# MACHINERY
> MSHA accident `220032170019` · 07/27/2003 · Blue Mountain Energy Inc
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** MACHINERY
- **Accident type:** Over-exertion NEC
- **Occupation:** Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)
- **Activity:** Hand tools (powered)
- **Injury source:** DRIL-PRCUSV,HRD ROC,JKHMR
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** SHOULDERS (COLLARBONE/CLAVICLE/SCAPULA)
- **Days lost:** 56
- **Mine experience:** 6.73 years
## Operator
- **Controller:** Deseret Generation & Transmission Co-operative
- **Operator:** Blue Mountain Energy Inc
- **Mine:** [0503505](https://api.ai-analytics.org/mine/0503505)
## Narrative

THE EMPLOYEE WAS SINKING AN ANCHOR BOLT INTO THE FLOOR WITH A JACK HAMMER. THE HAMMER SLIPPED OFF THE BOLT CAUSING THE EMPLOYEE TO OVEREXTEND HIS RIGHT ARM/SHOULDER.

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