Specifications include, but are not limited to: Irrigation systems • Winterize entire system each year – draining lines and adjust control settings to avoid freeze damage • Maintain and monitor spray heads so they do not overspray on to paved areas or in pedestrian circulation paths • Replace broken sprinkler heads or piping immediately • Test system for operation efficiency a minimum of once a quarter – Check the controller settings and manually test each zone • Adjust automatic controller settings for least amount of evapotranspiration • Maintain a working shut-off valve at the meter connection and monitor system for leaks to avoid safety issues Watering • Provide adequate water to maintain healthy plant material • Water in a manner that it does not endanger pedestrian or vehicular traffic • Water according to the state or local government restrictions Seasonal Color (Annuals and herbaceous Perennials and Roses) • Install and maintain plant material at a height that does not interfere with clean sight lines for both pedestrians and vehicular traffic according to the Department’s sight distance criteria • Maintain bare areas in seasonal beds with a minimum 3 inch cover of mulch • Cut back perennials each year after they are spent to keep the beds free of vegetative debris • Maintain any rose shrubs at a height that will not obstruct existing directional signs or driver sight lines. Ornamental Grasses • Trim away dead foliage from ornamental grass clumps in February. Pruning • Remove dead or diseased planted vegetation. • Prune trees, shrubs and ground covers to maintain the health of the plants and to maintain in the intended design character of the plant (no stump pruning or lollipop/ball shapes) • Prune trees, shrubs, and ground covers as needed to remove damage by storm or accident events and to prevent safety hazards. Prune to maintain open sight distances, clear zone areas and traffic sign visibility. Provide clearance for pedestrian and vehicular traffic mobility. • Prune according to American National Standards Institute, latest edition, A300 Part 1 pruning standards Plant Replacement • Replacement of dead or diseased vegetation of planted material within the project limits is the responsibility of the LICENSEE • Replacement plant material must be according to Policy 6755-9 – Policy for Landscaping and Enhancements on GDOT Right of Way and GDOT Specification Section 702.
