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of SUN Fr,_ Follow manufacturers' recommendations re: installation methods. 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. 3.6 TREE MAINTENANCE The Contractor shall lift all 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. When possible the Contractor shall trim shrubs and ground cover, as needed. On SR AlA (Collins Avenue) the Contractor shall trim shrubs and groundcover, as needed, to meet the criteria set forth in FDOT Index 546, which mandates a maximum height of 24" from top of adjacent curb. The contractor shall remove dead, dying and 'hanging" fronds from palms, as needed, for a clean appearance. Never remove fronds that do not hang below a line parallel to the ground. The hurricane or candle cut pruning of palms is not allowed, also the use of climbing spikes is not allowed. Fronds removed shall be severed close to the petiole base without damaging live trunk tissue. The Contractor shall Trim all Palms (frond and fruit removal) four times per year, selectively trim existing trees in accordance with Tree Care Industry Association and Dade County standards and practices, to maintain a minimum of 8 feet of clear trunk, and remove suckers, shoots, and dead or dying branches as needed. All tree, palm, and shrub pruning is included in this contract. When trimming Phoenix Dactilifera (Date Palm), the Contractor shall completely dip trimming utensils in a solution of 50% chlorine and 50% water prior to moving to adjacent palm. The Contractor shall not do major tree or shrub pruning between November 1St and March 15th, unless requested by City. 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. Using palm spikes to climb is not allowed. 3.6.1 HURRICANE SEASON Prior to hurricane season (May to June), trim Date Palms as follows: Trim seed stalks cutting the stems to within 6" of trunk and two lowest sets of fronds on palms that have been established on site for more than two years. Follow with a 10 gallon soil drench on Date Palms utilizing subdue or Chip -co aillette. Follow manufacturer's recommendations. 3.6.2 TREE TRIMMING City of Sunny Isles Beach I Request for Proposal No. 12 -05 -01