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ml m Bonestroo <br />Rosene <br />Anderlik & <br />|\J I Associates <br />Engineers & Architects <br />November 10, 1998 <br />Elizabeth VanZomeren <br />City Planner/Zoning Administrator <br />City of Orono <br />Post Office Box 66 <br />Crx'stal Bay, MN 55323 <br />Re: Bentrott Site Plan <br />File No. 139-2395 <br />Boncitroo. Rosene. Anderhk tsncJ AssoctMes. Inc »s dn Af/irmdtive Acnon Equal Opportunity EmployerPnnctpali Olio G Bonestroo. PE • Joseph C Anderlik. PE • M«irvin L So'v.iM PE • <br />Richard E Turner. PE • Glenn R Cook. PE • Robert G Schunchi. PE • Jer'y A Bourdon. PE • <br />Robert W Rosene. PE and Susan M Eberlm. C PA . Senior Consultants <br />Assoriate Pr:ncip,'^is Howard A Sanford. PE • Keith A Gordon. PE • Robert R Pfefferfe, PE • <br />Richard W Foster PE • David O Loskota. PE • Robert C Russok. A IA • Mark A Hanson. PE • <br />Michael T Rautmann. PE • Ted K Field. PE • Kenneth P Anderson. PE • Mark R Rolfs. PE • <br />Sidney P Williamson. PE. L S • Robert F Koismiih • Agnes V. Ring • .Michael P Rau. PE • <br />Allan Rick Schmidt PE <br />Offices SI Paul. Rochester. Willmar and St Cloud. MM - Milwaukee. Wl <br />Webfite WWW bonestroo com <br />,----------- <br />c... - ...^ <br />dL <br />Dear Liz: <br />We have reviewed the revised site plan dated November 10, 1998 for the proposed garage relocation on the <br />Brent Bentrott property. The site is locatru at 1453 Park Drive on the south side of Forest Lake in the south <br />half of Section 7. We have the following comments in regards to engineering matters. <br />1. Grading: The revised grading plan appe;uT» to address some but not all of our previous concerns. The <br />proposed swale and associated grading east of the driveway is shown right up to the property line. To <br />construct the swale and driveway as shown it will be necessary to obtain a temporar)' easement from the <br />property owner to the east. Drainage along the east side of the house is still a concern. The proposed <br />grading plan shows a culvert under the driveway that may direct some water westerly however it appears <br />that a considerable amount of storm water will be directed towards the existing home. Retaining wall <br />details and design should be submitted for review. <br />2. Driveway: The proposed grades on the driveway appear to be acceptable. The 2 percent landings at Park <br />Drive and at the proposed garage make sense. The City should consider if the future construction of <br />Bluff Street is a possibility. The proposed plan shows the driveway to be constmeted in (he Park Drive <br />and Bluff Street right-of-way. Future improvements to either street would eliminate the 2 percent <br />driveway landing making ingre.ss and egress difficult if not dangerous. <br />3. Drainage: A detailed drainage area map of the contributing drainage area and drainage calculations <br />should be submitted for review. <br />4. Easements: Utility easements should be shown 5-feet wide along the interior lot lines and 10-feet wide <br />along Park Drive and Bluff Street. Drainage easements should be provided across all drainage ways. <br />Please contact me at (604-4863) if you have ary questions regarding this matter. <br />Yours very truly, <br />BONESTROO, ROSENE. ANDERLIK & ASSOCIATES INC. <br />Tom Kellogg <br />Cc: Greg Gappa, City of Orono <br />2335 West Highway 36 • St. Paul, MN 55113 ■ 612-636-4600 • Fax: 612-636-1311