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<br />ITB 24-06-02 CITYWIDE LANDSCAPING SERVICES 44 <br /> <br />CITY OF SUNNY ISLES BEACH <br />18070 Collins Ave. | Sunny Isles Beach, FL 33160 <br />305.792.1707 | sibfl.net | Purchasing@sibfl.net <br />manner such that turf damage does not occur. Aerial spraying of trees, with the exception of <br />Royal and Date Palms, is prohibited (unless otherwise directed by the City). Any spraying on top <br />of palms must occur between the hours of 1:00 AM and 3:00 AM. Contractor must coordinate <br />with project manager prior to spraying, with at minimum 5 days notice. Avoid spraying when <br />residents are active. <br /> <br />Fertilizer and insect/disease control materials shall be applied at the rates established by <br />accepted horticultural standards, manufacturer’s recommendations, by certified specialists, <br />and as approved by City. Contractor shall provide a list of suppliers for the fertilizer / insect <br />control materials including MSDS (Material Safety Data Sheets) for approval by the City. Review <br />by the City’s Project Manager(s) or Consultant shall not be deemed to be an approval that is <br />contrary to any other applicable law or regulation. The Contractor shall apply additional <br />fertilizer or soil amendments as needed to keep lawn and plants in a healthy, green, weed free <br />and nutrient rich condition, at no additional charge. Applications of fertilizer shall proceed <br />continuously once begun until all areas have been completed. The following fertilization <br />schedule outlines a minimum of applications. Changes in fertilization rates, methods and <br />composition must be approved by the City’s Project Manager(s) in writing. <br /> <br />3.7.1 LAWN (St. Augustine) <br /> <br />Apply a minimum of three applications per year in April, July, and October. In <br />deficient areas determined by the City Project Manager, fertilize four applications <br />per year at quarterly intervals in February, May, August, and November until <br />revitalized. Lawn fertilizer shall be in liquid form and have a 3-1-2, 4-1-3 (ie; 12- <br />6-8 or 16-4-8) or similar ratio of N, P, and K with at least 50% of the nitrogen in <br />the water soluble, slow-release form. Fertilizer mix shall also contain iron (at least <br />0.5%) and other micronutrients such as magnesium, manganese, and zinc. A <br />lower nitrogen product can be used during the summer months so as not to <br />substantially increase growth rates. “Weed and Feed” products containing <br />Atrazine herbicide may be used in cooler months. Products should be applied at <br />the rate of 1 pound of actual nitrogen per 1,000 square feet of lawn area. <br />Contractor is responsible to follow manufacturer’s recommendations for <br />fertilization rates and quantities. <br /> <br />3.7.2 TREES <br /> <br />Apply two applications per year in spring and fall of granular fertilizer or <br />approved equal unless soil conditions or plant species dictate differently. Apply ½ <br />pound per foot of canopy diameter or ½ pound per inch of trunk diameter at <br />breast height, not to exceed 8 to 10 pounds per tree. Contractor is responsible to <br />follow manufacturer’s recommendations for fertilization rates and quantities. <br />N-P-K values of fertilizer are recommended 8-2-12, 12-4-8, 15-5-15 or other <br />approved as appropriate per species. All trees under 5” Caliper to receive three <br />applications of fertilizer, once each in the following months: April, July, October <br /> <br />3.7.3 SHRUBS AND GROUNDCOVER <br />