Blue Plains AWWTP ENR First Contract Slurry Wall and Tankage

This $71 million project included the construction of a 900-mgd low-head pump station, 40-million-gallon denitrification reactors with mixers, post-aeration chambers and seven facility buildings. Work included the construction of a sea wall to raise site grades above the 500-year flood elevation; installation of a slurry wall around the perimeter of the denitrification tank with excavations over 60 feet deep; and excavation, removal, hauling and offsite disposal of over 200,000 cubic yards of material. Over 70,000 cubic yards of concrete was placed during construction.