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Floor Mulch or approved equal, ''/z" thick minimum quarterly (every third week <br />of January, April, July, and October) and as necessary to maintain uniform and <br />complete coverage. Mulch is to be removed and completely replaced with fresh <br />mulch every July. <br />d) Fertilization <br />The Contractor shall fertilize all shrub areas once per year (first week in April) <br />per the City's agronomic plan (Attachment 4). <br />5. Tree Care <br />a) Height/Quality of Pruning <br />In the first week of August of each year the Contractor shall routinely Class 1 <br />prune all trees up to a height of fifteen (15) feet. All trees within the scope of <br />work shall be maintained to keep the natural integrity and shapes of the trees. <br />Pruning shall be accomplished in a manner that will ensure that each individual <br />tree is Class I pruned as set forth in the City of Santa Ana Tree <br />Pruning/trimming and Stump Removal Specifications (see Attachment 3). In <br />addition, the Director may require the Contractor to remove or prevent <br />encroachment of trees into the public right of way where the tree blocks vision <br />or is considered undesirable. Low branches overhanging sidewalks shall be <br />trimmed to a height of nine (9) feet above finish grade. Young trees needing <br />pruning/trimming, training, and shaping to develop caliper and a strong <br />structural framework may have low branching laterals and or appropriate sucker <br />growth. Contractor shall remove hangers under 15" and fallen limbs 80 lbs. or <br />less. <br />b) Staking, Tying and Guying <br />All trees requiring staking shall be securely staked at all times with stakes and <br />rubber cinch ties approved by the Director. Rubber hoses and wire are not <br />permitted ties. All stakes shall be set perpendicular to prevailing winds unless <br />designated otherwise by the Director. Tree stakes shall also be set a consistent <br />distance away from the trunk of the tree (minimum six (6) inches) to reduce <br />abrasion and cell elongation. The tops of all tree stakes shall be removed <br />approximately three (3) inches above the highest tie to reduce abrasion of main <br />or lateral branches of the tree. <br />c) Mulching of Bare Areas <br />In designated tree ring areas where bare soil is visible the Contractor shall apply <br />Aguinaga Black Forest Floor Mulch or approved equal '/2" thick minimum <br />quarterly (every third week of January, April, July, and October) and as <br />necessary to maintain uniform and complete coverage. Mulch is to be removed <br />and completely replaced with fresh mulch every July. <br />21 <br />19C-23