# MACHINERY
> MSHA accident `220100250045` · 01/09/2010 · Alpha Coal West, Inc.
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck against a moving object
- **Occupation:** Bulldozer operator, Universal operator, Heavy equipment operator, Operating engineer
- **Activity:** Bulldozer
- **Injury source:** SURFACE MINING MACHINES
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 40
- **Mine experience:** 8.69 years
## Operator
- **Controller:** Alpha Natural Resources, Inc.
- **Operator:** Alpha Coal West, Inc.
- **Mine:** [4801078](https://api.ai-analytics.org/mine/4801078)
## Narrative

A dozer operator was pushing coal cleanings into a berm in a drilling and blasting area. While backing to reposition, the operator misjudged her distance from the crest and backed off the highwall. The dozer fell approximately 33 feet onto a slough pile. The operator was dignosed with one ruptured disc.

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