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9.23.4.4.(1) | Application | Intent |
OS2 | OP2 | OH4 | OH1 | OS1 | OS3 |
Objective | OS1 Fire Safety |
Attribution | |
Application | Application 1: Reduction in maximum spans or spacing of lumber joists
used to support floors with a concrete topping, in residential applications
or where the live load on any floor 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.].
Exceptions:
except as stated in Sentence 9.23.4.4.(2), which applies where
the concrete:
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Intent | Intent 1: To limit the probability of excessively long spans, which
could lead to inadequate strength to support the additional weight of a concrete
topping, which could lead to excessive deflection or failure. 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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