OSHA Accident Investigation · Summary #570614
FURNACE,TRAP GAS,TOXIC FUMES
Event description
TRAP GAS ERUPTION
Investigation abstract
THE EMPLOYEES WERE IN THE PROCESS OF SLIPPING AN ELECTRODE AND HAD TO LOOSEN TWO BOLTS THAT ATTACHED THE HOLDING RING AND SHOES TO THE ELECTRODE. THEY LOOSENED ONE BOLT AND WERE IN THE PROCESS OF LOOSENING THE SECOND BOLT. THE ELECTRODE SLI PPED DOWN, RELEASING A POCKET OF TRAP GASES. BEFORE BEGINNING THIS PROCESS, THE FURNACE OPERATOR WILL NORMALLY STOKE UP THE MIX. THIS IS AFTER THE TAPER OPERATO R HAD DRAINED OUT MOST OF THE MOLTEN FE CA SILICIDE. HE WILL THEN ADD DRY MIX TO THE FURNANCE, STOKE THE DRY MIX AND COVER THE ENTIRE FURNACE BEFORE TRYING TO S LIP THE ELECTRODE.
Victims (3)
-
#1 Fatality Age 51 M
- Nature of injury
- 5
- Part of body
- 19
- Event type
- 1
- Source
- 23
- Occupation code
- 999
- Human factor
- 20
- Environmental factor
- 7
- Task assigned
- 1
-
#2 Fatality Age 33 M
- Nature of injury
- 5
- Part of body
- 19
- Event type
- 1
- Source
- 23
- Occupation code
- 999
- Human factor
- 20
- Environmental factor
- 7
- Task assigned
- 1
-
#3 Hospitalized Age 38 M
- Nature of injury
- 5
- Part of body
- 19
- Event type
- 1
- Source
- 23
- Occupation code
- 999
- Human factor
- 20
- Environmental factor
- 7
- Task assigned
- 1
Codes shown verbatim from OSHA's accident-investigation database. A human-readable decoder is coming in a future release once the accident_lookup2 dictionary is loaded.