Pre-Solicitation Notice: Progressive Design Build Services for South Cobb Water Reclamation Facility Expansion

Cobb County is seeking a Design-Builder for the expansion of the South Cobb Water Reclamation Facility located in Austell, Georgia. The project utilizes a Progressive Design-Build delivery method to increase the facility's permitted capacity from 40 million gallons per day to 50 million gallons per day Maximum Month Flow. The scope of work encompasses professional design, construction, and commissioning services, with an initial phase focused on value engineering and final process design to establish a Guaranteed Maximum Price. The estimated budget for the project is between 300 million and 400 million dollars, and selected proposers must be capable of obtaining 100 percent Performance and Payment bonds for this amount. The procurement process follows a single-step, best-value selection based on technical qualifications and cost proposals. Evaluation factors for the project include treatment performance, regulatory compliance with NPDES Permit GA0026158, hydraulic compatibility, constructability, and lifecycle costs. The RFP is scheduled for release on January 8, 2027, with a response submission deadline of February 25, 2027, via the County's eProcurement Portal. Final acceptance will be contingent upon successful performance verification, system acceptance testing, operator training, and the achievement of substantial completion.