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01-10-18 PC
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<br />City of Arden Hills <br />Planning Commission Meeting for January 10, 2018 <br />P:\Planning\Planning Cases\2017\PC 17-029 - 3685 New Brighton Road Preliminary and Final Plat and Easement <br />Vacation\Memos_Reports_17-029 <br />Page 8 of 14 <br />B. Tree Preservation <br /> <br />The Zoning Code requires that a Tree Preservation Plan be submitted as part of an application for <br />a plat. The development plan set includes a Tree Preservation Plan and a replacement Landscape <br />Plan (Attachment D). The survey indicates there are 81 trees on the site. Nine of these trees are <br />damages or diseased and are not counted as significant trees. Of the remaining 72 significant <br />trees, 22 would be removed for the development. The majority (18) of the removed trees would <br />be on the proposed Lot 1 to accommodate the building pad site and two stormwater basins. Four <br />significant trees would be removed from the proposed Lot 2 and no significant trees would be <br />taken down on Lot 3. <br /> <br />The 22 significant trees that would be removed total 544 caliper inches. The required mitigation <br />for this removal is 193 caliper inches of new tree plantings. The Landscape Plan includes 30 new <br />trees including 21 evergreen trees, 3 Rad Oaks, and 6 Swamp White Oaks. The total number of <br />replacement caliper inches would be 92.5 for a deficiency of 101 caliper inches. <br /> <br /> Caliper Inches Number of Trees <br />Total Existing Significant Trees 1,567 72 <br />10% Permitted Removal 157 -- <br />Proposed Removal 544 22 <br />Trees Preserved 1,037 50 <br />Replacement Trees Required* 193.5 -- <br />Replacement Trees Proposed 92.5 30 <br />Replacement Deficiency 101 -- <br /> * Replacement trees are calculated by subtracting the ten percent permitted <br />removal from the proposed removal and dividing by two. <br /> <br />The Zoning Code states that replacement trees are required to be planted on the same site from <br />which the significant trees are removed, unless the City determines that the number of <br />replacement trees required exceeds the number of trees that can practically fit on the site. The <br />City may require that the 101 caliper inches of additional trees be planted off-site, or a fee in lieu <br />of the off-site plantings may be collected. The fee amount is set as the cost of materials and <br />installation, plus 10 percent. <br /> <br />The applicant submitted a letter requesting that all Cottonwood trees on the site not be counted as <br />significant trees because they are a nuisance tree (Attachment G). Seven Cottonwood trees are <br />proposed to be removed on Lot 1. If Cottonwood trees were removed from the Tree Preservation <br />Plan, the required replacement tree amount would be 140 caliper inches and the deficiency <br />would be 47.5 caliper inches. <br /> <br />The Zoning Code includes the following definition for a significant tree: A tree that is important <br />to the site and the neighborhood character, that is structurally sound and healthy, and that meets <br />at least one of the following standards:
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