The Ontario Building Code | Integrity of Exits Integrity of Exits

(1) A fire separation that separates an exit from the remainder of the buildingshall have no openings="" title ="Window installer in Toronto">openings except for,

(a) standpipe and sprinkler piping,

(b) electrical wires and cables, totally enclosed noncombustible raceways and noncombustible piping that serve only the exit,

(c) openings="" title ="Window installer in Toronto">openings required by the provisions of Subsection 3.2.6.,

(d) exitdoorway ="" title ="Toronto Door installer">doorways,

(e) wireref ="" title ="Electricians in East York">wired glass and glass block permitted by Article, and

(f) a sprinkler protected glazed wall assembly conforming to Article

(2) Exits within scissors stairs and other contiguous exit stairways shall be separated from each other by a smoke-tight fire separation having a fire-resistance ratingnot less than that required for the floor assembly through which they pass.

(3) Fire separationsseparating contiguous stairs described in Sentence (2) shall not be pierced by doorway ="" title ="Toronto Door installer">doorways, ductwork, piping or any other openings="" title ="Window installer in Toronto">openings that affect the continuity of the separation.

(4) A fuel-fired appliance shall not be installed in an exit.

(5) An exit shall not be used as a plenum for a heating, ventilating or air-conditioning system.

(6) An exit shall be designed for no purpose other than for exiting, except that an exit is permitted also to be designed to serve as an access to a floor area.

(7) A service room shall not open directly into an exit.

(8) Storage rooms, washrooms, toilet rooms, laundry rooms and similar ancillary rooms shall not open directly into an exit.

(9) service spacesreferred to in Sentence shall not open directly into an exit.

(10) In elementary and secondary schools, an exitshall be designed so that it does not serve as an access from one portion of a floor area to another portion of the same floor area.

3.4.5. Exit Signs