Disclaimer: Trenching and Excavation Safety: OSHA Guidelines from the National Association of Homebuilders (2:20)
Site Planning and Evaluation (1:16)
Trenching and Excavation Hazards (3:54)
Competent Person: Training to Identify Hazards (2:07)
Soil Classification and Mechanics (5:34)
Protective Systems (7:21)
House Foundations & Basement Excavations (3:25)
Entry and Egress into Trenches and Excavations (0:31)
Hazardous Atmospheres (1:56)
Credits: Trenching and Excavation Safety: OSHA Guidelines from the National Association of Homebuilders (0:26)