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9.23.13.8.(7) | Application | Intent |
OS2 | OP2 | OH1 | OS1 | OS3 |
Objective | OS3 Safety in Use |
Attribution | |
Application | Application 1: Fastening together of lumber ceiling joists that are
shorter than the width of the roof and that act as ties for rafters that are
not supported at the ridge, 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 the inadequate splicing of ceiling
joists, which could lead to ceiling joist splices being unable to resist the
tension forces imposed by expected gravity and lateral loads on rafters, which
could lead to the lower end of rafters moving outward, which could lead to:
This is to limit the probability of the excessive
deflection of supporting walls, which could lead to compromised operation
of doors or windows required for egress in an emergency, which could lead
to harm to persons.
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