Sentence 3.1.8.9.(2)

Intent 1:

To exempt certain branch ducts from the application of Sentence 3.1.8.7.(2), which would otherwise require smoke dampers or combination smoke/fire dampers, on the basis that the lack of smoke dampers or combination smoke/fire dampers in this case will not lead to a significant spread of smoke.

Intent 2:

To direct Code users to Article 3.6.3.4. for exhaust duct risers referred to in Subclause 3.1.8.9.(2)(a)(ii).