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9.25.3.3.(2) | Application | Intent |
OH1 | OS3 | OS2 | OS1 |
Objective | OS1 Fire Safety |
Attribution |
(a)
[F44-OS1.1]
Applies where the air barrier system separates
a garage, or suite containing a garage, from residential
space.
|
Application | Application 1: Sealing of joints in flexible sheet 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]. |
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Intent | Intent 1: To limit the probability of openings in the joints of flexible
sheet material (such as polyethylene) under in-service tensile stresses, which
could lead to a loss of airtightness. Where the air barrier
system separates a garage, or suite containing a garage, from residential
space, to limit the probability that gas and fumes will migrate from the garage
into the remainder of the building, which could lead to the accumulation of
gas and fumes and their subsequent ignition by a nearby ignition source, which
could lead to a fire or explosion, which could lead to harm to persons.
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