ITB 24-06-02 CITYWIDE LANDSCAPE MAINTENANCE SERVICES (4)

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ITB 24-06-02 CITYWIDE LANDSCAPING SERVICES 51 CITY OF SUNNY ISLES BEACH 18070 Collins Ave. | Sunny Isles Beach, FL 33160 305.792.1707 | sibfl.net | Purchasing@sibfl.net care operations. If it is determined by the City that the landscape maintenance personnel responsible for the maintenance allows weed infestations to spread beyond the ability to control them, then the removal, treatment, and replacement of the planting bed shall be done at no cost to the City. Soil which exhibits significant weed growth within one (1) month after planting, (20% ground coverage of the bed by weeds) shall be considered as previously weed infested. 3.10 TREE & PALM MAINTENANCE All pruning shall be in accordance with the American National Standards Institute ANSI A-300 standards and practices. Tree maintenance must be under the direct supervision of an ISA certified arborist. A tree maintenance schedule developed by an ISA certified arborist shall be provided to the City in writing within (14) days after award of contract as part of the Maintenance and Service Plan. An ISA certified arborist must perform tree health inspections and tree maintenance recommendations quarterly. These quarterly inspections shall be attended by City Project Manager and a written report of findings with photographs of any deficiencies found to be submitted to the City. All work shall be performed by workers trained in accordance with ANSI Z133.1 safety regulations as required by OSHA. Maintain integrity of original design when trimming. Cuts shall be made with sharp and proper tools. On trees or palms known to be diseased, disinfect tools after each cut and between trees. Prune only at the time of season proper for the variety. Pruning of trees and palms shall only take place after submission of reports and receiving approval from the City. All tree, palm and shrub pruning are included in this Contract. The Contractor shall maintain integrity of original design when trimming and shall not box plants whose habits of growth do not lend themselves to this type of trimming. The Contractor shall not use a machete for trimming and no plant material shall be trimmed using weed eaters. The contractor shall haul away all trimming debris from site, and properly dispose of at Contractor’s expense. The Contractor’s ISA certified arborist is responsible to analyze and identify all plant healthcare issues. If a plant is in decline, the Contractor is responsible to take the necessary samples (ie: tissue, soil, etc.) to the reputable lab UF/IFAS, to insure accurate diagnosis and treatment. 3.10.1 TREES Prune, thin, and trim all trees once per year, to keep the trees healthy, to maintain the natural character of the variety, to control shape and to prevent crowding. Pruning shall consist of the removal of dead, broken, fungus infected, superfluous and intertwining branches, vines, “V” crotches with included bark,and the removal of dead or decaying stumps and other undesirable growth. Selectively prune all mature trees over 20’ height and adjacent to walks and vehicular areas to a minimum of 12’ of clear trunk, and maintain minimum of 8’ clear trunk for all other trees in accordance with Tree Care Industry Association and Miami-Dade County standards and practices. Remove sprouts or stems to maintain single trunk on single-trunk trees, as needed. Contractor must be responsible for the removal of water-sprouts/suckers growing from trees in areas where landscape maintenance is being conducted, up to the height of 8 feet, as needed. No pruning will be done immediately following growth flushes, branches will be pruned just outside the branch collar, and pruning paint will not be applied. Sucker growth will be removed as needed by hand from the base of trees and no herbicide will be used for this