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In the event that trees are damaged when a City Arborist is not on-site, the <br />Contractor shall stop Work which may result in further damage to trees and make <br />a request for a City Arborist to the Inspector. All Work which may further damage <br />trees shall be stopped until a City Arborist can make on-site mitigation <br />recommendations and provide on-site Work if needed. <br />00310.92 <br />Any tree within the project limits damaged by the Contractor due to negligence <br />shall be evaluated by a City Arborist. If that evaluation determines that the action <br />will cause death or substantial damage, the Contractor shall be required to pay <br />the City an amount sufficient to fund the planting and establishment by the City of <br />a tree of similar value. The value of the existing street tree shall be calculated <br />using the plant appraisal method established by the Council of Tree and <br />Landscape Appraisers. Tree damage such as trunk scoring or broken limbs or <br />damaged roots inside the Critical Root Zone will be assessed according to the <br />percentage of loss of tree value per City of Eugene Code <br />Separate Item Basis <br />(DELETE) Pay Item <br />Unit of Measurement <br />(a) Removal of Pipes .................................:.........:..Foot <br />(ADD) Pay Item <br />Unit of Measurement <br />(g) Removal of Catch Basins Each <br />00445.91 Payment <br />(ADD). Under "No separate of additional payment will be made for;" <br />• Aggregate Base <br />00470.19 Catch Basin Traps <br />(ADD) Catch basin traps shall be made of LDPE or HOPE and shall be "Compact Catch <br />Basin Elbows" by Zymark Inc., telephone (503) 872-9242, or an approved equal. <br />Catch basin traps shall be installed per manufacturer's specifications, and/or as <br />directed by the Engineer. The Contractor shall field verify the size of catch basin <br />storm drain pipes where catch basin traps are to be installed. <br />00470.80 General <br />(ADD) Catch basin traps shall be measured on a unit basis for each catch basin trap <br />installed and accepted.' <br />00470.90 Payment <br />(ADD) Pay Item <br />Unit of Measurement <br />(m) Catch Basin Trap ..................................Each <br />Special Provisions - Job #4674 Page 5 <br />