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9.32.3.11.(7) | Application | Intent |
OH1 |
Objective | OH1 Indoor Conditions |
Attribution | |
Application | Application 1: Installation and support for ductwork, in self-contained
heating-season mechanical ventilation systems serving single dwelling
units with 5 or fewer bedrooms that are supplied with electrical power
and a heating system, in buildings to which:
Exceptions:
except as stated in Sentence 9.32.3.1.(1), which applies to
heating-season mechanical ventilation systems designed to comply with CAN/CSA-F326-M.
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Intent | Intent 1: To limit the probability that the cross-sectional area of
the ductwork will be reduced by crushing, which could lead to a reduced volume
of air distribution in the ductwork, which could lead to:
This is to limit the probability of negative
effects on the air quality of indoor spaces, which could lead to harm to persons.
Intent 2: To limit the probability of excessive sagging, movement
or vibration, which could lead to:
This is to limit the probability of the generation
of pollutants from biological growth, which could lead to negative effects
on the air quality of indoor spaces, which could lead to harm to persons.
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