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Date Application Received: 06/19/19 <br />Date Application Considered as Complete: 07/03/19 <br />60 -Day Review Period Expires: 09/01/19 <br />To: <br />From: <br />Date: <br />Subject <br />Chair Ressler and Planning Commission Members <br />Dustin Rief, City Administrator <br />Melanie Curtis, Planner h'1GG <br />July 15, 2019 <br />W —>-11 <br />\1SSH0 <br />#LA19-000051, Dale Gustafson o/b/o John & Trudy Wilgers, 1905 Concordia St, <br />Variance + IUP <br />Public Hearing <br />Application Summary: The applicant is requesting approval of a lake setback variance and <br />interim use permit to repair a slope failure. <br />Staff Recommendation: Planning Department Staff recommends approval. <br />Background <br />There is a new home under construction on the property. While the foundation work was <br />underway there were several consecutive rain events resulting in failure of the lower portion of <br />the lake slope on the property. Similar failures have occurred on the property over the years and <br />the previous owners had worked to incrementally repair those failures as they occurred. The <br />applicant is proposing to install a subterranean timber retaining wall grid system to stabilize and <br />repair the slope. Because the walls are not permitted within the lake yard, a 75 -foot lake <br />setback variance is required. <br />Section 78-1680 and 78-1700 - Hardcover Calculations: <br />Stormwater <br />Total Area in <br />Allowed <br />Overlay District <br />Proposed Hardcover <br />Zone <br />Hardcover <br />Tier <br />6,197 s.f. <br />6189 s.f. <br />577 s.f. w/in 75' <br />Tier 1 <br />24,788 s.f. <br />(25%) <br />(24.9%) <br />*lake stairs <br />Applicable Regulations: <br />Lake Setback Variance (Section 78-1279) <br />The applicant is proposing to install a subterranean timber wall grid system in the area of a <br />recent slope failure. The grid layout will create "boxes" to be filled with soil to recreate the <br />slope. Plantings with deep roots are proposed to be installed on the slope. The applicant's plan <br />has been certified by a professional engineer. Retaining walls are not permitted within the lake <br />yard, however the hardcover associated with the walls is excluded from the site hardcover <br />totals. Hardcover of the site, with the proposed improvements, will be below 25%. <br />