The Ontario Building Code | Janitors’ Rooms

3.3.1.20. Janitors’ Rooms

(1) Except as permitted by Sentences (2) and (3), a room or space within a floor area for the storage of janitorial supplies shall be separated from the remainder of the buildingby a fire separation having a fire-resistance rating not less than 1 h.

(2) The fire-resistance rating of the fire separation required by Sentence (1) is permitted to be not less than 45 min provided the fire-resistance rating required by Subsection 3.2.2. is permitted to be less than 1 h for,

(a) the floor assembly above the floor area, or

(b) the floor assembly below the floor area, if there is no floor assembly above.

(3) The fire separation required by Sentence (1) is not required to have a fire-resistance ratingif the floor area in which the room or space is located is sprinklered.