The Ontario Building Code | Major Occupancies above Other Major Occupancies
9.10.2.3. Major Occupancies above Other Major Occupancies
(1) Except as permitted in Article 9.10.2.4., in any buildingcontaining more than 1 major occupancy in which onemajor occupancy is located entirely above another, the requirements of Article 9.10.8.1. for each portion of the building containing a major occupancy shall be applied to that portion as if the entire building was of that major occupancy.
In Plain Language
Where one major occupancy is located above a different major occupancy, this article sets out the specific fire separation and safety requirements that apply to that vertical arrangement.
This is a plain-language summary of the 2012/2017 Ontario Building Code text above, for general understanding only and not a substitute for the Code. Always confirm current requirements against the 2024 edition (O.Reg. 163/24) or a qualified professional before construction.