A. No person shall enter an auger hole or highwall miner entry without prior approval from the Chief.
B. Every auger hole or highwall miner entry shall be blocked with highwall spoil or other suitable material before it is abandoned.
C. Every auger or highwall mining machine that is exposed to any highwall or explosion hazard shall be provided with worker protection from falling material and a mine explosion.
D. At least one person shall be assigned to observe the highwall for possible movement while ground personnel are working in a high-risk area in close proximity to the highwall.
E. All persons shall stay clear of any moving auger or highwall miner train, and no person shall pass over or under a moving train unless adequate crossing facilities are provided.
F. The ground control plan shall specify any spacing of holes, web design, and use of alignment control devices.
G. The ground control plan shall include other administrative, engineering, and source controls that are to be provided for safe operations.