# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220142800013` · 09/08/2014 · ACG Materials
## 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:** Getting on or off equipment
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 14
- **Mine experience:** 7.46 years
## Operator
- **Controller:** H I G Capital LLC
- **Operator:** ACG Materials
- **Mine:** [3401828](https://api.ai-analytics.org/mine/3401828)
## Narrative

Employee was climbing down ladder on 773D haul truck stepped on a 41/2"" rock and twisted his right knee

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