# Intracranial injuries and injuries to internal organs at Southwest Mechanical Management, Inc.
> OSHA SIR `2017021655` · 2/20/2017 · ARVADA, COLORADO
## Severity
- **1 hospitalization**
- **Body part:** Head and trunk
- **Nature of injury:** Intracranial injuries and injuries to internal organs
## Cause
- **Event:** Fall through surface or existing opening 16 to 20 feet
- **Source:** Existing roof openings, other than skylights
## Employer
- **Name:** Southwest Mechanical Management, Inc.
- **Location:** 7771 Oak St., ARVADA, COLORADO, 80005
- **NAICS:** 238220
- **Jurisdiction:** 1
## Narrative

An employee was on the second level of the roof with his harness on and was preparing anchors to start work. The employee fell 15-20 feet through a hole and suffered broken ribs, a torn right lung, a ruptured spleen, a broken pelvis and bleeding on the brain.

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