ROCKFALL ON UNIT HEADER & MAIN LINE TAILPIECE. AT 11+81 ON N. E. MAIN TAIL & UNIT HEADER. THE FALL IS ABOUT 8' H & 40' L.
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13 registros en total
Mostrando los 13ROCK FALL ACROSS #6 AND 7# ENTRIES AT 1+40 IN N.E.
ROCKFALL OLD NW HEADINGS 2ND XCUT OUTBY LAST OPERN BETWEEN #6 ENTRY 1/2WAY IN INTERSECTION 25FTX19FTX6FT THIS AREA WAS MINED IN JAN 94 & BOLTED WITH 5FT &6FT TENSION REBAR ROOF BOLTS & TIMB ERED THE FALL WAS CAUSED BY A HIDDEN SLIP
INSTALLING ROOF BOLT WITH AN EXTENSION WRENCH WHEN WRENCH CAME LOOSE STRIKING HIM ABOVE THE RIGHT EYE CAUSING A LACERATION REQUIRING 4 SUTURES.
LIFTING ROCK OUT OF UNIT BELT TAILPIECE AND STRAINED HIS BACK.
PULLING ON MINER CABLE & FEET SLIPPED OUT FROM UNDER HIM CAUSING HIM TO STRAIN HIS LOWER BACK
40' X 18' X 6'. NW ENTRIES--#6 ENTRY IN PILLAR LINE BETWEEN #18 & #19 X-CUT. THIS AREA WAS MINE IN JAN. 94 & BOLTED WITH 5' & 6' TENSION REBAR ROOF BOLTS. THE FALL WAS CAUSED BY A HIDDEN SLIP.
60X18X6 ORIGNIATED AT FACE IN AN UNBOLTED AREA AND FELL OUTBY 40 ADDITION FEET THERE WAS AN UNDETECTED MUD SLIP IN THE ROOF.
A ROOF FALL OCCURED AT 14 XCUT IN THE NORTH WEST ENTER IN THE PILLAR LINE BETWEEN 3 TO 4 X CUT 19X25X7 THE CAUSE OF THE ROOF FALL WAS UNDETECTED SLIP THE AREA HAD BEEN BOLTED WITH 5 TO 6 GLUE BOLTS ON 4X4 CENTERS.
EE AND OTHER TOOK THE DOUBLE BOOM BOLTER INTO THE FACE OF 4 ENTRY INBY SPAD 6 & 20 TO BOLT A 20 FT CUT. THEY PUT UP THEIR 1 ST BOLT AND WERE IN THE PROCESS OF PUTTING UP THEIR 2ND BOLT WHEN A ROCK FELL AND HIT EE IN THE RIGHT SIDE CAUSING HIM TO FALL ON HIS RIGHT SHOULDER.
A FALL OF ROOF MEASURING 18X18X6 IN 4 ENTRY 5 X CUT INBY PORTAL AND 150 OUTBY THE FACE IT HAD BEEN BOLTED WITH 5 & 6 TENSION REBAR ROOF BOLTERS ON 4 FT CENTRESS WATER HAD BEEN DRIPPING OUT OF ROOF AND THEIR WAS AN UNDETECTED SLIP.
EMPLOYEE WAS CUTTING OPEN A CAN OF WELDING RODS WITH SIDE CUTTERS WHEN A PIECE OF THE CAN CAME LOOSE CUTTING HIM ON THE LEFT FOREARM. THE CUT REQUIRED 18 SUTURES.
EMPLOYEE WAS STEPPING DOWN OFF OF DOZER WHEN HE SLIPPED ON THE TRACK AND FELL APPROX. 4 1/2 FEET TO THE GROUND LANDING ON HIS RIGHT ARM HEAD.