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9.22.5.1.(1) | Application | Intent |
| OS1 | OP1 |
| Objective | OS1 Fire Safety |
| Attribution | |
| Application | Application 1: Noncombustible hearths
for masonry fireplaces constructed on-site, in buildings to
which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application
of Part 9].
Exceptions:
except as stated in Sentence 9.22.5.1.(2), which applies where
the fire chamber floor is elevated more than 150 mm above the
hearth.
Application 2: This also applies to fireplaces in buildings to
which Part 6 applies [see Sentence 1.3.3.2.(1) of Division A for application
of Part 6], as stated in Sentence 6.2.1.5.(1). |
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| Intent | Intent 1: To limit the probability that heat radiated from the fire
chamber or burning embers expelled from the fire chamber will lead to the
ignition of combustible building components in the vicinity of the fireplace
opening, which could lead to harm to persons. |
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