When protective systems are not used in excavations, bad things happen. Contractor employees are killed or injured every year when trenches collapse on them. How to avoid such tragedy seems simple enough: Shore up walls or otherwise shield workers whenever a trench is opened
When a project calls for a crew to head down into a trench, it’s vital to have the right equipment to safely do the job. More than 400 workers have been killed in trench- and excavation-related accidents annually in the United States, and several thousand more have been seriously injured.