Mining Incidents
Trainer view Print or save as PDF from your browser (⌘P / Ctrl+P).
← Standard view
Case study · MSHA Record #219910910001

Blaster fatality

March 20, 1991 at 3:22 PM
Hamilton Strip · Al Hamilton Contracting Company Inc · Clearfield County, PA
Investigator narrative
HE WAS FIRING A BLAST AND UPWARD PRESSURES FROM THE BLAST CAUSED CONNECTING WIRE OR AND CAP LEG WIRE TO CONTACT THE OVERHEAD POWELINE IN SOME CONFIGURATION CAUSING ELECTRICITY TO FOLLOW BACK T O THE BLASTING MACHINE RESULTING IN ELECTROCUTION.
Record details
Classification
EXPLOSIVES AND BREAKING AGENTS
Accident type
Contact with electrical current
Activity at time
Blasting, Shoot Coal
Subunit / location
STRIP, QUARY, OPEN PIT
Source of injury
SURFACE MINING MACHINES
Nature of injury
ELECT SHOCK,ELECTROCUTION
Body part affected
BODY SYSTEMS
Total mining experience
15 years
Experience at this mine
10 years
Experience in this job
6 years
Mine type
Surface
Sector
Coal
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.

  • 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.

  • December 4, 2013 · Bayer Construction Company, Inc. · KS · Outside Foreman

    Individual was hit by fly rock while setting off a shot.