ORD 2245 - Laserfiche WebLink

Ordinance No.2245 Page 32 of 34 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. 123. 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 hand saw. 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. 124. 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. 125. 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. 126. 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 work order." OPERATIONS SERVICES DEPARTMENT — ENVIRONMENTAL SERVICES/UTILITIES DIVISION —925-931-5500 127. SEWER LINE: The sewer line shall be private from the new manhole on Stoneridge Mall Road into the development. Prior to building permit submittal, the project plans shall be revised to reflect this requirement. 128. BACKFLOW PREVENTION ASSEMBLIES: Backflow preventer assemblies shall be designed and installed in accordance with current City Standards 704, 705, 706; State Health and Safety Code; Title 17; and as required by the Director of Operations and Water Utilities.