FAULT IN ROOF CAUSED ROOF FALL APPROX 140\ OUTBY SPAD #3884 IN #1 ENTRY, THIS FALL IS APPROX 4\ THICK, 18\ WIDE, AND 40\ LONG. THIS AREA HAD SHOWN SIGNS OF WEAKING AND ADDITIONAL SUPPORT SUCH CRIBS HAD BEEN SET, THIS AREA HAS BEEN DANGERED OFF
No 7 Mine Coal
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- Muertes
- 0
- Incidentes totales
- 5
- Años en registro
- 1983–1984
- Último incidente
- Aug 1984
Incidentes reportables
5 en archivo1984 · 1 incidente
1983 · 4 incidentes
WHILE BOLTING TOP PIECE OF DRAW SLATE FELL CATCHING LEFT HAND AGAINST HEAD OF ROOF BOLTING MACHINE
ENTRIES DRIVEN THRU A FAULT AREA WITH WEAK IMMEDIATE ROOF THE TOP SHIFTED CAUSING STRATA TO SEPARATE SUBSEQUENTLY CAUSING A FALL IN THE INTERSECTION
WITH ALREADY WEAK STRATA FOR IMMEDIATE ROOF -TOP SHIFTED CAUSING CRACKS AND ROOF FALL.STEPS HAD BEEN TAKEN TO SECURE TOP ..RESIN BOLTING AND CRIBS INSTALLED.
WHILE OPERATING ROOF BOLTER STEEL BECAME LODGED IN TOP WHILE TRYING TO FREE STEEL IT CAME LOOSE FALLING AND STRIKING LEFT HAND BROKEN BONE TO THUMB AND F OREFINGER