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MAINTENANCE PLAN Project Name : SR-510 (Wabasso Road) Project Limits : From east of SR-5/US-1 (NIP 6. 379) to SR-AIA (MP 8. 486) Landscape and Irrigation Plans FM No . : 413803 -1 -52-01 Agency : Indian River County The purpose for the following performance based descriptions of landscape maintenance practices is to allow the plant material on your project to thrive in a safe and vigorous manner. Plantings shall be maintained to provide required visibility and conform to all of the required setbacks as set forth by Florida Department of Transportation ' s governing standards and specifications ; FDOT Design Standards (Most Current Date) and Standard Specifications for Road and Bridge Construction (Most Current Date) , as amended by contract documents . Watering Requirements : Watering is probably the most critical concern regarding the maintenance of healthy plant material . The amount of water to apply at any one time varies with the weather, drainage conditions and water holding capacity of the soil . Proper watering techniques should provide even and thorough water dispersal to wet the entire root zone but not to saturate the soil and should avoid over- spray onto travel lanes . Furthermore, the Agency should maintain the rain sensors (if on an irrigation system), to ensure that they are functioning property and that the system does shut down when there s sufficient rainfall . Avoid extremes in watering. Light, frequent watering is ineffective and produces shallow root systems . Excessive watering that keeps the root zones saturated may kill the plant material due to the lack of available air to the root zone. A typical rule of thumb is that turf areas should receive on an average, a minimum of 1 " of water per week , with an equal or lesser amount for trees and shrubs, depending on their individual water usage . Irrigation : Ensure there is no roadway overspray or irrigation activities during the daytime hours (most notably rush hour traffic periods) . Fertilization/Insecticides/Fungicides : Due to the poor shallow root soils of the South Florida area, coupled with heavy rainfall during the growing season, available nutrient levels for landscape materials are very low, therefore nutrient amendments are essential . A soil analysis of each planting site should be done to determine the nutrient levels needed for vigorous plant growth.