OSHA Accident Investigation · Summary #14250328
BACK-UP ALARM,GRADER,MAINTENANCE,LOCKOUT,STARTED IN GEAR,RUN OVER
Event description
RUN OVER BY MOTOR GRADER.
Investigation abstract
EMPLOYEE #1 WAS ASSISTING A MECHANIC REPAIR A BACK-UP ALARM ON A GRADER AT THE T IME OF THE ACCIDENT. EMPLOYEE #1 WAS STANDING AT THE REAR OF THE GRADER. THE MEC HANIC WAS BESIDE THE ENGINE BETWEEN THE TANDEM WHEELS. THE MECHANIC ACCIDENTLY E NERGIZED THE STARTER RELAY, STARTING THE ENGINE. THE MACHINE WAS NOT LOCKED OUT. THE ENGINE STARTED IN THIRD GEAR REVERSE, WITH THE THROTTLE IN THE HIGH-SPEED P OSITION. THE GRADER STARTED, TRAVELLING IN REVERSE. THE RIGHT TANDEM WHEELS RAN OVER EMPLOYEE #1, CAUSING INJURIES FROM WHICH HE DIED THREE WEEKS LATER. THE ENG INE ENABLING SWITCH HAD BEEN LEFT "ON", ENABLING THE ENGINE TO START. THE THROTT LES WERE IN THE FULLY OPEN POSITON, ALLOWING MAXIMUM ENGINE SPEED FOR TRAVELING.
Victim
-
#1 Fatality Age 63 M
- Nature of injury
- 21
- Part of body
- 4
- Event type
- 2
- Source
- 26
- Occupation code
- 855
- Human factor
- 4
- Environmental factor
- 4
- 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.