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

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443.1. To drill a drill hole or a round in a cemented rock fill,
(1)  the controls of the drill must have a protective screen designed or manufactured according to the plans and specifications of an engineer; and
(2)  the operator must remain at the controls of the drill for the duration of the drilling.
O.C. 119-2006, s. 33.