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' 2335 Highway 36 W <br /> > �:. �., . .., <br /> ;E, � q � . St.Paul,MN 55113 <br /> `��,`�����rir� ��'�` / Te1651-636�600 <br /> Fax 651-636-1311 <br /> www.bonesVoo.com <br /> �anuary 2�, 2010 � Bonestroo <br /> Ms. Evelyn Turner <br /> Planner <br /> Ciry of Orono <br /> Post Office Box 66 <br /> Crystal Bay, MN 55323 <br /> Re: 515 Ferndale Road <br /> File No. 000139-10000-2 <br /> File No. 2009-0862 <br /> Dear Evelyn: <br /> We have reviewed the plans for the proposed new home construction at 515 Ferndale Road N. <br /> The plan is dated 1-22-10 and shows a rain garden north and west of the future addition area. <br /> We have the following comments with regards to engineering matters: <br /> • It is our understanding that the wetiand delineation review will not be completed until <br /> the spring growing season. If this plan is approved, it should contain conditions <br /> prohibiting grading activities below the existing 1004 contour in the northwest corner of <br /> the property until the wetland delineation is approved. This will ensure that a potential <br /> wetland buffer area is not disturbed or filled. <br /> • The drainage way located along the east lot line acts as an overflow for a low area east <br /> of the property. Site grading should be monitored to ensure current overflow elevations <br /> for this drainage way are maintained. <br /> � • The rain garden acceptably mitigates the peak storm water flows from the site and is <br /> designed to accommodate runoff from the future addition noted on the plans. <br /> • This project will disturb more than 100 CY of material. Sediment and erosion control <br /> information meeting the requirements of Orono's City Code 79-7(c)(2) must be <br /> submitted. The minimum $2000 sediment and erosion controi financial security should <br /> be required of the owner for this permit. <br /> If you have any questions, please call me at (651) 604-4894 or send an email to <br /> darren.amundsen@bonestroo.com. <br /> Yours very truly, <br /> �--- -�`��-�_�/� <br /> i��--- � <br /> Darren Amundsen <br /> Cc: Tom Kellogg <br /> Melanie Curtis <br /> John Smyth <br />