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- - / �Onj� � � C ITY OF ORONO i � �, Street Address: Mailing Address: Telephone(952)249-4600 � G� 2750 Kelley Parkway P.O.Box 66 Fax (952)249-4616 F ! �, Orono,MN 55356 Crystal Bay, MN 55323 www.ci.orono.mn.us �/�"FS}{p� November 18, 2015 Kenton Hove Divine Custom Homes 397 Eagle Bluff Court Hudson, WI 54016 Re: Building Permit Application, Lot 3, Block 2, Mooney Lake Preserve Dear Mr. Hove: The plat of Mooney Lake Preserve has been approved and filed with Hennepin County, allowing the City of Orono to proceed with review of the building permit application you submitted to this office on September 11 for Lot 3, Block 2. Our initial site plan review indicates the following issues that must be resolved in order for the application review to proceed: 1. Wetland Crossing. The proposed driveway crossing of the wetland and wetland buffer cannot be approved, as these areas are protected via City ordinance and the Mooney Lake Preserve development covenants. 2. Driveway Relocation. Additionally, per City Code, any driveway location that is within 35 feet of the wetland boundary ar within 10 feet of the septic system soil treatment area cannot be approved. It would appear that the only feasible driveway location will be easterly and southerly of the proposed septic areas as depicted on the submitted survey. Any driveway proposed in this area must be designed to have no impact on the tree buffer required by the development approvals along the southeast border of this property. Alternatively, if it is feasible to shift the septic sites further east, a driveway might be located between the wetland and the septic sites; this will require analysis and approval from your ISTS Site Evaluator/Designer. 3. Excavation for Walkout—CUP Required. The proposed excavation to create a rear walkout configuration is estimated at 5,000-6,000 cubic yards, and requires a Conditional Use Permit(CUP) because it exceeds the 500 cubic yard threshold allowed for the normal and customary grading in the area of a proposed house, per Orono Zoning Code Sections 78-966 thru 78-968. The CUP application process typically takes approximately 60 days from the date of submittal of a complete application, and there is no guarantee of approval. 4. Potential Wetland Impact. The proposed rear walkout excavation has the potential to have a negative impact on the wetland at the northeast corner of the property, because the wetland is at approximately the 1016' elevation and the proposed excavation within 50- 80 feet of the wetland is as much as 8 feet lower than the wetland elevation. This has the potential to result in draining of that wetland which would be prohibited.