Biosolids and Energy Improvements to Papillion Creek Wastewater Resource Recovery Facility

open for bidding

The City of Omaha is seeking bidders to carry out biosolids and energy improvements to the Papillion Creek Wastewater Resource Recovery Facility in Bellevue. The project entails construction of two 1.5-million-gallon conical bottom thermophilic digesters, a new digester control unit containing pre-heating heat exchangers, heat recovery heat exchangers, cooling heat exchangers, hot water pumps, and cooling water pumps, as well as construction of a new tunnel section that will connect the basement level of the digester control unit and the existing tunnel system. The project also will include construction of two 250,000-gallon solids blend tanks that will feed the thermophilic digesters, and removal of the existing digester complex 901 flare and construction of a new flare. Also included is construction of a new cogeneration building that will house four 2,500-kw, dual-fuel engines with heat recovery. The three existing CoGen engines that are located in digester complex 900 will be demolished. The project is valued at $119 million.