3.2.6.6.

(1) The requirements of Sentences 3.2.6.2.(2)v1 and (4) and Clause 3.2.6.2.(3)(a)v1 are waived in a building of Group C major occupancy classification,

(a) where each suite above grade has direct access to an exterior balcony that conforms to the requirements of Sentence 3.3.1.7.(7)v1,

(b) where each stairway that serves storeys above the lowest exit level is vented to the outdoors at or near the bottom of the stair shaft,

(c) where measures are taken to limit movement of smoke from a fire in a floor area below the lowest exit storey into upper storeys, and

(d) where, except for exhaust fans in kitchens, washrooms and bathrooms in dwelling units, air moving fans are designed and installed so that in the event of a fire such fans can be stopped by means of a manually operated switch at the central alarm and control facility where the system serves more than 2 storeys.

(2) The requirements of Sentences 3.2.6.2.(2)v1 and (3) are waived in a Group C major occupancy apartment building.