# FIRE
> MSHA accident `220093090025` · 11/04/2009 · River Cement Company dba Buzzi Unicem USA
## Details
- **Degree of injury:** ACCIDENT ONLY
- **Classification:** FIRE
- **Accident type:** Accident type, without injuries
- **Occupation:** —
- **Activity:** —
- **Injury source:** —
- **Nature of injury:** —
- **Body part:** —
- **Days lost:** 0
- **Mine experience:** — years
## Operator
- **Controller:** Buzzi S p A
- **Operator:** River Cement Company dba Buzzi Unicem USA
- **Mine:** [2300188](https://api.ai-analytics.org/mine/2300188)
## Narrative

Preheater Cone Valve stuck open and the Raw Mill Cone Valve stuck closed causing the Preheater to go positive.  The Preheater Fans shut down and hot kiln feed fell out of the Preheat Tower and into the Kiln and Clinker Cooler, then onto the Pan Conveyor mixing with the clinker.  This hot materal conveyed to the rubber conveyor belts which caught fire and were destroyed.

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