25C - LANDSCAPE MAINTENANCE - Laserfiche WebLink

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be maintained to keep the natural integrity and shapes of the trees. Pruning shall be accomplished in a manner that will ensure that each individual tree is Class I pruned as set forth in the City of San#a Ana Tree Pruning/trimming acid Stump Removal Specifications {see Attachment 8}. In addition, the Director may require the Contractor to remove or prevent encroachment of trees into the public right of way where the tree blocks vision or is considered undesirable. Low branches overhanging sidewalks shall be trimmed to a height of nine (4} feet above finish grade. Young trees needing pruning/trimming, training, and shaping to develop caliper and a strong structural fiamework may have low branching laterals and or appropriate sucker growth. b) Staking, Tying and Guying All trees requiring staking shall be securely staked at all times with stakes and rubber cinch ties approved by the Director. Rubber hoses and wire are not permitted #ies. All stakes shall be set perpendicular to prevailing winds unless designated otherwise by the Director. Tree stakes shall also be set a consistent distance away from the trunk of the tree (minimum six (6} inches) to reduce abrasion and cell elongation. The tops of all tree stakes shall be removed approximately three (3) inches above the highest tie to reduce abrasion of main or lateral branches of the tree. c) Mulching of Bare Areas In designated tree zing areas where bare soil is visible the Contractor shall apply Aguinaga Black Forest Floor Mulch or approved equal size 0" to 1 I/s", thick minimum every other month starting in January during the third week as necessary to maintain uniform and complete coverage. Mulch is to be maintained within its boundaries. d) Fertilization {1) Cycad and Palms shall be fertilized two (2) times per year in March and September with Nutricote I3-5-11 total 3-stage controlled release palm fertilizer at the manufacturer's recommended rate. e} Hazardous Tree Renortina In the event the Contractor detec#s any tree displaying roots heaving or girdling (eithez• by roots or a foreign material), leaning, broken oz hanging limbs, or if Contractor determines that potential safety hazard may exist Contrac#ox shad notify the Director by phone within twenty-four {24) hours. fl Loss of Trees The Contractor shall be responsible for the complete removal and replacement of any and all trees lost due to the Contractor's failure to perform under this agzeement. Failure to perform includes but is not limited #o, girdling trees with string trimmers or tree ties, improper planting of new trees, improper pruning/trimming techniques which disfigure or destroy the trees natural integrity and shape, or failure to detect and prevent treatable diseases and insect infestations. 25C-101