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Case study · MSHA Record #220160890010
Outside Foreman fatality
March 22, 2016 at 6:45 PM
Earlham Quarry
· Martin Marietta Materials Inc.
· Madison County, IA
Investigator narrative
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.
Record details
- Classification
- EXPLOSIVES AND BREAKING AGENTS
- Accident type
- Struck by flying object
- Activity at time
- Observe Operations
- Subunit / location
- STRIP, QUARY, OPEN PIT
- Underground location
- NO VALUE FOUND
- Mining method
- NO VALUE FOUND
- Source of injury
- BROKEN ROCK,COAL,ORE,WSTE
- Nature of injury
- CRUSHING
- Body part affected
- HEAD, MULTIPLE PARTS
- Total mining experience
- 6 years
- Experience at this mine
- 0 years
- Experience in this job
- 0 years
- Mine type
- Surface
- Sector
- Metal/Non-Metal
Similar incidents in MSHA records
· same classification: EXPLOSIVES AND BREAKING AGENTS
-
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.
-
December 4, 2013 · Bayer Construction Company, Inc. · KS · Outside Foreman
Individual was hit by fly rock while setting off a shot.
-
November 17, 2013 · Star Mine Operations, LLC · CO · Utility Man
Employee went back to check on a post blast and became overcome by Carbon Monoxide from powder smoke. Carbon Monoxide