# HANDLING OF MATERIALS
> MSHA accident `220132540030` · 06/04/2013 · Tigard Sand & Gravel LLC
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion in lifting objects
- **Occupation:** Laborer, Blacksmith, Bull gang, Parts runner, Roustabout, Pick-up man, Pitman
- **Activity:** Machine maintenance
- **Injury source:** BELT CONVEYORS
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 1
- **Mine experience:** 1 years
## Operator
- **Controller:** A J  Urbanek
- **Operator:** Tigard Sand & Gravel LLC
- **Mine:** [3503429](https://api.ai-analytics.org/mine/3503429)
## Narrative

Employee was replacing a gear drive on conveyor. While removing it, he twisted wrong and hurt his back.

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