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9.23.13.8.(4) | Application | Intent |
| OS2 | OP2 | OH1 | OS1 | OS3 |
| Objective | OS1 Fire Safety |
| Attribution | |
| Application | Application 1: Ridge support for lumber roof joists and rafters sloped
at 1 in 3 or greater, in wood-frame constructions to which Section 9.23. applies
[see Sentence 9.23.1.1.(1) for application of Section 9.23.],
where the lower ends of rafters are adequately tied to prevent outward movement.
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| Intent | Intent 1: To limit the probability of instability of the roof framing
in constructions without ridge support where roofs are sufficiently steep
to effectively shed snow, which could lead to an inability to resist expected
gravity loads, which could lead to the lower ends of rafters or joists moving
outward, which could lead to:
Where assemblies are required to provide fire
resistance, this is to limit the probability of compromised fire resistance
of the assembly, which could lead to harm to persons.
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