01 Mar Trenching and Shoring
Trenching and Shoring Construction trenching for buried utilities, pipelines, water transport, and other activities may be hazardous. Trenches are usually deeper than they are wide and the walls may become unstable and collapse on top of workers. Trench cave-ins occur when dirt, sand, and rocks collapse into the trench. These materials can engulf, injure, or kill workers in the trench. Soil can be very dense and heavy. When it engulfs workers, it can break bones, immobilize and restrict breathing, or suffocate them outright. First, get training in trenching and shoring procedures. If workers will be entering a trench 5 feet or deeper, you...