3.13.2. Before disconnecting or repairing a connection or a section of piping through which gas under pressure circulates, the piping supply shall be cut off and that piping shall be completely depressurized.
R.R.Q., 1981, c. S-2.1, r. 6, s. 3.13.2; O.C. 1413-98, s. 20; 805-2020O.C. 805-2020, s. 31.