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Drainage Concerns Page 3 of 4 <br /> Long Lake Properties November 4,2009 <br /> 2687 Wayzata Blvd,Orono,MN Comm#11586 <br /> elevation. The concrete weir (grouted rip-rap)would insure pre and post- <br /> design drainage and flow conditions are met per the drainage analysis <br /> The combined effect of the additional retention volume and the fixed <br /> outlet will further reduce the volume of discharge to the adjacent <br /> property. <br /> 3. After the vegetation is established in the basin (the end of June 2010±), <br /> we will cut off the drain tile and provide a cap which will allow only <br /> seepage flow necessary to protect the vegetation at the bottom of the <br /> basin. <br /> 4. The new riprap configuration on both the 2687 property& Morrie's <br /> property, which is wider than that previously constructed by Morries, will <br /> remain as is on both properties to provide slope protection in the case of <br /> major storm events. <br /> 5. Long Lake Properties, LLC will bear the cost of the improvements <br /> describes above. <br /> 6. We are prepared to complete the concrete outfall work this fall, as soon <br /> as approval can be obtained. <br /> Please find enclosed a sketch plan showing these proposed changes. <br /> Upon your review and approval of these proposed modifications we will proceed <br /> with construction of the weir and in time, modification of the drain the per our <br /> agreement with Morrie. <br /> We are copying Morrie's attorney, Peter Johnson, with this information to keep him <br /> appraised of our efforts to resolve this issue. <br /> If you have any questions, please contact me at (763)412-4000. <br /> Sincerely, <br /> Roger A. Anderson <br /> A Service-disabled Veteran Owned Small Business <br /> LAND DEVELOPMENT • MUNICIPAL • HIGHWAYS • RAILROADS <br /> SURVEYING 9 WETLANDS 9 ENVIRONMENTAL ASSESSMENTS <br />