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<br />Tree Preservation Ordinance <br /> <br />1305.04 Definitions. <br /> <br />Critical Root Zone. The minimum area around a tree that should remain undisturbed. To <br />calculate the critical root zone. measure the tree's caliper inches. For each caliper inch of tree. <br />1.5 feet of root radius must be protected. For example. if a tree's is 10 caliper inches. then its <br />critical root radius is 15 feet (10 x 1.5 = 15). The critical root zone is 30 feet. <br /> <br /> <br />Caliper Inches. The diameter of a tree measured at 4.5 feet above the oround. <br /> <br />Sionificant Tree. A tree that is important to the site and the neiohborhood character. that is <br />structurally sound and healthv. and that meets at least one of the followino standards: <br /> <br />a. A deciduous hardwood tree that is at least ten (10) caliper inches. includino but not <br />limited to. ironwood. catalpa. oak. hard maple. walnut. hickorv. birch. black cherrv. <br />hackberrv. locust and basswood. <br /> <br />b. A deciduous softwood tree that is at least twelve (12) caliper inches. includino but not <br />limited to. cottonwood. poplars/aspen. box elder. willow. silver maple and elm. <br /> <br />c. A coniferous everoreen tree havino foliaoe on the outermost portion of the branches <br />year~round and which is at least fifteen (15) feet or more in heioht. <br /> <br />d. A oroup of deciduous trees that are at least eioht (8) caliper inches or coniferous <br />trees that are at least fifteen (15) feet in heioht. that provide a buffer or screeninG <br />alono an adiacent public street or between differino land uses. <br /> <br />1325.055 Tree Preservation. <br /> <br />}. reasonable atleETpt shall be made 10 pr-oleet aad preserve existing trees and ineoTj'lorate <br />them illto the 18.I'ldseape plan. <br /> <br />Subd. 1 Findinos. Purpose and Citv Authoritv. <br /> <br />A. Findinos and Purpose. The purpose of this section is to identify trees <br />that are to be saved when development or land disturbino activity is <br />occurrino. It is the City's intent to protect. preserve. and enhance the <br />natural environment of Arden Hills and to encouraoe a resourceful and <br />prudent approach to development. The city council finds it is in the best <br />interest of the city to protect. preserve. and enhance the natural <br />environment of the communitv and to encouraoe a resourceful and prudent <br />approach to development and property alteration. In the interest of <br />achievino these obiectives. the city has established the comprehensive <br />tree preservation reoulations herein to promote the furtherance of the <br />followino: <br /> <br />1. Protect and preserve the environment and natural beautv of the <br />Citv: <br /> <br />2. Minimize tree and habitat loss durino development and <br />construction: <br /> <br />3. Establish minimum standards for tree preservation and the <br />mitioation of environmental impacts resultino from tree removal: <br /> <br />Proposed - March 19, 2008 <br /> <br />I <br />