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9.25.3.3.(1)
OH1OS2OS1OS3
ObjectiveOS3 Safety in Use
Attribution
[F44-OS3.4] Applies where the air barrier system separates a garage, or suite containing a garage, from residential space.
Application
Application 1: 
Sealing of joints in air-impermeable panel-type materials installed to provide airtightness in required air barrier systems, in buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9].
This applies to buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9].
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Intent
Intent 1: 
Where the air barrier system separates a garage, or suite containing a garage, from residential space, to limit the probability of inadequate airtightness, which could lead to the leakage of carbon monoxide gas into living space, which could lead to the asphyxiation or acute poisoning of persons.
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