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To: <br />From: <br />Date: <br />Orono Planning Commission Members <br />Ron Moorse, City Administrator <br />' <br />Jeanne A. Mabusth, Building & Zoning Administrator <br />June 18, 1993 <br />Subject: #1838 Robert Owens, 1700 Bohn's Point Road - <br />Conditional Use Permit/Variance -Public Hearing <br />The applicant has applied for a conditional use permit to allow repairs to a lakeshore <br />bank that sustained damaged in the 1987 back-to-back 100 year storms. Applicant suspects <br />either poor workmanship or design failure created the recent partial collapse of the existing <br />bank. The 1987 method of restoration involved placement of geotechnic fabric supported by <br />substructure, but obviously the underlying support structure was inadequate. Applicant is <br />hesitant to return to the same method and seeks a more permanent solution. The new proposal <br />involves the installation of two tiers of concrete blocks with a geo-grid support system. As of <br />this writing we have not received the design for the support structure, but we have been advised <br />that the necessary soil borings were completed on the 16th. The Engineer's final report will be <br />presented to the Planning Commission on Monday, June 21st. The following ordinance is <br />pertinent to the review: <br />Section 10.03 , Subd . 19 -Conditional use permit required for the installation of retaining <br />walls within the lakeshore protected area and for land alterations involving the movement <br />of earth in excess of 100 cubic yards. <br />List of Exhibits <br />A -Application <br />A-1 Applicant's Letter of May 27, 1993 <br />A-2 Applicant's Letter of June 17, 1993 <br />B -Property Owners List <br />C -Plat Map <br />D -GME Consultants, Inc. Report October 19, 1992 <br />E -Section of Block Retaining Wall <br />F -Photographs <br />G -Gustafson Report June 8, 1993 <br />H -Packet of Permit Information for Storm Damage Repair of 1987-88 <br />I -Topographic Survey • Review of Application <br />The subject property received severe damage from the 1987 storms . The retaining wall <br />that runs along the shared lot line of the subject property and the property owner to the south <br />was installed to replace an existing wall that had been completely destroyed. The lakeshore bank