# SLIP OR FALL OF PERSON
> MSHA accident `220181980020` · 01/25/2018 · Heidelberg Materials Midwest Agg, Inc.
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Warehouseman, Bagger, Palletizer/Stacker, Store keeper, Packager, Fabricator, Cleaning plant operator
- **Activity:** Machine maintenance
- **Injury source:** METAL,NEC(PIPE,WIRE,NAIL)
- **Nature of injury:** OTHER INJURY,NEC
- **Body part:** KNEE/PATELLA
- **Days lost:** 30
- **Mine experience:** 27.85 years
## Operator
- **Controller:** Heidelberg Materials AG
- **Operator:** Heidelberg Materials Midwest Agg, Inc.
- **Mine:** [3300151](https://api.ai-analytics.org/mine/3300151)
## Narrative

On 1/25/18, EE was cleaning feeder tube and twisted knee when EE stepped up onto a flange.  This incident became reportable due to lost time as a result of knee surgery performed on 7/5/18.

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