The Ontario Building Code | Safety Requirements Within Floor Areas
220.127.116.11. Safety Requirements Within floor Areas
(1) Except as provided in Sentences (2) to (12), the requirements in Section 3.3. shall apply.
(2) A corridor need not be constructed as a public corridor where the travel distance, measured from inside the rental space to the nearest exit, is not more than 15 m provided that the corridor walls,
(a) are of noncombustible construction,
(3) Where the building is sprinklered, doors in a public corridor do not require to be equipped with self-closing devices and latches provided that the travel distance is measured from inside the rental space to the nearest exit.
(4) Egress doors from a rental space are not required to swing in the direction of exit travel or swing on a vertical axis provided,
(a) the area of the rental space is not more than 50 m2, and
(b) the distance of travel within the rental space is not more than 10 m.
(5) Where egress doors from a rental space open onto a corridor and swing in the direction of exit travel, the corridor shall be not less than 1 500 mm wide, and the doors shall be not more than 914 mm wide.
(7) Dead end corridors are not permitted.
(8) corridors shall be provided with,
(b) emergency lighting="http://thehandyforce.com/electrical/" title ="East York Electrician">lighting, conforming to Sentences 18.104.22.168.(1) and (2), that shall provide average levels of illumination not less than 10 lx at floor level.
(9) Not more than two dwelling units shall be contained within one of the buildings on the property.
(10) Except as provided in Sentence (11), dwelling units shall be separated from the remainder of the buildingby a fire separation having a fire-resistance rating not less than 2 h.
(11) A fire separation is not required between a dwelling unit and an office where the office is not more than 50 m2 in area.
(12) The fire separations required in Sentence 22.214.171.124.(1) need not be provided between individual rental spaces.