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Case study · MSHA Record #219863280122
Mine Manager fatality
November 13, 1986 at 11:15 AM
HARDING STREET QUARRY-SURFACE
· American Aggregates Corp
· Marion County, IN
Investigator narrative
UNPLANNED DETON5TION WHILE FATALLY INJURED EMPLOYEE WAS IN PROCESS OF LOADING BLASTING AGENT EXPLOSIVE INTO BOREHOLE 5000 #6 FUSE CAPS WERE BEING DESTROYED AND HAD BEEN LOADED INTO SOME HOLES PRIOR TO UNPLA3NED DETONATION UNKNOWN AND IMPOSSIBLE TO DETERMINE IF #6 CAPS WERE IN THE HOLE THAT DETONATED UNPLANNED EXCLUSIVE OF THE FUSE CAPS THE NORMAL LOADING PROCEDURE AND PRODUCTS GIV
Record details
- Classification
- EXPLOSIVES AND BREAKING AGENTS
- Accident type
- Struck by flying object
- Activity at time
- Handling Explosives
- Subunit / location
- STRIP, QUARY, OPEN PIT
- Source of injury
- CAVING ROCK,COAL,ORE,WSTE
- Nature of injury
- MULTIPLE INJURIES
- Body part affected
- HEAD, MULTIPLE PARTS
- Total mining experience
- 13 years
- 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.
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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.