# SLIP OR FALL OF PERSON
> MSHA accident `220152680051` · 05/22/2015 · Martin Marietta Materials, Inc.
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Warehouseman, Bagger, Palletizer/Stacker, Store keeper, Packager, Fabricator, Cleaning plant operator
- **Activity:** Handling supplies or material
- **Injury source:** GROUND
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 17
- **Mine experience:** 8.04 years
## Operator
- **Controller:** Martin Marietta Materials Inc
- **Operator:** Martin Marietta Materials, Inc.
- **Mine:** [0801083](https://api.ai-analytics.org/mine/0801083)
## Narrative

Employee was carrying a 3-ton jack from the maintenance truck to a conveyor.  Employee states that he stepped in a hole and twisted his right knee.  On 8/28/2015 he was seen by an orthopedic doctor who recommended surgery.  Surgery occurred on 9/24/2015.  

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