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9.23.5.5.(1) | Application | Intent |
| OS2 | OP2 | OH1 | OS1 |
| Objective | OS1 Fire Safety |
| Attribution | |
| Application | Application 1: Notching, drilling or otherwise weakening wood roof
trusses, 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 of an overly reduced cross-section,
which could lead to an inability to resist expected gravity and lateral loads,
which could lead to excessive movement or deformation, or bending or buckling
failure, which could lead to excessive deflection and damage to roofing.
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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