# SLIP OR FALL OF PERSON
> MSHA accident `220040920010` · 03/10/2004 · CalMat Co
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Laborer, Blacksmith, Bull gang, Parts runner, Roustabout, Pick-up man, Pitman
- **Activity:** Machine maintenance
- **Injury source:** CONVEYORS,NEC
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 3.65 years
## Operator
- **Controller:** Legacy Vulcan Corp (Form:Vulcan Materials Co)
- **Operator:** CalMat Co
- **Mine:** [0202166](https://api.ai-analytics.org/mine/0202166)
## Narrative

Employee went to see company doctor on 3/12/04 and was placed on restricted duty.  Employee stepped onto conveyor for a mechanical repair causing internal derangement to left knee.

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