To limit the transmission of airborne sound into a
dwelling unit from spaces
elsewhere in the building (See
Sentence
3.1.1.2.(2) for application
limitation).
Objective:
OH3.1
APPLICATION:
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].
INTENT:
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.