# HANDLING OF MATERIALS
> MSHA accident `220261630012` · 06/10/2026 · Colorado Materials, Ltd
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion in lifting objects
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** BELT CONVEYORS
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 0
- **Mine experience:** 6.46 years
## Operator
- **Controller:** John R  Weisman
- **Operator:** Colorado Materials, Ltd
- **Mine:** [4104860](https://api.morvs.ai/mine/4104860)
## Narrative

Employee was working maintenance on a conveyor belt system and felt a strain in EE's lower back while EE lifted the belt. Upon being interviewed, EE stated that EE believed EE aggravated a prior non-work related injury that had put EE out of work for several months.

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