S-2.1, r. 4 - Safety Code for the construction industry

Full text
3.6.4. Temporary stairs:
(1)  Outside of buildings, temporary stairs shall have:
(a)  steps with a width of at least 500 mm;
(b)  a maximum slope of 55º;
(c)  landings with a depth of at least 500 mm;
(d)  a handrail; and
(e)  uniform steps in the same flight.
(2)  Inside buildings, temporary stairs shall have a width of at least 750 mm or at least equal to that of the permanent stairs to be installed.
R.R.Q., 1981, c. S-2.1, r. 6, s. 3.6.4.