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Excavation Awareness
Glossary of Terms (1926.650)
Definitions (6:55)
Specific Excavation Requirements (1926.651)
Excavation Safety Requirements: Surface Encumbrances, Underground Installations, Access and Egress, Hazardous Atmospheres, and More (4:49)
Hazardous atmospheres
Hazardous Atmospheres and Air Monitoring (39:50)
Other confined space hazards
Confined Spaces (28:36)
Requirements for Protective Systems (1926.652)
Requirements (4:49)
Failures in protective systems
Overview Soil Mechanics (2:34)
Conditions that could result in cave-ins
Conditions that Could Result in Cave-ins (6:21)
Sloping and Benching
Sloping and Benching (1:28)
Overview Soil Mechanics
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