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.

. This course provides construction workers, foremen, and safety personnel with practical knowledge to recognize and control trench and excavation hazards. Participants will review OSHA requirements, soil classification, protective systems…