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Case study · MSHA Record #220212640032
Welder (Non-Shop) fatality
September 15, 2021 at 9:11 AM
Freeport-McMoRan Morenci Inc.
· Greenlee County, AZ
Investigator narrative
Weld crew initiated an argon purge on a 30" pipe that had been fit up afternoon prior. When argon purge was established, two welders began to make their root pass welds. Upon inspection "sugaring" was observed. a welder entered the open end of the 30" pipe for unknown reasons where they were found by a coworker to be unresponsive. No witnesses observed them enter the pipe.
Record details
- Classification
- OTHER
- Accident type
- Unclassified, insufficient data
- Activity at time
- Welding Or Cutting
- Subunit / location
- STRIP, QUARY, OPEN PIT
- Source of injury
- MISCELLANEOUS,NEC
- Nature of injury
- UNCLASSIFIED,NOT DETERMED
- Body part affected
- UNCLASSIFIED
- Total mining experience
- 10 years
- Experience at this mine
- 0 years
- Experience in this job
- 10 years
- Mine type
- Surface
- Sector
- Metal/Non-Metal
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