OSHA Accident Investigation · Summary #963868
GRINDER,FRACTURE,LOG,LEG
Event description
EMPLOYEE INJURED IN STUMP GRINDING OPERATION
Investigation abstract
Employees were grinding up stumps and other waste wood with a Rome Mauler Stomas essing. Employee #1's job was to stand on the ground next to the transport conve yor at the end of the machine, observing the belt operation and clearing away an y wood debris. A 7-foot-long by 10-inch-diameter piece of tree truck was thrown out of the top of the hopper and fell on his leg causing the injury. Employee #1 had not complied with the manufacturer's warning instructions to keep clear of the machine while it was in operation. 3300 stump grinder, which was one of three such machines in service in the U.S. A. The machine was 35 feet long by 10 feet high. The operator sits in a cab at o ne end of the machine and loads the hopper at the opposite end with a crane and grapple that is part of the machine. The hopper top is 8 feet by 14 feet and has two steel shafts installed at the bottom with cutting blades that rotate inward towards each other at 30 revolutions per minute. A transport conveyor was insta lled under the cutting shafts that moved the cut-up stumps out of the end of the machine onto another conveyor that transported the material on for further proc
Victim
-
#1 Hospitalized Age 30 M
- Nature of injury
- 12
- Part of body
- 23
- Event type
- 1
- Source
- 26
- Occupation code
- 558
- Human factor
- 1
- Environmental factor
- 6
- 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.