(1) No enclosed slide escape may be permitted as a required exit in a building built after 6 March 1971.
(2) Enclosed slide escapes shall:
(a) have a slope not less than 24º and not more than 42º to the horizontal;
(b) have a section at the lower end, at least 3 m long, set at an angle not to exceed 15º to the horizontal and connected to the upper section by a transition curve;
(c) be not less than 600 mm nor more than 1,070 mm wide;
(d) be accessible through doorways at floor level or through windows whose sill height shall not exceed 750 mm; such openings shall swing in the direction of exit travel and shall be at least 750 mm wide and 2 m high. Where entrance is directly accessible, the height of access openings may be reduced to 1,070 mm;
(e) have a door at their discharge point; such discharge point shall be not less than 300 mm and not more than 500 mm above ground;
(f) have a smooth and non-corrosive interior surface.
R.R.Q., 1981, c. S-3, r. 4, s. 28; O.C. 88-91, s. 23.