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William Ulrich - #760 <br />September 7, 1983 <br />Page 2 <br />The DNR h3- aspected the site and confirms the muskrat problem. The <br />seawall is the only method known to successfully combat muskrat infestation <br />riprap is ineffective. The inspection confirmed muskrat problems with poor <br />soils. <br />The seawall will be of an earthen tone aluminum installed in sections <br />(9" wide and 8" thickness). The wall will be 20" above the ordinary <br />high water level and the total wall 8' high. 6-1/3' of the wall will <br />be located under the water and lake bed (See Exhibits H & I). Exhibit K, <br />does show the number of deadmen/anchoring devices to be placed within <br />defined areas of the shoreiine. Exhibit J does show an optional redwood <br />walk along the edge of the retaining wall. Staff must recommend against <br />*his additional improvement and recommend instead a naL�jral rock walkway. <br />The City Engineer asks that the plans be signed by an engineer reaistered <br />in the State of Minnesota. Staff will require that at the time the <br />applicant applies for a building permit for the seawall that the plans <br />be signed by a licensed registered engineer. <br />The City Engineer and I inspected the drainage area .in order to determine <br />if the seawall would have any impact on the drainage basin located <br />between the Ulrich and Blohorn properties. The seawall will have no <br />effect on the watershed finding adequate grassed area within the basin <br />to contain. surface runoff. <br />Planning Commission recommends approval of the conditi-inal use permit <br />for William Ulrich. Please review their findings and conditions recuLded <br />in the minutes of August 15, 1983. The enclosed staff resolution has <br />been drafted for your review and approval. <br />Staff asks that you review Exhibits R, S, F, & U. The DNR appro% <br />the permit on July 15, 1983. The Planning Commission's first rev4e, <br />of the application was held on July 18, 1983 and .jgain on Auy�.,st 15, <br />1983. The City asked that all action on the part of tho DNR be delayed <br />until the City acted of the conditional use permit on April 27, 1983. <br />