# SLIP OR FALL OF PERSON
> MSHA accident `220182850039` · 08/14/2018 · Piranha Proppant
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Fall to the walkway or working surface
- **Occupation:** Bulldozer operator, Universal operator, Heavy equipment operator, Operating engineer
- **Activity:** Handling supplies or material
- **Injury source:** SCAFFOLDS,STAGING,ETC
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 0.15 years
## Operator
- **Controller:** Mammoth Energy Services
- **Operator:** Piranha Proppant
- **Mine:** [4703665](https://api.ai-analytics.org/mine/4703665)
## Narrative

Employee tripped on platform ramp edge, striking knee on platform grating. 

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