WA Part H101 Public buildings
WA Part H101 contains Deemed-to-Satisfy Solutions for WA public buildings that are additional to those contained in Sections D, F and H.
WA H101.0 Deemed-to-Satisfy Provisions
Where a Deemed-to-Satisfy Solution is proposed, Performance Requirements DP1, DP2, DP3, DP4, DP6 and FP4.2 are satisfied by complying with—
for additional requirements for WA public buildings, WA Part H101.
Where a Performance Solution is proposed, the relevant Performance Requirements must be determined in accordance with A2.2(3) and A2.4(3) as applicable.
WA H101.1 Application of Part
The Deemed-to-Satisfy Provisions of this Part apply to a WA public building or part of a building.
WA H101.2 Additional exits
In a WA public building, each storey that accommodates more than 50 persons must have more than one exit from that storey.
WA H101.3 Goings and risers
Steps serving a WA public building must have risers not more than 180 mm and goings not less than 280 mm.
The requirements of (a) do not apply to steps in a fire-isolated stairway.
WA H101.4 Handrails to ramps, flights and landings
For a WA public building, handrails must be located along—
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.
The requirements of (a) do not apply to—
handrails referred to in D2.18; or
handrails located within a fire-isolated stairway or fire-isolated ramp.
WA H101.5 Artificial lighting
Artificial lighting must be provided along the external path of travel (including steps, landings, ramps or paths) to a road or open space associated with each exit from a WA public building.
The artificial lighting system required by (a) must—
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 providing 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.
WA H101.6 Fixed seating
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 between aisles must not exceed 42.