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DOUGLAS J. WILLIAMS EDUCATION: Clarkson University, 1978, Bachelor of Science in Civil Engineering PROFESSIONAL REGISTRATION: PE Colorado #23599, Wy #5599, Md #16310 PROFESSIONAL BACKGROUND: 1997 - Current ICON Engineering; Principal 198 I - 1997 Greenhorne & O'Mara; Water Resource Dept. Manager 1978 - 1981 Gingery Associates; Project Manger . RELATED EXPERIENCE: Mr. Williams is a Principal of ICON Engineering, Inc. He has had a wide variety of engineering experience in water resources planning, design and construction. He has completed numerons drainage and flood control projects ranging from less than $10,000 to over $3,000,000 in construction costs. His practical approach to problem solving has been coupled with an awareness of aesthetics that has produced facilities that are functional as well as community amenities. Mr. Williams has successfully completed pmjects for the UD&FCD and local cities, counties, and towns throughout the Rocky Mountain Region. . REPRESENATIVE PROJECTS: Flood Hazard Area Delineation: 1. Floodplain analysis for the lO-year and 100-year flood events along 18 miles of Clear Creek from the South Platte River to the City of Golden; 2. Floodplain analysis of the 100-year flood event along 29 miles of Bear Creek following construction of tlle Mount Carbon Dam; 3. Floodplain analysis of lO-year and 100-year flood events along 5 miles of Harvard Gnlch, West Harvard Gulch, and Dry Gulch stream channel. Included analysis of split flow conditions, overbank flooding, and evaluation of shallow, indiscriminate floods over large areas; 4. Comprehensive floodplain analysis along South Boulder Creek for the lO-year, 50-year, IOO-year, and 500-year flood events along an 8.4 mil" reach of South Boulder Creek completed for the Urban Drainage and Flood Control District. Analysis included an evaluation of several bridges, canals, and ditches and the delineation of the 100-year floodplain. Flood Insurance Studies: 1. Completed hydraulic analysis, floodplain delineation, report preparation, and flood insurance data for Town of Vail. 2. For the Town of Silverthorne completed hydraulic analysis, floodplain delineation, report preparation, and flood insurance data for this community in western Colorado. 3. For the City of Denver completed Floodplain analysis for the to-year, 50-year, 100-year, and 500-year flood events along 70 miles of streams in the City and County of Denver, Colorado. 4. Completed hydraulic analysis, floodplain delineation, and flood insurance data for the Summit County community in western Colorado. 5. Completed hydraulic analysis, floodplain delineation, and flood insurance data for Eagle County in western Colorado. Master Drainageway Planning Studies: Hydrology, floodplain analysis, damage evaluation, preliminary design of improvement alternatives, and economic evaluation of proposed facilities for numerous miles of drainageway in Colorado inclnding: 7 miles of Spring Creek in Fort Collins; 44 reaches along 27 miles of South Bonlder Creel tribntary channels in and adjacent to Bonlder;. Three Lakes Tributary Drainageway Planning in the Town of Columbine Valley on Dutch Creek; Major Drainageway Planning, Denver Tech Center; Stream Stabilization and Major Crossing Planning on Little Dr)' Creek, Willow Creek, and Tribntaries in Arapahoe County including 7.9 miles of drainageway on the majority of Little Dry Creek, Willow Creek, Spring Creek, West Spring Creek, and Foxhill Park Tributary. Hydraulic Design of Bridges: Hydraulic design and analysis of bridge crossiugs including design and analysis of proposed channel improvements. Projects include: Prince Street Bridge over the S. Platte River in Arapahoe County; Belleview Bridge over the South Platte River in Littleton; Colfax Avenue Bridge over Sand Creek in the City of Aurora 26