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Christine Mattson <br /> From: Christine Mattson <br /> Sent: Wednesday, September 19, 2012 9:59 AM <br /> To: 'Alyssa Kanive' <br /> Cc: 'Mark' <br /> Subject: 950 Willow View Dr-2012-00424 <br /> Alyssa, <br /> Our engineer reviewed the survey dated 8-27-12. His comments are included below. We need the survey to be revised <br /> to reflect the wetland edge as determined by Arrowhead Environmental on June 25, 2012. The 16.5' buffer and the 20' <br /> structure setback should be added. The other comments from our engineer should be addressed also. I sent your <br /> vegetative buffer plan to our wetland specialist for approval. We will review your permit request based on the revised <br /> survey with the above information. <br /> Wetland delineation approval from the Minnehaha Creek Watershed District (MCWD) is required before the wetland <br /> buffer escrow is returned, if approval is not received prior to our permit issuance. If the MCWD makes changes to the <br /> delineated edge,the changes will also need to be made on your property and on the survey before the wetland buffer <br /> escrow is returned. <br /> Please don't hesitate to contact me if you have any questions. <br /> Christine— <br /> I have reviewed the permit for the proposed sport court and have the following comments: <br /> • The survey shows the wetland edge and buffer area "as shown on grading plan dated 4-7-00". I am fine with the <br /> wetland boundary shown like this, but the buffer edge seems to have changed since 00 and should be reflective <br /> on the survey. They should show where the edge of the mowed grass and compare it to where the buffer was <br /> shown in 2000. <br /> • The proposed retaining wall needs to call out the top and bottom elevations. If the wall exceeds 4' in height or if <br /> a tiered wall is not separated by 2x the height of the taller wall (as measured from the face of the upper wall to <br /> the back of the lower wall), the applicant will need to have the wall engineered by a registered professional <br /> engineer. <br /> • The plan needs to show the erosion control measures on it. <br /> Please contact me with any questions or concerns. <br /> Jesse Struve, PE <br /> Director of Public Works/City Engineer <br /> City of Orono <br /> (952) 249-4661 - Direct <br /> (952) 249-4616- Fax <br /> www.ci.orono.mn.us <br /> 1 <br />