Banner provided the planning/design/construction phase services for the original Aberdeen wastewater treatment facility (WWTF). Changing permit conditions and aging equipment required phased upgrades. Major project components for the Phase I Improvements included replacement of six screw pumps, pretreatment equipment, BioFilter equipment, two final clarifier mechanisms, and UV disinfection equipment. Four new aeration basins and a new blower building (with new blowers) were constructed as well. Major improvements for the Phase IIA project included a new chemical feed building, along with a monitoring and control system for eqiupment and processes. Major improvements for the Phase IIB project included the addtion of Dissolved Air Flotation (DAF) process, replacement of two primary clarifier mechanisms, and replacement of boiler/heat exchanger equipment, pipes and valves, and sludge pumps in the digester process. In addition, improvements were made to provide asphalt paving of the City's equalization basins.