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Focus Four

These four areas are the LEADING CAUSES of FATALATIES in construction.

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Focus Four Bundle

These four areas are the LEADING CAUSES of FATALATIES in construction. Bundle contains all four subject areas.

Fall Hazards

A fall hazard is anything at a construction site that could cause a worker to lose their balance or lose bodily support, resulting in a fall. Fall hazards on a jobsite are a severe, chronic, and recurring problem in the industry. Just about any walking or working surface can present a potential fall hazard.

Caught In

According to OSHA, caught-in or -between hazards are defined as injuries that result from a person being squeezed, caught, crushed, pinched, or compressed between two or more objects, or between parts of an object.

 Struck By

Struck-by hazards accounted for more than 17% of all construction fatalities in 2021. Struck-by injuries are produced by forcible contact or impact between the injured person and an object or piece of equipment — not to be confused with caught-in or -between hazards. The difference is that, for struck-by accidents, the impact alone causes the injury, versus a caught accident where injury resulted from crushing injuries between objects.


According to OSHA, electrocution results when a person is exposed to a lethal amount of electrical energy, accounting for more than 7.5% of all construction fatalities in 2021. The top three types of electrocution hazards in construction are 1) contact with overhead power lines, 2) contact with energized sources, and 3) improper use of extension and flexible cords.