# MACHINERY
> MSHA accident `220063560094` · 06/06/2006 · Granite Construction Co
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** MACHINERY
- **Accident type:** Over-exertion NEC
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Hand tools (powered)
- **Injury source:** HAND TOOLS,POWERED,NEC
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** SHOULDERS (COLLARBONE/CLAVICLE/SCAPULA)
- **Days lost:** 0
- **Mine experience:** 4.06 years
## Operator
- **Controller:** Granite Construction Inc
- **Operator:** Granite Construction Co
- **Mine:** [0405336](https://api.ai-analytics.org/mine/0405336)
## Narrative

Employee was holding impact gun over his head to conduct maintenance on horizontal crusher. While doing this, he strained right shoulder.

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