2025-06-27 PL-INT-2025-010858 Brown and Caldwell - Category PL.5

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County of Hawaii,Planning Dept. Section E PL.4)Community Planning(Community/Regional Plans,General Plan,Climate Adaptation) Fiscal Year 2025-2026 c. (1)TITLE AND LOCATION(City and State) (2)YEAR COMPLETED Shape Our Water,Seattle,Washington PROFESSIONAL SERVICES CONSTRUCTION(ifapplicable) Ongoing N/A (3)BRIEF DESCRIPTION(Brief scope,size,cost,etc.)AND SPECIFIC ROLE❑x Check if project performed with current firm Advisor,Subject Matter Expert,Task Lead. BC is leading a multidisciplinary team to bring resiliency,community values, and equity to the center of the Shape Our Water planning process in ways that amplify community benefits. Shape Our Water is a multi-year initiative to plan near-and long-term investment in partnerships, programs,and projects that will improve the performance and resilience of Seattle's drainage and wastewater systems while optimizing social and environmental benefits for the city. In concert with a community-centered stakeholder engagement process that sets goals and establishes a conceptual framework for future integrated drainage and wastewater planning,Shape Our Water implements this vision by directing investments in infrastructure, improving utility services,and maximizing customer value while balancing long-term sustainability with affordability. Drivers shaping the planning effort include water quality,flooding, climate change, aging infrastructure, aquatic health, and urban growth. Total Contract Amount: $2.8M Client:Seattle Public Utilities d. (1)TITLE AND LOCATION(City and State) (2)YEAR COMPLETED Sea Level Rise Risk Assessment, Pure Water San Diego Program, PROFESSIONAL SERVICES CONSTRUCTION(ifapplicable) San Diego,California Ongoing N/A (3)BRIEF DESCRIPTION(Brief scope,size,cost,etc.)AND SPECIFIC ROLE❑x Check if project performed with current firm Technical Advisor and QC Reviewer. Nathan provided guidance and technical review for a detailed sea level rise exposure assessment of two proposed sites for new water treatment facilities.The exposure assessment used output data from the USGS's Coastal Storm Modeling System (CoSMoS)to identify zones of inundation,as well as potential areas of groundwater emergence. Nathan and his team used the latest sea level rise projections(2022 Technical Report)to examine and interpret potential exposure timelines that will be used to inform risk-based design decisions. These findings will be used to support the development of risk reduction and resilience strategies for Pure Water facilities. Total Contract Amount: $200K Client:City of San Diego, Public Utilities Dept. e. (1)TITLE AND LOCATION(City and State) (2)YEAR COMPLETED WRF Project 5176: Integrating Climate Change Impacts with Wet PROFESSIONAL SERVICES CONSTRUCTION(ifapplicable) Weather Management,Capital Improvement,and Stream Network Ongoing N/A Enhancement, Nationwide (3)BRIEF DESCRIPTION(Brief scope,size,cost,etc.)AND SPECIFIC ROLE❑x Check if project performed with current firm Principal Investigator. Nathan is leading a WRF research project to develop a Climate-Resilient Wet Weather Management and Planning Manual that provides stormwater and wastewater utilities with a roadmap for making confident capital planning decisions in the face of climate uncertainty. Nathan and his team are partnering with academic experts and utilities from around the country to address challenges, highlight leading practices,and develop a framework for guiding utilities through climate-informed design. Total Contract Amount: $200K Client:Water Research Foundation IBrown AND Caldwell STANDARD FORM 330(REV.7/2021) : 16