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9.11.1.1.(1)
OH3
ObjectiveOH3 Noise Protection
Attribution
Application
Application 1: 
Determination of sound transmission class ratings of wall, floor and ceiling construction separating dwelling units from other space, 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 occupants in one part of a building will be exposed to excessive levels of airborne noise from other parts of a building, which could lead to negative effects on the psychological well-being of persons.
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