S-2.1, r. 4 - Safety Code for the construction industry
3.9.2. Construction: Scaffoldings shall:
(a) be designed, constructed, braced, windbraced and maintained in order to support the loads and stresses to which they are subjected and be wind resistant; and
(b) rest on the ground or on foundations which offer sufficient resistance.
R.R.Q., 1981, c. S-2.1, r. 6, s. 3.9.2.