← MSHA accidents

FALL OF ROOF OR BACK

220080110032 · 12/29/2007 · Bridger Coal Company

Details

Degree of injury
ACCIDENT ONLY
Classification
FALL OF ROOF OR BACK
Accident type
Accident type, without injuries
Occupation
—
Activity
—
Injury source
—
Nature of injury
—
Body part
—
Days lost
0
Mine experience
— years

Operator

Controller (parent)
MidAmerican Energy Holdings Company; IDACORP
Operator
Bridger Coal Company
Mine
4801646

Narrative

The top is falling out 9? to 12? out in front of the tips shields #1 thru #5. Top falling high, started out at or about the horizon of the anchor point of the original bolts. #1 shield tipped over 1/3 to ? from being on its side. We installed ?I? beams, cable bolts, truss bolts, square sets, rok-props. However the fall kept flushing higher and higher.

Source

Authoritative
MSHA Open Government Data
Machine
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