The City of Seattle, through Seattle Public Utilities, is seeking qualified consultant teams to provide comprehensive program management, construction management, and Owner’s Advisor services for its Combined Sewer Overflow (CSO) Program. This multi-phase, long-term initiative supports regulatory compliance under a federal consent decree aimed at reducing sewer overflows into local water bodies. The selected consultant will assist in program setup, options analysis, engineering reporting, stakeholder engagement, permitting coordination, and oversight of capital improvement projects. Responsibilities include developing program management systems, supporting grant and loan applications, coordinating with King County and other agencies, and ensuring regulatory compliance. The contract spans multiple phases from planning through construction and closeout, potentially extending to 2039. The consultant will play a critical role in delivering infrastructure improvements that enhance environmental performance, system resilience, and community outcomes while aligning with federal and state requirements.