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E. RELEVANT EXPERIENCE. <br />Project Name <br />Description <br />Client/Contact Reference/Status <br />• Ion exchange PFAS treatment process <br />Orange County Water District <br />Ilk <br />addition on exisitng wells <br />Ben Smith, Director of Recharge <br />t <br />• Provide site layout alternatives, evaluate <br />and Wetland Operations <br />_ <br />site access and 0&M requirements, prepare <br />18700 Ward Street <br />3D renderings for public outreach, and <br />Fountain Valley, CA 92708 <br />evaluate system hydraulics <br />(714) 378-3211 <br />• Services provided include preliminary <br />bsmith@ocwd.com <br />design, final design, bid phase support, <br />engineering services during construction, <br />Year Completed: Ongoing <br />and part time inspection services <br />On -Call Consulting Services <br />. Status: Currently under construction — <br />For PFAS Treatment Systems <br />Well 40; finishing final design —Well 38; <br />Design <br />predesign—Well 31; preliminary design — <br />Santa Ana, California <br />Wells 27 and 28 <br />San Fernando <br />Groundwater Treatment <br />Los Angeles, California <br />Graves Reservoir <br />Replacement Project and <br />Wellhead IX and GAC <br />Treatment <br />City of South Pasadena, California <br />TCP Impact and Solutions <br />Study <br />Rialto, California <br />Fast -track progressive design -build <br />Los Angeles Department of <br />requiring coordination with permitting <br />Water and Power <br />agencies and key resources <br />Regina Peng <br />Two miles of 48" diameter supply pipe with <br />Project Manager <br />capacity of 17,100GPM <br />111 North Hope Street <br />Second WTP capacity of 34,300 GPM with <br />Los Angeles, CA 90012 <br />separate process trains <br />(213) 367-4976 <br />Combination of sand separation, pre- <br />regina.peng@ladwp.com <br />filtration, chemical treatment advanced <br />oxidation, and GAC filtration <br />Year Completed: Ongoing <br />Prepared a preliminary design report that <br />identified existing conditions, deficiencies <br />with the current facility, two alternatives <br />for the pump station, design criteria, water <br />quality analysis, process selection for <br />nitrate and perchlorate removal, sizing of <br />sodium hypochlorite generation equipment, <br />site layout, and cost opinion <br />Prepared final GAC and IX treatment <br />designs <br />Determined the most appropriate and cost- <br />effective approach for treating 1,2,3 TCP <br />from two District wells <br />Evaluated production logs, water quality <br />data, site infrastructure, and onsite <br />wellhead treatment vs. centralized treatment <br />Prepared conceptual level design for <br />GAC treatment, integration into existing <br />IX facility, hydraulics analysis, and cost <br />opinion <br />City of South Pasadena <br />Anteneh Tesfaye <br />Water Operations Manager <br />1414 Mission Street <br />South Pasadena, CA 91030 <br />(626) 441-4024 <br />atesfaye@southpasadenaca.gov <br />Year Completed. 2020 <br />West Valley Water District <br />Van Jew <br />Assistant General Manager <br />855 W Baseline Rd <br />Rialto, CA 92376 <br />(909) 875-1940 <br />vjew@wvwd.org <br />Year Completed.2021 <br />City of Santa Ana On -Call Engineering Design Services for PEAS Treatment Systems REP NO. 22-133 19 <br />