West Area CSO Storage Tunnels and Pumping Station Project
Two 24' finished ID rock tunnels totalling 44.400' for storage and conveyance of waste-water to a WTP. From 100 to 260' deep. Four 40' dia, one 24' dia and one 13' dia. shaft, all about 150' deep. A submersible-type 85 million GPD pump station with 180' lift. Storm sewer system.