# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220151000041` · 03/25/2015 · Trapper Mining Inc
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** STEPPING OR KNEELING ON OBJECT
- **Accident type:** Struck against stationary object
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Crawling, Kneeling
- **Injury source:** METAL,NEC(PIPE,WIRE,NAIL)
- **Nature of injury:** CONTUSN,BRUISE,INTAC SKIN
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 2.4 years
## Operator
- **Controller:** Salt River Project; MidAmerican Energy Holdings Company; Tri-State Gener
- **Operator:** Trapper Mining Inc
- **Mine:** [0502838](https://api.ai-analytics.org/mine/0502838)
## Narrative

Maintenance employee reported he knelt down on a bolt while working on an overburden drill. His knee later swelled up and started to hurt. Medical treatment provided at follow-up appointment 4/8/15.

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