ORD 2283 - Laserfiche WebLink

Ordinance No. 2283 Page 16 of 17 Information and details shall be included in the landscape plan submittal for review and approval by the Landscape Architecture Division. 74. 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. 75. 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." 76. PROJECT PLANS: The following statements shall be printed on the demolition, grading and landscape plans where applicable to the satisfaction of the City Landscape Architect prior to issuance of building permits: e. No existing tree may be trimmed or pruned without prior approval by the City Landscape Architect. f. Utilize best efforts to locate any new utility trenches outside of the existing canopy of the trees to be saved. If this is not feasible, the applicant shall submit a report from a certified arborist acceptable to the City indicating trenching will not be detrimental to the health of the tree. g. Nothing may be stored within the dripline of the tree canopies. This includes equipment, oil, gas, chemicals, harmful materials, fill or storage. h. No oil, gasoline, chemicals, or other harmful materials shall be deposited or disposed within the dripline of the trees or in drainage channels, swales, or areas that may lead to the dripline. i. No sign, wires, or ropes shall be attached to the trees. j. No stockpiling/storage of construction materials, fill, etc., shall take place underneath or within 5 -feet of the dripline of the existing trees. k. No equipment or temporary structures shall be placed within or beneath the dripline of the existing trees. Failure to comply with these requirements may result in a "stop work order". OPERATIONS SERVICES DEPARTMENT — ENVIRONMENTAL SERVICES/UTILITIES DIVISION — 925-931-5500 77. 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. All backflow preventer assemblies shall be tested and certified by a City approved tester with the certification submitted to the City's contractor, Aqua Backflow. Testing will be performed at the time City water is turned on to the site. If an existing backflow preventer is on the site it shall be tested and certified by an approved tester with the certification submitted to the City's contractor, Aqua Backflow, before project water is drawn through it. An all-weather cover shall be placed over all backflow prevention assemblies 4 inch and smaller.