# FALLING/SLIDING/ROLLING MATERIALS
> **FATAL** · MSHA accident `220121150007` · 04/11/2012 · G S Materials Inc
## Details
- **Degree of injury:** FATALITY
- **Classification:** FALLING/SLIDING/ROLLING MATERIALS
- **Accident type:** Fall to the walkway or working surface
- **Occupation:** Bulldozer operator, Universal operator, Heavy equipment operator, Operating engineer
- **Activity:** Machine maintenance
- **Injury source:** FLOOR,WALKING SURF-NOT UG
- **Nature of injury:** CEREBRAL HEMORAGE-NT CCUS
- **Body part:** BRAIN
- **Days lost:** 0
- **Mine experience:** 8.38 years
## Operator
- **Controller:** R G  Kirkpatrick Sr.
- **Operator:** G S Materials Inc
- **Mine:** [3101990](https://api.ai-analytics.org/mine/3101990)
## Narrative

Miners were removing a counterweight from an excavator, standing side-by-side, when the counter-weight dropped unexpectedly to the ground.The victim stumbled backwards,fell landed on the back of his head on the shop floor. He was unresponsive during CPR. The autopsy report concludes the proximate cause of death as""commotio cerebri""noting also cardiac arrest.

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