NCC 2016 Volume One
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Classification
Building class 1a Building class 1b Building class 2 Building class 3 Building class 4 Building class 5 Building class 6 Building class 7a Building class 7b Building class 8 Building class 9a Building class 9b Building class 9c Building class 10a Building class 10b Building class 10c

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Classification
Building class 1a Building class 1b Building class 2 Building class 3 Building class 4 Building class 5 Building class 6 Building class 7a Building class 7b Building class 8 Building class 9a Building class 9b Building class 9c Building class 10a Building class 10b Building class 10c
SA Part G8 Miscellaneous Provisions

SA Part G8 Miscellaneous Provisions

SA GP8.1

An attachment to a building must incorporate features that will—

(a)

protect it against corrosion; and

(b)

collect and discharge its rainwater run-off safely; and

(c)

prevent its projection affecting adjacent road safety conditions or pedestrian traffic; and

(d)

provide resistance to the spread of fire if it overhangs a street boundary,

to a degree necessary to avoid creating hazardous conditions that may cause injury to people passing below or driving past.

SA G8.0 Deemed-to-Satisfy Provisions

Performance RequirementSA GP8.1 is satisfied by complying with SA G8.1 and SA G8.2.

SA G8.1 Application of Part

The following provisions apply to Class 2 to 9 buildings.

SA G8.2 Attachments to buildings

(a)

An attachment to a building that is in the nature of a balcony or awning, bridge, gangway, hoarding or trade sign, sky sign, mast, flagpole, tower, aerial or antenna, lantern, cathead, crane, chimney, flue or duct, or an installation for cleaning and maintenance access must—

(i)

have all metal parts of corrosion resistant metal, or other metal suitably protected;

(ii)

not overhang any street boundary at a height less than 2.5 m above the footpath, or 4 m above the roadway; and

(iii)

be provided with drainage to prevent rainwater or condensate falling onto or running across the footpath, unless either it is a retractable awning in the nature of a sun blind, or unless the total catchment area for run-off is less than 1.5 m2.

(b)

A balcony or awning that overhangs a street boundary—

(i)

must not extend closer than 450 mm to the kerb of the roadway; and

(ii)

must be constructed of non-combustible or fire-retardant materials throughout, except that timber battens may be used to support the soffit lining.