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Ho.ward R, Green Oompany <br />QONSU/TING ENGINEERS <br /> <br />June 19, 2000 <br />File: 810600J-0240 <br /> <br />Mr. Steve Wensman <br />City of Elk River <br />13065 Orono Parkway <br />Elk River, MN 55330-0490 <br /> <br />RE: <br /> <br />LIVING WATERS CHURCH <br />CITY OF ELK RIVER, MINNESOTA <br /> <br />Dear Mr. Wensman: <br /> <br />We have reviewed the revised drawing prepared by Plowe Engineering Inc. for the above <br />referenced project. The drawing had a version date of May 30, 2000. Based on our review, we <br />would offer the following comments: <br /> <br />Sherburne County has reviewed the proposed development and requested an <br />additional right turn lane and a by-pass lane be constructed on County Road 32. <br />These should be reflected on the plan. <br /> <br />The pond at the west side of the property should have an emergency overflow <br />elevation shown. Currently the high water level is indicated at 950.3 and the highest <br />contour shown is 950. We would suggest that one location be shown for the <br />emergency overflow and not allow water to centrally shoot over the entire berm <br />length. We also believe that in this location the 950 and 952 contour need to be <br />shown between the pond and the proposed building. <br /> <br />The ponds located near County Road 32 have an emergency overflow elevation of <br />950.8. The top of the berm is indicated at 950. The emergency overflow elevation <br />cannot be above the top of the pond as it is currently shown. If the pond rises to <br />950.8, currently the northeast corner of the parking lot, including several stalls and <br />the drive isle, will be inundated. This situation needs to be reviewed. <br /> <br />Does the existing house to be removed have a well and septic system which needs <br />to be abandoned? If so, show them on the plan. <br /> <br />5. Drainage and utility easements 10 feet wide should be provided around the <br /> perimeter of the property. <br /> <br />Sincerely, <br /> <br />Howard R. Green Company <br />T 'e~~r ,~PP~. ~'~ <br />Ltr-O61600-Wensman.doc <br /> <br /> 1326 Energy Park Drive · St. Paul, MN 55108 · 651/644-4389 fax 651/644-9446 <br /> <br />toll free 888/368-4389 <br /> <br /> <br />