Avísenme cuando se presente un nuevo incidente de la MSHA en MT-41.
| Trimestre | Horas trabajadas | Citaciones | S&S | Por 1M hrs |
|---|---|---|---|---|
| 2013 Q1 | 0 | 0 | 0 | |
| 2012 Q4 | 0 | 5 | 3 | |
| 2012 Q3 | 21,689 | 1 | 1 | 46.1 |
| 2012 Q2 | 0 | 10 | 2 | |
| 2012 Q1 | 0 | 23 | 4 | |
| 2011 Q4 | 26,220 | 25 | 11 | 953.5 |
| 2011 Q3 | 26,818 | 11 | 1 | 410.2 |
| 2011 Q2 | 26,889 | 16 | 2 | 595.0 |
An unintentional roof fall was discovered between break 33 and 34 in the #2 entry the fall was 30' land X 19' wide X 4'6" high. This fall will not be cleaned up and is timbered or cribbed on all sides and dangered off. The fall does not effect travel or ventilation.
Rock fall was discovered in the intersection at 50 break in the #3 entry along the #1a belt. The fall was 5' high x 20' wide x 30' long. No injuries and no ventilation controls or equipment was effected. This fall will be not be cleaned up and the area has been dangered off.
An unintentional roof fall occurred on the #4 belt in the #4 entry 30 feet inby spad #1025between the blocks. estamated size of fall 15'L. X 18' W. X 4-5' H. Area had been supported with 4' fully grouted resin bolts. No injuries occurred, ventilation was not interrupted, conveyor belt was caught. Fall will be cleaned up.
An unintentional roof fall was discovered in the #2 entry (return) at #36 break spad #676 adjacent to the 1A belt. Size of fall was estimated to be 30'L. x 19'W. x 4-5'H. Fall area had been supported with 4' fully grouted resin bolts. No injuries, no equipment caught. Ventilation was not interrupted. Fall will not be cleaned up.
An unintentional roof fall occurred in the #1 entry inby the last open break in the face. Estimated size of fall 40'L x 18'H x 4'-5'. Area had been supported with 4 foot fully grouted resin bolts, no injuries, no equipment caught, ventilation not interrupted. Fall will be cleaned up/or dangered off and developed around the fall area.
A rock fall was discovered in the #6 entry between #28 and #29 crosscut one break inby spad #501. Size of fall was estimated to be 30"L x 18'W x 9'-10'H. The area had been supported with 4' fully grouted resin bolts. No injuries, no equipment caught, ventilation was not interrupted. Fall will not be cleaned up.
A rock fall occurred on the 1A belt between #29 and #30 break in the #4 entry inby spad #530. The size of the fall was estimated to be 20'-25'L x 18'-20'W x 5'-6'H. The area had been supported with 4' fully grouted resin bolts. No injuries, ventilation was not interrupted, belt line was caught. Fall will be cleaned up.
An unintentional roof fall was discovered at #40 break in the #1 entry off 002 section. Size was 5.5' H. X 25'L. X 25'W. Area had been supported with 4' fully grouted resin bolts, no injuries, no Eq. caught, ventilation was not interrupted.