What are Cofferdams and How they Contribute to Our Focus on Construction Safety
First, What is a Cofferdam? According to Dictionary.com: cof·fer·dam /ˈkôfərˌdam,ˈkäfərˌdam/ noun – a watertight enclosure pumped dry to permit construction work below the waterline, as when building bridges or repairing a ship. “The history of the cofferdams goes back to at least the ancient Roman engineers, who built a number of these enclosures to found…