# HANDLING OF MATERIALS
> MSHA accident `220170750024` · 08/16/2016 · Heidelberg Materials US Cement LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion NEC
- **Occupation:** Utility man, Shift tech, Service/Dump truck operator
- **Activity:** Getting on or off equipment
- **Injury source:** SURFACE MINING MACHINES
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 11 years
## Operator
- **Controller:** Heidelberg Materials AG
- **Operator:** Heidelberg Materials US Cement LLC
- **Mine:** [1800017](https://api.ai-analytics.org/mine/1800017)
## Narrative

Employee was climbing down from a Cat D7 dozer when left foot caught in the step and twisted left knee. Employee has had prior knee surgery. Employee had knee surgery on 2/18/2017

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