# SLIP OR FALL OF PERSON
> MSHA accident `220181720023` · 02/21/2018 · Heidelberg Materials Northeast LLC
## 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:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** GROUND
- **Nature of injury:** CONTUSN,BRUISE,INTAC SKIN
- **Body part:** KNEE/PATELLA
- **Days lost:** 1
- **Mine experience:** 0.87 years
## Operator
- **Controller:** Heidelberg Materials AG
- **Operator:** Heidelberg Materials Northeast LLC
- **Mine:** [3600029](https://api.ai-analytics.org/mine/3600029)
## Narrative

While adjusting crusher setting employee tripped over cable strung between crusher assembly and loader.  Employee fell onto walkway causing contusion on left knee.

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