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► <br />May 15, 1985 <br />Ms. Mabusth <br />Page 2 <br />9^,7'4 <br />I <br />The additional storm water storage along with the sedimentation/ <br />nutrient removal by the pond and filtration along the outlet channel <br />should Improve and maintain good water quality just as with the <br />wildlife pond. <br />4.The proposed method of erosion control Is a standard silt fence using a <br />sedimentation control fabric (see detail on grading plan). Additional <br />fence backing for the fabric and/or hay bales as a secondary control <br />may also be used where Its considered necessary or desirable to <br />maintain proper erosion control throught the entire construction <br />period. <br />5.Scheduling proposes the formal pond area, outlet channel and culvert <br />under the driveway be constructed during the spring and summer of 1985. <br />The skimmer and the Improvements and controls In the Immediate area of <br />the outlet culvert (from the wildlife pond area) will also be Installed <br />at the same time. <br />The wildlife pond will be constructed In the winter of 1985-86. This <br />Is due to the physical constraints of construction equipment getting <br />Into the area at any other time and the ability to better control <br />erosion and water quality discharge to Lake Minnetonka. <br />Please feel free to contact me should you have any questions or require <br />more Information. <br />Sincerely, <br />WESTWOOD PLANNING & ENGINEERING COMPANY <br />Greg Koplschke <br />GK/sd <br />cc: Glenn Cook <br />Mr. & Mrs. William Gregory <br />Enclosure: Grading Plan (3 copies) <br />J