STANTEC CONSULTING SERVICES, INC. (4)

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CITY OF SANTA ANA RFP NO.: 22-133 ON -CALL ENGINEERING DESIGN SERVICES FOR PFAS TREATMENT SYSTEMS the scope of work shall include the following for the Planning Study: A. MANAGEMENT ACTIVITIES The Consultant shall conduct project management activities to ensure adherence to budget and schedule. The Consultant shall coordinate and attend meetings with City staff pertaining to the project kickoff, reviewing draft reports, and as needed to prepare and address project inquiries and issues. In addition, the Consultant shall provide meeting minutes for each meeting as well as biweekly updates of progress to the City. B. WELL ASSESSMENT AND INITIAL TREATMENT DESIGN The Consultant shall gather information on the City's groundwater conveyance systems, impacted wells, reservoirs, imported water connections, and conduct site visits per the City's request to determine available area of land for the PFAS treatment systems) as well as determine how the treatment system(s) will be integrated into the City's existing operations. The Consultant shall also review any existing and available information on the City's historical PEAS bench- and pilot -scale testing as well as historical Planning Studies performed and existing PFAS treatment facility layouts, and adhere to the standards set therein. In the preliminary Planning Study, the Consultant shall provide a conceptual layout for each requested location by the City based on existing Ion exchange (IX) treatment systems (AqueoUS Vets System rated for 150 PSI). For all IX wellhead treatment designs, the Consultant shall include cartridge filter pre-treatment, a sand separator, IX lead -lag system capable of addressing the well(s)'s gallon per minute capacity, an emergency generator, and an additional sound attenuated booster pump to combat the head loss experienced through the new treatment system. C. PERMIT ASSESSMENT The Consultant shall perform an initial permitting assessment to understand any requirements, as well as develop a list of required permits (include permit description, issuing regulatory agency, summary of permit requirements, and permit acquisition timelines). D. FEASIBILITY STUDY The Planning Study shall possess a Feasibility Study in which the Consultant shall investigate hydraulic conditions of existing wells and determine what modifications to existing well pumps and transmission systems (booster pumps) will be necessary, if any, for the installation of the proposed PFAS wellhead treatment facilities. E. COST ESTIMATES City of Santa Ana RFP 22-133 On -Call Engineering Design Services for PFAS Treatment Systems Page 15