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L21.5.6. Requirements: Date Palm pest control contractor must be a State of Florida licensed pest control operator with a minimum of five years of experience in this type of work. It shall be the Contractors' obligation to perform regular monthly inspections of the palms and report to the City any site condition which may be detrimental to the health and vitality of the palms. Further, the Contractor is responsible to report disease or other problems along with recommended solutions. These reports are to be written and should be received by the City no later than ten days after each inspection. It is required that the City be notified in advance of planned activities in order to allow them to witness and record the applications. L22. Inspect and disease activity, other than Date Palms, will be treated on an "as-needed" basis upon inspection. Required service calls between scheduled maintenance will be at Contractor's expense. L23. All herbicide applications will be applied only by a State of Florida and Dade County licensed pesticide applicator. Proof of license must be supplied to City prior to start of work. L24. Weed Control: Maintain all tree and shrub beds in a weed free condition by hand pulling or chemical control, at each maintenance visit. For trees and palms within lawn area, spray area 2" away from trunk with Round-up by Monsanto Manufacturing Company. Do not spray tree leaves, suckers, or open wounds. Do not use weed-eater or string trimmers for trees and palms within lawn area in order to avoid trunk damage. No green weeds shall be visible in any landscape beds on the final day of each month. L25. All weeds that appear within sidewalk or curbing expansion joints are to be continually controlled through the use of herbicide. L26. Preventive spraying for insect control shall adhere to the following guidelines. L26.1 Lawn: Spray all lawn and athletic field areas as required, for control of all chinch bugs, army worms, sod webworm, fungus, fire ants, and other pests. Spraying shall be accomplished (at Contractor's expense) by State of Florida and Dade County licensed pesticide control company, using Integrated Pest Management Principles. L26.2 Shrubs: Spray shrubs and ground cover (excluding bougainvillea), as needed, with insecticide. Follow manufacturer's instructions for application, using Integrated Pest Management Principles. L26.3. OTC (Lethal Yellowing) injections: Upon evidence of lethal yellowing, immediately begin (4) gram injection, per palm, of OTC tree injection formula (Tree Saver Inc. or equal). Follow manufacturers recommendations re: injection method and frequency. L26.4. Red Eye Royal Palm Bug: Upon evidence of deterioration of the head of the palm, begin a 5 gallon per palm soil drench with Merrit soil drench. Perform a second soil drench within 21 days. Follow manufacturers' recommendations re: installation methods. L26.5. In some heavy infestations, a foliar application of Cygon is recommended for immediate results. Drench head of palm until runoff occurs and repeat foliar spray within 21 days. NOTWITHSTANDING ANY LANGUAGE IN THIS CONTRACT, ALL CHEMICAL APPLICATIONS SHALL REQUIRE WRITTEN APPROVAL BY CITY PRIOR TO APPLICATION. CONTRACTOR SHALL SUBMIT YEARLY, QUARTERLY, AND MONTHLY CALENDARS FOR APPROVAL PURPOSES RELATING TO CHEMICAL APPLICATIONS AND LOCATIONS. L27. All mowers must be rotary mowers with a maximum of a 72" cut. They shall be adjusted to 2 PAGE 56 OF 92 BID No. 07-10-04