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FLOOD05477
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Last modified
1/29/2010 10:11:57 AM
Creation date
10/5/2006 1:35:25 AM
Metadata
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Template:
Floodplain Documents
County
Boulder
Weld
Community
Erie
Stream Name
Coal Creek
Basin
South Platte
Title
Proposal/Feasibility Study for Flood Control and Floodplain Management Plan for Coal Creek
Date
8/1/1979
Prepared For
CWCB
Prepared By
WRC Engineering, Inc.
Floodplain - Doc Type
Miscellaneous
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<br />I <br />I <br />I <br /> <br />EXAMPLES OF WATER RESOURCES CONSULTANTS, INC. EXPERIENCE IN HYDROLOGIC ANALYSIS, <br />HYDRAULIC ANALYSIS, HYDRAULIC DESIGN, EVALUATION OF EXISTING AND POTENTIAL DRAIN- <br />AGE PROBLEMS, AND THE FORMULATION OF FLOOD CONTROL PROTECTION PLANS. <br /> <br />I <br />I <br />I <br /> <br />1. RUNNING CREEK FLOODPLAIN/ELIZABETH DRAINAGE STUDY <br /> <br />Client(s): Colorado Water Conservation Board <br />Elbert County, Colorado <br />Town of Elizabeth <br /> <br />I <br />I <br />I <br /> <br />Conducted detailed hydrologic analysis to determine peak flows resulting <br /> <br /> <br />from a number of storm frequencies. Used SCS/TR-55, Synthetic Hydrograph, <br /> <br /> <br />Colorado Water Conservation Board T.M. I, and U.S.G.S. Regional Analysis <br /> <br /> <br />methods to compute the peak flows. Delineated the lOO-year floodplain for <br /> <br /> <br />Running Creek and its tributary through the Town of Elizabeth using the U.S. <br /> <br /> <br />Army Corps of Engineers Water Surface Profile computer program (HEC-2). Routed <br /> <br /> <br />the inflow hydrographs through a detention facility and computed the resulting <br /> <br /> <br />peak outflow. Provided a master drainage improvements plan for the major drain- <br /> <br /> <br />ageways in Elizabeth. Submitted progress reports, hydrologic and hydraulic <br /> <br /> <br />technical addendums, a draft of the final report, and the final report. <br /> <br />I <br /> <br />I <br /> <br />2. BROADWAY ESTATES DRAINAGE STUDY <br /> <br />I <br />I <br />I <br /> <br />Client(s): Arapahoe County, Colorado <br /> <br />Developed rainfall/runoff relationships for the 2-, 5-, and lO-year frequen- <br /> <br /> <br />cy storm for 640 acres of fully urbanized area in Arapahoe County. Evaluated <br /> <br /> <br />the existing storm sewer system and identified the drainage, problems. Provided <br /> <br /> <br />alternative solutions to the drainage problems and determined their economic <br /> <br />feasibility. <br /> <br />I <br /> <br />3. FARMERS HIGHLINE CANAL HYDRAULIC STRUCTURES <br /> <br />Client(s): City of Northglenn. Colorado <br /> <br />I <br />I <br />I <br />I <br /> <br />WRC provided complete hydraulic and structural design for two sediment <br /> <br /> <br />extraction units to keep bed load sediment from entering the irrigation canal, <br /> <br /> <br />plus, two side channel spillways, and a gated outlet for a surface runoff stor- <br /> <br /> <br />age facility. Prepared final construction drawings, specifications and bid <br /> <br /> <br />documents. <br /> <br />-7- <br />
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