# HANDLING OF MATERIALS
> MSHA accident `220152740045` · 09/21/2015 · Martin Marietta Materials, Inc.
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Caught in, under or between NEC
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** SCAFFOLDS,STAGING,ETC
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 10 years
## Operator
- **Controller:** Martin Marietta Materials Inc
- **Operator:** Martin Marietta Materials, Inc.
- **Mine:** [0301614](https://api.ai-analytics.org/mine/0301614)
## Narrative

Employee was working on an Atlas Copco drill at Martin Marietta Quarry in Hatton, Ar.  The catwalk he was standing on has the gator type tread on it. Employee was attempting to remove the hood off engine compartment and when he went to twist his foot, it did not move because boot caught the tread and caused his left Knee to pop and swell.

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