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• F;;;:te„-- <br /> --- Howard R. Green Company <br /> L CONSULTING ENGINEERS <br /> December 21, 2000 <br /> File: 812590J-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: HILLSIDE 8TH ADDITION <br /> Dear Ms. McPherson: <br /> As requested, we have reviewed the revised grading plan for the Hillside Estates 8th <br /> Addition. The plan we reviewed was prepared by Pioneer Engineering and had a <br /> revision date of December 12, 2000. There are a number of issues with this revised <br /> grading plan. The major ones include the significant retaining walls that have been <br /> added to eliminate all the wetland encroachment, the retaining walls and grading for the <br /> • most southerly lots on Dodge Street, lack of emergency overflow information for the <br /> various ponds and drainage areas, and a number of more minor grading issues. Frank <br /> Knz of my office has redlined the grading plan and together we have discussed all of our <br /> issues with Leon Opatz, P.E., from Pioneer Engineering, who prepared the plan. Mr. <br /> Opatz discussed with me this afternoon each of these issues, stating that he understood <br /> the issue and would make the revision necessary. With these changes, I believe that <br /> the grading and erosion control plan will be approvable. One word of caution, however, <br /> is that removal of the retaining walls adjacent to the wetlands may require some filling of <br /> the wetlands. I indicated to Mr. Opatz that he would still have to go through the <br /> Technical Evaluation Panel regarding the Wetland Conservation Act. He understood <br /> that he would have to go through this process and that the Technical Evaluation Panel <br /> may not approve the filling of the wetland, in which case one or more lots may be lost <br /> from the development. <br /> If you have any specific questions regarding issues of the grading and drainage plan, <br /> please call. <br /> Sincerely, <br /> Howard R. Green Company <br /> Terry J. surer, P.E. <br /> TJM:tw <br /> O:\PROJ\812590j\0240\Ltr 12-21-00 McPherson.doc <br /> 1326 Energy Park Drive • St. Paul, MN 55108 • 651/644-4389 fax 651/644-9446 toll free 888/368-4389 <br />