# HANDLING OF MATERIALS
> MSHA accident `220143240030` · 11/17/2014 · U.S. Silica Company, LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Struck by falling object
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Handling supplies or material
- **Injury source:** SCAFFOLDS,STAGING,ETC
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 0
- **Mine experience:** 9.62 years
## Operator
- **Controller:** USS Holdings Inc
- **Operator:** U.S. Silica Company, LLC
- **Mine:** [3603122](https://api.ai-analytics.org/mine/3603122)
## Narrative

Employee was preparing to lower a catwalk into place. Employee was under the catwalk holding it in place in the raised position, over center. Another employee removed the bolt which secured the catwalk. The catwalk started to fall unexpectedly before help could get there. Employee pushed the catwalk back over center to raised position which injured back.

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