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Beverly Encina, PE <br />Design Engineer —Water Quality/Disinfection <br />Ms. Encina is experienced in analysis and design for various types of <br />public works projects including, but not limited to, water pipeline <br />distribution systems, water booster pump stations, hydraulic analysis, <br />storm drainage system, site improvement design, and membrane <br />treatment design. <br />EXPERIENCE <br />Irvine Desalter Project (IDP), Irvine Ranch Water District, Irvine, CA. <br />The Irvine Desalter Project consists of drilling or rehabilitating and <br />equipping six source water wells, 50,000 linear feet of raw water <br />conveyance pipelines, potable and non -potable reverse osmosis (RO) <br />treatment facility for desalting and disinfection, potable and non -potable <br />booster stations and brine disposal. Included in the scope of work is <br />obtaining permits from various jurisdictional agencies and completing <br />CERCLA reporting to meet EPA and Department of Navy approval <br />Education: <br />B.S., Civil Engineering, <br />University of California, Irvine, <br />2002 <br />Registrations: <br />Registered Civil Engineer, <br />California No. 74408, 2009 <br />Professional Affiliations: <br />American Society of Civil <br />Engineers <br />Years with Tetra Tech: <br />requirements. Directed and coordinated field testing and data collection for three RO pilot plants. <br />Manganese Removal Systems at Irvine Desalter, Irvine Ranch Water District, Irvine, CA. Completed <br />Preliminary and Final Design as well as provided Engineering Services During Construction for the Manganese <br />Removal System to treat raw blend water with effluent of the reverse osmosis treatment system. Facilities <br />include three 900 gpm capacity — green sand pressure vessels, with available room for a fourth vessel for future <br />expansion, backwash storage tank, backwash recycle pump, sodium hypochlorite transfer pump, sodium <br />hypochlorite day tank, chemical feed pumping system, yard piping, electrical and controls as well as complete <br />programming. <br />Sodium Hypochlorite System Reconstruction and Power Upgrades, South Orange County Wastewater <br />Authority, Dana Point, CA. Design Engineer for the preliminary design, final design plans and specifications as <br />well as construction support services for this project. The upgrade was designed to lower the chemical storage <br />tank in relation to the feed point to avoid chemical siphoning through the metering pumps; provide true chemical <br />containment with a new structure as defined in the Uniform Fire Code (UFC); replacement of the existing <br />chemical feed pumps due to their age; and provide a new control system for flow pacing of the sodium <br />hypochlorite feed system. <br />Groundwater Recovery Desalination Facility, South Coast Water District, Laguna Beach, CA. Design <br />Engineer for final design documents for a 1.3 mgd desalinization facility expandable to 1.7 mgd reverse osmosis <br />membrane treatment, decarbonators, chemical stabilization and final product water pump station. An iron and <br />manganese treatment process will be utilized for the by-pass stream and blended to the RO treated water. <br />Caltrans Shallow Groundwater Study, Irvine Ranch Water District, Irvine, CA. Design Engineer for a <br />Technical Memorandum to IRWD documenting the results of a preliminary investigation of the potential options <br />for beneficial use of Caltrans shallow groundwater along the 261 Toll Road to supplement the District's potable <br />water supply. <br />TETRA TECH <br />