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trimming, setting up tree protection, etc.). The bond or security may be released early <br /> with a certification letter by the arborist confirming he/she was present during said tree <br /> work and work was performed in accordance with the arborist's recommendations. <br /> 80. ROOT CUTTING: The applicant shall comply with the following tree root cutting <br /> requirements: <br /> a. Roots 1-inch in diameter or larger to be removed shall be cleanly cut with a hand <br /> saw. Roots smaller than 1-inch in diameter are not considered to be significant <br /> and may be removed by the most efficient means. <br /> b. Roots larger than 2-inches in diameter and within 8-feet of the tree trunk shall not <br /> be cut or ground unless prior approval has been received from the Landscape <br /> Architecture Division. <br /> c. Roots of any diameter farther than 8-feet from the tree trunk, which are in conflict <br /> with the proposed work may be ground a maximum of one-half of their diameter. <br /> Work of this nature shall only be performed using a mechanical stump grinder and <br /> only by personnel familiar with its operation. <br /> d. Roots up to 6-inches in diameter and farther than 8-feet from the tree trunk may be <br /> removed if they are in conflict with the proposed work. Roots that are removed <br /> shall be cleanly cut using a hand saw. <br /> 81. ROOT CONTROL BARRIER: The applicant shall provide root control barriers and 4-inch <br /> perforated pipe for all trees located within 8-feet of pavement or other hardscape, <br /> determined by the City Landscape Architect. Root barriers shall be located along the <br /> edge of the pavement wherever the tree is within 8-feet of pavement or hardscape. <br /> Information and details shall be included in the landscape plan submittal for review and <br /> approval by the Landscape Architecture Division. <br /> 82. TREE PRUNING: Pruning shall be conducted by a certified arborist familiar with the <br /> International Society of Arboriculture (ISA) pruning guidelines and shall comply with the <br /> guidelines established by the ISA, Tree Pruning Guidelines, current edition, to maintain <br /> the health of the trees. <br /> 83. TREE PROTECTION FENCING: Prior to issuance of a grading or building permit, the <br /> applicant shall install temporary 6-foot tall chain-link fencing (or other fence type <br /> acceptable to the Landscape Architecture Division) outside of the existing tree drip lines. <br /> The location of the tree protection fencing shall be shown on the demolition plans (if <br /> applicable), grading, building, and/or landscape plans. The fencing shall remain in place <br /> until final landscape inspection by the Landscape Architecture Division. Removal of such <br /> fencing prior to approval may result in a "stop work order." <br /> 84. PROJECT PLANS: The following statements shall be printed on the demolition, grading <br /> and landscape plans where applicable to the satisfaction of the City Landscape Architect <br /> prior to issuance of building permits: <br /> a. No existing tree may be trimmed or pruned without prior approval by the City <br /> Landscape Architect. <br /> b. Utilize best efforts to locate any new utility trenches outside of the existing canopy <br /> of the trees to be saved. If this is not feasible, the applicant shall submit a report <br /> P21-0076 & PUD-141 Planning Commission <br /> Page 14 of 16 <br /> Planning Commission <br /> Page 13 of 16 <br />ive map, preliminary title report(s), adjoining deeds, <br /> P21-0076 & PUD-141 Planning Commission <br /> Page 9 of 16 <br /> Page 7 of 16 <br />or to submittal of the map for the Director of Engineering/City Engineer's <br /> signature. <br /> PUD-140 & P21-0079 Planning Commission <br /> Page 9 of 15 <br />