# Concussions at Blacklick Constructors, LLC
> OSHA SIR `20161211432` · 12/7/2016 · NEW ALBANY, OHIO
## Severity
- **1 hospitalization**
- **Body part:** Brain
- **Nature of injury:** Concussions
## Cause
- **Event:** Fall through surface or existing opening 11 to 15 feet
- **Source:** Sewers, manholes, storm drains
- **Secondary source:** Drilling machines, drilling augers
## Employer
- **Name:** Blacklick Constructors, LLC
- **Location:** Site #2 Reynoldsburg-New Albany Road, NEW ALBANY, OHIO, 43054
- **NAICS:** 236220
- **Jurisdiction:** 1
## Narrative

An employee in a drilling rig had drilled a shaft for a new sewer tunnel. The employee was changing the bit on the drilling rig when the seat broke on the operator's station, causing the employee to fall off and into the drilled hole (14 feet). The employee suffered a head laceration and concussion.

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*Source: [OSHA Severe Injury Reports](https://www.osha.gov/severe-injury-reports) · AI Analytics · CC0 1.0*