Specifications include, but are not limited to: The rehabilitation of two existing concrete sludge holding tanks; the addition of a mechanical hydraulic mixing system to include submersible chopper pump with nozzle mixing units and required electrical components to accommodate SCADA and electrical requirements for the system. Demolition of existing items in Tank No. 2, including the metal roof, catwalk and railings; the mechanical mix system and electrical facilities is included as an alternate bid item. If the alternate item is not selected, the demolition will be accomplished through a separate contract between the Owner and a demolition contractor. The work includes furnishing all labor, materials, equipment, disposal and services to perform the work listed in the Technical Specifications and Drawings.