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9.4.3.1.(1)
OS2OP2OH4OS3OH1
ObjectiveOH4 Vibration and Deflection Limitation
Attribution
[F22-OH4]
Application
Application 1: 
Maximum deflection of roof rafters, roof joists, roof beams and roof decking of plank and beam construction, ceiling joists, floor joists, floor beams, and floor decking, beams, joists and decking for balconies, decks and other accessible exterior platforms, in buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9].
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Intent
Intent 1: 
To limit the probability that floor and roof systems will be excessively springy, or will become noticeably deformed, which could lead to negative effects on the psychological well-being of persons.
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