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, ,. <br /> . . 2335 Highway 36 W <br /> PC Exhibit D � St. Pau� MN 55113 <br /> Te1651-636-4600 <br /> Fax 651-63Cr1311 <br /> www.bonestroo.com <br /> August 31, 2011 �Bonestroo <br /> Melanie Curtis <br /> Planning and Zoning Coordinator <br /> City of Orono <br /> Post Office Box 66 <br /> Crystal Bay, MN 55323 <br /> Re: 1545 Maple Place <br /> File No. 000139-11000-1 <br /> File No. 11-3526 <br /> Dear Melanie: <br /> � <br /> We have reviewed the preliminary plat for 1545 Maple Place. We have the following comments <br /> with regards to engineering matters: <br /> • The stormwater comprehensive plan shows a pond within the preliminary plat area. A <br /> piped outlet north across the city property at Maple Place and Cherry Avenue is planned <br /> outlet route. An assessment of the existing stormwater system should be made to <br /> determine its conditions and possible reuse. Since the stormwater pond or feature on <br /> this property may affect the buildable area, preliminary storm sewer design should be <br /> included with the preliminary plat. <br /> • It appears that this area is part of a larger closed drainage basin and that Cherry Avenue <br /> to the north or North Shore Drive to the south would be the area stormwater emergency <br /> overFlow points. This will set the minimum proposed home openings to approximately a <br /> 942 elevation. Further survey data along Cherry Avenue may show that a slightly lower <br /> elevation could be achieved. <br /> • The city maps show an unclassified wetland located on this property. A wetland <br /> delineation report has been provided showing that no wetlands exist on the property. <br /> The applicant should provide confirmation of this from the Minnehaha Creek Watershed <br /> District if the report is approved. <br /> • The driveway for the southern most lot should be located as far as from North Shore <br /> Drive as practically possible. <br /> • The plan should show perimeter drainage and utility easements 5-feet wide along all <br /> interior lot lines or adjacent to platted property with existing easements and 10-feet wide <br /> along the exterior lot lines. <br /> If you have any questions, please call me at (651) 604-4894 or send an email to <br /> darren.a mu ndsen(a�bo nestroo.com. <br /> Sincerely, <br /> BO N ESTR00 <br /> � i . <br /> Darren Amundsen . . <br />