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�L�RIN6 ASSOCIAT ES <br />Memo <br />TO: Honorable Mayor & City Council Members <br />FROM: Lee Elfering, City Engineer <br />DATE: February 18, 2014 <br />RE: Thunder Bay Plaza Retail Center <br />As requested in the City Planner's report we have reviewed the proposed improvements <br />relative to drainage and stormwater management for the site. Based on the submitted <br />material the only disturbance relative to site work will be for the removal and installation <br />of the sidewalk along the buildings. The City's stormwater ordinance does not regulate <br />impacts of less than 20,000 square feet and the impacts to the site do not appear to <br />meet that threshold. If our assumptions of the site impacts are not accurate and more <br />than 20,000 square feet is disturbed the project would need to be reviewed for <br />stormwater compliance. <br />We would recommend that as part of the landscaping portion of this project the <br />boulevard area between the paver sidewalk along Little Canada Road and the parking <br />lot be reviewed. Specifically the narrow area between the easterly most driveway and <br />the westerly most driveway. The grades in a portion of this area may require a small <br />retaining wall to allow for a more maintainable slope. <br />If you have any questions concerning this information, please call me at (763) 780 -0450. <br />10062 Flanders Court NE — Blaine, MN 55449 — Ph: (763) 780 -0450 Fax (763) 780 -0452 <br />Memo•021014•CC (Thunder Bay Plaza) <br />15 <br />