Courtesy of St. Mary's County, Md. Architectural rendering of the future Patuxent Naval Air Station Museum. Federal investigators are reportedly trying to locate the source of fraudulent surety bonds provided to a small Maryland prime contactor for its work on a museum and visitor’s center at the Patuxent Naval Air Base in St. Mary’s County, Md. The county has taken steps to terminate the contractor, an action its attorneys say they are trying to prevent because their client has been the victim of a fraud and has lost $175,000 in premium paid for the bonds.The performance bond covered the contractor’s
Arch dams, classically curved monoliths situated in narrow valleys, are not as common as other types of dams, such as embankment dams and gravity dams. ENR takes a look at some of the biggest arch dams in the world, both completed and under construction.