AS THE ROOF BOLTER OPERATOR STARTED TO DRILL HIS LAST HOLE THE HYD. JACK THAT HOLDS UP THE T.R.S. CANOPY BROKE LOOSE FROM ITS BASE. THE JACK CAME FORWARD LETTING THE CANOPY DROP, STRIKE THE OP ERATOR AND KNOCK HIM BACKWARDS AND DOWN.
Sierra Mine Coal
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- Fatalities
- 0
- Total incidents
- 31
- Years on record
- 1984–1993
- Latest incident
- May 1993
Reportable incidents
31 on file1993 · 2 incidents
WATER DRIPPING FROM TOP MIXED WITH THE SHIFT OF STRATA FROM UNDERLYING PITTSBURG SEAM AND INSECTION OUTBY FACE OF #2 HDG.
1992 · 2 incidents
3 WHEELED, RUBBER TIRE MANTRIP WAS PARKED ON SEMI-LEVEL BOTTOM. THE MANTRIP DRIFTED FORWARD ABOUT 5' CATCHING THE MANS ANKLE BETWEENR IB AND MANTRIP. SOME REDNESS & SWELLING WAS PRESENT. TH E WORKER HAD JUST GOTTEN OFF THE MANTRIP AND HAD HIS BACK TO THE MACHINE.
GREASING FEEDER SC COMING TO DUMP, SC OPER STRUCK THE END OF WING PUSHING IT IN L HAND OF BELT MAN RED AND SWOLLEN
1991 · 7 incidents
AN OLD ABANDONED BELT UNDER CAST GOING TO OLD #2 SECTION HAD BEEN BOLTED WITH CONVENTIONAL BOLTS. THE OLD CONVENTIONAL BOLTS LOST THEIR TORK AND THE ROCK (ABOUT THE LENGTH OF THE BOLT) CAME DO WN ABOUT 1700' IN FROM HIGHWALL ON #1 INTAKE.
FOR UNCERTAIN RESAONS WHILE TAKE THE SECONDARY LIFTS FROM THE OUTBY FENDER OF #7 BLOCKS, THE INNER SECTION AND SURROUNDING AREA FELL ON THE CONTINOUOUS MINER. NO ONE WAS INJURED.
AFTER CUTTING PRIMARY SPIT THRU ON #7 BLOCK, WAS BACKING OUT TO SET POSTS BEFORE THE OPERATOR COULD BACK OUT THE MINER BECAME BLOCKED BY SOME ROCKS WHICH FELL OUT OF A CLAY VEIN WHILE WAITING FOR THE ROCK TO GET CLEANED UP THE PRIMARY SPIT BEGAN TO BRAKE ON THE RIBS AS EXTRA POSTS AND CRIBS WERE BEING BUILT THE TOP CAME IN ON THE 265 MINER.
LOOSE COAL ROLLED OFF RIB HITTING ROOF BOLTING OPER IN BACK
CLAY VEIN RUNNING LENGTH OF BLOCK AT RIB LINE. APPROX. 15' WIDE, 4'TO 8' HIGH, ABOUT 60' LONG.
OPERATOR WAS TURNING AROUND TO SWITCH SEAT POSITION ON S.C. HE WAS OPERATING. HIS KNEE GAVE OUT.
AGGRAVATED PREVIOUS BACK TROUBLE DURING REGULAR WORK DUTIES.
1990 · 9 incidents
A ROCK ABOUT 12" THICK IN THE MIDDLE AND TAPERING OUT TO EACH SIDE.APPROX 5'X3' FELL OUT BETWEEN BOLTS.IT STRUCK THE ROOF BOLT OPERATOR ACROSS THE SHOULDERS AND BACK AS HE MOVED THE MACHINE TO INSTALL HIS LAST BOLT OF THE CUT.A WELT AND 2 ABRASIONS (LONG AND THIN)WERE PRESENT NO BROKEN BONES.
TAKING FIRST LIFT ON LEFT FENDER OF #4 ENTRY BLOCK ROCK 7' X 11' W SET DOWN ON HEAD OF 2 MINER PINNING BITS IN SURFACE MINER UNABLE TO PULL ITSELF FREE
CRISCROSSING CLAY VEIN WITH WATER 3 WAY INNERSECTION 1 BLOCK OUTBY STA. 846. 4 INTAKE HDG APPROX. 30 FT LONG 13FT WIDE AND 4 TO 6FT HIGH. VENTALATION NOT AFFECTED WILL CLEAN BOLT AND SCREEN.
EMPLOYEE BURNED FINGERS WITH ELECTRICAL CABLE ARC WHILE HANDLING CABLE.
I NAME SHUTTLE CAR WAS HIT IN THE SIDE WITH ANOTHER SHUTTLE CAR OPERATED BY I NAME I NAME WAS HIT WITH BOOM OF CAR & KNOCKED AROUND IN OPERATORS DECK RECEIVED HEAD INJURYS
ADVERSE CONDITIONS W/WATER
I.NAME WAS TRAMMING MINER FROM X-CUT 2-1. WHEN HE TRAMMED OVER A HOLE IN THE BOTTOM CAUSING HIS HAND TO STRIKE THE TOP OF CANOPY STOVING HIS NECK.
SHUTTLE CAR OPERATOR TRIED TO LIFT ROCK OFF OF CONVEYOR BELT. LOWER BACK INJURY.
CLAY VEINS W/SLICKENSIDED SURFACES IN SHALE ROOF W/WATER.
1989 · 5 incidents
ROOF FALL FALL IS IN INTERSECTION CONTINED TO INTERSECTION ABOVE ANKRAGE.
DUST FROM CANOPY FELL INTO SHUTTLE CAR OPERATORS EYE.
ROOF FALL IN INTERSECTION BETWEEEN SPADS 89&90 IN INTAKE VENTIALATION NOT IMPAIRED
ROCK DUST IN EYE.
ROOF FALL BETWEEN STATION 5&24 IN RETURN FALL 30FT LONG 16FT WIDE 4FT HIGH ROTTEN CROSSBARS
1988 · 3 incidents
FALL 10' X 30' IN INTERSECTION STATION #53 ON INTAKE - VENTILATION NOT REFLECTED 4' BOLTS WERE IN INTERSECTION - FELL 5' HIGH - WILL CLEAN UP, REBOLT & SCREEN.
SHALE TOP-CLAY VEIN HANGING WALL FELL ABOVE ANCHORAGE ROCK WAS NOT SELF SUPPORTING-BOTH ENDS OF FALL WERE TIMBERED OFF.
BENT OVER TO LIFT BELT ROPE ONTO BELT STANDS.
1987 · 2 incidents
POSSIBLE BRUISE8-STRETCHED MUSCLE IN BACK-DOCTORS CAN'T FIND ANYTHING WRONG-PAIN IN LOWER BACK.
ROOF FALL IN IN5CTIVE PORTION OF MINE WILL BE FUTURE BELT HEADING SO WILL HAVE TO BE CLEANED AND HEADING REHABILITATED
1984 · 1 incident
EMPL SERVICING MINER POWER WAS PUT ON MACHINE.CONVEYOR THROTTLE WASNT SHUT OFF CAUSING CONVEYOR AND GATHERING ARMS TO RUN.THE GATHERING ARM ON LEFT SIDE OF C.M. SWUNG AROUNG AND HIT EMPL ON LE FT LET.MINER WAS TURNED ON TO PUT HYD OIL IN MACHINE.