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<br />GEORGESLOVENSKY <br /> <br />Page 3 <br /> <br />opportunities and the susceptibility of steep hillsides to periodic bums were important factors <br />in the analysis. <br /> <br />Storm Drainage Master Plan for Spokane County, Washington. Hydrologic modeling of <br />rainfall, snowmelt and chinook events for two watersheds in Spokane County using HEC-I. <br /> <br />Willow Creek Master Plan (Wasatch County, Utah). Hydrologic and hydraulic modeling of <br />the Willow Creek watershed and channel. HEC-I was used to quantify stormwater inflows to <br />the Willow Creek channel and HEC-2 to assess channel capacity. Modeling accounted for <br />interaction between the natural drainage system and a complex irrigation network (ditches <br />and control structures). Alternatives were developed to provide 100-year flood protection for <br />rapidly urbanizing areas adjacent to the channel in Draper City, Utah. <br /> <br />Project Engineer - Cross Drainage Study for the Wasatch County Water Efficiency Project <br />(Central Utah Water Conservancy District). This project assessed the impact of storm water <br />flows on three irrigation canals. HEC-I modeling was used to quantify stormwater flows <br />developed in areas tributary to the canals. HEC--2 hydraulic modeling of the canals was used <br />to assess the ability of the canals to accommodate these inflows. Modeling results were used <br />to identify locations for cross drainage structures, emergency spillways and other water <br />control features. <br /> <br />Project Engineer - Austin Creek Pump Station Study (Vallejo Sanitation and Flood Control <br />District). Hydrologic and hydraulic modeling to analyze alternatives for removing the Austin <br />Creek pump station while still providing lOa-year storm protection along the Austin Creek <br />Channel. High tide levels at an incised channel outlet limited the range of options. A <br />spreadsheet based hydraulic model was developed which incorporated the channel, adjacent <br />detention area, multiple outlet structures and the influence of fluctuating tide levels. The <br />model was used to assess system performance during storm events. HEC-l modeling results <br />provided inflow hydrographs to the spreadsheet model and WSPG was used to analyze <br />channel hydraulics. <br /> <br />Lake Las Vegas Inlet Structure Design and Outlet Structure Analysis (Transcontinental <br />Properties). Preliminary design of 100-year (11,500 cfs) lake inlet structure from Las Vegas <br />Wash to Lake Las Vegas. Hydraulic modeling of structure using WSPG. HEC-2 used to <br />assess inlet structure impacts on water surface elevations in Las Vegas Wash and to establish <br />lOa-year flood boundaries in downstream village area. Proposed service spillway <br />modifications were analyzed for their effect on Lake stage during storm events. <br /> <br />City of Las Vegas Rancho Drive Storm Drainage Improvements. Hydraulic modeling and <br />pre-design of approximately 2 miles of 15 to 20 ft wide concrete lined open channel and <br />l4'W x 8'D RCB. Facilities operate under supercritical flow conditions and included <br />numerous transition and junction structures. <br /> <br />Stormwater Design <br /> <br />noor,'TGOiVIE!W"'ATSJ" ((11) <br />