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, Bonestroo Z335 West Highway 3G • St. Paul, MN 55113 <br /> Rosene Office:G51-G36-4600 • Fax: 651-G36-1311 <br /> Anderliic& www.bonestroo.com ��'�'�`��� <br /> � Associ�tes ���, � � 2005 <br /> Engineers&Architects <br /> �;�I�U� �I CITY C)F O�O�O <br /> Ju(y :12,2005 <br /> Ms.Melanie Curtis <br /> Planner <br /> City of Orono <br /> Post Off ce Box 66 <br /> Crystal Bay,MN 55323 <br /> Re: 1860 Shoreline Drive <br /> rile No. OOOl39-O5000-0 <br /> Plat No. OS-3136 <br /> Dear Melanie: <br /> We have reviewed the site plans dated June 19,2005 for the proposed improvernents to 1860 Shoreline Drive.The site <br /> improvements include the removal of an existing home and the construction of a new home and driveway. We have the <br /> following comments with regards to engineering matters: <br /> • The plans call for keeping the existing driveway connection to C.R. 15 and adding a drive��ay to Heritage <br /> Drive. The site should have only one driveway access with the preferred location at Heritage.Drive. <br /> • The proposed home construction will require a substantial amount of fill being brought to the site. The <br /> associated grading plan will route water onto the adjlcent properties,this is not acceptabie.A revised grading <br /> plan should be submitted that shows side yard swales that contain stonn water on the subject property. Tlie <br /> revised plan should include an earthworks calculation to quantify the amount of fil]proposed to be imported to <br /> the site. <br /> • The proposed retaining walls along the driveway to Heritage Drive approach 10-feet in height in some <br /> locations.Retaining walls that exceed 4-feet in height require a separate engineered design subnuttal for review <br /> and approval. In addition,the proposed retaining wall along the southwest side of the driveway is shovv��3.5- <br /> feet frotn the lot line.This wall must be moved to provide at least a 5-foot set back between the face of the wall <br /> and the lot line. <br /> • The proposed driveway between the home and Heritage Drive is sho��vn at a 12%grade.The driveway should be <br /> redesi��ed with a maximuui grade of l 0°/a. <br /> • A revised grading plan should be submitted that shows existing contours extending at least 50-feet beyond all <br /> property lines. <br /> • Tl�e applicant should verify if any wetlands exist on the site. - <br /> • The proposed grading plan shows spot elevations of 947 adjacent to the front of the home and a proposed 948 <br /> contour 3 5-feet lake ward from the front of the home.It appears the proposed grading wiq direct water towards <br /> the home and should be revised. <br /> If you have any c�uestions please call me at(651)604-4563. <br /> Yours very truly, <br /> BON�STROO,ROSEN�,AND�RLIK&:ASSOC[ATES,[NC. <br /> ✓ <br /> �� <br /> Tom ICellogg <br /> Cc: Greg Gappa,City of Orono <br /> St. Paul, St. Cloud, Rochester, MN • Milwaul<ee, WI • Chicago, IL <br /> Affirmative Action/Equal Opportunity Employer and 6mployee Owned <br />