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9.20.7.3.(1) | Application | Intent |
OS2 | OP2 | OH1 | OS1 | OH4 | OS3 |
Objective | OH4 Vibration and Deflection Limitation |
Attribution | |
Application | Application 1: In buildings to which Part
9 applies [see Sentence 1.3.3.3.(1) of Division A for application of
Part 9], minimum distance between chases or recesses, and between chases or
recesses and vertical elements providing lateral support, in:
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 that masonry adjacent to chases
or recesses will be unable to resist concentrated vertical loads or to transfer
horizontal loads to supporting elements, which could lead to cracking.
This is to limit the probability of:
For floors and elements supporting floors, this is to limit the
probability of excessive movement, deflection or vibration, which could lead
to negative effects on the psychological well-being of persons.
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