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City of Arden Hills Planning Commission Meeting for February 7, 2018 P:\Planning\Planning Cases\2017\PC 17-029 - 3685 New Brighton Road Preliminary and Final Plat and Easement Vacation\Memos_Reports_17-029 Page 4 of 15 The property is traversed by a wetland area along the western boundary of the lot that extends off site to the north and south. In order to satisfy Rice Creek Watershed District requirements, the development will be required to construct two basins on Lot 1 that will capture stormwater runoff from the entire site and allow water to discharge into the adjacent wetland area. The Subdivision Code requires that a drainage easement be provided for wetland areas and stormwater management facilities. The plat provides adequate easements for the wetland, the basins, and the other drainage facilities on the site. The City has an existing lift station located along the southern property line of the lot along Thom Drive. This lift station is located on private property and the City has an easement that permits the City to operate and maintain the lift station. The existing easement for the lift station is larger in area than the footprint of the facility. The proposal includes a partial vacation of this easement to accommodate the access driveway for Lot 2. The Public Works Director/City Engineer has reviewed the new easement area and determined that it provides adequate area for the City to continue to operate and maintain the lift station. The easement area would also be sufficient if the City need to reconstruct the lift station in the future. The vacation of a public easement requires a public hearing before the City Council. At the time Planning Case 17-029 is reviewed by the City Council, a public hearing will also be held for the proposed vacation. C. Lots Location and Size All lots are required to abut by their full frontage on a public street and meet the minimum lot dimensions required by the Zoning Code. All three lots have full frontage on a public street and meet the minimum standards for the R-2 District. Watercourse Lots abutting upon a wetland are required to have additional width or depth to assure building sites are not subject to flooding. All building areas should be located outside the natural feature and a minimum of two feet above the 100-year flood elevation. Lot 1 abuts a wetland area on the west side of the property. The building pad site is located outside of the delineated wetland area. The lowest level of the proposed dwelling on Lot 1 is 893 feet, and the 100-year high water level for Basin 1 is 888.9 feet and for Basin 2 886.1 feet. Corner Lots Corner lots shall be platted at least 10 feet wider than the minimum requirement for interior lots. The minimum lot width for the R-2 District is 85 feet. Lot 3 is a corner lot and would have a width of 120 feet.