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9.23.13.9.(1) | Application | Intent |
| OS2 | OP2 | OH1 | OS1 |
| Objective | OS1 Fire Safety |
| Attribution | |
| Application | Application 1: Acceptable methods for restraining the bottom edges
of lumber roof joists supporting ceiling material other than structural sheathing,
in wood-frame constructions to which Section 9.23. applies
[see Sentence 9.23.1.1.(1) for application of Section 9.23.].
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| Intent | Intent 1: To limit the probability that low-strength interior finishes
will be relied on to provide lateral restraint, which could lead to an inability
to resist expected gravity or lateral loads or shrinkage stresses due to drying,
which could lead to joists twisting, which could lead to failure of the ceiling.
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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