# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220123490047` · 12/06/2012 · Smart Sand, Inc
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** STEPPING OR KNEELING ON OBJECT
- **Accident type:** Struck against stationary object
- **Occupation:** Outside foreman, Leadman
- **Activity:** Walking, Running
- **Injury source:** PLANTS,TREES,VEGETATION
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 0.58 years
## Operator
- **Controller:** Clearlake Capital Partners; Charles  Young
- **Operator:** Smart Sand, Inc
- **Mine:** [4703625](https://api.ai-analytics.org/mine/4703625)
## Narrative

When this accident occurred employee's specific activity was to mark an area for the installation of a fence in the northwest corner of the mine property.  This area is not close to active mining, and does not have any equipment or improvements.  This new fence is necessary to prevent trespassing on the Smart Sand property and incursion to a nearby rail line.

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