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9.21.2.1.(2) | Application | Intent |
OH1 | OS3 |
Objective | OH1 Indoor Conditions |
Attribution | |
Application | Application 1: Chimney flues serving
solid-fuel-burning appliances having a combined
total rated heat output of 120 kW or less, where rectangular masonry or concrete chimneys are not more than 12
m in height, 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 chimney flues serving solid-fuel-burning appliances having
a combined total rated heat output of 120 kW or less, where rectangular masonry or concrete chimneys are not more than 12
m in height, 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).
Exceptions:
except as stated in Sentence 9.21.2.1.(1), which applies to
fireplaces and incinerators.
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Intent | Intent 1: To limit the probability that the powerful exhausting capacity
of solid-fuel-burning appliances will partially or completely overpower the
draft of other fuel-burning appliances that have a less powerful draft, which
could lead to combustion products escaping from these other fuel-burning appliances,
which could lead to negative effects on the air quality of indoor spaces,
which could lead to harm to persons. |
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