# EXPLODING VESSELS UNDER PRESSURE
> MSHA accident `220143290010` · 11/20/2014 · M-Class Mining LLC
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** EXPLODING VESSELS UNDER PRESSURE
- **Accident type:** Struck by... NEC
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Advance roof support-longwall
- **Injury source:** BOILR,PRES VSL,AIR HOS,OX
- **Nature of injury:** CUT,LACER,PUNCT-OPN WOUND
- **Body part:** TRUNK, MULTIPLE PARTS
- **Days lost:** 35
- **Mine experience:** 0.54 years
## Operator
- **Controller:** Coalfield Transport Inc; Foresight Energy/ Murray Energy
- **Operator:** M-Class Mining LLC
- **Mine:** [1103189](https://api.ai-analytics.org/mine/1103189)
## Narrative

While standing on a roof support shield assembly a pressurized (approx. 4000 psi) base lift cylinder hose assembly, roughly 3/4"" to 1"" in diameter ruptured puncturing our employees lower torso area, severely injuring employee.  Employee was positioned directly above the cylinder at the time of the incident.  Employee was attended to by Mine emergency team.

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