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9.21.2.1.(1) | Application | Intent |
OH1 | OS3 |
Objective | OH1 Indoor Conditions |
Attribution | |
Application | Application 1: Chimneyflues serving
fireplaces or incinerators 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 fireplaces or incinerators 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). |
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Intent | Intent 1: To limit the probability that the powerful exhausting capacity
of solid-fuel-burning fireplaces or incinerators 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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