Registro de la MSHA sobre Blue Ribbon (ID de mina 0503043). Muertes, incidentes no mortales agrupados por año, operador y controlador actuales, y contexto de la mina.
Avísenme cuando se presente un nuevo incidente de la MSHA en Blue Ribbon.
THE ROOF FALL WAS FOUND IN THE RETURN ON WEEKLY EXAM OF CROSSCUT 3 #1 ENTRY OF 2 NORTH MAINS DIMENSIONS WERE APROZ 12X20X6 THE CAUSE APPAEARED TO BE WATER IN THE IMMEDIATE SHALE ROOK
THE MINE IS IDLE-THE 2 CAVES OCCURRED IN THE MAIN RETURN ABOVE THE 6FT ANCHOR POINT
TRAVELING THROUGH LOW ROOF AREA CATCHING LEFT SHOULDER BETWEEN ROOF AND STEERING COMPARTMENT OF MACHINE. FRACTURING LEFT SHOULDER BLADE.
THE AREA IS XCUT 19 EAST RETURN 1 THE ROOF PRIOR TO THE FALL HAD BEEN SLAGGING AND SECONDARY ROOF SUPPORT WAS ADDED
CONTINUATION OF TOP COMING DOWN A LITTLE AT A TIME 3 ENTRY EAST CROSS CUT 18
CONTINUALLY COMING IN OF TOP A LITTLE AT A TIME. CAUSING A BLOCKAGE OF AIR RETURN IN 00-1. TOTAL FALL MEASURING 15\X6\. THERE WERE NO INJURIES NOR EQUIPMENT DAMAGE. ROOF DETIERORATES DUETO MOI STURE, WHEN FIRST DETECTED, ADDITIONAL ROOF SUPPORT IS ADDED, EVENTUALLY ENOUGH MATERIAL FROM ROOF COMES DOWN, WHERE WE HAVE TO REPORT, SUCH AS THIS.
WATER WAS OBSERVED COMING FROM ROOF CRIBS HAD BEEN INSTALLED IN AREA BUT WORK WAS NOT COMPLETE SOMETIME IN THE WEEKEND A ROOF FALL OCCURED MEASURING 20X20X7 THERE WERE NO INJURIES NOR EQUIP DAMAGED MINE VENTILATION WAS NOT DISRUPTED AND TRAVELWAYS WERE NOT IMPAIRED
THIS ROOF FALL WAS IN A 4 WAY INTERSECTION AND THE UNINTENT ROOF FAL MEASURED 30X30X9 THERE WERE NO INJURIES NOR EQUIP DAMAGE THE MINE VENTILATION CIRCUITS WERE NOT DISRUPTED TRAVELWAYS NOT IM PAIRED FALL OCCURRED IN #3 ENTRY AT 18X80 LOCATION