Confined spaces—such as manholes, crawl spaces, and tanks, are not designed for continuous occupancy and are difficult to exit in an emergency. Workers in confined spaces face life-threatening hazards, including toxic substances, electrocutions, explosions, and asphyxiation.

Summary In the Trench and Excavation Safety Class, you'll learn the essential protocols and techniques to ensure a secure work environment on construction sites. The course begins by exploring the fundamental reasons behind trenching accidents and the importance of safety measures. You’ll gain knowledge about identifying various soil types and understanding how they impact the…