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S-2.1, r. 14 - Regulation respecting occupational health and safety in mines
Section 437
Disposition versions
437. Before drilling on a working face of an underground mine, it shall be
(1) fully washed with water under a pressure of at least 200 kPa (29 lb/in2), except in mines containing soluble minerals;
(2) examined to detect misfires, cut-off holes and remnants of drill holes;
(3) in the case of the floor of a site where drilling is carried out,
(a) washed in accordance with paragraph 1 or fully cleaned with compressed air; and
(b) examined in accordance with paragraph 2 and the observations must be recorded in a register.
The first paragraph does not apply where the drilling is carried out by a remote control device, under supervision, and the blasting area is evacuated.
437. Before drilling on a working face of an underground mine, it shall be
(1) fully washed with water under a pressure of at least 200 kPa (29 lb/in2), except in mines containing soluble minerals;
(2) examined to detect misfires, cut-off holes and remnants of drill holes;
(3) in the case of the floor of a site where drilling is carried out,
(a) washed in accordance with paragraph 1 or fully cleaned with compressed air; and
(b) examined in accordance with paragraph 2 and the observations must be recorded in a register.
