National Building Code of Canada - Section 272

Division B 3.3.3.4. 3) Glazing in individual fixed or operable panels of a door need not comply with Sentence (1), where a) the bottom exposed edge of the glazing is located more than 1 525 mm above the walking surface on each side of the door, or b) the glazed opening in the door does not permit the passage of a sphere whose diameter is more than 75 mm. 4) Glazing in individual fixed or operable panels of a window need not comply with Sentence (2), where a) the bottom exposed edge of the glazing is located more than 1 525 mm above the walking surface on each side of the window, or b) the glazing is located more than 915 mm away from the walking surface on each side of the window measured perpendicular to the plane of the glazing. 3.3.3. Care, Treatment or Detention Occupancies 3.3.3.1. Application 1) This Subsection applies to care , treatment and detention occupancies .(See Note A-3.3.3.1.(1).) 3.3.3.2. Separations between Care, Treatment or Detention Occupancies and Repair Garages 1) The fire separation required by Sentence 3.3.5.5.(1) between a care , treatment or detention occupancy and a repair garage shall have no openings. 3.3.3.3. Corridors 1) Except as provided in Sentence (2), a corridor used by the public or serving patients' or residents' sleeping rooms shall have no dead-end portion. 2) Corridors are permitted to have dead-portions, where a) the area served by the dead-end portion has a second and separate means of egress ,or b) the corridor serves a suite of care occupancy and the dead-end portion does not exceed 6 m. 3) Corridors shall be not less than a) 2 400 mm wide in buildings of treatment occupancy where the corridors may be used to move patients or residents in beds, b) 1 650 mm wide i) in buildings of care or treatment occupancy where the corridors will not be used to move patients or residents in beds, and ii) in buildings of care occupancy with more than 10 residents and where the corridors serve the residents, or c) 1 100 mm wide in buildings of care occupancy with not more than 10 residents. 4) Paired doors in a corridor referred to in Clause (3)(a) shall a) swing in opposite directions, the right-hand door swinging in the direction of travel, and b) be not less than 1 100 mm wide. 3.3.3.4. Doorway Width 1) Except as provided in Sentence (2) and within individual suites of care occupancy, the minimum clear width of a doorway shall be 850 mm where it opens into or is located within a public corridor or other facility that provides access to exit for patients or residents in floor areas containing care or treatment occupancies. 2) The minimum clear width of doorways through which it is necessary to move patients in bed shall be 1 050 mm . (See Note A-3.3.3.4.(2).) National Building Code of Canada 2025 Volume 1 Division B 3-133