over two circuits where two or more lights are required; and
- have switches that are not able to be operated by members of the public.
NCC Title
Artificial lighting
NCC State
WA
NCC SPTC Current
Artificial lighting
Building Classes
1a,1b,10a,10b,10c
NCC Blurbs
Where fixed seating in a Class 9b WA public building is arranged in more than one row—
- aisles must be provided on both sides of every row that contains more than 10 seats; and
- the number of seats in a row must not exceed 42.
NCC Title
Fixed seating
NCC State
WA
NCC SPTC Current
Fixed seating
Building Classes
1a,1b,10a,10b,10c