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9.21.2.5.(1) | Application | Intent |
OH1 | OS3 |
Objective | OH1 Indoor Conditions |
Attribution | |
Application | Application 1: Minimum size of chimney flues for rectangular masonry or
concrete chimneys that are not more than 12 m in height
that serve masonry fireplaces having a 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 that an inadequately sized chimney
flue will be unable to vent all the combustion products from a fireplace,
which could lead to the spillage of combustion products into living space,
which could lead to negative effects on the air quality of indoor spaces,
which could lead to harm to persons. |
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