OSHA Accident Investigation · Summary #14456198
BEAVER CITY CORP
BEAVER, UT—
Event description
Employee injured by flying rock
Investigation abstract
Employee #1 and coworkers were assigned to remove some rocks from immediately be slipped away from around the rock being lifted and the rock was thrown approxima tely 30 ft, striking Employee #1. He sustained injuries that required hospitaliz ation. low the Beaver City penstock to clean and reinforce the channel. A winch truck w as on the north shoulder of an asphalt road that ran parallel to the stream bank and a pulley had been placed around and into an opening in a solid rock face th at was approximately 35 ft from the stream bank. A 1/2 in. wire rope was let out , run through the pulley, and then run to a roughly 35 percent slope about 60 ft upstream; an eyelet was bound on the end using three clamps. A chain with 3/8 i n. links had been wrapped four times around a rock to be moved. As the rock was lifted, it became caught on another rock. When the tension increased, the chain
Victim
-
#1 Hospitalized Age 29 M
- Nature of injury
- 12
- Part of body
- 16
- Event type
- 1
- Source
- 12
- Occupation code
- 999
- Human factor
- 1
- Environmental factor
- 5
- Task assigned
- 2
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.