# SLIP OR FALL OF PERSON
> MSHA accident `220150820005` · 03/02/2015 · Heidelberg Materials US Cement LLC
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Fall from machine
- **Occupation:** Crusher attendant/operator, Pan feeder operator/worker
- **Activity:** Getting on or off equipment
- **Injury source:** GROUND
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 56
- **Mine experience:** 5.46 years
## Operator
- **Controller:** Heidelberg Materials AG
- **Operator:** Heidelberg Materials US Cement LLC
- **Mine:** [1200063](https://api.ai-analytics.org/mine/1200063)
## Narrative

Employee was stepping down from #2 rock feeder, stepped on uneven surface and fell to the ground, striking his left knee.

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