The work consisted of construction improvements to the Southeast Water Reclamation Plant that included the following: replacement of an existing headworks odor control system with a new biotrickling filter system; emptying and cleaning two existing 90-foot-diameter tanks; removal and replacement of existing floating covers; improvements to the existing digested sludge pump station, including new centrifuge feed pumps, new sludge recirculation/transfer pumps and associated piping; and improvements to the existing solids handling building, including replacement of gravity belt thickeners with rotary drum thickeners, replacement of existing belt filter presses with dewatering centrifuges, and replacement of dry polymer feed with new emulsion polymer feed.