08/12/2020 P&Z Packet - Laserfiche WebLink

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The parking lot for this commercial development will be collected in a storm sewer system which will connect to the proposed private road to the north. This storm sewer will be routed to the west where a basin with connected filtration cell will be constructed to abut the existing wetland. This basin will outlet to the existing Wetland A. This wetland will outlet through the culvert located at the southwest, which drains under CSAH 14. The pond is sized for Lot 1 and the private road and may be expanded to accommodate future development. The proposed stormwater management facility shall be reviewed by the City Engineer and RCWD to determine compliance for rate control, water quality and volume control. Public Utilities The new retail building will be municipally served by an 8" PVC sanitary sewer and an 8" DIP watermain located along the private road that extend from Otter Lake Road. Tree Preservation and Mitigation Standards The Environmental Coordinator and Environment Board reviewed the tree preservation and landscaping requirements. The following comments are from the July 29, 2020 Environmental Board staff report. The purpose of these standards is to protect valuable trees and stands of vegetation while not interfering with landowners' reasonable use and development of property. The goal is to minimize unnecessary loss of habitat, biodiversity, and forest resources and to replace removed trees in areas where tree cover is most critical. A tree survey will not be required for this site, because there are no trees over 6 inch DBH to survey. Preservation and mitigation standards do not apply to this site. Open Areas Landscape Standards The purpose of these standards is to provide general site beautification and high aesthetic quality with a mix of plant materials in open areas. Open area landscape standards call for 1 large tree and 3 large shrubs per 2000 sq.ft. If the storm water pond area is going to be permanent, open space plantings will be required. Buffer and Screen Standards The purpose of this requirement is to separate and buffer different land use types, screen roads and parking, and screen utility and loading areas. Continuous, year-round planting screens require, at the minimum, a double row of plants with triangulated spacing. X