NYCDEP New Croton Dam

Originally built in 1906, The goals of the Reconstruction of New Croton Dam was to ensure the safety and stability of New Croton Dam and to improve drainage, roadway crest, and other features of the dam site. The reconstruction increased the spillway capacity of the New Croton Dam to safely pass 100% of the Probable Maximum Flood- PMF and upgrade components of the dam in accordance with New York State Dam Safety standards. For each alternative, TCT prepared a Class V Opinion of Probable Construction Cost (OPCC), along with four basis-of-estimate reports organized by alternative grouping.