08/02/2018 EDAC Packet - Laserfiche WebLink

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No future neighborhood park is identified per the City's plan. The Park Board will need to determine if park improvements should be incorporated into the site, in addition to the trail. Required Screening, Landscaping and Buffer Yards Greenspace buffering is identified an important design element along property boundaries with single family residential developments. The applicant has not provided a tree survey of the site; however, it appears that there are significant trees located on the property. The applicant should preserve as much existing tree cover as possible. Previous reviews have suggested that the site design incorporate a minimum 20-foot wide buffer along north and west sides and staff recommends an additional 25-foot building setback from the buffer line. The applicant's plans do show preservation of trees along the western property line through the use of 50-foot structure setback, but ultimately the new street will shift to the western property line as it approaches County Road J. The plans show a 30-foot setback on the north, which may allow some tree preservation. The applicant should work to increase this setback if possible or prepare a landscape plan that provides a transition between the existing homes to the north and the single level townhomes proposed. In addition to tree preservation and buffering, the applicant will be required to comply Section 1007.043 (17) of the Zoning Ordinance which provides standards for landscaping, buffering, and screening. Specifically, the applicant should note that townhomes and multi -family developments are required to install 1 tree per 70 feet of linear feet of road frontage and require open areas to be landscaped. Stormwater Management and Erosion and Sediment Control The Master Plan requires developers to provide filtration and infiltration elements such as rain gardens, swales, dry creeks, infiltration chambers and other ecologically based methods along with more traditional ponds and pipes. The Master Plan also stipulates that stormwater management ponds should be designed as a site amenity, including appropriate landscape elements. The plans show preservation of the wetland in the northwest portion of the site and two treatment ponds near the townhomes. More detailed stormwater plans will be provided with the preliminary plat. A wetland delineation has not yet been provided to the city and must be completed prior to the in preliminary plat submittal. Utilities New public water, sanitary and storm sewer utilities are required to serve the development. The Master Plan requires municipal utilities for developments on this site, and provisions that water trunk lines must be looped. The proposed plans would provide for extension of public utilities to serve the site and abutting uses. The City Engineer's memo includes detailed comments and requirements. 7