126. A refuge station must be installed on any working underground level from which it is not possible, after the alarm system has been activated, to reach another refuge station or the surface within 30 minutes for a mine whose operation began before 1 April 1993, or 20 minutes for a mine whose operation began on or after that date.
For any new development or for any underground mine whose operation begins on or after 20 January 2011, a refuge station must be installed at the shortest distance from a work station, between 1,000 m (3,280 ft) and a 15-minute walk.
A refuge station installed as of 4 December 2014 may not be located more than 1 km from the nearest refuge station.
O.C. 213-93, s. 126; Erratum, 1993 G.O. 2, 2603; O.C. 1326-95, s. 24; O.C. 1190-2010, s. 7; O.C. 963-2014, s. 5.