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9.21.4.8.(1) | Application | Intent |
| OS2 | OP1 | OS1 | OP2 |
| Objective | OP2 Structural Sufficiency of the Building |
| Attribution | |
| Application | Application 1: Materials for walls of rectangular masonry chimneys that
are not more than 12 m in height and that serve fireplaces or appliances having a combined total rated heat output
of 120 kW or less, in buildings to
which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application
of Part 9]. Application 2: This also applies to rectangular masonry
or concrete chimneys, 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 6.3.1.2.(1). |
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| Intent | Intent 1: To limit the probability of an insufficient resistance to
wind loads, which could lead to the structural failure of chimneys, which
could lead to damage to the building. |
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