# SLIP OR FALL OF PERSON
> MSHA accident `220233310012` · 11/15/2023 · Milestone Materials Div/Mathy Construction Co
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **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:** Walking, Running
- **Injury source:** SCAFFOLDS,STAGING,ETC
- **Nature of injury:** CONTUSN,BRUISE,INTAC SKIN
- **Body part:** KNEE/PATELLA
- **Days lost:** 5
- **Mine experience:** 1.5 years
## Operator
- **Controller:** Mathy Construction Company
- **Operator:** Milestone Materials Div/Mathy Construction Co
- **Mine:** [4702928](https://api.ai-analytics.org/mine/4702928)
## Narrative

Operator was stepping down from catwalk to another, stepped wrong and twisted knee and fell onto catwalk.

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