11-13-1995 Council Packet - Laserfiche WebLink

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Request for Council Action continued page 4 of 5 November 9, 1995 Zoning File #2074 applicants were encouraged to consider a more pemianent solution but applicants adv ised that they would lose their only bit of sand shoreline with riprap and that there was not enough depth from the shoreline to the lakeside of the residence to allow for the alteration of the bank. At a 3:1 slope the majority of the lakeshorc yard w ould be lost. Planning Commission Recommendation The Planning Commission recommended unanimous approval of the conditional use permit and variance required for the installation of the 2' timber wall. Approval was conditioned on the placement of silt fence along the shoreline during the period of construction until all disturbed areas are restored and that the timber wall be installed with treated timber. Mr. Richter of the DNR has asked if the impact of the structure could be minimized by requiring plantings at possibly the top of this bank to minimize the visual impact from the public waters. Conditional Use Permit/Variance - Installation of Accessory Structure/Garage The proposed 25'x30' accessory structure will require no setback variances. There is no excessive hardcover within the 75-250' setback area nor will structural coverage excesses result from the improvement. Hardcover in the 0-75 ’ setback area exists at 24.2. Applicant proposes no reduction of hardcover improvements within the 0-75' setback area (855 s.f. = house and steps, 52 s.f. vvalkwav). The only approvals required for the installation of the accessory structure is the prohibition and conditional use pennit required for placement of structures within the floodplain of Lake Minnetonka, review Exhibit Q. Approximately a third to a half of the garage structure will be located below the 931.5 elevation and a small portion of the drive. Review Exhibit R, the Watershed District will ask for a matching excav ation to olTset the filling of approximately 14.8 cubic yards of filling will take place within the floodplain. Refer to Exhibit Q, applicants propose the excavation of a swale along the north side lot line (10'xl50 ’) that will take drainage to a drainage tile to be installed within the Tom Palm property to the immediate north. Rev iew Exhibit M, the topographic map that defines the local watershed and existing drainagevvay within neighborhood. The majority of runoff from the properties along Concordia drain to this property and the Palm property to the immediate north that contains a drainage swale along Palm’s north lot line that ev entually drains to West Arm. Representatives of the City have diseussed this matter with both Mr. Palm and Mr. Gehring. Both property owners are willing to cooperate in constructing the proposed drainage facilities to minimize the potential of flooding of both garage structures located in the lower elevation within their street yards. It would appear the Watershed District will approv e floodplain alteration as proposed at their November 9th Planning Commission recommendation.