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b. $1,000 credit for a 36 -inch box size replacement tree. 60. UTILITY TRENCH: The arborist report shall be updated to include a recommendation regarding the protection of trees 6 and 7, which have utility lines proposed beneath the dripline. If the arborist determines that the trees cannot be retained with the utility line locations as shown, then the applicant shall relocate the utilities or will be required to pay the value of the trees into the City's Urban Forestry Fund and will also require the permission to remove the trees as the trees are on the property line. Project Specific Condition. 61. TREE BOND: Trees 1-4 and 6-7 (if able to retain per above condition) must be protected per the Municipal Code. The applicant shall post cash, letter of credit, or other security satisfactory to the Director of Engineering/City Engineer. This bond or security will be for the value of the trees, $16,210, and shall be held for a minimum of 1 year following acceptance of public improvements or completion of construction, whichever is later, and shall be forfeited if the trees are destroyed or substantially damaged. An arborist shall be onsite during any tree work (i.e. root pruning, trimming, setting up tree protection, etc.). The bond or security may be released early with a certification letter by the arborist confirming he/she was present during said tree work and work was performed in accordance with the arborist's recommendations. Project Specific Condition. 62. ROOT CUTTING: The applicant shall comply with the following tree root cutting requirements: a. Roots 1 -inch in diameter or larger to be removed shall be cleanly cut with a handsaw. Roots smaller than 1 -inch in diameter are not considered to be significant and may be removed by the most efficient means. b. Roots larger than 2 -inches in diameter and within 8 -feet of the tree trunk shall not be cut or ground unless prior approval has been received from the Landscape Architecture Division. c. Roots of any diameter farther than 8 -feet from the tree trunk, which are in conflict with the proposed work may be ground a maximum of one-half of their diameter. Work of this nature shall only be performed using a mechanical stump grinder and only by personnel familiar with its operation. d. Roots up to 6 -inches in diameter and farther than 8 -feet from the tree trunk may be removed if they are in conflict with the proposed work. Roots that are removed shall be cleanly cut using a hand saw. 63. ROOT CONTROL BARRIER: The applicant shall provide root control barriers and 4 -inch perforated pipe for all trees located within 8 -feet of pavement or other hardscape, determined by the City Landscape Architect. Root barriers shall be located along the edge of the pavement wherever the tree is within 8 -feet of pavement or hardscape. Information and details shall be included in the landscape plan submittal for review and approval by the Landscape Architecture Division. 64. TREE PRUNING: Pruning shall be conducted by a certified arborist familiar with the International Society of Arboriculture (ISA) pruning guidelines and shall comply with the guidelines established by the ISA, Tree Pruning Guidelines, current edition, to maintain the health of the trees. 65. TREE PROTECTION FENCING: Prior to issuance of a grading or building permit, the applicant shall install temporary 6 -foot tall chain-link fencing (or other fence type acceptable to the Landscape Architecture Division) outside of the existing tree drip lines. The location of the tree protection fencing shall be shown on the demolition plans (if applicable), grading, building, and/or landscape plans. The fencing shall remain in place until final landscape inspection by the Landscape Architecture Division. Removal of such fencing prior to approval may result in a "stop P20-1053 City Council Page 9 of 10