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• <br /> Howarc R. Green Corn oany <br /> CONSULTING ENGINEERS <br /> September 19, 2000 <br /> File: 811751J-0240 <br /> Ms. Michele McPherson <br /> Director of Planning <br /> City of Elk River <br /> 13065 Orono Parkway <br /> P.O. Box 490 <br /> Elk River, MN 55330-0490 <br /> RE: ELK RIVER MUFFLER AND BRAKE <br /> Dear Ms. McPherson: <br /> As requested, we have reviewed the submittal package for the proposed Elk River <br /> Muffler and Brake facility to be located in Houles First Addition. The submittal consisted <br /> of a grading, drainage, and erosion control plan prepared by John Oliver and Associates, <br /> • dated September 12, 2000, and a site plan prepared by Paul Meyer Architects, Inc., <br /> dated August 17, 2000. Based upon our review, comments received at the staff review <br /> meeting, and meetings with the Developer, we would offer the following comments: <br /> 1. The site plan proposes to outlet the parking lot into the future Ulysses Street <br /> right-of-way approximately 200 feet south of 171st Avenue. Then a temporary <br /> driveway will be constructed from this point in the future Ulysses Street right-of- <br /> way to 171st Avenue. The access point of the driveway with 171st Avenue <br /> should line up directly opposite Ulysses Street north of 171st Avenue. <br /> 2. The site shows a pond area at the south end of the site. The pond is proposed to <br /> be constructed partially within an existing wetland. John Weicht and Associates <br /> received a letter dated August 29, 2000, from Steve Rohlf, Building & Zoning <br /> Administrator, that essentially approved the using of a portion of the wetland for <br /> ponding purposes under the De Minimis provision in the Wetland Conservation <br /> Act (WCA). <br /> No drainage calculations have been submitted. These will need to be submitted, <br /> reviewed, and approved prior to final approval of the site plan. The proposed <br /> pond shows side slopes at a 3:1 slope. Best Management Practices call for pond <br /> side slopes to be a maximum of 4:1 with a flat-benched area at the normal water <br /> level. This is to provide a means to get out of the pond should someone happen <br /> to find themselves in the pond itself. The City has allowed steeper slopes in <br /> other instances, but in all cases have required that the pond be securely fenced. <br /> 1111 <br /> O:\PROJ\811751j10240Vtr 9-19-00 McPherson.Review.doc <br /> 1326 Energy Park Drive • St. Paul, MN 55108 • 651/644-4389 fax 651/644-9446 toll free 888/368-4389 <br />