(1) Except as provided by Sentences (2) and (3), the space above a mezzanine shall be served by at least two means of egress leading to exits accessible at the mezzanine level on the same basis as floor areas.
(2) One means of egress from a mezzanine is permitted, where,
(a) the mezzanine is not required to terminate at a vertical fire separation, as permitted by Sentence 9.10.12.1. (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 9.9.7.4. (1) (a), and
(d) the distance limits of Clause 9.9.7.4. (1) (b) measured along the path of travel, are not exceeded from any point on the mezzanine to,
(i) an egress door serving the space that the mezzanine overlooks if the space is served by a single egress door, or
(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 doorways in conformance with Sentence 9.9.7.4. (1).
(3) One of the means of egress from a mezzanine that is not required to terminate at a fire separation as permitted by Sentence 9.10.12.1. (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 mezzanine level.
(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,
(b) 45 m in a floor area that is sprinklered provided it does not contain a high hazard industrial occupancy, or
(c) 30 m in any floor area not referred to in Clause (a) or (b).