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Christine Mattson From: Adam Edwards Sent: Friday, February 02, 2018 9:20 AM To: Christine Mattson Cc: Roger Peitso Subject: RE:2320 Oliver Hill/#2018-00047 Stamped the grading plan approved. From:Christine Mattson Sent:Thursday, February 01, 2018 10:10 AM To:Adam Edwards<aedwards@ci.orono.mn.us> Cc: Roger Peitso<rpeitso@ci.orono.mn.us> Subject: RE: 2320 Oliver Hill/#2018-00047 Adam, We received an updated survey dated 1-25-2018. Please review and provide comments. Thank you! From:Adam Edwards Sent:Tuesday,January 23,2018 4:49 PM To:Christine Mattson<CMattson@ci.orono.mn.us> Cc: Roger Peitso<roeitso@ci.orono.mn.us> Subject: RE:2320 Oliver Hill/#2018-00047 Chris, I've reviewed the subject plan and offer the following comments: 1. The plan depicts proposed grading within the wetland buffer. Alterations with in the wetland buffer are not allowed without a wetlands alteration permit. 2. The plan depicts grading downhill from the proposed Silt Fence. All soil disturbance should be within the perimeter erosion and sediment control measures 3. The proposed well location appears very close to the existing sewer stub location (which is not depicted on the plan). These two items must be de-conflicted. 4. Double silt fence must be provided for any work indicated within 50'of a wetland. 5. Perimeter sediment control measures must be installed by the contractor and inspected by the City prior to any work, including demolition.Contractor must provide minimum 24 hour notice prior to inspection. 6. A separate utility permit will be required for the sewer connection. Note the structure elevations established but the Development Plan are G=1001.2;TF 1001.5; and LL 993.5. Those on the proposed building grading plan are a foot higher. I am not sure if this makes a difference for your analysis but wanted to point it out. 1