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02/26/99 14:55 FAX 612 337 5601 DSU. INC.121005/005 <br />11.As noted in our prior review, the City and Developer should consider creating <br />a landscaped island within the proposed cui-de-sac. The cul-de-sac could <br />easily accommodate a 35 to 40 feet diameter island with a 2 or 3-feet high <br />sodded crown section and three or four deciduous canopy trees. Such an <br />island would reduce the actual and visual amount of paving, and as the <br />plants mature It would serve as an open space focus at the end of the curve. <br />Turning movements and snow removal should be reviewed but should not be <br />significantly impaired by such an island. <br />12.The grading plan indicates the need for a retaining wall at the hammerhead <br />turnaround on the east end of the southern driveway. This wall appears to <br />be approximately 6 to 8 feet high. A wall at this location may be highly <br />visible from County Road 15 and should be constructed and landscaped to <br />blend into the natural setting. A wall of this height must be engineered and <br />requires a fence or railing along the top. <br />If you have questions regarding these comments, or if I can be of further <br />assistance, please call me at 339-3300. <br />DAHLGREN, SHARDLOW, AND UBAN, INC. <br />Wallace L. Case, ASLA <br />Landscape Architect/Planner <br />-5-