Incident date: 2017-10-19
NAICS industry code: 238390

An employee was standing on the second or third rung of a ladder and using a drill overhead to make a hole for a vent when he hit the back of his head on concrete, suffering a concussion.

Hazard classification:
code_event: title: Nonclassifiable
code_source: title: Nonclassifiable
code_nature: title: Concussions
code_body: title: Brain
severity: moderate