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. � � � <br /> . ' ���,�:� <br /> Cary E. De�nele . � <br /> Mauxeen Steele .Bellows � . <br /> . � 3400 Watertawn Roac� � � <br /> Orano, MN 55356 <br /> � 9sz_4�s.9oso � <br /> January 30,2006 <br /> Mr. Michael Gaffron � � <br /> Zoning Administraior . <br /> City of OXono ' , . <br /> 2780 KelIey Parkway � <br /> Orono,Minnesota � • <br /> RE : MacKinnon Hi11 . � <br /> 3500 Watertown Road • � <br /> Dear Milce : <br /> Thank you for the opportunity to review thc latest engineering proposal f'rom the developer, <br /> �ohland Development. We do have some questions and conccrns. <br /> � Our concems ar�d cozzznn.ents on the proposed retention pond and dra�na,ge are as follows : <br /> 1. Who will own the Outlot and who will bc responsiblc for maintaining the�ond ? <br /> 2. Wl�at is tk�.e znatexial and design Qf the outlet contro! structure at the pond? Concrete ? <br /> Our eoz�cezxi is tlxe appearance. � <br /> 3. What type of sl�oreline planting will be used at pond's edge ? � <br /> 4. VVhat is thc required sctback from our properly line to fihe edge of the pond? Tl.�xs <br /> dcsign does not allow for a setbacl�. The silt 1'e�-�ce is zigl�t oz�the property�i.zte. <br /> 5. Looking at the proposed contours,thc built up grades indicate a+6' increase in <br /> elevation( 973'=�xisting, 984'=1Vcw) on the norL�i and narlheastern edge a:l'`l'1�e pond. �'k�e . <br /> elevation at the properry line is also 978' which means vvater vvould draiz�&om this higli <br /> poin,t across our property. � , <br /> G. Wb.at does the cross section thru the pond look like ? At low watcr, the pond <br /> � , would hnve 45 degree slopes near the center_ � <br /> ' 7. The drawing indicatcs that the new access road frQm WaierLown occurs where an <br /> � eYisting culvert runs under'Watertown Road, drains on to the property and along the <br /> existing drainage easement at the northem boundary of tlie proposed Oui:lot. This �vater anc1 <br /> drainage easement run along a group of willow trees in the wetland. A note on the drativxng . <br /> indicatcs "Proposed Storm sewer and catch basin at e�d o,C exisiing cul�rert". What does tlus <br />