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9.32.3.13.(12) | Application | Intent |
OH2 | OS1 |
Objective | OS1 Fire Safety |
Attribution | |
Application | Application 1: Material for screens and grilles on air intake and
exhaust openings, 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 of the premature failure of screens
or grilles on air intake or exhaust openings, which could lead to the entry
of vermin (such as mice, rats or squirrels) into buildings, which could lead
to damage to electrical wiring, which could lead to the ignition of combustible
materials, which could lead to harm to persons. |
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