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.
MT-41 Coal
MT-41 tiene $129K en multas propuestas de MSHA y $0 pendientes en 11 expedientes impugnados, ademas del muestreo de salud y el registro completo de incidentes.
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Avísenme cuando se presente un nuevo incidente de la MSHA en MT-41.
- Muertes
- 0
- Incidentes totales
- 8
- Años en registro
- 2010–2011
- Último incidente
- Aug 2011
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Esta tasa son las citaciones registradas divididas entre las horas de inspección de la MSHA, por cada 100 horas. Refleja el esfuerzo de inspección, no el tamaño de la mina ni la producción.MT-41 tiene $129K en multas propuestas de MSHA y $0 pendientes en 11 expedientes impugnados.
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Las diferencias entre las multas propuestas y las pagadas reflejan tanto acuerdos y reducciones en conferencia como montos aun adeudados. Pendiente es el saldo que se debe actualmente.El muestreo de MSHA en MT-41 muestra un polvo respirable de carbon promedio de 0.53 mg/m3 (95% en cumplimiento) en 279 muestras.
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Una muestra es una medicion de cumplimiento en un momento dado, no un historial de exposicion individual. Estas cifras describen registros de muestreo de MSHA y no establecen causalidad ni dosis personal.ⓘ
Las cifras de polvo respirable de carbon y silice corresponden a instalaciones de carbon. El cumplimiento del polvo se mide frente a la norma actual de 1.5 mg/m3; se incluyen muestras anteriores a la norma de 2014, por lo que las tasas de cumplimiento son una senal historica aproximada.ⓘ
Citaciones por millón de horas-empleado reportadas. Las tasas comienzan en el año 2000, cuando inician los datos trimestrales de empleo de la MSHA; los incidentes anteriores se cuentan pero no pueden ajustarse por tasa. Los trimestres con menos de 100,000 horas reportadas se muestran en gris: muy pocas horas para una tasa estable.| 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 | 25,889 | 10 | 2 | 386.3 |
| 2012 Q1 | 30,358 | 23 | 4 | 757.6 |
| 2011 Q4 | 26,220 | 25 | 11 | 953.5 |
| 2011 Q3 | 26,818 | 11 | 1 | 410.2 |
| 2011 Q2 | 26,889 | 16 | 2 | 595.0 |
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| Trimestre | Horas trabajadas | Citaciones | S&S | Por 1M hrs |
|---|---|---|---|---|
| 2011 Q1 | 33,402 | 21 | 6 | 628.7 |
| 2010 Q4 | 34,535 | 36 | 20 | 1042.4 |
| 2010 Q3 | 34,788 | 15 | 2 | 431.2 |
| 2010 Q2 | 33,615 | 13 | 5 | 386.7 |
| 2010 Q1 | 34,047 | 28 | 9 | 822.4 |
| 2009 Q4 | 30,951 | 19 | 4 | 613.9 |
| 2009 Q3 | 31,509 | 15 | 2 | 476.1 |
| 2009 Q2 | 8,512 | 5 | 1 | 587.4 |
| 2009 Q1 | 848 | 4 | 0 | 4717.0 |
Incidentes reportables
8 en archivo2011 · 2 incidentes
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.
2010 · 6 incidentes
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.
The full compliance file on MT-41
A dated report covering the 26-year penalty trail, line-item violation pattern, contest and docket posture, rate-normalized peer benchmark, and full fatality history. Delivered as a PDF with the underlying data as CSV.