# MACHINERY
> **FATAL** · MSHA accident `220233520021` · 12/14/2023 · Bison Materials LLC
## Details
- **Degree of injury:** FATALITY
- **Classification:** MACHINERY
- **Accident type:** Caught in, under or between a moving and a stationary object
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** METAL,NEC(PIPE,WIRE,NAIL)
- **Nature of injury:** CRUSHING
- **Body part:** TRUNK, MULTIPLE PARTS
- **Days lost:** —
- **Mine experience:** 5.62 years
## Operator
- **Controller:** Spencer Gene  Hopper; Lucas  Hopper
- **Operator:** Bison Materials LLC
- **Mine:** [3402093](https://api.ai-analytics.org/mine/3402093)
## Narrative

Miner was moving a rinse bucket to access a piece of metal that needed to be repaired and welded.  As EE pulled the pin from the rinse bucket somehow the hydraulic cylinder gave way pinning the miner in between the bucket and a handrail.  Resulting in the death of the miner.

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