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Scones t roo <br />Otto G Bonevran PE <br />Robert <br />1C <br />Joseph Arkklmt►E. PE <br />Rosene <br />Bradhxd A PE <br />PE <br />k/ar Rd E 1lwTW. ner, ►E. <br />Anderlik & <br />James C Orion. rE <br />Gk!m R Cook. ►E <br />Associates <br />Thomas E. NOWL /E. <br />R*m G. Sd%PWC . PE. <br />tAarvsn L Sonraa. /E <br />Engineers dL Architects <br />October 1i, 1988 <br />City of Orono <br />Box 66 <br />Crystal Bay, MN 55323 <br />Attn: Ms. Jeanne Mabusth <br />Re: File No. 139-1309 Nelson Property <br />Dear Jeanne, <br />Kesh A Gordon. PE <br />Thomas W Peterson, PE Danrer 1 Edgerton, PE. <br />hCh" W F01M, ►E <br />kWtar C Lyndr. PE Mart A. Sere PE <br />Donato C &s9&rM /E <br />lames R Maand. ►E. PMmrp 1 Ca were, /E <br />Jerry A Bowdon. ►E <br />Kenneth Or Anderson, ►E tort D Wain!. ►E. <br />Mark A Hanson, PE <br />=,A A Bat E Ch&Ws A E,KkWn <br />Red C Fre4d. PE <br />Mart R ftrtPt\ r pawHyry <br />PwrhaeP T Rautmann. PE <br />Robert C y <br />Robert R ►kRe4. ►E <br />Thomas E <br />DOM O. LOU=. rE <br />t+ Sid *h /E. <br />0al <br />We have inspected the Nelson property at 1629 Bohns Point Road. The work com- <br />pleted by the property owner will improve the water quality and reduce the <br />quantity of water being discharged directly to the lake. <br />The property owner created a ponding area with the overflow being six inches <br />below the neighbors driveway. This should be adequate to provide proper <br />drainage. The ponding area is lined with an impervious fabric to an elevation <br />9 inches below the overflow. The pond is in effect a hard cover area because <br />of the fabric. The property owner has attempted to mitigate the hard cover <br />situation by stopping the fabric below the overflow elevation. This will al- <br />low storm water from the small rainfall events to percolate into the ground <br />rather than flow directly to the lake. The larger rainfall events will over- <br />flow onto the yard area before enter ng the lake. <br />The property owner has used a permeable fabric for underlining much of the <br />area where landscape work was completed, The placement of fabric is not <br />consistent with adopted city policy. The fabric placed under the planting <br />areas should be removed. The fabric placed in the rock spillway area should <br />be retained to prevent erosion of the underlying soil. <br />If you have any questions, please contact this office. <br />Yours very truly, <br />BONESTR00, ROSENE, ANDERLIK L ASSOCIATES, INC. <br />ale m K. Cook <br />fife: li <br />24 <br />233E West Highway 36 0 St. Paul. Minnesota S5113 0 612 636-4600 <br />