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CITY OF MOUNDS VIEW – ARDAN AVENUE DRAINAGE SUBDISTRICT ANALYSIS Table of Contents 1.Background ...........................................................................................................1 2.Introduction...........................................................................................................1 2.1 Analysis Goals ................................................................................................2 3.New storm sewer Analysis and Recommendations......................................................2 3.1 Recommended Storm Sewer Improvements.......................................................3 3.2 Impacts on the 2009-2010 Street and Utility Improvement Project .......................3 4.Flood Protection Evaluation for Street Low Points.......................................................4 4.1 Low Point South of Sherwood Road and Fairchild Avenue Intersection..................5 4.2 Low Point South of Sherwood Road and Sunnyside Road Intersection...................6 4.3 Low Point South of Sherwood Road and Eastwood Road Intersection....................7 4.4 Low Point North of Sherwood Road and Eastwood Road Intersection....................8 4.5 Low Point at the Knollwood Drive and Ardan Avenue Intersection.........................9 4.6 Low Points on Laport Drive and Redoak Drive, South of Ardan Avenue................10 4.7 Low Point on Fairchild Avenue, North of Ardan Avenue......................................11 4.8 Low Point on Ardan Avenue, West of Redoak Drive...........................................12 4.9 Low Point on Redoak Drive, North of Ardan Avenue..........................................13 4.10 Low Point on Sunnyside Road, North of Ardan Avenue......................................14 4.11 Low Point on Eastwood Road, North of Ardan Avenue.......................................15 4.12 Low Point on Greenwood Drive, North of Ardan Avenue ....................................16 5.Rear Yard Nuisance Flooding Evaluation..................................................................17 6.Cost Estimates .....................................................................................................17 7.Recommendations................................................................................................18 Figures, Tables, and Maps Figure 4.1 - Low Point South of Sherwood Road and Fairchild Avenue Intersection...................5 Figure 4.2 - Low Point South of Sherwood Road and Sunnyside Road Intersection....................6 Figure 4.3 - Low Point South of Sherwood Road and Eastwood Road Intersection ....................7 Figure 4.4 - Low Point North of Sherwood Road and Eastwood Road Intersection.....................8 Figure 4.5 - Low Point at the Knollwood Drive and Ardan Avenue Intersection .........................9 Figure 4.6 - Low Points on Laport Drive and Redoak Drive, South of Ardan Avenue ..................10 Figure 4.7 - Low Point on Fairchild Avenue, North of Ardan Avenue ........................................11 Figure 4.8 - Low Point on Ardan Avenue, West of Redoak Drive..............................................12 Figure 4.9 - Low Point on Redoak Drive, North of Ardan Avenue.............................................13 Figure 4.10 - Low Point on Sunnyside Road, North of Ardan Avenue .......................................14 Figure 4.11 - Low Point on Eastwood Road, North of Ardan Avenue........................................15 Figure 4.12 - Low Point on Greenwood Drive, North of Ardan Avenue .....................................16 Table 6.1 - Cost Estimate Comparison.................................................................................17 Map 1................................................................................................................Appendix B