# Strains at RL Murphey Commericial Roof Systems, LLC
> OSHA SIR `2019076654` · 7/2/2019 · MANSFIELD, TEXAS
## Severity
- **1 hospitalization**
- **Body part:** Knee(s)
- **Nature of injury:** Strains
## Cause
- **Event:** Overexertion in holding, carrying, or wielding-single episode
- **Source:** Drills-powered
## Employer
- **Name:** RL Murphey Commericial Roof Systems, LLC
- **Location:** AMC Warehouse, MANSFIELD, TEXAS, 76063
- **NAICS:** 238160
- **Jurisdiction:** 1
## Narrative

An employee was on the roof on his knees drilling holes on the edge of a building with a hammer drill. He used force to push the hammer drill into the concrete edge of the building and strained his left knee.

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