Avísenme cuando se presente un nuevo incidente de la MSHA en No 8 Deep Mine.
A ROOF FALL MEASURING 4-5' THICK 40' LONG X 20' WIDE BLOCKED PASSAGE IN THE #4 TRACK ENTRY. VENTILATION WAS NOT AFFECTED NOR WAS PASSAGE IN THE ADJOINING #5 ENTRY. THE AREA WAS NOT GEOLOGICALL Y SOUND WHERE ADJOINING STRATA (SHALE AND SANDSTONE) WERE NOT ADEQUATELY BONDED DURING FORMATION.
AN UNDETECTED GEOLOGIC FAULT AT AND ABOVE BOLT ANCHORAGE GAVE LOOSE CAUSING FALL. FALL BLOCKED RAIL TRAVEL, DID NOT HAMPER VENTILATION.
HE STATED THAT HE WAS TRIMMING BRUSH WITH A CHAIN SAW AND A BRIAR BECAME CAUGHT IN THE SAW CHAIN, CAME BACK AND HIT RIGHT EYE CAUSING THE CORNAL ABRASION.
I NAME STATED HE WAS PULLING STEEL RAIL 30LB TRACK STEEL INTO PLACE ON TIES & CAUSED HERNIA
HAD JUST FINISHED PRESHIFT EXAMINATION AND WAS STARTING BELTS FOR PRODUCTION.HAD WALKED ACROSS BELT CROSSOVER AND WAS STEPPING OFF LAST STEP ONTO SOLID LEVEL GROUND.FOR SOME UNKNOWN REASON WHE N HIS FOOT TOOK WEIGHT HIS LEFT ANKLE TURNED CAUSING A BAD SPRAIN.
FALL AT AND ABOVE ANCHORAGE ZONE OUTCROP AND WEATHERED SILT/SOAP STONE 4 IN THICK X 17 FT WIDE AND 20 FT LONG VENTILATION HAULAGE AND ESCAPEWAYS REMAIN UNAFFECTED NO MANPOWER OR MACHINERY N EAR AT TIME OF FALL AREA SUPPORTED WITH 4 FT BOLTS ON ADVANCE
INJURED WAS PUS2ING A PIECE OF ROCK APPROX. 2 X 3 X 4THICK OFF M INER FRAME DURING SERVICING HIS HAND SLIPPED ON THE ROCK AND HIS LEFT FOREARM WAS CUT ON THE SHARP EDGE OF THE ROCK. SHARP EDGE CAUSED A LACER5TION THAT REQUIRED 7 OR 8 STITCHES TO CLOSE.
INJURY ILLNESS 8AMAGE OR IMPAIRMENT DO NOT APPLY. THE AREA HAD BEEN RESUPPORTED IN JULY THE PERIMETER HAD BEEN ST CRIBBED AND DNAGERED TO PREVENT ENTRY INTO AREA.
SMALL FALL IN X1CUT NEAR BRATTICE HARMED NO EQUIP OR VENTILATION DEVICES.UN-DETECTED SLIP IN MINE ROOF GAVE LOOSE AT AND ABOVE THE ANCHORAGE ZONE OF THE 36'' CONVENTIONAL ROOF BOLTS FALL 15'WI DE X 12'LONG X 1-40'' THICK.AREA FELL AND DISLODGED 2 CRIBS.ATTEMPTED TO PREVENT FALL.
AN UN-DETECTED 8LIP IN THE ROOF GAVE LOOSE AT AND ABOVE THE ROOF BOLT ANCHORAGE ZONE. THIS FALL WAS 14' LONG X 4' WIDE X 40" THICK (HORSEBACK) 36" CONVENTIONAL BOLTS USED ON INITIAL ADVANCE.
AN UN-DETECTED 8LIP IN THE ROOF GAVE LOOSE AT AND ABOVE THE ROOF BOLT ANCHORAGE ZONE. THIS FALL WAS 20' X 30' X 0-42" THICK. THE AREA WAS INITIALLY SUPPORTED WITH 36" ROOF BOLTS (CONVENTIONAL ) AND STRAPS. 3
AN UN-DETECTED 8LIP IN THE ROOF GAVE LOOSE AT AND ABOVE THE ROOF BOLT ANCHORAGE ZONE.THIS FALL WAS 30' LONG X 20' WIDE X 6-42" THICK.AREA WAS SUPPORTED WITH 36" CONVENTIONAL BOLTS AND STRAPS P ER PLAN.ADDITIO3AL SUPPORTS-CRIBS-HAD BEEN INSTALLED DURING ORIGINAL ADVANCE FO AREA WHEN INDICATED.
AN UN-DETECTED 8LIP IN THE ROOF GAVE LOOSE AT, AND ABOVE THE ROOF BOLT ANCHORAGE ZONE. THIS FALL BROKE SEVERAL SURROUNDING CONVENTIONAL BOLTS AS IT FEATHERED DOWN FROM 42 FEET TO 0 FEET N THE EDGES. AREA H5D BEEN INITILLY SUPPORTED PER PLAN WITH 36 INCH CONVENTIONAL BOLTS.
HEAD CONTACTED 9DGE OF ROOF STRAP THAT HAD BEEN HIT BY MINER HEAD CAUSING LACERATION ALONG TEMPORAL BONE AND SEVERED TEMPORAL ARTERY
MINER GATHERING3PAN HAD BEEN LEFT UP APPROX. 4" FROM BOTTOM & SERVICING WAS UNDER WAY. PAN LEVER WAS INADVERT-ENTLY BUMPED DROPPING PAN ON END OF BOOT.
I.NAME WAS TRYI3G TO MOVE A STEERING JACK ON A SHUTTLE CAR THE PINCH BAR HE WAS U SING SLIPPED CAUSING A LACERATION TO HIS LEFT HAND
SAND STONE AND SHALE ROCK STRUCTURE DID NOT BOND. 3 ROOF ABNORMALITIES ALSO EXISTED 2 KETTLE BOTTOM AND ONE SLIP. THESE ABNORMALITIES WEAKENED ANCHORAGE ZONE GREATLY CONTRIBUTING TO THE FALL A LSO A FACTOR WAS THE PRESENCE OF SOME WATER IN THE STRATA.