# INUNDATION
> MSHA accident `220111430007` · 05/19/2011 · Heidelberg Materials US Cement LLC
## Details
- **Degree of injury:** ACCIDENT ONLY
- **Classification:** INUNDATION
- **Accident type:** Accident type, without injuries
- **Occupation:** —
- **Activity:** —
- **Injury source:** —
- **Nature of injury:** —
- **Body part:** —
- **Days lost:** 0
- **Mine experience:** — years
## Operator
- **Controller:** Heidelberg Materials AG
- **Operator:** Heidelberg Materials US Cement LLC
- **Mine:** [1200063](https://api.ai-analytics.org/mine/1200063)
## Narrative

At 1:34am the #1 coal mill was operating normally when the kiln operator received an alarm that one of the two explosion vents opened.  Hot material was inside the mill inlet ductwork.  The coal system was flooded with water.

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