OSHA Accident Investigation · Summary #14550610
RULE STEEL TANK INC.
MIDDLETON, ID·
Event description
WELDING A PRESSURE VESSEL, LID FLEW OFF
Investigation abstract
ON OCTOBER 3, 1985, AT APPROXIMATELY 2 PM, EMPLOYEE #1 WAS PREPARING TO TACK WEL D A LEAK ON A VESSEL UNDER PRESSURE. EMPLOYEE #1 HAD PREVIOUSLY TACK WELDED SOME OTHER LEAKS AND HAD ROLLED THE TANK TO CHECK FOR WEAK AREAS. THE AMOUNT OF PRES SURE INSIDE THE TANK AT THE TIME OF THE ACCIDENT IS UNKNOWN. THE EMPLOYEE HAD BE EN TOLD BEFORE THE ACCIDENT TO REDUCE THE PRESSURE IN THE VESSEL, AND HE HAD DON E SO. FOR SOME UNKNOWN REASON HE HAD AGAIN ADDED PRESSURE TO THE VESSEL. WHEN EM PLOYEE #1 KNELT IN FRONT OF THE TANK TO TACK WELD A LEAK, THE LID FLEW OFF AND S TRUCK HIM, KNOCKING HIM ABOUT 9 FEET BACKWARDS. HE STRUCK HIS HEAD ON THE CONCRE TE FLOOR AND SUFFERED FATAL HEAD INJURIES.
Victim
-
#1 Fatality Age 23 M
- Nature of injury
- 21
- Part of body
- 13
- Event type
- 1
- Source
- 2
- Occupation code
- 999
- Human factor
- 1
- Environmental factor
- 5
- 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.