sentences:  The primary contract was awarded to Savin Construction Corp. of East Hartford, Connecticut, and Merritt-Chapman & Scott of New York for $29.5 million, with oversight by the U.S. Army Corps of Engineers.On October 29, 1952, the first concrete was poured for the foundation.Flooding washed out the temporary cofferdam three times in 1953, delaying work and causing damage to Nimbus Dam which was also under construction at the time.