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4.1.5.1.(1)
ApplicationIntent
OS2OP2OH4
ObjectiveOH4 Vibration and Deflection Limitation
Attribution
[F22-OH4]
Application
Application 1: 
Determination of live loads due to use and occupancy on floors and roofs as specified in Sentences 4.1.5.3.(1) and 4.1.5.10.(1) for the structural design of buildings.
This applies to buildings described in Sentence 1.3.3.2.(1) of Division A and to buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9] that are required to be designed in accordance with the requirements of Part 4.
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Intent
Intent 1: 
To limit the probability that the live load due to use and occupancy, which is used for the design of structural elements, will not take into account the most critical of the uniformly distributed specified live load, the live load resulting from the intended use or the concentrated specified live load, which could lead to the excessive deflection or excessive vibration of structural elements, which could lead to negative effects on the psychological well-being of persons.
Intent 2: 
To direct Code users to Sentence 4.1.5.3.(1) for specified uniformly distributed live load due to use and occupancy, and to Sentence 4.1.5.10.(1) for specified concentrated live load due to use and occupancy.
Intent 3: 
To direct Code users to Sentence 4.1.5.1.(2) for buildings in the Low Importance Category according to Table 4.1.2.1.
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