A roof fall measuring 32'L X 18'W X 8' thick was discovered 500' outby the working section in the return near survey point 70273. The failure was due to laminated coal/rock streaks above the 6' torque tension supports. The fall affected ventilation. An MSHA control order was issued the roof was resupported and ventilation was re-established.
Saylor B Coal
Saylor B tiene $19K en multas propuestas de MSHA y $958 pendientes en 3 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 Saylor B.
- Muertes
- 0
- Incidentes totales
- 8
- Años en registro
- 2011–2012
- Último incidente
- Nov 2012
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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.Saylor B tiene $19K en multas propuestas de MSHA y $958 pendientes en 3 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 Saylor B muestra un polvo respirable de carbon promedio de 0.51 mg/m3 (94% en cumplimiento) en 152 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 Q2 | 0 | 1 | 0 | |
| 2012 Q4 | 23,146 | 9 | 0 | 388.8 |
| 2012 Q3 | 29,067 | 9 | 3 | 309.6 |
| 2012 Q2 | 29,790 | 11 | 2 | 369.3 |
| 2012 Q1 | 33,617 | 7 | 0 | 208.2 |
| 2011 Q4 | 29,325 | 5 | 0 | 170.5 |
| 2011 Q3 | 30,300 | 10 | 1 | 330.0 |
| 2011 Q2 | 11,838 | 5 | 1 | 422.4 |
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| Trimestre | Horas trabajadas | Citaciones | S&S | Por 1M hrs |
|---|---|---|---|---|
| 2011 Q1 | 4,115 | 0 | 0 | 0.0 |
| 2010 Q4 | 1,926 | 0 | 0 | 0.0 |
| 2010 Q3 | 0 | 6 | 2 | |
| 2010 Q2 | 0 | 0 | 0 |
Incidentes reportables
8 en archivo2012 · 4 incidentes
Employee was using a razor knife to remove nylon bindings around supplemental roof support plates (pizza pans) when he recieved a laceration to the right hands. Wound required sutures.
A roof fall occurred on the 001 section measuring 18'long, 18'wide, 12'high. No injuries occurred as a result of the fall, mining equipment was affected. The fall occurred due to a 8' coal seam above the 6' torque tension roof bolts. Equipment was moved from the section and the roof control plan was modified.
A roof fall measuring 50' L x 19' W x 8' H was discovered in the last open line of crosscuts between #6 and # 7 entries, 50' inby spad 68152. The fall occurred due to failure above the anchorage zone of 5' torque tension and 12' cable roof bolts. Ventilation and the transportation of miners' were affected. No injuries occurred as a result of the fall.
2011 · 4 incidentes
Employee was working on a shuttle car with a chain hoist, as he was pulling slack chain from the hoist it became loose and struck the employees chipping a tooth.
A roof fall measuring 34'long, 16'wide, and 5'high occurred in the #7 Intake entry SE Mains. The fall occurred due to laminated coal and rock above the 5' torque tension roof bolts. No injuries occurred due to the fall. Equipment movement on the active section was affected by the fall.
A roof fall measuring 22' wide, 18' high, 8' thick fell in the belt entry 1000' outby the working section and outby spad 67301. The area was developed 06/12/11 with 6' torque tension bolts as the primary support. The fall occurred due to laminated rock and coal above the 6' primary supports. No injuries resulted from the fall, belt haulage was affected.
A roof fall measuring 50' long, 18' wide and 10' thick occurred in the neutral entry 500' from the active section. The fall affected intake ventilation. The failure occurred due to coal/rock streaks above the permanent supports, 6 foot torque tension roof bolts. The fall was investigated by MSHA. No injuries occurred as a result of the fall.
The full compliance file on Saylor B
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.