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Cave-ins are considered the most dangerous trench and excavation hazard. In addition, other potentially fatal hazards also exist in excavations, such as asphyxiation due to lack of oxygen in a confined space, inhalation of toxic fumes, drowning, falls, water accumulation, etc. The OSHA standards intend to protect workers in trenches and excavations. This course gives you a basic understanding of how to work safely in excavations and what important points are required to consider when working in an excavation.


  • Identify factors that pose a hazard to employees working in excavations
  • Learn how to protect employees from cave-ins
  • Understand the role of a competent person at an excavation site
  • Explore other various related issues associated with excavations


Upon completion of this course, students will have an in-depth knowledge of:

  • OSHA Standards
  • The Dangers of Excavations
  • Protection of Employees
  • Hazardous Conditions
  • Access and Egress
  • Falls and Equipment
  • Planning
  • Competent Person


Quizzes - All quizzes must be passed with a 100% to proceed forward to the next lesson.
Final Exam- Final Exam must be passed with a 70% to pass the course. The final exam can be taken three times if necessary.

course quick facts
course code TRN7055
cost $20.00
estimated time to
complete course
1 Hours
course materials
360 Days