# HANDLING OF MATERIALS
> MSHA accident `220251210002` · 04/26/2025 · Kennecott Utah Copper LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion NEC
- **Occupation:** Grader operator, Roadgrader operator
- **Activity:** Walking, Running
- **Injury source:** GROUND
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 24.27 years
## Operator
- **Controller:** Rio Tinto Group
- **Operator:** Kennecott Utah Copper LLC
- **Mine:** [4200149](https://api.ai-analytics.org/mine/4200149)
## Narrative

Operator walked from grader to talk to oncoming shift grader operator. Talked for a minute then proceeded to walk to board the Burnell bus when operator turned left to board bus, they felt a pop and some pain in left knee. Operator failed to report incident to leader after event happened. Went into RMMC after shift for further evaluation. 

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