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9.20.8.2.(1) | Application | Intent |
| OH1 | OS2 | OP2 | OS1 | OH4 | OS3 |
| Objective | OS1 Fire Safety |
| Attribution | |
| Application | Application 1: Floor joists supported on cavity
walls, in buildings to which Part 9 applies
[see Sentence 1.3.3.3.(1) of Division A for application of Part 9]:
Exceptions:
except as stated in Sentence 9.20.1.1.(2), which applies to buildings other than described above, or where the masonry
is designed for specified loads on the basis of ultimate and serviceability
limit states.
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| Intent | Intent 1: To limit the probability of inadequate strength or depth
of the masonry courses that support floor joists, which could lead to over-stressing
of masonry units under concentrated roof or floor loads transmitted through
framing elements, which could lead to cracking of cavity walls.
Where masonry construction is 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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