A crew of 5 workers were installing an 8'x10' process door when the lifting lug on the door became detached. This resulted in the door free falling approximately 22"" to the ground and ultimately falling over onto one of the crew members.
Alcoa IncController
- Fatalities
- 3
- Total incidents
- 742
- Mines on record
- 4
- Years on record
- 2000–2019
Safety benchmark
Recorded fatalities relative to other controllers with a fatal MSHA history. Percentile is computed across the 590 controllers with at least one recorded fatality.
More recorded fatalities than 86% of controllers on file.
Position when controllers are sorted by recorded fatalities.
Industry mean: 2.0 fatalities per fatal-history controller.
- Coronado Coal LLC4fatal729 total
- Kinross Gold Corp3fatal730 total
- Chevron Corporation3fatal760 total
- Alcoa Incthis controller3fatal742 total
- Graymont Ltd1fatal741 total
Methodology: percentile and rank computed across MSHA controllers with at least one recorded fatality. Industry mean is the average across that same population. Peers are sampled by closest total-incident count, regardless of fatality outcome.
Top causes
- MACHINERY1 fatality · 57 non-fatal
- OTHER1 fatality · 38 non-fatal
- FALLING/SLIDING/ROLLING MATERIALS1 fatality · 2 non-fatal
- HANDLING OF MATERIALS247 non-fatal
- HANDTOOLS (NONPOWERED)123 non-fatal
- SLIP OR FALL OF PERSON105 non-fatal
Incident timeline
Operators under this controller
Mines on record
Fatalities under this controller
3 recordedA Chemicals I&E Technician was sprayed in the face with a liquid assumed to contain condensated hydrogen fluoride. The miner was in the process of performing routine preventative maintenance on an instrument tap. The system that the miner was working on is expected to be under a vacuum under normal conditions. The injuries suffered by the EE resulted in his death.
DEMOLITION OF STEEL STRUCTURE USING CUT PULL AND DROP METHOD. A PIECE BECAME LOOSE AND ROLLED UNTIL IT HIT THE DECEASED.