S-2.1, r. 14 - Regulation respecting occupational health and safety in mines

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437.2. Notwithstanding section 437.1, drilling in an open-pit mine may be carried out on broken rock without an examination to detect misfires if the drilling pattern is staggered to ensure a distance of 1.5 m between the holes for the previous blasting and the holes drilled.
Drilling under the first paragraph shall be carried out in accordance with a written procedure drawn up by an engineer.
O.C. 33-2024, s. 15.