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• � BO LTON 8� M � N K , i N C� <br /> � Consulting Engineers & Surveyors <br /> �� 2638 Shadow Lane, Suite 200•Chaska, MN 55318-1172 <br /> Phone(952)448-8838• Fax(952)448-88Q5 <br /> www_bolton-men k.com <br /> August 30,201? <br /> Citv of Orono <br /> Attn: Christine Mattson <br /> PO Box 66 <br /> Orono, Mn 55323 <br /> RE: Wetland Delineation/Bldg. Permit#2012-00728 <br /> 2280 Fox Street <br /> Dear Christine: <br /> As requested,we have reviewed the wetland boundary and buffer area at 2280 Fox Street. We offer the <br /> following observations, comments and recommendations for your consideration. <br /> 1. I reviewed the wetland boundary in the field on August 22,2012 and agree with most of the wetland <br /> boundary as marked. One of the flags near the east end of the boundary line appeared to be off by j ust <br /> a few feet. However,this will not impact the wetland buffer zone in relation to the project. Refer to <br /> the attached GIS map showing my determination of the wetland edge. <br /> ?. An"as-built"survey of the project,indicating the wetland edge and the buffer edge, will suffice for <br /> City records. <br /> 3. This wetland is listed as a"preserve" wetland in the MCWD inventory, which requires a 50 foot buffer <br /> per City code. The buffer was not marked in the field, so I examined the entire area between the <br /> wetland edge and the existing fence(about 100 feet apart). A good stand of native vegetation <br /> dominated by Green Ash. Sumac, Canada Golden Rod and Raspberry exists in this area. 1 also <br /> observed a very small percentage of Canada thistle, which will need to be controlled. <br /> 4. The proposed addition has the potential to adversely impact the wetland which will trigger the wetland <br /> protection ordinance requirements. Therefore,the following should be considered: <br /> a. The wetland will require a 50 foot buffer. <br /> b. Canada thistle was found in the wetland buffer area and is considered to be an undesirable <br /> plant species. A plan including methods for removal and control of the Canada thist]e should <br /> be submitted for review. <br /> c. Wetland Buffer markers should be placed at the upland boundary of the buffer edge located at <br /> lot lines and changes of buffer edge direction and spaced a maYimum 200 feet apart. <br /> d. A $1,000 escrow should be submitted by the Owner to cover the cost of buffer development 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 <br /> Cc: David Martini. Bolton &Menk <br /> Robert Bean, Bolton & Menk <br />