# SLIP OR FALL OF PERSON
> MSHA accident `220141640026` · 05/20/2014 · CalMat Co
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** GROUND
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 7.62 years
## Operator
- **Controller:** Vulcan Materials Company
- **Operator:** CalMat Co
- **Mine:** [0401800](https://api.ai-analytics.org/mine/0401800)
## Narrative

On 5/30/14 the employee requested medical treatment, was taken to the company clinic and was placed on restricted duty which is being accommodated. During a repair, the employee stepped off a structure and twisted his left knee. Employee was diagnosed with a left knee strain.

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