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

Full text
33. Where the depth of a trench or excavation exceeds 1.2 m (3.9 ft), no person shall:
(1)  deposit materials less than 1.2 m (3.9 ft) from the top of the trench or excavation walls;
(2)  operate or park a vehicle or machine less than 3 m (9.8 ft) from the top of the trench or excavation walls, unless reinforced shoring has been provided.
O.C. 213-93, s. 33; O.C. 1326-95, s. 12.