ROCK FELL DURING OFF SHIFT WAS DISCOVERED AT 4:00AM ROCK FELL APPROX 5' THICK 25' LONG 16' WIDE. LOCATION OF FALL 1ST BREAK ON #4 ENTRY.
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8 total records
Showing all 8ROOF FELL INTERSECTION OF #7 BRK NO.4 ENTRY 003 SECTION 6'THICK X 30'LONG X 20'WIDE.
ROOF FALL OCCURRED 6 BREAKS FROM #3 BELT INBY ON BELT ENTRY 70' LONG BY 20' WIDE BY 9' THICK. ONE INCH BAND OF COAL CAUSED IMMEDIATE ROOF TO SEPARATE FROM MAIN TOP. THIS FALL OCCURRED DURING I DLE SHIFT.
MINES WAS IDLE FOR WEEKEND. RETURNED MONDAY @700AM ARRIVED ON SECTION FOUND FALL 4-8' THICK 70' LONG 20' WIDE. HORSE BACK, WATER HAD CUT TOP ALLOWED IT TO FALL.
HOT HUMID CONDITIONS STARTED DETERIOATED TOP IN NO 19 BREAK IN NO 5 ENTRY. 20'X20'X48"
HOT WEATHER CONDITIONS STARTED TOP TO ERODE. ROCK FELL IN INTAKE AIR COURSE SECOND BREAK FROM OUTSIDE IN THE INSTERSECTION APPROX. 5 FT THICK 20 FT LONG 16 FT WIDE.
ROCK FALL OCCURRED DURING OFF SHIFT 1ST BREAK INSIDE FAN ENTRY ROCK WAS 12' LONG 14' WIDE 48" THICK. EXTREME CHANGES IN WEATHER HOT HUMID CAUSED TOP TO ERODE.
ROCK FALL OCCURRED INTAKE AIRCOURSE NO LL BEREAK FALL WAS 4' THICK 18' LONG 16' WIDE DURING AN OFF SHIFT. EXTREME TEMPERATURE CHANGES HOT HUMID WEATHER CONDITIONS CONTRIBUTED TO FALL ERODED TP