# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220082310046` · 08/02/2008 · Ameron Hawaii
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** STEPPING OR KNEELING ON OBJECT
- **Accident type:** Struck against stationary object
- **Occupation:** Pumper
- **Activity:** Machine maintenance
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 180
- **Mine experience:** 5.08 years
## Operator
- **Controller:** Ameron International Corp
- **Operator:** Ameron Hawaii
- **Mine:** [5100019](https://api.ai-analytics.org/mine/5100019)
## Narrative

While checking conveyor 3 bearings in the primary plant, EE stepped onto a pile of rock material, sunk into the material and strained his lower back.  EE thought that the material was hard before he stepped onto the pile.

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