# SLIP OR FALL OF PERSON
> MSHA accident `220041800037` · 06/01/2004 · Heidelberg Materials US Cement LLC
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Pumper
- **Activity:** Hand tools (not powered)
- **Injury source:** SCAFFOLDS,STAGING,ETC
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 33
- **Mine experience:** — years
## Operator
- **Controller:** Heidelberg Materials AG
- **Operator:** Heidelberg Materials US Cement LLC
- **Mine:** [3600185](https://api.ai-analytics.org/mine/3600185)
## Narrative

EE was sledge hammering on chute from silo 11 to the feed belt when his right foot slipped on loose clinker on the catwalk and he twisted his right knee.

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