Contract No. 1A includes improvements to the existing influent structure, rotating biological contactor, final clarifier, collection system pump station, and sanitary sewer system. This contract also includes the construction of a new sludge pumping station, effluent liquid chlorine disinfection and dechlorination system, and an electrical and chemical storage building.

Contract No. 1B includes removing the power from the equipment to be demolished, connecting all new equipment including aeration blowers, chemical dosing pumps, sludge pump, collection system pump station pumps, and emergency generators. This contract also includes moving the existing power and control panels in the existing service building to the new electrical and chemical storage building.

Contract No. 1C includes incorporating the heating and ventilation system into the new electrical and chemical storage building.