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Particular attention shall be paid to all slope areas, which will, by physical nature, provide for greatest potential runoff, which can contribute to erosion. Contractor shall turn off controllers when adequate rainfall is anticipated. In the event of irrigation system failure, manual watering required to keep the plant material in a vigorous, healthy condition is to be provided by Contractor and the irrigation system shall be repaired immediately at no additional cost to the City. At no time shall Contractor utilize a fire hydrant for irrigation purposes. Contractor will keep system in operation by valve or head adjustment to keep all systems operating at manufacturer's recommended operating pressure. This shall be accomplished by valve throttling pressure gaging. The valves should be throttled to prevent sprinkler heads from fogging, allowing droplets for effective watering. The City of Santa Ana may request a coverage test to evaluate proper settings, timing, usage, or maintenance of system. All valve boxes, controllers, and backflow devices shall be kept clear of plant growth. Contractor shall be responsible for periodic inspection of surface drains located within the landscaped areas. These drains shall be checked to assure proper functioning. Remove any debris or vegetation that might accumulate at the inlet and prevent proper flow of water. Any erosion damage because of Contractor's failure to keep the surface drains clear shall be repaired at Contractor's expense. Irrigation and drainage system repairs shall be compensated on a time and materials basis as agreed to by the Contractor and the City. 1.7. GENERAL MAINTENANCE AND CLEAN-UP The Contractor shall collect all clippings, trimmings, cuttings, rubbish and debris, and posted signs at all work sites and dispose of same in a lawful manner per contract requirements at the Contractor's expense. All trash and debris shall be removed from all worksites every day that the landscaper is on site. In addition, all exterior trash cans shall be emptied and cleaned every day that the landscaper is on site. The Contractor shall rake, hand remove, or vacuum leaves that are not absorbed by planting. This shall be done as often as required to maintain a neat appearance, or prevent plants from being smothered by seasonal leaf drop at least weekly or as directed by City of Santa Ana. After heavy windstorms, the entire contract area shall be cleaned of litter, fallen branches, etc. Contractor shall respond to calls from City of Santa Ana immediately. Contractor shall patrol all areas for trees down, fallen branches, hanging branches, debris, and other potential hazards. The Contractor shall keep sidewalks and all paved areas in the medians and under overpasses swept and cleaned of any debris, weeds, dirt, or soil. Tree wells shall be maintained weed free. City of Santa Ana — RFP 20-041 Landscape Maintenance Services for Public Works Agency City Yard Facility