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9.21.2.2.(1) | Application | Intent |
| OH1 | OS3 |
| Objective | OH1 Indoor Conditions |
| Attribution | |
| Application | Application 1: Connection of multiple fuel-burning appliances,
having a combined total rated heat output of 120 kW or less,
to chimney flues for rectangular chimneys of brick masonry or concrete that 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], where:
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).
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 combustion products will spill
from one or more appliances into living space, which could lead to negative
effects on the air quality of indoor spaces, which could lead to harm to persons.
Intent 2: To exempt constructions from the application of Sentence 9.21.2.1.(1), where an adequate draft is maintained for each appliance
and the installation of flue pipes conforms to Sentences 9.21.2.2.(2) and (3).
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