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f. All volunteer palm seedlings must be removed that are growing within the streets, parkways, or <br />setback dedicated areas. <br />1.10 UNACCEPTABLE PRUNING <br />The following procedures, or others that will result in tree decline, are not allowed (storm damage and <br />other extenuating circumstances exempted): <br />a. Severe cutting back of all growing tips usually referred to as topping, pollarding, or hat racking. <br />b. Flush cutting where a cut is made even with the surface of the trunk or limb, removing the branch <br />collar and branch bark ridge. <br />c. Stub cutting where branch removal results in the base of branch removed protruding more than <br />approximately one fourth (1/4) inch beyond the zone of branch collar and branch bark ridge. <br />d. Removal of a healthy main leader, for reasons other than power line clearance. <br />e. Excessive cutting or lifting that exceeds the International Society of Arboriculture or SAPRF <br />standards. <br />1.11 DAMAGE TO PUBLIC OR PRIVATE PROPERTY <br />Should any structure or property be damaged during the tree pruning operations, the persons conducting <br />the work shall immediately notify the proper owners and an authorized SAPRF representative. Repairs <br />to property damaged by the responsible party shall be made within forty -eight (48) hours, except utility <br />lines, which shall be repaired the same working day. Repairs on private property shall be made in <br />accordance with the appropriate building code under permits issued by the City of Santa Ana. Any <br />damage caused by the Contractors employees shall be repaired or restored by them at their expense to a <br />condition similar or equal to that existing before such damage or injury, or they shall repair such damage <br />in a manner acceptable to the City of Santa Ana and/or SAPRF. Special attention is drawn to sprinkler <br />systems in City landscapes and the need to avoid damage. All damage to irrigation systems shall be <br />repaired as soon as possible at Contractors expense. <br />1.12 WORK PERFORMED ON PRIVATE PROPERTY <br />No SAPRF contracted tree worker shall perform work upon private property without the written consent <br />of the property owner and an authorized SAPRF representative. <br />1.13 PUBLIC SAFETY AND COOPERATION <br />All tree work shall be conducted in a manner as to cause the least possible interference with, or <br />annoyance to others. Pedestrian and vehicular traffic shall be allowed to pass through the work areas <br />only under conditions of safety and with as little inconvenience and delay as possible. Unless the work <br />area is totally barricaded or otherwise kept safe, at least one worker shall serve to coordinate safe <br />operations on the ground at all times when work operations are in progress. <br />a. Whenever larger tree sections are being curt in a treetop, which may endanger persons or property, <br />such sections shall be secured by ropes and lowered safely to the ground in a controlled manner. <br />b. All fire hydrants, meter vaults, water and gas shut off valves, backflow devices, irrigation field <br />controllers and similar facilities must remain accessible during the course of work. <br />c. Noise levels, resulting from tree work operations, must be kept to a minimum at all times. All tree <br />Page 45 <br />