# Soreness, pain, hurt-nonspecified injury at A-1 Block Corporation
> OSHA SIR `2023021603` · 2/20/2023 · SANFORD, FLORIDA
## Severity
- **1 hospitalization**
- **Body part:** Knee(s)
- **Nature of injury:** Soreness, pain, hurt-nonspecified injury
## Cause
- **Event:** Other fall to lower level 6 to 10 feet
- **Source:** Nonclassifiable
- **Secondary source:** Floors, walkways, ground surfaces, unspecified
## Employer
- **Name:** A-1 Block Corporation
- **Location:** 350 S Persimmon Ave, SANFORD, FLORIDA, 32771
- **NAICS:** 327331
- **Jurisdiction:** 1
## Narrative

An employee was preparing to wash out a concrete mixer truck. When the water was turned on, the employee lost balance and fell into the corner of the top rail. The bolt securing the rail failed and the employee fell approximately 7.5 feet, injuring his left knee.

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