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s <br /> � • = BO L_TON 8� M �N K , I NC� <br /> . Consulting Engineers & Surveyors <br /> �� � 2638 Shadow Lane, Suite 200•Chaska, MN 55318-1172 <br /> Phone(952)448-8838• Fax(952)448-8805 <br /> www.bolton-menk.com <br /> September 10,2012 oRa�o co�� <br /> City of Orono <br /> Attn: Christine Mattson <br /> PO Box 66 <br /> Orono, Mn 55323 <br /> RE: Wetland Delineation/ Pool Permit#2012-00744 <br /> 1900 Fox Ridge Road <br /> Dear Christine: <br /> As requested, we have reviewed the wetland boundary and buffer area at 1900 Fox Ridge Road. We offer the <br /> following observations, comments and recommendations for your consideration. <br /> 1. I reviewed the wetland boundary and buffer in the field on September 5, 2012 and agree with the <br /> wetland boundary as marked. <br /> 2. The proposed construction has the potential to adversely impact the wetland which will trigger the <br /> wetland protection ordinance requirements. Therefore,the following should be considered: <br /> a. This wetland is listed as a`'Manage I"wetland management class in the MCWD's Functional <br /> Assessment of Wetlands inventory, which requires a 35 foot buffer per City code. <br /> b. The existing buffer area is a steeply sloped, heavily wooded area predominated by mature Red <br /> Maples, with very little undergrowth. The ground is covered with Red Maple leaf litter. <br /> Because of the 90-100%shade provided by the maples and the leaf litter providing erosion <br /> control, 1 recommend that no additional vegetative planting be required. However,extra care <br /> should be taken in providing erosion control protection at the top of the slope so as to prevent <br /> erosion problems and damage to the wooded slope. <br /> c. Wetland Buffer markers should be placed at the upland boundary of the buffer edge located at <br /> lot lines and spaced a maximum 200 feet apart. <br /> d. A $500 escrow should be submitted by the Owner to cover the cost of buffer sign placement if <br /> not completed by the applicant. <br /> Please contact me if you have any questions or need additional information. <br /> Sincerely, <br /> BOLTON & MENK, INC. <br /> � � � <br /> . � <br /> Mark L. Perry, WDC <br /> Natural Resources Specialist h��� <br /> 1`�' <br /> Cc: David Martini, Bolton& Menk � / <br /> Robert Bean, Bolton& Menk �5�� r ( Nn(,�(�� C� � <br /> (� ( '� lr �,, <br /> t c"" <br /> IvQ�/ <br /> ���� Z <br /> � <br />