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City of Sunny Isles Beach |Request for Proposal No. 12-05-01 20A of all components to insure a continually efficient irrigation system. This includes the adjustment of the controllers to insure the correct amount of precipitation necessary for viable vegetative growth, always following any South Florida Water Ma nagement District drought guidelines. Contractor is to perform monthly wet tests, to verify viability of system, on the last Wednesday of each month. On the first day of each month report to City, in writing, indicating proper operation of each zone, required repairs, additional costs and updated run time per zone. Contractor shall ensure that all irrigation systems have 100% coverage with 50% overlap. 3.5 PESTICIDES AND FERTILIZERS Any item dealing specifically with pesticides and fertilizers shall be reviewed by the vendor in accordance to the specifications made part of this RFP. Vendor shall apply fertilizers and insecticides in accordance with the specifications and at a rate required to ensure that the landscaping and lawn areas are healthy and vigorous. Failure by the vendor to provide adequate fertilizer and/or insecticide shall constitute a failure to properly maintain landscaping. Resulting foliage or landscaping damage occasioned by such failure, as determined by the City, shall be replaced immediately by the vendor at no cost to the City. Aerial spraying of trees, with the exception of Royal Palms, is prohibited (Unless otherwise directed by the City). Fertilizer and insect/disease control materials shall be applied at the rates established by accepted horticultural standards, manufacturer’s recommendations, by certified specialists, and as approved by City. Contractor shall provide a list of suppliers for the fertilizer / insect control materials for approval by the City. 3.5.1 LAWN For control of fire ants, use Award Fire Ant Killer. Follow manufacturer’s instructions for applications amounts and rates. February Apply granular 20-0-20 with Atrazine or approved equal; St. Augustine ‘Floratam’ Sod and ‘Argentine’ Bahia Sod. May Apply liquid 16-4-8 with micro-nutrients and Telstar or equal insect control. September Apply liquid 16-4-8 with micro-nutrients and Telstar or equal insect control. December Apply granular 20-0-10 with Atrazine. The Spring thru Fall Application rates for lawn areas will vary according to weather and environmental conditions, but typically average 75 granular pounds per 1000 sq. ft. 3.5.2 TREES Three applications per year of 13-3-13 granular fertilizer or approved equal. 3.5.3 SHRUBS AND GROUNDCOVER