# ENTRAPMENT
> MSHA accident `220243370008` · 11/28/2024 · Ash Grove Cement Company
## Details
- **Degree of injury:** ACCIDENT ONLY
- **Classification:** ENTRAPMENT
- **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

A power outage at the 491 Substation knocked out power to the kiln system, which includes the PHT elevator.  At the time of the outage, a production technician was in the elevator and became trapped, at the 30 minute mark MSHA was notified. through the hatch at the top of the elevator car. Employee was able to self-rescue when power was not restored. 

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