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9.22.5.2.(1) | Application | Intent |
| OS1 | OS2 | OP1 |
| Objective | OS2 Structural Safety |
| Attribution | |
| Application | Application 1: Support of fire chamber floors and 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 9.22.5.2.(2), which applies to
hearths for fireplaces with an opening raised not less than 200 mm from
a combustible floor.
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 insufficiently thick or unreinforced
concrete for fire chamber floors and hearths will lead to the structural failure
of the support for the fire chamber floor or hearth, which could lead to harm
to persons. |
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