Incident date: 2019-04-24
NAICS industry code: 448140

A maintenance employee was working on the roof. He was walking down the fixed stairs from the cooling tower when he missed a step and both his knees gave out. He caught himself on the rail and did not fall. He suffered from torn tendons behind both kneecaps, requiring hospitalization and surgery.

Hazard classification:
code_event: title: Trip without fall, n.e.c.
code_source: title: Bodily motion or position of injured, ill worker
code_nature: title: Major tears to muscles, tendons, ligaments
code_body: title: Knee(s)
severity: moderate