S-2.1, r. 4 - Safety Code for the construction industry
2.14.1. Where a building or structure has been damaged in such a way that it might collapse, totally or partially:
(a) it shall be progressively propped or shored up so as to ensure the safety of persons; or
(b) any other equivalent safety measure shall be taken until the building or structure is demolished, dismantled or repaired.
R.R.Q., 1981, c. S-2.1, r. 6, s. 2.14.1; O.C. 329-94, s. 17.