# Amputations at Oldcastle BuildingEnvelope
> OSHA SIR `2020043879` · 4/28/2020 · DENVER, COLORADO
## Severity
- **1 amputation, 1 hospitalization**
- **Body part:** Finger(s), fingernail(s), n.e.c.
- **Nature of injury:** Amputations
## Cause
- **Event:** Caught in running equipment or machinery, unspecified
- **Source:** Metal, woodworking, and special material machinery, n.e.c.
## Employer
- **Name:** Oldcastle BuildingEnvelope
- **Location:** 11205 E. 37th Ave, DENVER, COLORADO, 80239
- **NAICS:** 327215
- **Jurisdiction:** 1
## Narrative

An air-powered muntin bar knocker (used to cut, shape, and notch glass) amputated an employee's finger.

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