# ENTRAPMENT
> MSHA accident `220170900024` · 03/21/2017 · Hi-Grade Materials Co
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** ENTRAPMENT
- **Accident type:** Caught in, under or between collapsing material or buildings
- **Occupation:** Welder (shop)
- **Activity:** Getting on or off equipment
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** UNCLASSIFIED,NOT DETERMED
- **Body part:** MULTIPLE PARTS (MORE THAN ONE MAJOR)
- **Days lost:** 320
- **Mine experience:** 0.44 years
## Operator
- **Controller:** Robar Enterprises Inc
- **Operator:** Hi-Grade Materials Co
- **Mine:** [0403178](https://api.ai-analytics.org/mine/0403178)
## Narrative

While attempting to change skirting on conveyor, employee entered the dozer trap to remove bolts, equipment operator pushed material into the hopper and buried employee with material. 

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