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9.21.3.2.(1) | Application | Intent |
OH1 | OS2 | OS1 | OP1 | OS3 |
Objective | OH1 Indoor Conditions |
Attribution | |
Application | Application 1: Sealing of joints in chimney
liners for 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, 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 flue gases and condensate
in the cavity between the liner and surrounding masonry will leak through
gaps in masonry units, 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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