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Bonestroo Z335 West Highway 36 • St. Paul, MN 55113 <br /> Rosene Office:651-636-4G00 • Fax: 651-G3G-1311 <br /> - Anderlilc& www.bonesu�oo.com �������� <br /> Associ�tes �UL 1 � 2005 <br /> Engineers&Architects <br /> �;��D� G �ITY UF ORONO <br /> :luly 12,2005 <br /> Ivls. Melanie Curtis <br /> Planner <br /> CItY Of�COIlO <br /> Post Off ce Box 66 <br /> Crysta]Bay,MN 55323 <br /> Re: 1860 Shoreline Drive <br /> File No. 000139-05000-0 <br /> Plat No.OS-3136 <br /> Dear Melanie: <br /> We have reviewed the site plans dated June 19,2005 for the proposed improvements 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 keepiug the existing driveway connection to C.R. I S and adding a driveway to Heritage <br /> Drive.The site should have only one driveway access witli the preferred]ocation 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 adjacent properties,this is not acceptable.A revised grading <br /> plan should be submitted that shows side yard swales that contain storni water on the subject property. The <br /> revised plan should include an earthworks calculation to quantify the amount of fill 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 shown 3.5- <br /> feet frocn the lot line.This wall must Ue 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 betvveen the home and Heritage Drive is shown at a 12%grade.The driveway should be <br /> redesigned with a maximum grade of 10%. <br /> • A revised grading plan should be submitted that shows existing contours extending at(east 50-feet beyond all <br /> property lines. <br /> • The 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 35-feet lake ward from the front of the home.It appears the proposed grading will direct water towards <br /> the home and should be revised. <br /> If you have any questions please call me at(651)604-4863. <br /> Yours very truly, <br /> BON�STROO,ROSEN�,AND�RLIK&ASSOCIATES, INC. <br /> ....--�' <br /> �� <br /> Tom Kellogg <br /> Cc: Greg Gappa, City of Orono <br /> St. Paul, St. Cloud, Rochester, MN • Milwaul<ee, WI • Chicago, IL <br /> Affirmative Action/Equai Opportunity Employer and Employee Owned <br />