# SLIP OR FALL OF PERSON
> MSHA accident `220150970010` · 04/01/2015 · Shelly Materials Inc
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Fall from machine
- **Occupation:** Utility man, Errand boy, Service truck operator
- **Activity:** Getting on or off equipment
- **Injury source:** MINE FLOOR,BOTTOM,FOOTWAL
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 1.02 years
## Operator
- **Controller:** CRH PLC
- **Operator:** Shelly Materials Inc
- **Mine:** [3300042](https://api.ai-analytics.org/mine/3300042)
## Narrative

Employee was operating a Gradall 4310 Mine Scaler in an underground room and pillar mine. Employee stopped the machine and shut it off. As the employee exited the machine he missed a step with his right foot causing him to slip and fall approximately 4 1/2 feet to the ground. When he hit the ground he twisted his left knee resulting in a soft tissue injury diagnosed as a sprain.

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