# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220110130004` · 01/08/2011 · Freeport McMoRan Corporation
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** STEPPING OR KNEELING ON OBJECT
- **Accident type:** Struck against stationary object
- **Occupation:** Bulldozer operator, Universal operator, Heavy equipment operator, Operating engineer
- **Activity:** Handling supplies or material
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** ANKLE
- **Days lost:** 45
- **Mine experience:** 0.35 years
## Operator
- **Controller:** Freeport-McMoRan Inc
- **Operator:** Freeport McMoRan Corporation
- **Mine:** [0201656](https://api.ai-analytics.org/mine/0201656)
## Narrative

Employee was assigned to tie reno mattresses together on down drain #2. In the process of doing that job, he stepped on a rock and twisted his left ankle.

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