# Intracranial injuries and injuries to internal organs at Montana Steel Industries
> OSHA SIR `2023043315` · 4/13/2023 · BIG SKY, MONTANA
## Severity
- **1 hospitalization**
- **Body part:** Head and trunk
- **Nature of injury:** Intracranial injuries and injuries to internal organs
## Cause
- **Event:** Struck by object falling from vehicle or machinery-other than vehicle part
- **Source:** Stairs, steps, unspecified
- **Secondary source:** Overhead hoists-electric powered
## Employer
- **Name:** Montana Steel Industries
- **Location:** 30 Cicbly Drive, Lot 14, BIG SKY, MONTANA, 59716
- **NAICS:** 332312
- **Jurisdiction:** 1
## Narrative

An employee was moving a 1,100-pound staircase that was rigged with an electric hoist with a cable and hook with a safety clasp. The safety clasp failed, causing the staircase to fall and strike the employee in the head and torso. The employee was knocked to the ground and sustained head injuries, fractured ribs, and internal injuries.

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