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SECTION 8. IRRIGATION SYSTEM CARE All irrigation systems shall be checked and adjusted each spring and periodically throughout the growing season. Clean filter screens on pumps, backflow devices and drip systems as needed. Repairs to the irrigation system including the backflow prevention device, replacement of valves, heads, quick couplers, filters, lines and risers are included in the Contractor's bid price. All heads and valves flagged for repairs shall be repaired within one watering period or two working days- whichever is the shorter time frame. Necessary repairs to clocks, wiring, or necessary system modifications will be brought to the attention of the City for authorization to proceed with repairs or replacement. Cost estimates shall be provided by the Contractor. All repairs to the irrigation system shall be made within one watering period or within two working days from observation of damage. If repairs take longer than that,the contractor is responsible for hand watering the plant material as necessary to keep it in a healthy unstressed condition. A. Any damages to system caused by Contractor's operations shall be repaired without charge to the City. Repairs shall be made within one watering period or immediately upon discovery. Upon notification from the City of the damage it shall be repaired within one watering period or within two working days, whichever is shorter. Contractor shall report such damage immediately to the City. B. Accidental damage such as reported cases of vandalism shall be reported promptly to the City,together with an estimate of costs for repairs. This applies also to changes and additions needed. Faulty electrical controllers shall be reported to the City, and upon approval, repairs shall be made by the Contractor at City expense. In any case, repairs shall be made within one watering period or within two working days, whichever is shorter. C. In early spring(February/March), Contractor shall check all systems for proper operation. Lateral lines shall be flushed out after removing the last sprinkler head or two at each end of the lateral. All heads are to be adjusted as necessary for unimpeded coverage. D. Set and program automatic controllers for seasonal water requirements. Give City's representative a key to controller, and instructions on how to turn off system in case of emergency. E. The irrigation system shall be adjusted as necessary to prevent overspray onto paved areas and run-off down the gutters. Contractor shall be specifically responsible for identifying areas of inadequate coverage, over-watering and system malfunctions, and making proper adjustments or repairs. Contractor shall adjust times to provide necessary water. Multiple repeat cycles shall be utilized as needed to provide best irrigation efficiency. F. Repair and replace as necessary,the irrigation system and all its piping from the backflow prevention device to each of the irrigation heads. It is understood that throughout the life of the project, incidental replacement of irrigation heads and risers, quick couplers, valves and piping will be necessary due to vandalism, vehicle damage, malfunction,and so on. Repair and/or replacement of all damaged sprinkler heads and riser assemblies, quick couplers, valves and piping are a part of this contract, at no additional cost to the City. In the cases of major vandalism resulting in damages over $100.00 in materials, submit an estimate with a copy of the Public Safety report. Provide receipt for materials as verification for"extra" reimbursables. Page 20