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

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4.7.1. All loaded holes must be primed and fired in the same round. When firing cannot be done at the end of the loading, the blasting area must remain under supervision, be evacuated, and no access shall be permitted until after the firing.
R.R.Q., 1981, c. S-2.1, r. 6, s. 4.7.1; O.C. 1959-86, s. 61; O.C. 57-2015, s. 47.
4.7.1. All loaded holes must be primed and fired in the same round and when firing cannot be done at the end of the loading, the blasting zone must remain under supervision, be evacuated, and no access shall be permitted until after the firing.
R.R.Q., 1981, c. S-2.1, r. 6, s. 4.7.1; O.C. 1959-86, s. 61.