OSHA's Focus Four: Struck-By Hazards

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  • Level: Beginner
  • Length: 30 Min
  • Quiz: Graded
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Course Description
Struck-by hazards are one of the leading causes of serious injuries and fatalities in construction. Workers on construction sites are regularly exposed to moving vehicles, heavy equipment, suspended loads, and tools that can create dangerous struck-by incidents if proper safety procedures are not followed.

This training course explains OSHA’s Focus Four struck-by hazards, how these incidents occur, and what workers and employers can do to reduce the risks. Participants will learn how to identify common struck-by hazards on construction sites, understand the different types of struck-by events, and follow safe work practices to prevent injuries.

This course provides general hazard awareness training and supports OSHA safety training requirements related to struck-by hazards in construction.
Course overview
This training is designed for workers who may be exposed to struck-by hazards on construction sites, including:

  • Construction workers
  • Laborers and tradespeople
  • Equipment operators
  • Site supervisors and foremen
  • Contractors and subcontractors


It is also helpful for anyone who needs general awareness training on construction safety hazards.
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Certificate included
Upon completion of this training, you will receive a certificate of completion for this training.

Course Objectives

By the end of this course, learners will be able to:

  • Identify OSHA’s Focus Four hazards
  • Define what a struck-by hazard is
  • Recognize the four types of struck-by incidents
  • Understand employer responsibilities for maintaining a safe jobsite
  • Follow safe work practices to reduce struck-by risks
  • Respond appropriately if a struck-by incident occurs on site

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