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City of Arden Hills Planning Commission Meeting for February 7, 2018 P:\Planning\Planning Cases\2017\PC 17-029 - 3685 New Brighton Road Preliminary and Final Plat and Easement Vacation\Memos_Reports_17-029 Page 8 of 15 District allows for an FAR of up to 30 percent for residential structures. The FAR of the new residential dwellings would be verified at the time Building Permit applications are submitted. Section 1325 – General Regulations A. Accessory Structures No accessory structures are proposed to be constructed on Lots 1 or 2 as part of this application. Future homeowners who choose to construct accessory structures will be required to do so in accordance with the requirements of the Zoning Code. There are two existing accessory structures on Lot 3. Both structures would meet the side and rear yard setback requirement of 10 feet. The maximum number of accessory structures permitted on a residential lot is two and no additional accessory structures would be allowed on Lot 3. B. Tree Preservation The Zoning Code requires that a Tree Preservation Plan be submitted as part of an application for a plat. The development plan set includes a Tree Preservation Plan and a replacement Landscape Plan (Attachment D). The survey indicates there are 81 trees on the site. Nine of these trees are damages or diseased and are not counted as significant trees. Of the remaining 72 significant trees, 22 would be removed for the development. The majority (18) of the removed trees would be on the proposed Lot 1 to accommodate the building pad site and two stormwater basins. Four significant trees would be removed from the proposed Lot 2 and no significant trees would be taken down on Lot 3. The 22 significant trees that would be removed total 544 caliper inches. The required mitigation for this removal is 193 caliper inches of new tree plantings. The Landscape Plan includes 30 new trees including 21 evergreen trees, 3 Red Oaks, and 6 Swamp White Oaks. The total number of replacement caliper inches would be 92.5 for a deficiency of 101 caliper inches. Caliper Inches Number of Trees Total Existing Significant Trees 1,567 72 10% Permitted Removal 157 -- Proposed Removal 544 22 Trees Preserved 1,037 50 Replacement Trees Required* 193.5 -- Replacement Trees Proposed 92.5 30 Replacement Deficiency 101 -- * Replacement trees are calculated by subtracting the ten percent permitted removal from the proposed removal and dividing by two.