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9.8.9.5.(2) | Application | Intent |
| OH4 | OS2 |
| Objective | OH4 Vibration and Deflection Limitation |
| Attribution | |
| Application | Application 1: Orientation of the face grain of stair treads made
of plywood or OSB that are not continuously supported by the riser, 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 that stair treads spanning in the
weak direction of the material will lead to excessive springiness or excessive
deflection, which could lead to user anxiety. |
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