OSHA Accident Investigation · Summary #970509
DERRICK,HEAD,COLLAPSE,PIN,EQUIPMENT FAILURE,LACERATION,STABBING BOARD,FALL,OIL WELL SERVICING,ELBOW
Event description
Employee injured in fall as top of derrick collapses
Investigation abstract
Employee #1 started work at 7:00 a.m. pulling rods and casing from an oil well. By 8:30 a.m., he had made seven trips and was on the eighth trip when the pin ca me out of the slot on the bottom half of the derrick, and the top 50 ft (half) c ollapsed. Employee #1 was on the stabbing board, 20 feet from the top of the der rick, when the derrick fell. His work platform hit the walking beam on the oil w ell pump and broke apart. Employee #1 was hanging 30 feet above the ground by hi s safety belt and lanyard, which was secured to the work platform. The employee sustained a cut on the back of his head, a chipped right elbow, and back problem s. He was hospitalized.
Victim
-
#1 Hospitalized Age 28 M
- Nature of injury
- 7
- Part of body
- 19
- Event type
- 5
- Source
- 42
- Occupation code
- 614
- Human factor
- 4
- Environmental factor
- 13
- 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.