Specifications include, but are not limited to: Conversion of Aeration Tank No. 1 to a Fermenter Tank, including the following: a. Eight (8) submersible propeller mixers equipped with VFDs in the tank. b. Portable davit cranes for removal of mixers. 2. Construction of a RAS Pump Station Building, including the following: a. 24-in diameter influent line connected to the Return Sludge Conduit. b. Three Vertical Turbine Solids Handling Pumps, equipped with VFDs, each with a capacity of 2,780 gpm. c. 20-in diameter line with discharges to the Fermenter Tank. d. Monorail and trolley/hoist for removing the pumps. e. Pump and Electrical Rooms. 3. Installation of Fermented Sludge Pumps, including the following: a. Three Submersible Solids Handling Pumps, equipped with VFDs, each with a capacity of 2,780 gpm. b. 12-in diameter lines for each pump which discharge to the Mixing Channel. c. Portable davit cranes for removal of pumps.