9.10.12.1. Termination of Floors or Mezzanines

(1)

Except as provided in Sentence (2) and in Articles 9.10.1.3. and 9.10.9.5., the portions of a floor area or mezzanine that do not terminate at an exterior wall, a firewall or a vertical shaft, shall terminate at a vertical fire separation having a fire-resistance rating not less than that required for the floor assembly that terminates at the separation.

(2)

A mezzanine need not terminate at a vertical fire separation where the mezzanine is not required to be considered as a storey in Articles 9.10.4.1. and 9.10.4.2.