# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220063120007` · 11/02/2006 · CalMat Co
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** STEPPING OR KNEELING ON OBJECT
- **Accident type:** Struck against stationary object
- **Occupation:** Beltman, Conveyor man,  Conveyor belt worker, Mobile bridge carrierman, Feeder operator, Conveyor rider
- **Activity:** Machine maintenance
- **Injury source:** METAL,NEC(PIPE,WIRE,NAIL)
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 0.06 years
## Operator
- **Controller:** Legacy Vulcan Corp (Form:Vulcan Materials Co)
- **Operator:** CalMat Co
- **Mine:** [0202166](https://api.ai-analytics.org/mine/0202166)
## Narrative

Employee was cleaning up work slab at secondary crusher, lifting scrap steel into tractor bucket.  He caught his heel on another piece of steel and twisted his right knee.

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