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9.23.9.4.(6) | Application | Intent |
| OS2 | OP2 | OH1 | OH4 | OS1 | OS3 |
| Objective | OS1 Fire Safety |
| Attribution | |
| Application | Application 1: Materials, minimum thickness and support for panel-type
ceilings fastened to the furring of lumber floor joists used to support floors
in residential applications or where the floor live load does
not exceed 1.9 kPa, in wood-frame constructions to which Section 9.23. applies [see Sentence 9.23.1.1.(1) for application
of Section 9.23.], where:
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| Intent | Intent 1: To limit the probability of inadequate restraint of the
lower edges of joists, which could lead to excessive twisting of joists, which
could lead to an inability to resist expected gravity and lateral loads.
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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