Civil Engineering Design for Water/Wastewater CIP Projects

San Diego County is seeking qualified firms to provide civil engineering design services for water and wastewater capital improvement projects, with a focus on developing detailed plans, specifications, and estimates. The scope includes comprehensive hydraulic and structural modeling, constructability reviews to ensure practical and efficient construction execution, and ongoing construction support to address field challenges and maintain project integrity. The work is essential to advancing municipal infrastructure needs and must meet high technical and regulatory standards tailored to local conditions in San Diego. All proposed subcontractors must demonstrate proven experience in water and wastewater systems, model validation, and collaboration with public agency teams throughout the design and construction lifecycle. The opportunity is posted as a subcontract under NAICS code 541330, with a response deadline of August 31, 2026, and the contract posting date is July 30, 2026. Performance of the work is expected to be centered in San Diego, and interested parties must submit proposals through the official county procurement portal. While no set-aside provisions are specified, bidders are expected to comply with all applicable state and local contracting regulations. The county seeks partners capable of delivering technically sound, cost-effective, and timely solutions to support long-term infrastructure resilience and public water service reliability.