A ROOF FALL OCC6RRED IN THE FACE OF #3 ENTRY AND INCLUDED THE INTERSECTION OF THE X-CUT TO #4 LOOAFED 20 FEET INBY STATION #20 THE FALL WAS 24 FEET WIDE AT TIS WIDEST POINT AND 29 FEET IN LENG TH AND WAS 5 FE9T ABOVE THE COAL SEAM.
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- Incidentes totales
- 739,488
- De los cuales mortales
- 3,112
- Años en el registro
- 1983–2026
- Clasificaciones
- 20
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4 registros en total
Mostrando los 4A ROOF FALL OCC6RED ON A IDLE PERIOD BETWEEN 300PM ON 07/31/87 AND 5:00 AM ON 08/03/87.THE FALL ISLOCATED IN THE #4 ENTRY 70' ABOVE THE COAL DEASEAM.
A FALL OCCURRED3ON A IDLE PERIOD BETWEEN 300 PM 7/25 AND 500 AM ON 7-27-87 IN THE X CUT 3 TO 4 ENTRY 70 FT INBY STATION 2 IN 3 ENTRY THE FALL WAS 15 FT WIDE 54FT LONG AND TAPERED FROM COAL HEI GHT TO 11 FT. 3
A ROOF FALL OCC6RED ABOVE THE ROOF BOLT ANCORAGE IN THE X CUT BETWEEN #1 & #2 ENTRY AT THE FACE.THE FALL WAS 15' LONG 14'WIDE & 6' HIGH.