193(1)An employer shall ensure that material excavated from a pit or quarry is piled at a distance from the edge of the pit or quarry so that the material does not subside into the pit or quarry or cause ground failure.

193(2)Where material excavated from a pit or quarry is dumped from a vehicle to a stockpile, an employer shall ensure that precautions are taken to keep the vehicle at a safe distance from the edge of the stockpile.