# HANDLING OF MATERIALS
> MSHA accident `220170530004` · 02/15/2017 · Preferred Proppants LLC.
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion in lifting objects
- **Occupation:** Dryer operator, Kiln operator,  Dry plant operator,  Fluid operator, Bed dryer operator
- **Activity:** Machine maintenance
- **Injury source:** METAL COVERS & GUARDS
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 0
- **Mine experience:** 2.46 years
## Operator
- **Controller:** Preferred Intermediate Holding Company, LLC
- **Operator:** Preferred Proppants LLC.
- **Mine:** [4703599](https://api.ai-analytics.org/mine/4703599)
## Narrative

They unbolted the rotex and changed the bottom 6 screens on both sides of the rotex. Employee then bolted up the rotex and then came down to the control room. When employee got out of the chair they could feel a sharp pain. Employee thought it was nothing at the time and would go away. When employee woke up on 2/16/17 they had more pain. 

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