7. Tree Protection. Trees shall be protected during the establishment period by the <br />use of the following measures: <br />7.1 Installation of bark mulch in the drip line, which is the area directly below <br />the tree's branches, 2-4 inches in depth and a minimum of 3 ft. x 3 ft. <br />7.2 No construction or human activity. shall take place within the tree's critical <br />root zone. <br />7.2.1 The critical root zone for trees 3" or smaller in caliper shall be an <br />area with a radius of at least. 3' from the trunk. <br />7.2.2 The critical root zone for trees over 3" in caliper shall. be an area <br />with a radius of at least 1`.5" from the trunk for every 1" of caliper size. <br />7.3 No soil grade changes shall take place within the critical root zone. <br />7,4 No .storage of material .shall be allowed within the critical root zone or <br />protected area of the tree. <br />7.5 If construction or landscaping has not been completed on the abutting <br />property, the following conditions shall also apply: ~ ~ ~, <br />7.5. i The .critical root zone or tree protection zone shall have a protective <br />fence installed at it's perimeter. <br />7.5.2 The protective fence shall be at least 4' in height and made of <br />orange plastic material or approved equivalent. <br />7.5.3 The protective fencing shall be installed prior to any <br />construction/landscaping activity around .the tree and be maintained in place during <br />the construction landscaping activities and removed only when the final <br />.construction is completed. <br />j <br />R-7.280-F Procedure for Planting and Establishment of Trees by Citv. <br />1. An applicant may enter. into an agreement with-the City wherein the City purchases, <br />installs and establishes the street trees and the applicant pays to the City a fee established by the <br />City Manager pursuant to section 2.020 of the Eugene Code, 1971, that is equal to the cost of the <br />purchase, installation, and establishment of the required street trees. The fees shall be computed <br />Administrative Order - 18 <br />