Hoist ""tripped"" out while lowering miners (2) to UG at a depth of 119'. (10:55am) Electrician was not able to respond within 30 minutes, so MSHA was notified. (11:25am, Case #03394035) Electrician was able to use ""safe mode"" controls to retrieve miners to surface. All miners safe to surface at approximately 1:50pm. MSHA notified of safe retrieval at 2:05pm.
The employee was attempting to line up and repair a broken water line when EE slipped with a pry bar injuring shoulder.
Performing checks on the West Warm Springs secondary escape hoist when the electric motor went phase to phase and shorted out. Call was placed to the MSHA hotline at 7:38 am.
At the start of shift the Lead driller was standing next to Target directional drill in underground drill station when he became lightheaded, dizzy and fell striking the back of his head on the concrete floor. Laceration to the back of head required sutures to close. Gas readings were zero for CH4, CO, and H2S with O2 at 20.8% at surface main fans and underground drill station.
Main hoist brakes would not release. Hoist went down at 8:21 am. Mechanic and electrician informed management that hoist would not be repaired in 30 minutes. Call was made to MSHA hotline at 8:42 am. All electrical and PLC functions were normal. Cleaned brake shuttle spool and check valves. Replaced ""O"" ring seals in brake solenoid. Hoist returned to safe operation at 10:45am.
Driller was helping to place steel siding on newly constructed electrical building. Using a hand-held grinder equipped with a cut-off wheel. The driller was cutting a 36 inch wide piece of steel siding to dimension when the blade contacted his left index finger. Laceration between the first and second knuckle. Sutures and tendon repair required.
Miner working in shaft bottom was struck on hard hat by a piece of rock that became dislodged from the shaft rib by the forces acting upon a properly installed galloway stabilizer jack. The miner received a scalp laceration that required sutures. CT scan revealed a slight fracture in the basilar bone and a minor compression fracture to the T-8 vertebra.
Employee was installing a handrail on a section of stairway for the head frame. Working at ground level, he was using a pry bar in one of the bolt holes to line up holes for bolt install. The pry bar slipped & hit him on the (L) side of his chin, causing a cut, the cut was long enough to need stitches.