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Australian Building Codes Board
(b)
(c)
(ii)
open to—
(A)
(B)
(C)
Deemed-to-Satisfy Provisions
a suitably sized court, or space open to the sky; or
an open verandah, carport, or the like; or
an adjoining room in accordance with F4.7.
The requirements of (a)(i) do not apply to a Class 8 electricity network substation.
Windows and doors in an external part of a sound sensitive space subject to sound
of a designated sound exposure category of 4 or 5 must not be included when
calculating the aggregate opening or openable size required by (a)(i).
F4.7 Ventilation borrowed from adjoining room
Natural ventilation to a room may come through a window, opening, ventilating door or
other device from an adjoining room (including an enclosed verandah) if both rooms are
within the same sole-occupancy unit or the enclosed verandah is common property,
and—
(a)
(b)
(c)
in a Class 2 building, a sole-occupancy unit of a Class 3 building or Class 4 part of
a building—
(i)
(ii)
(iii)
the room to be ventilated is not a sanitary compartment; and
the window, opening, door or other device has a ventilating area of not less
than 5% of the floor area of the room to be ventilated; and
the adjoining room has a window, opening, door or other device with a
ventilating area of not less than 5% of the combined floor areas of both
rooms; and
in a Class 5, 6, 7, 8 (except a Class 8 electricity network substation) or 9 building—
(i)
(ii)
the window, opening, door or other device has a ventilating area of not less
than 10% of the floor area of the room to be ventilated, measured not more
than 3.6 m above the floor; and
the adjoining room has a window, opening, door or other device with a
ventilating area of not less than 10% of the combined floor areas of both
rooms; and
the ventilating areas specified in (a) and (b) may be reduced as appropriate if direct
natural ventilation is provided from another source.
F4.8 Restriction on position of water closets and urinals
A room containing a closet pan or urinal must not open directly into—
(a)
(b)
(c)
(d)
PUBLIC COMMENT DRAFT
a kitchen or pantry; or
a public dining room or restaurant; or
a dormitory in a Class 3 building; or
a room used for public assembly (which is not an early childhood centre, primary
school or open spectator stand); or
F4.7
NCC2014 Volume One