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3.H PROTECTION OF TREES. <br />Special care must be exercised and protective measures utilized when work within the public way <br />impacts the critical root zone of street trees and those trees designated for protection in a natural <br />resource protection area as described in section 2.D.2 of this manual. No root over 2 inches in <br />diameter of such trees shall be cut without the approval of the Urban Forester. Utility lines shall be <br />installed and maintained by tunneling under roots within the critical root zone whenever possible. <br />Alternatively, hand-digging around roots or using other non-destructive methods of excavation, such <br />as an air spade or vacuum excavation, are acceptable methods of preventing damage while working <br />within the critical root zone. <br />Protective fencing shall be required around street trees and other designated trees to protect the area <br />of the critical root zone outside of the immediate excavation area but within the work zone. See <br />Standard Specifications 221A.1- 221A.3 and City of Eugene Standard Tree Protection Drawing E- <br />97. Temporary placement or storage of construction materials, equipment, tools, or soil shall not <br />occur within the critical root zone of street trees. The soil within the critical root zone of street trees <br />shall be protected from rutting or compaction damage from construction equipment, such as tires or <br />outriggers. No construction debris or waste, solid or liquid (such as brick dust, mortar, concrete <br />washing, etc.) shall be permitted within the critical root zone of street trees. Reasonable care shall <br />betaken to avoid damage to tree foliage from exhaust stacks or construction equipment. <br />Except for pruning necessary to protect EWEB lines or crews performing emergency work or line <br />clearance maintenance work required by state regulations, no person shall prune a tree growing <br />within the publicright-of--way in a manner not in compliance withANSI A-300, American National <br />Standard for Tree Care Operations -Tree, Shrub and Other Woody Plant Maintenance -Standard <br />Practices. All operations shall also comply with ANSI Z-133.1, American National Standard for <br />Tree Care Operations -Pruning, Trimming, Repairing, Maintaining, and Removing Trees, and <br />Cutting Brush -Safety Requirements. A permit shall be required when pruning limbs 2 inches or <br />greater in diameter. <br />3.I EROSION PREVENTION, SITE RESTORATION AND CLEANUP. <br />Erosion prevention measures shall be incorporated into all work performed under aright-of--way <br />permit in compliance with EC 6.630(2) and Administrative Rule R-6.645. The intent of those <br />provisions is to ensure that construction related activities prevent or minimize erosion, sedimenta- <br />tion, and other stormwater related problems. No person shall engage in any construction related <br />activity in a manner that can potentially impact water quality. All persons shall prevent and/or <br />control erosion, sedimentation, and other construction related impacts to stormwater quality in a <br />manner designed to meet the outcomes specified in R-6.645 (D). Failure to implement measures that <br />meet those outcomes shall subj ect the person to any or all of the following: stop-work order; citation <br />for violation; administrative compliance order; and, civil penalties. <br />Utility & R/W Permit Manual <br />Exhibit A - 37 <br />C:\WINDOWS\Temporary Internet Files\OLI{B202\03rowrlexa.wpd -Manual (03ROWR~1).WPD(I1/07/03) <br />