Upgrades included improvements to the headworks, primary clarifiers, existing bioreactors, final clarifiers, return sludge pumping station, chlorine contact tanks, and anaerobic digesters, which included a methane gas membrane “balloon” cover on the secondary digester.
Construction of new facilities included a new control building, boiler building, final clarifier, and bioreactor tanks.
The multi-phased, $15.5-million project endured 4′ of water throughout the site during Tropical Storm Lee. Due to the diligent efforts of Quandel, Performance Construction, and the Danville Authority personnel, this project was still finished on time and within budget.
