A. The face of all highwalls, for a distance of 25 feet in both directions from an auger or highwall miner operation, shall be inspected by a mine foreman before any such operation begins and at least once during each coal producing shift.
B. Mine foreman shall examine the face of all highwalls for a distance of 25 feet in both directions from auger or highwall miner operations frequently during periods of heavy rainfall or intermittent freezing-thawing.
1994, c. 28; 2011, cc. 826, 862.