Incident date: 2019-07-02
NAICS industry code: 532490

An employee was unloading a portable boom lift by driving it from a trailer onto a portable loading ramp. The forward wheel base of the boom pushed the trailer forward and the boom dropped about 18 inches; the employee's right upper arm struck the upper guardrail and was broken.

Hazard classification:
code_event: title: Ran off driving surface, nonroadway
code_source: title: Aerial lifts, scissor lifts-except truck-mounted
code_nature: title: Fractures
code_body: title: Upper arm(s)
severity: moderate