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

Full text
449. A motorized vehicle may not be driven, parked or stopped over loaded drill holes unless:
(1)  the detonator wires and explosives are completely inserted under the collar of the holes;
(2)  the collar of the holes is covered with sand or rock dust;
(3)  a signaller supervises the movements of the vehicle to see that its wheels or tracks do not pass directly over the holes so protected.
O.C. 213-93, s. 449; O.C. 119-2006, s. 36.