# MACHINERY
> MSHA accident `220120390028` · 05/10/2011 · Chevron Mining Inc
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** MACHINERY
- **Accident type:** Over-exertion NEC
- **Occupation:** Ledgeman/hand, Quarry man
- **Activity:** Drill face, Rib, Side, Down
- **Injury source:** DRIL-PRCUSV,HRD ROC,JKHMR
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** SHOULDERS (COLLARBONE/CLAVICLE/SCAPULA)
- **Days lost:** 0
- **Mine experience:** 15 years
## Operator
- **Controller:** Chevron Corporation
- **Operator:** Chevron Mining Inc
- **Mine:** [2901267](https://api.ai-analytics.org/mine/2901267)
## Narrative

The employee was spot bolting when the drill steel was approximately three feet in the hole, and it struck another bolt causing the machine to rotate jerking the employee's right arm. The employee was able to shut off the machine in a timely manner, and continued working. After final evaluation and determination by physician, surgery was scheduled and became a DAFW on 1-26-12.

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