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Case study · MSHA Record #219901940047
Blaster fatality
July 5, 1990 at 12:05 PM
Princeton Quarry And Mill
· Hanson Aggregates Midwest Inc
· Caldwell County, KY
Investigator narrative
THE POWDER CREW WAS IN THE PROCESS OF SETTING OFF A FLOOR SHOT. THE POWDER MAN TOLD THE POWDER MAN HELPER HE WAS GOING TO WALK UP TO A POINT AND YELL BACK AT HIM WHEN TO FIRE THE SHOT. THE POW DER MAN GAVE THE SIGNAL TO SHOOT. A FLY ROCK WAS BLOWN OVER A EST. 200-250 FT BLUFF AND HIT THE POWDER MAN IN THE HEAD.
Record details
- Classification
- EXPLOSIVES AND BREAKING AGENTS
- Accident type
- Struck by flying object
- Activity at time
- Blasting, Shoot Coal
- Subunit / location
- STRIP, QUARY, OPEN PIT
- Source of injury
- CAVING ROCK,COAL,ORE,WSTE
- Nature of injury
- MULTIPLE INJURIES
- Body part affected
- HEAD,NEC
- Total mining experience
- 15 years
- Experience at this mine
- 1 year
- Experience in this job
- 1 year
- Mine type
- Surface
- Sector
- Metal/Non-Metal
Similar incidents in MSHA records
· same classification: EXPLOSIVES AND BREAKING AGENTS
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March 5, 2025 · Calhoun Quarry Inc · IL · Prep Plant Foreman
The detonator had a dead battery. In order to set off the shot, employee brought up a loader. The loader battery was used to set the shot off. Employee was unable to be inside the shelter provided for blasting.
-
March 22, 2016 · Martin Marietta Materials Inc. · IA · Outside Foreman
On March 22, 2016 at approximately 6:35pm an employee was struck by flyrock after a shot was detonated. The employee was sitting inside of a pickup approximately 1,200 feet away from the shot when detonated. This incident resulted in a fatality.
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December 4, 2013 · Bayer Construction Company, Inc. · KS · Outside Foreman
Individual was hit by fly rock while setting off a shot.