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9.23.9.5.(1) | Application | Intent |
| OS2 | OP2 | OH1 | OH4 | OS1 | OS3 |
| Objective | OS1 Fire Safety |
| Attribution | |
| Application | Application 1: Doubling of header joists spanning more than 1.2
m, but less than 3.2 m [see Sentence 9.23.9.5.(2)],
around floor openings, 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 inadequate strength and stiffness,
which could lead to an inability to resist expected dead and live gravity
loads, which could lead to the excessive movement, deformation or failure
of floor assemblies. 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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