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.
To direct Code users to:
9.11.1., which refers to standardized
methods of establishing the sound transmission class ratings of wall, floor
and ceiling assemblies, and
a series of tables in ., which list the sound transmission class ratings assigned to a selection of wall, floor
and ceiling assemblies.