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PMI Construction Professional · PMI
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- The 'Fatal Four' or 'Focus Four' hazards identified by OSHA are falls (from heights), struck-by (falling objects, equipment), electrocution (contact with energized sources), and caught-in/between (trench collapses, machinery). These four hazard categories account for approximately 60% of all construction worker fatalities annually. Understanding and mitigating these specific hazards is a fundamental responsibility of construction project managers.