The Ontario Building Code | Superimposed Major Occupancies
22.214.171.124. Superimposed Major Occupancies
(1) Except as permitted by Article 126.96.36.199. and Sentences 188.8.131.52A.(5) and 184.108.40.206A.(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 220.127.116.11. 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.