# SLIP OR FALL OF PERSON
> MSHA accident `220222780013` · 09/26/2022 · Builders Choice Aggregates
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Fall onto or against objects
- **Occupation:** Laborer, Blacksmith, Bull gang, Parts runner, Roustabout, Pick-up man, Pitman
- **Activity:** Machine maintenance
- **Injury source:** METAL COVERS & GUARDS
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** SHOULDERS (COLLARBONE/CLAVICLE/SCAPULA)
- **Days lost:** 0
- **Mine experience:** 4.08 years
## Operator
- **Controller:** Summit Materials LLC; N R Hamm
- **Operator:** Builders Choice Aggregates
- **Mine:** [1401702](https://api.ai-analytics.org/mine/1401702)
## Narrative

Employee was pulling chain onto dredge pontoon for repair. Chain got caught on a bolt head of pontoon access panel. When chain popped free, the resulting slack caused employee to slip backwards into the hand railing of the steps built over the lift winch. 

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