# FALLING/SLIDING/ROLLING MATERIALS
> MSHA accident `220170400008` · 01/24/2017 · River Cement Company dba Buzzi Unicem USA
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** FALLING/SLIDING/ROLLING MATERIALS
- **Accident type:** Struck by falling object
- **Occupation:** Master mechanic, Foreman, Supervisor
- **Activity:** Supervise
- **Injury source:** MISCELLANEOUS,NEC
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** LOWER LEG/TIBIA/FIBULA
- **Days lost:** 16
- **Mine experience:** 25.23 years
## Operator
- **Controller:** Buzzi S p A
- **Operator:** River Cement Company dba Buzzi Unicem USA
- **Mine:** [2300188](https://api.ai-analytics.org/mine/2300188)
## Narrative

Supervisor sprained r knee and fibula fracture r leg.  The supervisor was kneeling in front of the preheat fan VFD when the electrician tripped on the r foot causing the electrician to lose balance and fall on top of the supervisor. Sprained the r knee and fractured lower r leg under the weight of the electrician.  Electrician was not injured. Diagnosed on 02/03/2017.

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