# Dislocation of joints at Forterra Building Products
> OSHA SIR `20181010541` · 10/12/2018 · HOUSTON, TEXAS
## Severity
- **1 hospitalization**
- **Body part:** Knee(s)
- **Nature of injury:** Dislocation of joints
## Cause
- **Event:** Struck by falling object or equipment, unspecified
- **Source:** Machine and appliance parts, n.e.c.
- **Secondary source:** Dies, molds, patterns
## Employer
- **Name:** Forterra Building Products
- **Location:** 11201 FM 529, HOUSTON, TEXAS, 77041
- **NAICS:** 327390
- **Jurisdiction:** 1
## Narrative

A concrete structure became stuck inside a concrete form, and a maintenance employee was called in to remove the tilt doors to enable the concrete structure to be removed from the form. The employee was removing a pin from the form tilt door when the door fell and landed on his leg, dislocating his right knee.

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