A Millwright drove the pins out of a 200-ton crane boom to change out a section and the boom fell on employee.
Thunder Basin Coal Company LLCOperator
- Fatalities
- 4
- Total incidents
- 590
- Mines on record
- 2
- Period
- —
Get an email the moment a new MSHA-reportable accident lands at any mine on file under Thunder Basin Coal Company LLC. Useful for 105(c) defense intake, FMSHRC docket prep, and active client monitoring.
Top causes
- MACHINERY2 fatalities · 52 non-fatal
- SLIP OR FALL OF PERSON1 fatality · 119 non-fatal
- FALL OF FACE/RIB/PILLAR/SIDE/HIGHWALL1 fatality · 2 non-fatal
- HANDLING OF MATERIALS165 non-fatal
- HANDTOOLS (NONPOWERED)64 non-fatal
- POWERED HAULAGE58 non-fatal
Incident timeline
Mines on record
Fatalities under this operator
4 recordedThe technician was assisting in moving a 2800 P&H shovel when the machine lost propel capabilities. The machine then rolled in reverse striking the pickup driven by the technician causing fatal injuries.
AFTER OVERSEEING THE ACTIVITIES OF CONTRACTORS WORKING ON THE BELT 614 LEVEL, EMPLOYEE LEFT AND WENT UP THREE FLIGHTS OF STAIRS TO THE 612 BELT LEVEL WHERE THE ELEVATOR TO THE SURFACE WAS LOCA TED. WITHIN A MINUTE OR TWO OF LEAVING, HE FELL THROUGH A 4X4 OPENING THAT HAD BEEN USED TO LOWER PARTS. THE HOLE HAD FLAGGING AT ALL ENTRIES AT LEAST 4' FROM THE EDGE. HE FELL 19' TO THE BEL
EE WAS CLEANING UP AROUND THE 8 SHOVEL. EYEWITNESS SAYS ""A LARGE ROCK CAME DOWN AND HIT THE 86 DIRECTLY ON THE RIGHT SIDE OF THE ROPS...SMASHING THE CAB."" EE WAS KILLED INSTANTANEOUSLY BY THE IMPACT ACCORDING TO THE DEPUTY CORONER.