# SLIP OR FALL OF PERSON
> MSHA accident `220012140014` · 07/26/2001 · Calaveras Materials LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Backhoe operator, Trackhoe operator, Crane operator
- **Activity:** Walking, Running
- **Injury source:** FLOOR,WALKING SURF-NOT UG
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** —
- **Mine experience:** 0.26 years
## Operator
- **Controller:** Heidelberg Materials AG
- **Operator:** Calaveras Materials LLC
- **Mine:** [0402841](https://api.ai-analytics.org/mine/0402841)
## Narrative

STEPPED OFF SCALPING SCREEN ONTO WALKWAY AND TWISTED LEFT KNEE. HAD CLEANED WALKWAY PRIOR TO GOING ONTO SCREEN.

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