# SLIP OR FALL OF PERSON
> MSHA accident `220220590018` · 02/17/2022 · Calaveras Materials LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Fall to the walkway or working surface
- **Occupation:** Plumber, Pipefitter, Millwright
- **Activity:** Handling supplies or material
- **Injury source:** GROUND
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 6
- **Mine experience:** 0.23 years
## Operator
- **Controller:** Martin Marietta Materials Inc
- **Operator:** Calaveras Materials LLC
- **Mine:** [0405799](https://api.ai-analytics.org/mine/0405799)
## Narrative

Uneven ground, smooth rock. Poor footing. Worker slipped on packing material from metal the worker was transferring to pallet.  Packing material covered a rock and worker fell and hurt left knee.

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