# MACHINERY
> MSHA accident `220262020032` · 07/18/2026 · Alleyton Resource Company LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck by powered moving object
- **Occupation:** Laborer, Blacksmith, Bull gang, Parts runner, Roustabout, Pick-up man, Pitman
- **Activity:** Machine maintenance
- **Injury source:** GROUND
- **Nature of injury:** CONCUSSION-BRAIN,CEREBRAL
- **Body part:** BRAIN
- **Days lost:** —
- **Mine experience:** 1.33 years
## Operator
- **Controller:** Summit Materials LLC
- **Operator:** Alleyton Resource Company LLC
- **Mine:** [4104631](https://api.morvs.ai/mine/4104631)
## Narrative

A piece of poly pipe was being moved when the pontoon/float attached to it rolled as the excavator operator was turning and contacted the rear of the employees left leg causing the employee to fall backwards and strike their head on the ground.

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