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All new ovcrstory trees shall be balled and burlapped or moved from the growing site by tree <br />spade. Deciduous trees shall have a minimum caliper oflVi inches. Coniferous trees shall be a <br />minimum of si.x feet in height. Ornamental trees shall have a minimum caliper of 1 '/z inches. <br />All site areas not covered by buildings, sidewalks, parking lots, driveways, trails, patios, or <br />similar hardsurface materials shall be covered with sod or an equivalent ground cover approved <br />by the city. This requirement shall not apply to site areas retained in a natural state. <br />A sprinkler system shall be installed in new landscaping areas. <br />Not more than 50 percent of the required number of trees shall be composed of one species. The <br />City shall maintain a list of prohibited species which shall not be used for landscaping. <br />2. Interior Parking Lot Landscaping. <br />All paiking lots containing over stalls shall be designed to incorporate unpaved. <br />landscaped islands in number and dimension as required by the City. All landscape islands shall <br />contain a minimum of 180 square feet. Islands which are necessary’ to promote the safe and <br />efficient flow of traffic shall not be subject to the stall" standard and shall be <br />required by the city when warranted. <br />Parking lot landscape arejB, including landscape islands, shall be reasonably distributed <br />tliroughoui ihe parking lot area so as to break up expanses of paved areas. .Parking lot landscape <br />areas shall be provided with deciduous shade trees, omamerital or evergreen trees, plus ground <br />8 <br />____