The Ontario Building Code | Superimposed Major Occupancies

3.2.2.7. Superimposed Major Occupancies

(1) Except as permitted by Article 3.2.2.8. and Sentences 3.2.2.43A.(5) and 3.2.2.50A.(4), in a building in which one major occupancy is located entirely above another major occupancy, the requirements in this Subsection for each portion of the building containing a major occupancy shall apply to that portion as if the entire building was of that major occupancy.

(2) If one major occupancy is located above another major occupancy, the fire-resistance rating of the floor assembly between the major occupancies shall be determined on the basis of the requirements of this Subsection for the lower major occupancy.

Note: On July 1, 2017, Article 3.2.2.7. of Division B of the Regulation is amended by adding the following Sentence: (See: O. Reg. 139/17, s. 16)

(3) For the purposes of Sentences (1) and (2), a retirement homeis deemed to be a separate major occupancy.