Incident date: 2017-12-15
NAICS industry code: 236210

Employees were installing trusses in a commercial construction setting. An employee was using standard pine studs as a catwalk to gain access between the newly installed trusses. One of the studs had a large defect (knot). When the employee placed his weight on the defective board, it broke. He fell approximately 22" to the concrete surface below, suffering blunt force trauma, head trauma, and severe bodily injuries. He was hospitalized. Fall protection was not worn at the time of the incident.

Hazard classification:
code_event: title: Fall from collapsing structure or equipment 21 to 25 feet
code_source: title: Scaffolds-improvised staging
code_nature: title: Soreness, pain, hurt-nonspecified injury
code_body: title: Multiple body parts, unspecified
severity: moderate