GCG provided the Orleans Housing Authority and the Department of Housing and Community and Development with survey, design, bidding, and construction administration services for the wastewater treatment facility project at the Tonset Woods and John Avellar Circle Developments. The wastewater treatment facility was designed to treat 18,500 gallons per day of wastewater.

The project consisted of the design of the following: Amphidrome Wastewater Treatment Facility, pump stations, underground tanks, chemical and control building, two new disposal fields, gravity sewer collection system, sewer services, force mains, and the removal or abandonment of the existing septic system components.