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FILE # LA23-000062 <br />15 April 2024 <br />Page 2 of 5 <br /> <br /> <br /> <br />The applicant was directed by the Planning Commission to provide the following information: <br /> <br />Requirement Response <br />A structural analysis and statement from a licensed <br />professional commenting on the pre-existing slope <br />and wall stability. Additionally, provide a statement <br />from a licensed professional stating the proposed <br />replacement walls are the minimum (number, height, <br />location, etc.) necessary to support and stabilize the <br />slope. <br /> <br /> Thomas Bloom (Advance Surveying & <br />Engineering), provided this statement on the <br />survey (attached as Exhibit A): <br /> <br />“PROPOSED RETAINING WALLS FOLLOW THE <br />SAME GENERAL LAYOUT AS EXISTING RETAINING <br />WALLS. EXISTING DRY-STACKED STONE WALLS ARE <br />FAILING AND IN NEED OF REPLACEMENT. AREAS <br />BETWEEN NEW WALLS ARE PROPOSED WITH <br />PLANTINGS TO HELP WITH SCREENING OF WALLS.” <br /> <br />Construction plans from a licensed professional <br />providing the required level of detail, i.e. materials, <br />cross sections, top and bottom wall elevations for all <br />walls, as well as a detailed site plan. <br /> <br /> This has been provided. <br /> See Criterium & Schimnowski retaining wall plan <br />attached as Exhibit B <br />A revised landscape plan that includes a mix of mid- <br />height, deep-rooted perennials, native shrubs, and <br />native coniferous and deciduous trees to provide a <br />natural-looking, year-round screening of the <br />proposed walls and the mass of the home. Your plan <br />should identify the number, status (living, dead, etc.), <br />species, and size of the trees removed, and the <br />species, size, and location of the required <br />replacement tree(s). <br /> <br /> This has been provided. <br /> See the Landscape Plan by Landscapes Unlimited, <br />attached as Exhibit C <br /> <br />Section 78-1680 and 78-1700 – Hardcover Calculations: <br /> <br />Stormwater <br />Overlay District <br />Tier <br />Total Area in <br />Zone <br />Allowed <br />Hardcover <br />Pre-Demo/ <br />Existing <br />Hardcover <br />Proposed <br />Hardcover <br />Tier 1 22,5925 s.f. 5,648 s.f. <br />(25 %) <br />7,755 s.f. <br />(34.33%) <br />7,090 s.f. <br />(31.4%) <br /> <br />Applicable Regulation: Conditional Use Permit Analysis Revised (Sections 78-1279 and 78-916) <br /> <br />Section 78-1279(3)(c) states that a wall within a defined bluff and bluff setback; and/or a <br />replacement wall 4 feet in height or greater; and/or any new walls shall require a conditional use <br />permit. New walls and replacement walls greater than 4 feet in height must meet the following <br />conditions. The wall must be: <br />1. Designed to correct an established erosion problem; the applicant has indicated that the <br />new walls were necessary to preserve the lake slope due to the existing wall failure and <br />neglect over time. This criterion is met; and <br />134