10-21-2019 Planning Commission Packet

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A wetland delineation has been receieve3d and accepted by the Watershed District. Shoreland rules. Section 78-1221 Subdivision/ platting provisions apply to this subdivision. The Planning Commission and City Council will need to consider the following in determining land suitability for subdivision: (1) Susceptibility to flooding; (2) Existence of wetlands; (3) Soil and rock formations with severe limitations for development; (4) Severe erosion potential; (5) Steep topography; (6) Inadequate water supply or sewage treatment capabilities; (7)Near-shore aquatic conditions unsuitable for water-based recreation; (8) Important fish and wildlife habitat; (9) Presence of significant historic sites; or (10) Any other feature of the natural land likely to be harmful to the health, safety or welfare of future residents of the proposed subdivision or of the community. Additional information will be required as part of the preliminary plat process: (c)Information requirements. Sufficient information must be submitted by the applicant for the city to make a determination of land suitability. In addition to information required by other provisions in this chapter and chapter 82,the following information shall also be submitted: (1)Topographic contours at two-foot intervals showing limiting site characteristics. (2)The surface water features required in Minn. Stat. § 505.02, subd. 1, to be shown on plats, obtained from United States Geological Survey quadrangle topographic maps or more accurate sources. (3)Adequate soils information to determine suitability for building and on-site sewage treatment capabilities for every lot from the most current existing sources or from field investigations, such as soil borings, percolation tests or other methods. (4) Information regarding adequacy of domestic water supply; extent of anticipated vegetation and topographic alterations; near-shore aquatic conditions, including depths,types of bottom sediments, and aquatic vegetation; and proposed methods for controlling storm water runoff and erosion, both during and after construction activities. (5)Location of 100-year floodplain areas and floodway districts from existing adopted maps or data. (6)A line or contour representing the ordinary high water level, the toe and the top of bluffs, and the minimum building setback distances from the top of the bluff and the lake or stream. Utilities. Stormwater. It is advised to meet with the watershed district early to understand their permitting requirements. Three lots(the two pink lots and the existing home) will trigger stormwater management. All lots will be served by municipal sanitary sewer services, at the developers expense. The sanitary sewer main will need to be extended to the north, with individual lots served by service lines. Conservation Design. City Code requires conservation design for projects either greater than 5 acres,or at densities greater than one unit per 2 acres. We can support a waiver of the conservation design requirement in lieu of identifying substantial trees(Oaks,Maple,Basswood,etc. greater than 6' DBH) Variances/waivers necessary Based on the information available,the following waivers or variances are identified: ■ Cul de sac length