A ROOF FALL WAS FOUND ON 10-25-91.THE FALL WAS LOACTED APPROX 2400' FROM THE FACE AT SURVEY STATION #58 BETWEEN THE NO 6 TO 7 HEADINGS.THIS AREA HAD BEEN DETERMINED TO BE ADVERSE DURING MINING AND ADDITIONAL LENGTH BOLTS AND POINT ANCHOR BOLTS HAD BEEN INSTALLED.THE ROOF CONTINUED TO DETERIORATE AND WAS CRIBBED AND DANGERED OFF PRIOR TO FALLING.THE ROOF WAS IN SLIP FORM APPROX 11'H
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5 total records
Showing all 5EMPLOYEE STATED THAT HE WAS GETTING OUT OF THE SCOOP WHEN HE GOT HIS FOOT HUNG IN THE AUTOMATIC BRAKE ASSEMBLY, TWISTING HIS KNEE.
FAULTY ROOF ZONE THAT WAS ORIGINALLY BOLTED WITH 48" CONVENTIONAL BOLTS AND REBOLTED WITH 60" POINT ANCHOR BOLTS FELL ABOVE THE 60" ANCHOR ZONE IN ONE-HALF OF #6 ENTRY INTERSECTION OVER TO, BU T NOT INCLUDING, THE #7 ENTRY INTERSECTION. THE FALL IS 6' HIGH, APPROX. 60' LONG, AND 20' WIDE. IT DOES NOT PREVENT PASSAGE OF MEN OR BLOCK VENTILATION. LOCATED ONE BREAK INBY SURVEY STATION
EMPL TWISTED KNEE PULLING SHUTTLE CAR CABLE ON EUNEVEN BOTTOM.EMPL DIDNT GO TO DR UNTIL 5-13 BEGAN LOSING TIME 5-16 WHEN KNEE WAS OPERATED ON FOR TORN CARTILIDGE.
LAST OPEN CROSSCUT INTERSECTION IN NO. 1 ENTRY ONE BREAK INBY SPADE NO. 20.