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9.13.4.6.(10) | Application | Intent |
OS2 | OS3 | OH1 | OH1 |
Objective | OH1 Indoor Conditions |
Attribution | |
Application | Application 1: Make-up air, in buildings to
which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application
of Part 9] that contain a single dwelling unit that
is provided with a sub-floor depressurization system for an interior floor-on-ground
and contains fuel-fired appliances that are required
to be vented and are vented through a chimney [see Sentence 9.32.3.8.(9)].
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Intent | Intent 1: To limit the probability that an inadequate supply of make-up
air will lead to the excessive depressurization of dwelling units, which could
lead to:
This is to limit the probability of:
This is to limit the probability of negative effects on the air
quality of indoor spaces, which could lead to harm to persons.
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