Back3.1.8.8.(3)

ATTRIBUTION:

Most technical provisions of the BC Fire Code describe how the code’s objectives and functional statements are achieved. However, some provisions, like this one, do not relate directly to a code objective. The following analysis is provided to assist in understanding of the provision.

 

APPLICATION:

Fire dampers in noncombustible ducts that penetrate a horizontal fire separation not required to have a fire-resistance rating, in buildings described in Sentence 1.3.3.2.(1) of Division A.

INTENT:

To exempt certain ducts from the application of Sentence 3.1.8.7.(1), which would otherwise require fire dampers, on the basis that the installation of fire dampers in this case would lead to a higher level of fire-resistance at the fire damper location than that provided by the fire separation.