S-3, r. 2 - Regulation respecting safety in public buildings

Section 21 Disposition versions

2012-09-01

21. Stairs and ramps:

(1)  Stairs and ramps shall:

(a)  be provided with non-skid finishes or strips;

(b)  (paragraph revoked);

(c)  have a wall or well-secured balustrade at least 1,070 mm in height around the landings and at least 900 mm in height on each side of the steps;

(d)  have one handrail without any obstruction if such stairs and ramps are 1,100 mm or less in width;

(e)  have 2 handrails if such stairs and ramps are more than 1,100 mm in width.

(2)  Stairs shall have:

(a)  uniform treads and risers in a same flight of stairs;

(b)  risers with a maximum height of 200 mm and treads with a minimum depth of 230 mm;

(c)  flights of stairs of at least 2 risers; however, where a flight of stairs has only 2 risers, the difference in level shall be indicated by means of a contrasting colour floor-covering at least 1 m in length from the ends of the flight of stairs and having the same width as the stair;

(d)  no winders, unless there is a handrail on each side.

(3)  The maximum gradient of ramps shall be:

(a)  1 in 10, in the cases of exterior ramps;

(b)  1 in 8, in the cases of interior ramps.

(4)  A ramp used as an exit shall be surrounded by a fire separation with a fire-resistance rating of at least 3/4 of an hour.

(5)  Openings in the balustrades of stairways and balconies shall not exceed 150 mm where a person may fall vertically more than 3 m. In a family-type day care centre, such openings shall not exceed 100 mm where a child may fall vertically more than 600 mm.

R.R.Q., 1981, c. S-3, r. 4, s. 21; O.C. 88-91, s. 20; O.C. 466-95, s. 9.