Welder (Non-Shop)

September 15, 2021 at 9:11 AM

Freeport-McMoRan Morenci Inc. · Surface · Metal/Non-Metal

Operator: Freeport-McMoRan Morenci Inc. (Freeport-McMoRan Inc)

Greenlee County, AZ

Classification OTHER

Type Unclassified, insufficient data

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

Activity at time of incident: Welding Or Cutting
Subunit / location: STRIP, QUARY, OPEN PIT
Underground location: NO VALUE FOUND
Mining method: NO VALUE FOUND
Accident type: Unclassified, insufficient data
Source of injury: MISCELLANEOUS,(Not Elsewhere Classified)
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
Degree of injury: FATALITY

Verify on MSHA

Every record on this page mirrors what MSHA publishes under its Open Government Data program, refreshed weekly. MSHA does not publish per-accident URLs — the Accidents data is distributed as a single bulk file — so this is how to retrieve the source for the specific record below:

Final investigation report: Read MSHA's final report
Accident record: Download MSHA Accidents.zip — then search for Document number 220212640032 (the unique key per MSHA Form 7000-1)
Mine record: MSHA Mine Data Retrieval System — search by Mine ID 0200024
All MSHA datasets: Open Government Data program directory — Accident, Mines, Inspections, Violations, etc.

Source: US Mine Safety and Health Administration (MSHA) · Document 220212640032 · Mine ID 0200024 Trainer view →