# MACHINERY
> MSHA accident `220090990021` · 03/26/2009 · CalPortland Company
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck against a moving object
- **Occupation:** Bulldozer operator, Universal operator, Heavy equipment operator, Operating engineer
- **Activity:** Bulldozer
- **Injury source:** SURFACE MINING MACHINES
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 0
- **Mine experience:** 5.94 years
## Operator
- **Controller:** Taiheiyo Cement Corp
- **Operator:** CalPortland Company
- **Mine:** [4503334](https://api.morvs.ai/mine/4503334)
## Narrative

Affected employee was operating a dozer during his shift. He complained of back pain but indicated that no particular incident had occurred causing this pain but thought it was from operating the dozer. The employee was taken for medical observation where it was determined that he had a strain to the lower back. He was placed on modified duty.

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