# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220081960022` · 07/10/2008 · Martin Marietta North Texas Cement, LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **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:** Walking, Running
- **Injury source:** KILN PROD,INC BLDUP,REMOV
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** ANKLE
- **Days lost:** 0
- **Mine experience:** 1.15 years
## Operator
- **Controller:** Texas Industries Inc
- **Operator:** Martin Marietta North Texas Cement, LLC
- **Mine:** [4100071](https://api.ai-analytics.org/mine/4100071)
## Narrative

Employee was walking down stairs in the Clinker Barn. When he reached the floor he stepped on a piece of Clinker and sprained his ankle.

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