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David Na <br />2l P a a e <br />Stormwater and Hydrology <br />Hydrology Study & Storm Drain I Project Manager <br />University of California, Irvine <br />Mr. Na worked in conjunction with a consulting firm to conduct a Hydrology Study for Agua Chinon Knolls <br />using the Rational Method and the Unit Hydrograph Method in compliance with the Orange County <br />Hydrology Manual as part of his 'senior design project. <br />Stormwater Drainage System I Project Engineer <br />University of California, Irvine <br />Mr. Na designed a stormwater drainage system for a local site plan using EPA SWMM software. <br />Water/Wastewater - <br />Groundwater Contaminant Remediation Pump Station Design I Project Engineer <br />University of California, Irvine <br />Mr. Na developed a groundwater extraction/injection pumping system to mitigate contaminant/plume <br />migration into underground aquifers for the EI Toro Marine Corps Air Station. <br />Biological Process Design I Project Engineer <br />University of California, Irvine <br />Mr. Na completed a biological process design for full nitrification and denitrification and varied the MCRT <br />during the yearly cycle to meet the monthly permit. <br />Roadway Infrastructure <br />Highway Design I Project Engineer <br />University of California, Irvine <br />Mr. Na designed a partial two-lane highway extension connecting the SR -241 Toll Road and SR -74 Ortega <br />Highway. <br />55B-137 i <br />