# MACHINERY
> MSHA accident `220230090030` · 01/01/2023 · Kennecott Utah Copper LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck against stationary object
- **Occupation:** Grader operator, Roadgrader operator
- **Activity:** Grader
- **Injury source:** METAL COVERS & GUARDS
- **Nature of injury:** CONCUSSION-BRAIN,CEREBRAL
- **Body part:** BRAIN
- **Days lost:** 0
- **Mine experience:** 16.33 years
## Operator
- **Controller:** Rio Tinto Group
- **Operator:** Kennecott Utah Copper LLC
- **Mine:** [4200149](https://api.ai-analytics.org/mine/4200149)
## Narrative

Grader was the last in line with 4 other graders blading snow off of shovel bench. The blade hit a large rock and suddenly stopped the grader, throwing the operator forward, then jerking the operator back. When EE's head jerked back, head hit the handle on the door, causing a cut on the back of EE's head, a brief blackout, which resulted in a concussion and a sore neck.

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