trri f,9 2 q' b7.• <br /> 7. Tree Protection. Trees shall be protected during the establishment period by the use <br /> of the following measures: <br /> 7.1 Installation of bark mulch in the drip line, which is the area directly below the <br /> 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 area <br /> 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 with <br /> 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 /> 7.5.1 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 orange <br /> 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 construction <br /> is completed. <br /> R 7.280 - F Procedure for Planting and Establishment of Trees by City. <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 one - time fee established <br /> by the City Manager pursuant to section 2.020 of the Eugene Code, 1971, that is equal to the total <br /> cost to the City for [off the purchase, installation, and establishment of the required street trees. The <br /> fees shall be computed in accordance with Subsection 2 of this Section. The fee established by the <br /> City and paid by applicant does not equal a `per tree" cost nor obligate the City to plant a specific <br /> number of trees. The City fulfills its obligation under the agreement by planting trees in <br /> Street Tree Plan <br /> H : \02StreetTreePlan- FullRules.wpd <br />