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9.18.7.1.(3) | Application | Intent |
OS1 |
Objective | OS1 Fire Safety |
Attribution | |
Application | Application 1: Combustible ground cover
in crawl spaces whose exterior walls have less than 25% of their total area
above exterior ground level open to the outdoors, that are under 1-storey portions
of dwelling units and are used as warm-air plenums, 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 that debris, such as smouldering
cigarette butts, will fall through floor registers and lead to the ignition
of combustible materials in the crawl space plenum, which could lead to harm
to persons. |
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