# MACHINERY
> MSHA accident `220182890010` · 10/10/2018 · Vulcan Construction Materials, LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Fall onto or against objects
- **Occupation:** Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)
- **Activity:** Roof bolter, NEC
- **Injury source:** UNDERGRD MINING MACHINES
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** MULTIPLE PARTS (MORE THAN ONE MAJOR)
- **Days lost:** 669
- **Mine experience:** 6.04 years
## Operator
- **Controller:** Vulcan Materials Company
- **Operator:** Vulcan Construction Materials, LLC
- **Mine:** [1103111](https://api.ai-analytics.org/mine/1103111)
## Narrative

On 10/10/18 at approximately 1130 am the operator was operating the bolter in 16N22. Installing 8 foot roof bolts from the basket of the roof bolter. While inserting the 7th bolt, the lift cylinder bottom mounting pin boss had a structural failure causing the boom and basket assembly to fall approximately 18 feet, to the ground. The employee sustained multiple injuries.

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