NCC 2019 Volume One Amendment 1
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Section D Access and egress
Vary D1.2(b) by adding SA D1.2(b)(iii) and (iv)as follows:
SA D1.2 Number of exits required
(b)
Class 2 to 8 buildings—In addition to any horizontal exit, not less than 2 exits must be provided from the following:
(iii)
a storage shed in a bulk grain storage facility if the distance of travel to an exit is more than 150 m; and
(iv)
the gallery level of a in a cell type silo in a bulk grain storage facility.
D1.3(b) is varied by adding SA D1.3(b)(iv) as follows:
SA D1.3 When fire-isolated stairways and ramps are required
(b)
Class 5, 6, 7 or 9 buildings — Every stairway or ramp serving as a required exit must be fire-isolated unless—
(iv)
it is a required exit from a bulk grain storage facility and there are no window or door openings within 3 m of the stairway, ramp or ladder
D1.4 is varied by adding SAD1.4(g) and (h) as follows:
SA D1.4 Exit travel distances
(g)
Farm buildings — Notwithstanding (c), in a farm building—
(i)
no point on the floor must be more than 20 m from an exit , or a point from which travel in different directions to 2 exits is available, in which case the maximum distance to one of those exits must not exceed 60 m; and
(ii)
in a machinery room,plant-room or the like, the distance to a single exit serving a storey at the level of access to a road or open space may be increased to 30 m.
(h)
Bulk grain storage facilities — Notwithstanding (c), in a bulk grain storage facility—
(i)
where required exits are spaced not more than 100 m apart, the travel distance to an exit in a cell type silo or a storage shed is not limited.
D1.5 is varied by adding SAD1.5(e) as follows:
SA D1.5 Distance between alternative exits
(e)
Notwithstanding (c), exits that are required as alternative means of egress in a farm building must not be more than 80 m apart.
D1.9 is varied by adding SA D1.9(g) as follows:
SA D1.9 Travel by non-fire-isolated stairways and ramps
(g)
In a bulk grain storage facility, the distance from any point on the floor to a point of egress to a road or open space by way of a non-fire-isolated stairway, non-fire-isolated ramp or ladder is not limited.
D1.16 is varied by adding SAD1.16(c) as follows:
SA D1.16 Plant rooms, lift machine rooms, electricity network substations and cell type silos: Concession
(c)
in a bulk grain storage facility, a stair or ladder complying with AS 1657 may be used as an alternative means of egress from a cell type silo.
D2.15 is varied by adding SA D2.15(e) as follows:
SA D2.15 Thresholds
(e)
Notwithstanding the requirements of D2.15, where necessary due to the operational requirements of the building, a doorway serving an area in a farm building may incorporate a step that is not more than 700 mm above the finished floor level.
D2.18 is varied by adding SA D2.18(c) as follows:
SA D2.18 Fixed platforms, walkways, stairways and ladders
(c)
Areas within a farm building.
D2.20 is varied amending (b)(ii) and adding SA D2.20(b)(iii) as follows:
SA D2.20 Swinging doors
(b)
must swing in the direction of egress unless—
(ii)
it serves a sanitary compartment or airlock (in which case it may swing in either direction); or
(iii)
it serves a farm building; and
Delete D3.1 and substitute:
SA D3.1 General building access requirements
Buildings and parts of buildings must be accessible as required by Table D3.1 and SA Table D3.1a, unless exempt by D3.4.
SA Table D3.1a Additional requirements for access for people with a disability
| Class of building | Access requirements |
|---|---|
|
Class 2 In developments consisting of 20 or more residential sole-occupancy units |
To and within one residential sole-occupancy unit or 5% of the total number of residential sole-occupancy units provided, whichever is the greater |