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City of Arden Hills <br />Chapter 13 Zoning Code <br />2. The amount of the bond or surety shall be 125% of the cost of <br />materials and installation. <br />3. The bond or surety shall be provided prior to the issuance of any <br />building or grading permits and shall be valid for, two full years, from <br />the date of installation, or three years in the case of an extended <br />timeline. <br />4. For any landscaping or screening that is not in accordance with the <br />approved landscaping plan at the end of two growing seasons, the <br />applicant shall replace the material to the satisfaction of the city before <br />the guarantee is released. Where this is not done, the city, at its sole <br />discretion, may use the proceeds of the performance guarantee to <br />accomplish performance. <br />F. Minimum Landscape Requirements. <br />1. Caliper Inches. The minimum caliper inches required per building <br />site shall relate to the gross square footage of all floors of a <br />building and the building height. A single story building in excess <br />of thirty (30) feet in height shall be considered a two-story building <br />for the purposes of determining gross square footage. Minimum <br />total caliper inches = <br />Gross Square Footage of all Floors of Building <br />320 <br />2. Tree Ratio. The minimum total caliper inches shall contain the <br />following minimum percentages of trees in various size ranges: <br />Building <br />Percentage <br />of Trees of Various <br />In Stories <br />2.0" - 3.0" <br />3.5" - 4.0" <br />4.5" - 6.0" <br />1-2 <br />50 % <br />30 % <br />20 % <br />3-4 <br />50 % <br />30 % <br />20 % <br />5 and over <br />30 % <br />50 % <br />20 % <br />3. Coniferous Tree Measurement. Coniferous trees may be <br />considered equivalent to the sizes shown by dividing the height of the <br />coniferous tree in feet by 2.4. <br />4. Minimum size at time of planting. <br />a. Two and one-half (2.5) caliper inches for deciduous trees. <br />b. Six (6) feet in height for coniferous trees. <br />Section 1320 & 1325 — Regarding Landscape Requirements <br />Adopted: April 28, 2008 <br />Page 21 of 31 <br />