The Ontario Building Code | Mezzanine Means of Egress
184.108.40.206. Mezzanine Means of Egress
(1) Except as provided by Sentences (2) and (3), the space above a mezzanineshall be served by at least two means of egressleading to exits accessible at the mezzanine level on the same basis as floor areas.
(2) Onemeans of egress from a mezzanineis permitted, where,
(a) the mezzanineis not required to terminate at a vertical fire separation, as permitted by Sentence 220.127.116.11.(2),
(b) the occupant load of the mezzanine is not more than 60,
(c) the area of the mezzanine does not exceed the area limits of Clause 18.104.22.168.(1)(a), and
(d) the distance limits of Clause 22.214.171.124.(1)(b) measured along the path of travel, are not exceeded from any point on the mezzanine to,
(ii) an egress stairway leading to an access to exit in the space below if that space is required to be served by two or more egress doorway ="http://thehandyforce.com/doors/" title ="Toronto Door installer">doorways in conformance with Sentence 126.96.36.199.(1).
(3) One of the means of egress from a mezzaninethat is not required to terminate at a fire separation as permitted by Sentence 188.8.131.52.(2) and that exceeds the limits of Sentence (2), is permitted to lead through the room in which the mezzanine is located provided all other means of egress from that mezzanine lead to exits accessible at the mezzaninelevel.
(4) Except as provided in Sentence (2), the maximum travel distance from any point on a mezzanine to the nearest exit shall be not more than,
(a) 40 m in a business and personal services occupancy,
(c) 30 m in any floor area not referred to in Clause (a) or (b).
9.9.9. Egress from Dwelling Units