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ti . , 1—O� YO • CITY OF ORONO � ,�, Street Address: I Mailing Address: Telephone(952)249-4600 y�. � 2750 Kelley Parkway P.O.Box 66 I Fax (952)249-4616 l�kFs x o�ti G Orono,MN 55356 Crystal Bay,MN 55323 www.ci.orono.mn.us May 18,2015 Sven Gustafson Stonewood, LLC 153 Lake Street E Wayzata, MN 55391 Re: Building Permit Application#2015-00507 3928 Cherry Avenue On April 29, 2015 the City received a building permit application for a new single family home and in-kind replacement of an existing boat house. Staff conducted a preliminary review based on the information provided and recommends the following items be submitted or revised in order for your application to be considered complete and for the plan review to continue: 1. Certificate of Survey. The survey submitted dated 4-28-2015 is not to scale and appears to have an incomplete legal description. The City Engineer has reviewed the survey and made the following comments. Please provide two copies of an updated, full size certificate of survey which meets all of the City's survey standards (enclosed) addressing the comments below. a. The site plan depicts a retaining wall on the north east side of the home. As depicted the walls are exactly 4 feet tall and exactly 8 feet apart. While this does meet the City's retaining wall standard, the slightest deviation from the plan may result in the requirement of an engineered design. Walls 4 feet or greater in height must be designed by a licensed professional, and plans must be submitted to the City for review prior to the approval of the permit. In the case of multiple walls, walls separated by less than 2x the height of the upper wall shall be considered one wall. b. The retaining walls on the west side of the home next to the driveway are 5 feet tall and require engineered designs. c. A timber retaining wall is shown on the survey in the to be graded area, is this planned to be removed? d. Grading and construction of a retaining wall is shown outside of the erosion control measures and on the neighboring property. The following must be submitted: 1. Written permission must be received from the neighboring property owner and the erosion control measures adjusted to cover all of the disturbed area;and 2. A zoning permit application for a minor land alteration for grading for the neighboring property. Please provide a calculation of proposed earth movement for the grading. Please note 50 cubic yards can be approved and permitted administrative within 75 feet of the Ordinary High Water Level (OHWL); over 50 cubic yards within 75 feet of OHWL will require council approval;and 3. A zoning permit application for a retaining wall on neighboring property. Please note the retaining wall appears to be within 75 feet of the OHWL and is not permitted. Please adjust this wall to meet the 75'setback.