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� <br /> � <br /> � Conservation Design Principles <br /> ■ Orono Villas <br /> Orono, MN <br /> � <br /> 1.O Introduction <br /> � <br /> i Landform is pleased to provide Conservation Design Principles which address general <br /> ecological conservation and storm water management issues for the Orono Villas site. <br /> ■ These principles are based on analysis and survey of existing site conditions, and <br /> preliminary strategies for conservation design (completed 11/17/06), which include: <br /> � protection of natural features, clustering home sites, multi-cell storm water treatment, <br /> prote�tion of positive view corridors, removal of invasive plant species, and planting of <br /> � native material. <br /> � 2.0 Existing Conditions <br /> � The approximately 10 acre site is located southwest of Old Highway 12 (Wayzata <br /> Boulevard), south of the Luce Line Trail, and east of the Northern Rail Road tracks. <br /> � „ Adjacent land uses include a cemetery and wetland to the south, wetland and railroad <br /> tracks to the west, residential homes to the north, and wetland and small businesses to <br /> � the east. The site was examined on October 14, 2003, by Kjolhaug Environmental <br /> Services Company, a geotechnical evaluation was completed by Braun Intertec <br /> � Corporation on October 27, 2004, and also investigated on November 13, 2006, by <br /> ■ Landform. <br /> . The site is characterized with existing wetlands and woodlands located mainly in the <br /> southwest portion of the site, and upland slopes near the Luce Line Trail to the north. <br /> ■ Driveway access exists at the southeast corner of the site from Old Highway 12, and a <br /> small daycare center (closed) with parking lot lies in the northeast portion of the site. <br /> � The wetlands are Type 1, and Type 3, with dominant vegetation consisting of invasive <br /> reed canary grass, cattail, and common buckthorn. Woodland areas consist of overstory <br /> � cottonwood and boxelder,with understory of invasive common buckthorn. <br /> S The natural resources on the site have been degraded primarily due to past land uses, <br /> but opportunities exist to enhance and improve existing features as part of the future <br /> S development. These opportunities are highlighted in the following Conservation Design � <br /> Principles. <br /> � <br /> 3.0 Conservation Design Principles <br /> � <br /> . Avoidance and Protection of Natural Features and Scenic Value <br /> � Measures will be taken to avoid as much existing wetland and woodland areas where <br /> feasible. Proposed home sites are clustered to preserve as much natural open space as <br /> � possible. Views to the sites natural features and wetland edges are an integral part to <br /> the conservation design, and will be preserved with the layout of the home sites. The <br /> � majority of the existing trees and wetland areas will be left untouched. However, <br /> Wetland #3, characterized as a lower quality wetland, will be filled and replaced on the <br /> � site near the northwest corner of Wetland #1. <br /> � Landform Conservation Design Principles <br /> Orono Villas Orono,MN <br /> ■ -2- <br /> � <br />