NCC 2016 Volume Two
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Classification
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ACT 7.1.5 Building Sealing - Application of Part 3.12.3

ACT 7.1.5 Building Sealing - Application of Part 3.12.3

(a)

In applying Part 3.12.3.6to an addition or extension all requirements of the part must be satisfied except as provided in (b) or (c) below.

(b)

If the addition or extension houses an evaporative cooler to which 3.12.3.6 applies, the evaporative cooler must comply with 3.12.3.6 unless it—

(i)

has been relocated from the existing part of the building as part of constructing the addition or extension; and

(ii)

was not required to meet a provision like 3.12.3.6 when it was previously installed in the existing part of the building; and

(iii)

does not have a self-closing damper or the like; and

(iv)

has all outlets serving a heated space or a habitable room, in the addition or extension, provided with an automatic means, or a readily accessible manual means, of closing the outlet or the duct serving the outlet, such as a closable baffle or closable louvers on an outlet register. For this provision, an outlet with a manual means of closure is readily accessible if it is mounted in the ceiling of a room, and can be closed by a reasonable person standing on a step ladder and activating a baffle closer or by closing movable louvers or the like, by hand without a tool.

(c)

If the addition or extension contains a heated space or habitable room to which 3.12.3.6 applies, that is served by an evaporative cooler, the evaporative cooler must comply with 3.12.3.6 unless it—

(i)

served, and continues to serve, the existing part of the building; and

(ii)

was not required to meet a provision like 3.12.3.6 when it was previously installed in the existing part of the building; and

(iii)

does not have a self-closing damper or the like; and

(iv)

has all outlets serving a heated space or a habitable room in the addition or extension provided with an automatic means, or readily accessible manual means, of closing the outlet, or the duct serving the outlet, such as a closable baffle or closable louvers on an outlet register. For this provision, an outlet with a manual means of closure is readily accessible if it is mounted in the ceiling of a room, and can be closed by a reasonable person standing on a step ladder and activating a baffle closer or by closing movable louvers or the like, by hand without a tool.