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9.23.13.9.(1) | Application | Intent |
| OS2 | OP2 | OH1 | OS1 |
| Objective | OH1 Indoor Conditions |
| 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 wood-frame construction supports or is part of an environmental
separator, this is to limit the probability of the displacement or failure
of required environmental separation elements, which could lead to:
This is to limit the probability of:
This is to limit the probability of:
This is to limit the probability of harm to persons.
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