# MACHINERY
> MSHA accident `220182260021` · 08/02/2018 · Granite Construction 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:** Power shovel, Dragline
- **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:** 0.38 years
## Operator
- **Controller:** Granite Construction Inc
- **Operator:** Granite Construction Company
- **Mine:** [0202647](https://api.ai-analytics.org/mine/0202647)
## Narrative

Miner experienced lower back pain while excavating sample material holes.  Excavator occasionally hit hard material which caused a jarring sensation when front end of excavator would lift off the ground & land back down once bucket became free. Miner requested to visit WC Doctor on 8/10/18 due to lower back pain not subsiding. Physician placed miner on light duty. 

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