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m Bonestroo <br />Rosene <br />Anderlik & <br />q vl^ Associates <br />Engineers & Architects <br />Bonestroo. Rosene. Anderlik itnd Associates. Inc. Is an Affirmative Action/Equal Opportunity Employer <br />Principals: Olio G. Bonestroo. P.E. • Joseph C. Anderilk. P.E. • Marvin L. Sorvala. RE. • <br />Richard E. Turner. RE. • Glenn R. Cook. PE. • Robert G. Schunichi. RE. • Jerry A. Bourdon. PE. • <br />Robert W. Rosene. RE. and Susan M. Ebcrlin. C.P.A.. Senior Consultants <br />Associate Principals: Howard A. Sanford. RE. • Keith A. Gordon. RE. • Robert R. Pfefferle. RE. • <br />Richard W. Foster. RE. • David O. Loskota. RE. • Robert C. Russek. A.I.A. • Mark A. Hanson, RE. • <br />Michael T. Rautmann. RE. • Ted K.FIefd. PE. • Kenneth P. Anderson. RE. • Mark R. Rolfs. RE. • <br />Sidney P. Williamson. RE.. LS. • Robert F. Kotsmith • Agnes M. Ring • Michael P. Rau. RE. • <br />Allan Rick Schmidt. RE. <br />Offices: St. Paul. Rochester. Willmar and St. Cloud. MN • Mil^raukee. Wl <br />Website: wwwbonestroo com <br />January 5,1999 <br />Elizabeth VanZomeren <br />City Planner/Zoning Administrator <br />City of Orono <br />Post Office Bo.x 66 <br />Crystal Bay. MN 55323 <br />•n*- 0:; ' <br />^‘5 • .H.; ;o <br />Re: Peter Boynton Residence <br />File No. 139-2410 <br />Dear Liz: <br />We have reviewed the preliminary grading plan for the proposed new home construction at the Peter Boynton <br />residence. The site is located at 1973 Fagemess Point Road in the northeast quarter of Section 18. We have <br />the following comments in regards to engineering matters. <br />1. Access: The drawing submitted for our review contains a lot of information and is difficult to understand <br />at times. It is unclear whether the proposed driveway will be paved or gravel. We recommend the new <br />driveway be bituminous or concrete to prevent sediments from washing to the lake. <br />2. Grading: The grading plan shows the site being lowered by approximately 4 feet near the middle of the <br />site. The proposed plans indicate grading up to the lot lines of the neighboring properties on both sides <br />of the Boynton property. The size of the existing lot and the amount of proposed grading may impact the <br />neighboring properties and mi^t require easements. The grading plan shows a 944 contour tying into a <br />946 contour along the northeast lot line, plans should be revised and corrected. Proposed contours <br />northeast of the garage scale 2:1. We recommend that slopes that will be nudntained not exceed 3:1. <br />Erosion control is a big concern as the lake borders two sides of the property. An erosion control plan for <br />the entire site should be submitted for review. Erosion control measures should be in place prior to any <br />grading and maintained throughout construction until vegetation is established. <br />3. Drainage: Impacts to the lake should be minimized. Phosphorous loadings leaving the site should be <br />limited to a maximum of 0.28 pounds/acre/year. The site lends itself to some sort of best management <br />practice (BMP) such as vegetated buffer strips to treat runoff leaving the site. <br />4. Easements: Drainage and utility easements should be provided 5 feet wide along all interior lot lines and <br />10 feet wide along the roadway right-of -ways. <br />« • • <br />Please contact me at (604-4863) if you have'any questions regaitling this matter. <br />Yours very truly, <br />BONESTROO, ROSENE, ANDERLIK & ASSOCIATES, INC. <br />Tom Kellog <br />Cc: Greg Gappa, City of Orono <br />2335 West Highway 36 ■ St. Paul, MN 55113 ■ 612-636-4600 ■ Fax: 612-636-1311