06-13-1994 Council Packet - Laserfiche WebLink

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REQUEST FOR COUNCIL ACTION jum 1 m ^ 1994 DATE: J ITEM NO.;^7 Department Approval: Name Jeanne A. Mabusih Title Building & Zoning Administrator Administrator Reviewed:Agenda Section: Zoning Item Description: #1904 Eric and Shelly Liljequist, 3490 Birch Lane - Conditional Use Permil/Variance Additional List of Exhibits I - MCWD Permit #94-76 Brief Review of Application The entire footprint of the Liljequist residence is located within the tlood plain of Uke Minnetonka. The structure is to be completely rebuilt with new foundation. A conditional use permit and variance is required as work is done within the shoreland and new construction involves permanent structure within the flood plain ot Lake Minnetonka. Applicants have completed their review before the Watershed District and have received approval. Review Exhibit F. 1, and J. The Watershed District has approved a retention plan providing tor mitigation/retention area to the street side of the residence. Shawn Gustafson has provided another alternative, review Exhibit H, that would allow for the creation of a swale along the west side of the residence providing for positive drainage towards the lake and away trom residence. Gustafson is concerned that with the mitigation pond to the rear or street side of residence that positive drainage would not be achieved and that it will be necessary to create a swale leading from retention area. In recent discussions with Ellen Sones of the Watershed District, she also concurred that it would be necessary to maintain positive drainage and that a swale is needed providing for positive drainage from the mitigation area at the south. The applicant has been offered two alternatives for mitigation of the filling of the flood plain. It is staffs understanding that the Liljequists prefer the original plan approved by the Watershed District. It will be the applicants’ responsibility to provide a drainage plan designating a 1:1 mitigation of the filling of the flood plain and providing positive drainage on the property. The City will ask that the engineer review that grading and drainage plan and complete the necessary inspections on site.