3.4.2.4.

(1) Except as permitted by Sentence (2), for the purposes of this Subsection, travel distance means the distance from any point in the floor area to an exit measured along the path of travel to the exit.

(2) The travel distance from a suite or a room not within a suite is permitted to be measured from an egress door of the suite or room to the nearest exit provided,

(a) the suite or room is separated from the remainder of the floor area by a fire separation,

(i) having a fire-resistance rating not less than 45 min in a floor area that is not sprinklered, or

(ii) that is not required to have a fire-resistance rating, in a floor area that is sprinklered, and

(b) the egress door opens onto,

(i) an exterior passageway,

(ii) a corridor used by the public that is separated from the remainder of the floor area in conformance with the requirements in Article 3.3.1.4.v1 for the separation of public corridors, or

(iii) a public corridor that is separated from the remainder of the floor area in conformance with Article 3.3.1.4.v1

(3) Travel distance to an exit shall be not more than 50 m from any point in a service space referred to in Sentence 3.2.1.1.(9).

(4) If there is a firewall in an elementary or secondary school, the travel distance shall not be measured to a door in the firewall, but shall be measured to an exterior exit door or an exit door to a stairway.