Incident date: 2024-08-21
NAICS industry code: 237310

During bridge column construction, an employee was working inside a 4-foot by 6-foot column at a depth of approximately 25 feet. The employee was standing on a rebar cage to vibrate concrete as it was being poured into the column via a crane, hopper, and tremie. The concrete tremie failed, causing concrete to fall from the concrete hopper onto the employee's leg, resulting in leg fractures.

Hazard classification:
code_event: title: Struck by other falling object  n.e.c.
code_source: title: Concrete  wet mix, or dry mix
code_nature: title: Fractures
code_body: title: Leg(s)  unspecified
severity: moderate