The Ontario Building Code | Voice Communication System

3.2.6.8. Voice Communication System

(1) A voice communication system conforming to Article 3.2.4.23. shall be provided in a building if,

(a) the floor of the top storey is more than 36 m above grade,

(b) a floor areaor part of a floor area located above the third storey is designed or intended for use as a Group B, Division 2 or 3 occupancy, or

(c) a floor areaor part of a floor area located more than 18 m above grade is designed or intended for use as a retirement home regulated under the Retirement Homes Act, 2010 that is a Group C occupancy.