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WSB <br />& Asaociales, Inc. <br />. Planning n Environmental . Construction <br />May 15, 2012 <br />The Honorable Mayor, City Council and Staff <br />c/o Mark Casey <br />City of St. Anthony Village <br />3301 Silver Lake Road NE <br />St. Anthony Village, MN 55418-1603 <br />Re: Request to Accept July 2011 Flood <br />Investigation and Stormwater Modeling Report <br />Dear Honorable Mayor, City Council, and Staff: <br />701 Xenia Avenue South <br />Suite 300 <br />Minneapolis, MN 55416 <br />Tel: 763-541-4600 <br />Fax: 763-541-1700 <br />It is requested that the City Council accept the Flood Report prepared by WSB & Associates. <br />This report is in response to a July 16, 2011 rainfall event, where several areas within the City of <br />St. Anthony and surrounding communities experienced severe flooding. As a result of the <br />flooding, the City requested a review of the conveyance infrastructure and flood storage provided <br />in the existing drainage systems. In addition, an investigation of improvements that could be <br />pursued to reduce future flooding of the impacted areas was requested. The rainfall event has <br />been evaluated and a hydrologic/hydraulic model has been developed for the flood areas. <br />hnprovement options to reduce future flooding are also discussed and recommendations are <br />presented for each flood area. The flood areas evaluated are listed below: <br />Flood Area A: Mirror Lake Townhomes <br />Flood Area B: Silver Lane and Shamrock Drive <br />Flood Area C: 39°i Avenue and Shamrock Drive <br />Flood Area D: St. Anthony Industrial Park <br />A presentation of the Flood Report will be made at the May 22, 2012 Council Meeting. If you <br />have any questions concerning the report, please feel free to contact me at 763-287-7182. <br />Sincerely, <br />WSB & Associates, Inc. <br />Todd Hubmer, PE <br />City Engineer <br />Minneapolis ■ St. Cloud <br />Equal Opportunity Employer <br />%CmmciI MsunSs\2012V)52dIDINA 114;1-05152.1dwx <br />45 <br />