# SLIP OR FALL OF PERSON
> MSHA accident `220122370001` · 08/21/2012 · Hanson Aggregates LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Front-end loader, Scraper-loader operator, Pan operator, Payloader, Scraper rig operator
- **Activity:** Cross over (conveyor)
- **Injury source:** GROUND
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 11.31 years
## Operator
- **Controller:** Heidelberg Materials AG
- **Operator:** Hanson Aggregates LLC
- **Mine:** [4102604](https://api.ai-analytics.org/mine/4102604)
## Narrative

Employee was by log washer and was going to wash the radial rock stacker tail pulley, crossed over the 10"" pipe and he planted his left foot and his knee gave out and he sprained his left knee.

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