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<br />Unaccounted for water is defined as the difference between the total amount of water sold to <br />customers through meters (including construction water, irrigation water and hydrant flushing) <br />and the total amount of water produced during the 5<1me year. <br /> <br />, <br />The purpose of this audit is to determine the amount of water lost from leakage, unmetered <br />hydrant flushing and fire fighting use with the goal of reducing distribution system losses. The <br />audit shall include recording information on the distribution system, estimating leaks, estimating <br />leak losses, estimating revenue losses from leaks, and estimating costs for repairs of losses. <br /> <br />If unaccounted for water losses from leaks are determined to be 8% or more of total consumption, <br />the District shail develop and implement a leak detection program. The program will traverse all <br />of the transmission and distribution system that has pipe over 20 years old on a five year basis to <br />locate and Tepair leaks. All identified leaks, including leaks in water meters and valves, shall be <br />repaired within 72-hours, <br /> <br />Public Open Space Management <br />OBJECTIVES: <br /> <br />. To identify areas of water waste in public open spaces. <br /> <br /> <br />. To implement water saving techniques to reduce water usage in public open spaces. <br /> <br />The District shall meet with the City and County to assess all public open spaces to determine <br />present water use of all existing landscaping and to identify inefficient irrigation system design <br />and maintenance. <br /> <br />The District shall develop and implement a program to increase the efficiency of water use on <br />public open space areas including parks, greenbelts, public golf courses, roadway right-of-way <br />plantings, street medians and all other public open spaces. Criteria will be developed and <br />implemented to promote efficient irrigation and maintenance of public open space. <br /> <br />The program shall include, but not be limited to, the following: <br /> <br />IRRIGATION: <br /> <br />1. Installation of centralized automatic irrigation systems equipped with repeat cycle capability, <br />rainfall interrupters, soil moisture sensors, low volume irrigation zones, and pressure <br />reduction valves. <br /> <br />2. <br /> <br />Repair or retrofit of existing irrigation system components to avoid over watering, runoff. <br />evaporation~ ana watenng of pavea or tmpervIOus surtaces. ~- --~ <br /> <br />3. Watering between 10:00 p,m. and 6:00 a.m. (cool-hour temperatures). <br /> <br />4. Field tests to determine typical infiltration rates for the sub-surface soil. Precipitation rates <br />shall be designed, as near as practicable, to match or not exceed said infiltration rates. <br /> <br />5. Designing of irrigation systems in coordination with landscaping layout to irrigate turf grass <br />separately from other planting areas. <br /> <br />6. Pop-up sprinkler heads in turf areas with a minimum 'I-inch riser height. <br /> <br />7. Irrigation system spray patterns designed to water only vegetated areas and not to spray <br />walks, decks, patios, driveways, roadways, buildings or fences. <br /> <br />8. Immediate repairing or replacing of broken or defective irrigation system components. <br /> <br />9. Medians or planted areas less than 8 -10 feet in width irrigated with low-volume or bubbler <br />drip irrigation systems.' . <br /> <br />Water Conservation Program <br /> <br />7 <br />