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<br />11 <br /> <br />W ALSENBURG FEASIBILITY PROJECT <br />OUTLINE OF FLOOD CONTROL STUDY <br /> <br />I. <br /> <br />Data CollectionlField Work <br />A. Mapping <br />B. Photographs <br />C. Historical Flooding Problems <br />D. Community Needs for Flood Control <br />E. Inventory of Existing Drainage Structures <br />F. Measure Geometry of Ditch <br />G. Confirmation of Drainage Basin Boundaries <br /> <br /> <br />II. Hydrologic Analysis <br />A Determine Peak Discharges for lOO-year Flood (using I or more methods) <br />1 . Rational Method <br />2. TR-55, Urban Hydrology for Small Watersheds (SCS) <br />3. Regression Equations (USGS) <br />4. Other methodologies that are recommended by professors/other agencies <br />B. Determine Peak Discharges for lO-year Flood <br />L Use same methods as used for IOO-year flood <br /> <br />III. Hydraulic Analysis <br />A. Estimate Capacity of Existing Ditch <br />~--h- Dctailed ,',nltl]';, (i.e. nr::C-2), 01 <br />"* 2. Approximate Analysis (i.e. normal depth calcs, etc.) 1'1,^^", 1 "A" <br />B. Design/Analyze Proposed Improvements (I OO-year/lO-year capac~ties) <br />L Cui verts <br />2. Storm Sewers <br />3. Channel Improvements <br />4. Other Improvements <br /> <br />IV. Engineering Drawingsrrechnical Backup Data <br />I. Maps, Illustrations, Figures <br />2. Preliminary Design Drawings (hand drafted or AutoCadd) <br />I. Plan Views <br />2. Typical Sections <br />3. Typical Details <br />3. Technical Backup Data with Calculations, Computer Printouts, etc. <br /> <br />V. Written Report <br />L Feasibility Report (reconnaissance-level, preliminary design) <br />A. Introduction/Purpose <br />B. Community Description/Community Inventory <br />C. Description of Problems and Needs <br />D. Summary of Analyses <br />Eo Alternative Project Plans <br />F. Recommended Project Plan <br />