# HOISTING
> MSHA accident `220071630018` · 02/08/2007 · Consolidation Coal Company
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** HOISTING
- **Accident type:** Struck against a moving object
- **Occupation:** Miner, NEC
- **Activity:** Caging, Operate elevator
- **Injury source:** ELEVATORS,CAGES,SKIPS,ETC
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** MULTIPLE PARTS (MORE THAN ONE MAJOR)
- **Days lost:** 337
- **Mine experience:** 0.38 years
## Operator
- **Controller:** CONSOL Energy Inc
- **Operator:** Consolidation Coal Company
- **Mine:** [4601318](https://api.ai-analytics.org/mine/4601318)
## Narrative

An unknown mechanical failure occurred in the Clyde Frame 10 hoist being used for shaft steel construction that allowed the work platform in the shaft to briefly freefall prior to being stopped by the overspeed protection on hoist.

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