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- 2335 West Highway 3G • St.Paul, MN 55113 <br /> Bonestroo <br /> Rosene Office: G51-636-4G00 • Fax:G51-G36-1311 <br /> - Anderlilc& www.bonestroo.com <br /> Associ�tes <br /> Engineers&Architects <br /> ��(e�d�:�'�;�'a <br /> AUG � � 2005 <br /> August 23,2005 �I�Y Of- �}�ONd <br /> Ms.Melanie Curtis <br /> Planner <br /> City of Orono <br /> Post Office Box 66 <br /> Crystal Bay,MN 55323 <br /> Re: 1860 Shoreline Drive <br /> File No. 000139-05000-0 <br /> Plai iJo. OS-3136 <br /> � Dear Melanie: � ' <br /> We have reviewed the revised site plans dated August 17,2005 for the proposed improvemenls to 1860 Shoreline Drive. <br /> The site improvements include the removal of an existing home and the construction of a new home and driveway. We <br /> have the following comments with regards to engineering matters: <br /> • The proposed grading plan raises some concerns,particularly on the lake side of lhe home.It appears that storn� <br /> water is being routed along the northeast side of the home towards a proposed low area at the southeast corcter <br /> of the home. At that point the water is directed tl�rough a notch in a retaining wall and then directed <br /> southwesterly across a patio in front of the home. Once the stonn water gets past the southwest corner of the <br /> home the water is directed soutl�easterly on a proposed sidewalk.This design does not make good engineering <br /> sense and should be revised. Storm water should not be routed through walls, over patios and sidewalks but <br /> rather should be directed to vegetated swales tbat convey storm water away from the home.It appears that the <br /> proposed walkout design does not work and a full basement or lookout design is better suited for this lot. <br /> • Many of the proposed retaining walls exceed 4-feet in height.All retaiuing walls over 4-feet in height and all <br /> concrete retaiiung walls require a separate engineered design and detail submittal for review and approval.It <br /> appears the construction of the wall adjacent to the parking area shown 5-feet away from the lot line will require <br /> easements from the neighbor to construct. <br /> • The proposed grading is sl�own rig]it up to the lot lines and will require easements from the neighbors to <br /> complete. <br /> • A driveway design should be included in the final plans.The design shouid include the typical driveway section <br /> along with curb and gutter to contain water on the subject property and prevent discharges onto the property to <br /> the south and west. � <br /> If you have any questions please call me at(651)604-4863. <br /> Yours very truly, <br /> BOIVESTROO,ROS�NE,ANDERLIK&ASSOCIAT�S,INC. <br /> � <br /> Tom Kellogg <br /> Cc: Greg Gappa,City of Orono <br /> St. Pauf, St. Cloud, Rochester, MN • Milwaul<ee, Wt ■ Chicago, IL <br /> Aff'rrmative Action/Equal Opportun(ty Employer and Empioyee Owned <br />