# SLIP OR FALL OF PERSON
> MSHA accident `220020370002` · 04/19/2001 · Calaveras Materials Inc
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Move non-self-propelled equip
- **Injury source:** GROUND
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** —
- **Mine experience:** 0.21 years
## Operator
- **Controller:** Heidelberg Materials AG
- **Operator:** Calaveras Materials Inc
- **Mine:** [0401966](https://api.ai-analytics.org/mine/0401966)
## Narrative

WORKER WAS PULLING ON A COME-ALONG TO LOOSEN A CONE CRUSHER, SLIPPED & STRAINED HIS LOWER BACK.

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