# Fractures at J & J Freimen Construction, LLC
> OSHA SIR `2022098020` · 9/9/2022 · DENVER, COLORADO
## Severity
- **1 hospitalization**
- **Body part:** Knee(s)
- **Nature of injury:** Fractures
## Cause
- **Event:** Fall through surface or existing opening 21 to 25 feet
- **Source:** Existing floor opening
- **Secondary source:** Floor, n.e.c.
## Employer
- **Name:** J & J Freimen Construction, LLC
- **Location:** 18591 W 61ST Ave, DENVER, COLORADO, 80249
- **NAICS:** 236116
- **Jurisdiction:** 1
## Narrative

An employee was working from the top of a third-story subfloor. While trying to retrieve an airline hose for a pneumatic nail gun, the employee fell through the guardrail system to the ground level two stories below. The employee suffered a broken left knee and an injury to the right leg.

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