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9.21.5.1.(2) | Application | Intent |
OP1 | OS1 |
Objective | OP1 Fire Protection of the Building |
Attribution | |
Application | Application 1: Clearance between cleanout openings in rectangular masonry or concrete 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, and combustible material, 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 that, during a chimney fire, the
ignition of creosote and other accumulated combustible material in the cleanout
portion of chimneys will lead to excessive heat transfer to combustible building
components, which could lead to the ignition of combustible building components,
which could lead to damage to the building. |
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