# SLIP OR FALL OF PERSON
> MSHA accident `220201400004` · 03/18/2020 · Hinsdale County Road and Bridge
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Bulldozer operator, Universal operator, Heavy equipment operator, Operating engineer
- **Activity:** Machine maintenance
- **Injury source:** BELT CONVEYORS
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 319
- **Mine experience:** 0.06 years
## Operator
- **Controller:** Hinsdale County -CO
- **Operator:** Hinsdale County Road and Bridge
- **Mine:** [0505120](https://api.ai-analytics.org/mine/0505120)
## Narrative

Employee climbed up on crusher to clean a conveyor belt that had jammed. EE didn't get proper footing and twisted EE's knee.

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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*