OSHA Accident Investigation · Summary #14550784
M.A. MORTENSON COMPANY INC.
IDAHO FALLS, ID·
Event description
LPG LEAK IGNITED, 4 EMPLOYEES INJURED
Investigation abstract
EMPLOYEES #1 THROUGH #4 WERE LOCATED IN A BUILDING ADJACENT TO A TANK WHICH STOR ED LP GAS. THE TANK"S VALVE CONNECTIONS WERE BROKEN WHEN THEY WERE STRUCK BY A R EBAR ROD BEING DRAGGED BY A PICKUP TRUCK. A CLOUD OF FLAMMABLE VAPOR FORMED FROM THE ESCAPING LP GAS. THE CLOUD WAS IGNITED BY THE PILOT LIGHT OF AN LP GAS VAPO RIZER. FLAMES ENGULFED EMPLOYEES #1 THROUGH #4 WHEN THEY TRIED LEAVE THE BUILDIN G THROUGH A DOOR LOCATED ABOUT 20 FEET AWAY FROM THE TANK.
Victims (5)
-
#1 Non-hospitalized injury Age 24 M
- Nature of injury
- 5
- Part of body
- 12
- Event type
- 2
- Source
- 16
- Occupation code
- 63
- Human factor
- 9
- Environmental factor
- 10
- Task assigned
- 1
-
#2 Non-hospitalized injury Age 32 M
- Nature of injury
- 5
- Part of body
- 9
- Event type
- 2
- Source
- 16
- Occupation code
- 63
- Human factor
- 9
- Environmental factor
- 10
- Task assigned
- 1
-
#3 Hospitalized Age 20 M
- Nature of injury
- 5
- Part of body
- 9
- Event type
- 2
- Source
- 16
- Occupation code
- 598
- Human factor
- 9
- Environmental factor
- 10
- Task assigned
- 1
-
#4 Hospitalized Age 21 M
- Nature of injury
- 5
- Part of body
- 9
- Event type
- 2
- Source
- 16
- Occupation code
- 598
- Human factor
- 9
- Environmental factor
- 10
- Task assigned
- 1
-
#981 Degree 0 Age 0
- Nature of injury
- 0
- Part of body
- 0
- Event type
- 0
- Source
- 0
- Occupation code
- 0
- Human factor
- 0
- Environmental factor
- 0
- Task assigned
- 0
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.