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9.27.2.2.(4) | Application | Intent |
| OS2 | OH1 |
| Objective | OS2 Structural Safety |
| Attribution | |
| Application | Application 1: Protection against precipitation ingress by cladding
assemblies to which Subsection 9.27.2. applies [see Article 9.27.1.1. for
application of Subsection 9.27.2.], where exterior walls enclose
spaces of residential occupancy or spaces that
directly serve spaces of residential occupancy,
in buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9].
Exceptions:
except as stated in Sentence 9.27.2.1.(1), which applies where
it can be shown that precipitation ingress will not adversely affect occupant
health or safety.
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| Intent | Intent 1: To limit the probability of precipitation or meltwater ingress,
or an inadequate dissipation of moisture from behind the cladding.
This is to limit the probability of deterioration, which could lead
to structural failure of exterior walls or elements supported or protected
by exterior walls, which could lead to harm to persons.
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