# SLIP OR FALL OF PERSON
> MSHA accident `220163080025` · 11/01/2016 · Mission Valley Rock, LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Fall onto or against objects
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** METAL COVERS & GUARDS
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 164
- **Mine experience:** 0.08 years
## Operator
- **Controller:** Heidelberg Materials AG
- **Operator:** Mission Valley Rock, LLC
- **Mine:** [0401859](https://api.ai-analytics.org/mine/0401859)
## Narrative

Pulling mining belt onto conveyor with excavator; almost completed belt pulling. The excavator veered right, resulting in taking belt out of alignment causing belt to come off the top structure and subsequently forcing workers into hand railing on catwalk adjacent to structure. 

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