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A roof fall was discovered during the weekly examinations in the primary intake escapeway 1 block outby Station No 105. The fall measures approximately 30' ling x 17' wide x 5' high. The fall will not be cleaned up. An alternate primary escapeway entry will be designated and properly identified with reflective indicators.
EMPLOYEE WAS IN A SLIGHTLY BENT-OVER POSITION WALKING, WHEN HE TRIPPED ON THE MINER CABLE AND FELL TO THE MINE FLOOR ONTO HIS KNEES AND HANDS. EE CLAIMS HE TWISTED HIS RIGHT KNEE, RESULTING IN DISCOMFORT AND SORENESS. EE WORKED THE REMAINING FOUR HOURS OF HIS SHIFT.
THE EE WAS INA SLIGHTLY BENT-OVER POSITION, REACHED IN AND PULLED UP ON THE BOOM SWING LEVER TO SWING BOOM OUTWARDS TOWARD THE RIB. IN DOING SO, A SHORT DRILL STEEL FELL FROM THE TRAY, WENT IN UNDER THE LEVER, PREVENTING THE LEVER TO SELF CENTER, THE BOOM KEPT SWINGING AND CAUGHT THE EE BETWEEN THE CANOPY AND COAL RIB, RESULTING IN CONTUSION, SPRAIN/STRAIN TO LEFT RIB CAGE AND MID
THE EE WAS IN A STANDING POSITION, REACHING FOR A 6" X 6" ROOF PLATE WHEN HIS LEFT INDEX FINGER CAME IN CONTACT WITH A SHARP EDGE ON THE ROOF PLATE RESULTING IN A LACERATION TO THE KNUCKLE ARE A.
ON 11/26/99, HEAVY RAIN SATURATED THE HIGHWALL RESULTING IN A DISLODGEMENT OF MATERIAL APPROX 10'HIGH, 8'DEEP, 25'WIDE, FALLING APPROX 35 TO 40 FEET, COMING IN CONTACT WITH THE #2 ENTRY CANOPY WHICH RESULTED IN A PARTIAL COLLAPSE OF THE CANOPY. NO EQUIPMENT OR PEOPLE WERE INVOLVED IN THIS INCIDENT. THE MINE WAS IDLE DURING THIS OCCURRENCE.
THE REMOTE CONTROL CONTINOUS MINING MACHINE WAS IN THE PROCESS OF REMOVING THE SECOND LIFT OFF OF #6 BLOCK WHEN THE ROOF STARTED WORKING IN A CLAY VEIN. THE MACHINE WAS BACKING OUT BUT COULD N OT TRAM FAST ENOUGH TO PREVENT BEING CAUGHT BY THE ROCK. THERE WAS A CLAY VEIN AND A SURFACE CRACK PRESENT. THE ROCK THAT CAUGHT THE MACHINE FELL TO THE SURFACE CRACK 100' INBY STATION #399.
2 RIGHT SECTION 001-0 MMU WAS IN THE PROCESS OF RETREAT MINING, PULLING THE PUSHOUT OF #2 BLOCK AT6 SATION #467. THE LAST SHUTTLE CAR LOAD OF COAL WAS LOADED AND MINING MACHINE WAS BACKING OUT OF THE AREA WHEN THE ROOF FELL SUDDENLY AND CAUGHT THE MINING MACHINE BEFORE IT COULD GET CLEAR OUT OF THE INTERSECTION . MACHINE RECOVERED IN 23 HRS, MINIMAL LIGHT DAMAGE.