Durham Advanced WWTF WASSTRIP Impr.
Convert an existing concrete tank to a Waste Activated Sludge (WAS) Equalization
Tank with associated piping and valves.
Install new WAS Pre-Thickening Feed Pumps and associated piping and valves in the existing Aeration Tunnel.
Install new WAS piping and valves from the WAS Pre-Thickening Feed Pumps in the Aeration Tunnel, through the tunnel system, Solids Building Basement to the Rotary
Drum Thickeners in Digester Complex 1 (DC1).
Install two Rotary Drum Thickeners and their appurtenances including wash water
booster pumps, controls, sludge hoppers, access platforms and polymer mixers in
Install new P-Release Transfer Pumps in the ground level of DC1.
Install a pumped jet mixing system including piping, nozzles, and a mix pump
associated with the P-release Tank (a former anaerobic digester) in lower level of
Install an odor control system for the P-release Tank consisting of ducting and an at
grade carbon cannister odor control system.