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5.9.1.2.(2) | Application | Intent |
| OH3 |
| Objective | OH3 Noise Protection |
| Attribution | |
| Application | Application 1: Minimum sound transmission class rating of construction
separating dwelling units from elevator hoistways
and refuse chutes in buildings.
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| Intent | Intent 1: To limit the probability that excessively high sound levels
will be transmitted into a dwelling unit from an elevator hoistway or a refuse
chute, which could lead to persons being exposed to excessively high sound
levels in the dwelling unit, which could lead to negative effects on the psychological
well-being of persons. Intent 2: To supersede the requirement of Sentence (1) and require a rating of not less than 55, in cases where dwelling
units are adjacent to elevator hoistways and refuse chutes, on the basis that
hoistways and chutes are expected to generate relatively high noise levels.
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