# FIRE
> MSHA accident `220201950020` · 07/04/2020 · Ash Grove Cement Company
## 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:** —
- **Mine experience:** — years
## Operator
- **Controller:** CRH PLC
- **Operator:** Ash Grove Cement Company
- **Mine:** [4100026](https://api.ai-analytics.org/mine/4100026)
## Narrative

Fire occurred to the High Angle Conveyor (HAC) when power was lost to the plant. A set of triple airlock gates and a knife gate separate the belt from the hot gases. The knife gate failed to shut in fail-safe mode when a valve was inadvertently left off. The HAC belt ignited and burned near a Continuous Emission Monitoring Station. Six compressed gas bottles heated and ruptured.

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