25B - AGMT FOR ENGINEERING SERVICES

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Amanda Combs, PE Lead Engineer Amanda Combs is a project manager with 19 years' experience leading high quality water and wastewater projects, from conceptual planning, preliminary design, and final design, to construction -phase services for pipelines, pump stations, water storage, and treatment plants. Project Experience Morro Hills No. 1 and 2 Reservoir Repairs and Booster Pump Station, City of Oceanside, California. Lead engineer for the design of repairs to an existing 5.0-MG prestressed concrete reservoir and a 5.0-MG welded steel reservoir on a common site. Improvements to the reservoirs included replacing piping, valves, and appurtenances, adding inlet and outlet flow meters, and recoating. In addition, the prestressed concrete Morro Hills No. 1 reservoir required widening of the footing, rewrapping and anchorage to address seismic deficiencies. To accommodate the seismic retrofit, removal and replacement of the inlet/outlet vault and Morro Hills booster pump station was required. The project also included various site improvements. M 4manda Come Education Virginia Polytechnic Institute and State University MS, Environmental Engineering, 2001 Virginia Polytechnic Institute and Henie Hills and John Paul Steiger Reservoir Repairs, City of Oceanside, State University California. Lead engineer for the design of various interior and exterior BS, Civil/Environmental repairs to two 3.0-MG prestressed concrete reservoirs. The Henie Hills Engineering, 1998 reservoir required various improvements to address seismic Certifications deficiencies, including widening of the footing, rewrapping, and Professional Civil Engineer, anchorage. In addition, a new concrete floor was constructed to CA No. 67287 address leakage from the deteriorated 3-inch gunite floor. Other improvements at both sites included new vault piping, valves, and appurtenances, addition of flow meters, and electrical upgrades. The John Paul Steiger site required grading and both on -site and off -site storm drain improvements as well. 13.5-MG Goetz Road Tank, Eastern Municipal Water District, City of Perris, Riverside County, California. Project engineer for the preliminary and final design of a 10-MG prestressed Type 1 concrete tank. Other design features on the tank site included 30-inch CML&C steel inlet and outlet piping, an altitude valve and check valve vault, reservoir mixing system, and chloramination boosting facility, site grading to partially conceal the tank and address site drainage for approximately 100-cfs that naturally drained through the site. Fire Mountain Recycled Water Reservoir and Pump Station, City of Oceanside, California. Lead engineer for the planning, preliminary design, and final design, of a 2.2-MG prestressed concrete reservoir and 1,150- gpm booster pump station as part of an expansion of the City's recycled water system to customers in the Lower Service Area. The new reservoir will be co -located with an existing City potable water reservoir. DUDEK Page 1of2 25B-45