Back9.11.2.1.(2)

ATTRIBUTION:

Functional Statement:

F56

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:

Minimum sound transmission class rating of wall construction separating dwelling units from elevator shafts or refuse chutes, 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 will be exposed to excessive levels of airborne noise from elevator shafts or refuse chutes, which could lead to negative effects on the psychological well-being of persons.
To supersede the requirement stated in Sentence (1), in situations where dwelling units are adjacent to an elevator shaft or a refuse chute.
To direct Code users to:
  • Subsection 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.