1 break inby the feeder at spad #370, we had a roof fall that caught 2 shuttle cars about 4' on one of thjem and 6' on the other one. It looks as if their was a vertical crack that caused the fall.
Clas #4 Coal
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- Muertes
- 0
- Incidentes totales
- 8
- Años en registro
- 2007–2008
- Último incidente
- Sep 2008
| Trimestre | Horas trabajadas | Citaciones | S&S | Por 1M hrs |
|---|---|---|---|---|
| 2008 Q4 | 0 | 0 | 0 | |
| 2008 Q3 | 19,575 | 12 | 3 | 613.0 |
| 2008 Q2 | 22,586 | 10 | 1 | 442.8 |
| 2008 Q1 | 21,995 | 12 | 0 | 545.6 |
| 2007 Q4 | 19,129 | 2 | 0 | 104.6 |
| 2007 Q3 | 14,855 | 6 | 0 | 403.9 |
Incidentes reportables
8 en archivo2008 · 6 incidentes
While traveling airways, found a roof fall about 4' thick, 25' wide and 40' long, 1 break inby spad #277. Looks like there was a hill seam there and water has cut it loose.
While traveling air ways discovered a roof fall 1 break to the right of spad #268. It was measured about 20' wide, 70' long and 7' thick. Check test holes around it and checked OK. Timbered and dangered off. Looks as if 2 hill seams caused fall. Will keep a closer look at top to try to keep this from happening.
While traveling the airways I found a roof fall 1 break inby spad 303. It had fallen about 4' thick 12' wide and 70' long. I check test holes around it found no other cracks came outside reported the fall and went back timered and dangered fell off hill seems and water look like cause fall.
While checking a place that I had dangered off earlier in the week, I found that it had fallen. About 90' long 20' wide adn 5' thick. There was hill seams and water coming out of the top.
While traveling the return on the way to section found a roof fall in an abandoned area of the mine. Did not affect ventilation and no one injured. The fall was about 4' thick, 20' wide & about 45' long.
2007 · 2 incidentes
Roof fall was found in 1st left return panel, 900' outby section. Fall did not effect ventilation at the mine. Fall was discovered by superintendant.
While attempting to put a cover back on the roof bolter, he dropped the cover and it hit on top of his foot behind the steel toe.