S-2.1, r. 4 - Safety Code for the construction industry
3.16.5. Pipes: Pipes shall be stacked:
(a) on racks or solid shelves;
(b) on wooden blocks provided with tappets at both ends; or
(c) on metal bars of which both ends are bent upwards.
R.R.Q., 1981, c. S-2.1, r. 6, s. 3.16.8; O.C. 329-94, s. 66.