# SLIP OR FALL OF PERSON
> MSHA accident `220171210011` · 04/17/2017 · CalMat Co
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Greaser, Grease man, Oiler, Lube man, Dragline oiler
- **Activity:** Getting on or off equipment
- **Injury source:** STORAGE TANKS AND BINS
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 0.5 years
## Operator
- **Controller:** Vulcan Materials Company
- **Operator:** CalMat Co
- **Mine:** [2901475](https://api.ai-analytics.org/mine/2901475)
## Narrative

Employee  was filing the feeder on the portable plant with oil in the tank.  Step out of feeder enclosure and left knee popped. 

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