# MACHINERY
> MSHA accident `220100550023` · 02/17/2010 · Kiewit Mining Group Inc.
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** MACHINERY
- **Accident type:** Caught in, under or between a moving and a stationary object
- **Occupation:** Welder (shop)
- **Activity:** Hand tools (powered)
- **Injury source:** HAND TOOLS,POWERED,NEC
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** FINGER(S)/THUMB
- **Days lost:** 0
- **Mine experience:** 0.1 years
## Operator
- **Controller:** Kiewit Peter Sons' Inc
- **Operator:** Kiewit Mining Group Inc.
- **Mine:** [4801200](https://api.ai-analytics.org/mine/4801200)
## Narrative

C-clamp & impact wrench used to position & bolt pre-fabed handrail section into mounting bracket. Force applied rapidly moved rail into place, clamp moved with section, pinching employee's index finger against trigger of wrench. Tip of right finger bone fractured.

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