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9.8.9.5.(1) | Application | Intent |
| OH4 | OS2 |
| Objective | OH4 Vibration and Deflection Limitation |
| Attribution | |
| Application | Application 1: Minimum thickness of stair treads made of lumber,
plywood or O-2 grade OSB for stairs within dwelling
units, in buildings to which Part 9 applies
[see Sentence 1.3.3.3.(1) of Division A for application of Part 9].
Application 2: This also applies to stairs within dwelling
units, in buildings to which Part 3 applies
[see Sentence 1.3.3.2.(1) of Division A for application of Part 3], as
stated in Sentence 3.3.4.7.(1). |
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| Intent | Intent 1: To limit the probability of inadequate thickness, which
could lead to excessive springiness or excessive deflection of stair treads,
which could lead to user anxiety. |
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