# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220073110049` · 10/10/2007 · Frontier Aggregates LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** STEPPING OR KNEELING ON OBJECT
- **Accident type:** Struck against stationary object
- **Occupation:** Bulldozer operator, Universal operator, Heavy equipment operator, Operating engineer
- **Activity:** Handling supplies or material
- **Injury source:** CONTAINERS,NEC
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** ANKLE
- **Days lost:** 0
- **Mine experience:** 0.31 years
## Operator
- **Controller:** Harper Industries
- **Operator:** Frontier Aggregates LLC
- **Mine:** [4104634](https://api.ai-analytics.org/mine/4104634)
## Narrative

Other employees were working on area around QC lab. They had removed the stairs to the lab for repairs. Someone place a bucket in front of the door to use as a step. Injured went into the room and came out with a box of grease. As he stepped on the bucket, the bucket rolled over and he twisted his ankle.

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