# Bruises, contusions at MA Mortenson Company dba Mortenson Construction
> OSHA SIR `2025055109` · 5/30/2025 · CHESTNUT, ILLINOIS
## Severity
- **1 hospitalization**
- **Body part:** Scalp
- **Nature of injury:** Bruises, contusions
## Cause
- **Event:** Struck against stationary object while rising, lowering
- **Source:** Fasteners  n.e.c.
- **Secondary source:** Secondary source not applicable
## Employer
- **Name:** MA Mortenson Company dba Mortenson Construction
- **Location:** 2262 900th St., CHESTNUT, ILLINOIS, 62518
- **NAICS:** 236220
- **Jurisdiction:** 1
## Narrative

An employee was replacing a panel inside a nacelle (wind turbine component) that was at ground level. When he stood up from a crouching position, he struck his head on a metal bracket. The employee was hospitalized with a hematoma on the left side of his head.

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