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

Section 374 Disposition versions

2012-09-01

374. In addition to the standards prescribed in sections 371 to 373, any conveyor used in a mine shall:

(1)  be equipped with a device such as a differential movement detector causing the motor to stop when there is a slippage between the conveyor belt and the traction pulley;

(2)  be equipped with guide rollers to maintain the alignment of the conveyor belt or a switch causing the motor to stop if the belt is misaligned;

(3)  if it is less than 30 m (98.4 ft) long, be provided with a firefighting sprinkler system complying with NFPA Standard 15-1985 Water Spray Fixed Systems for Fire Protection;

(4)  if it is 30 m (98.4 ft) long or longer, be provided with a firefighting sprinkler system in accordance with the standard cited in subparagraph 3:

(a)  for a distance of 15 m (49.2 ft) from each of the ends if the conveyor belt complies with CSA Standard CAN-M422-M87 Fire Performance and Antistatic Requirements for Conveyor Belting and also for a distance of 15 m (49.2 ft) on each side of the drive pulley, if the drive pulley is not located at one end of the conveyor;

(b)  for its entire length if contrary to subparagraph a; in such case, the conveyor shall be under the supervision of a worker while it is in operation.

The conveyors used in mines containing soluble minerals may be equipped with a firefighting sprinkler system as prescribed in subparagraphs 3 and 4 of the first paragraph or with a foam or powder extinguishing system.

O.C. 213-93, s. 374; O.C. 782-97, s. 24; O.C. 1236-98, s. 18.