OSHA 10 Hour – Excavation Lesson Plan

Cave-ins are perhaps the most feared trenching hazard. But, other potentially fatal hazards exist, including asphyxiation due to lack of oxygen in a confined space, inhalation of toxic fumes, drowning, etc. Electrocution or explosions can occur when workers contact underground utilities. OSHA requires that workers in trenches

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2019-01-06T02:01:17+00:00