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ATTACHMENT CONSULTANT SCOPE OF WORK FOR 6.13. - Page 23 of 39 PREP PHASE 3 FEASIBILITY STUDY !( � KennedyJenks PHASE 3 Scope of Work Long Term Strategic Recycled Water Planning (CIP #9232) Potable Reuse Exploratory Plan (PREP) Phase 3 — PREP Feasibility Study Phase 3 for the Potable Reuse Exploratory Plan (PREP), herein referred to as the PREP Phase 3 Feasibility Study, will further explore potable reuse opportunities in the San Francisco Mid -Peninsula region. • The PREP Phase 1 Initial Study considered potable reuse alternative concepts, including groundwater replenishment reuse and Reservoir Water Augmentation (RWA) at Crystal Springs Reservoir (CSR) and Bear Gulch Reservoir. • The PREP Phase 2 Concept Study further defined the concept of a RWA project at CSR. Phase 2 also include a parallel study of PREP Institutional Considerations, which provided a preliminary evaluation of institutional considerations related to the implementation of a potable reuse project that augments CSR with purified water. The PREP Phase 3 Feasibility Study will provide additional analysis of RWA at CSR and explore alternatives for Direct Potable Reuse (DPR) on the San Francisco Mid -Peninsula region. This work will build on the Phase 2 PREP Concept Study to further assess issues related to mixing and achieving sufficient retention times, optimizing reservoir operations and other implementation considerations for RWA at CSR. DPR concept alternatives will be developed, along with conceptual level costs and a discussion of regulatory and implementation considerations for implementing a Raw Water Augmentation (RaWA) or Treated Water Augmentation (TWA) project to directly augment the drinking water supply with purified water. Key decision metrics will be developed through discussion with the PREP TAC, and applied to the RWA and DPR alternatives to compare costs, benefits, limitations and risks and help determine a path forward. Scope of Work The scope of work was developed based on compiled scope items from the PREP Technical Advisory Committee (TAC) meeting minutes from May 13, 2019 and November 6, 2019, plus follow up emails and discussions with PREP Parties. The following tasks are described in this section: • Task 1: Reservoir Water Augmentation (RWA) Analysis • Task 2: Direct Potable Reuse (DPR) Analysis • Task 3: PREP Phase 3 Study • Task 4: Meetings and Webinars • Task 5: Project Management and QA/QC • Task 6: As -Requested Support \\SFOCAD\Projects\P W-Prof\2016\1668011.02_SVCW_ PREP Phase2\01-PreJob1nfo\1.02_PhaseMcopi ng\PREP_Phase3_SO W_09.30.2020_F I NALw-Agreement.docx 45 ATTY/AGR.2020.216/MOA- SVCW, SFPLIC, BAWSCA, Cal -Water, City of San Mateo (Page 20 of 36)