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ORDINANCE NS-2204 ~~4~ <br />PAGE 8 <br /> <br />Established landscape means the point at <br />landscape have developed roots into the soil <br />ball. <br /> <br />which plants in the <br />adjacent to the root <br /> <br />Establishment period means the first year after installing the <br />plants in the landscape. <br /> <br />Estimated Applied Water Use means the portion of the Estimated <br />Total Water Use that is derived from applied water. This amount <br />cannot exceed the Maximum Applied Water Allowance. <br /> <br />Estimated Total Water Use means the annual total amount of water <br />estimated to be needed to keep the plants in the landscaped area <br />healthy. It is based upon such factor as the local evapotranspira- <br />tion rate, the size of the landscaped area, the types of plants, <br />and the efficiency of the irrigation system. <br /> <br />ET adjustment factor means a factor of 0.8, that, when applied to <br />reference evapotranspiration, adjusts for plant factors and <br />irrigation efficiency, two major influences upon the amount of <br />water that needs to be applied to the landscape. A combined plant <br />mix with a site-wide average of 0.5 is the basis of the plant <br />factor portion of this calculation. The irrigation efficiency for <br />purposes of the ET Adjustment Factor is 0.625; therefore the ET <br />Adjustment Factor (0.8) = (0.5/0.625). <br /> <br />Evapotranspiration means the quantity of water evaporated from <br />adjacent soil surfaces and transpired by plants during a specific <br />time. <br /> <br />F10w rate means the rate at which water flows through pipes and <br />valves (gallons per minute or cubic feet per second). <br /> <br />Hydrozone subarea of landscaping that contains plant materials with <br />similar water uses that can be served by one valve or sets of <br />valves with the same setting. <br /> <br />Infiltration rate means the rate of water entry into the soil <br />expressed as a depth of water per unit of time (inches per hour). <br /> <br />Irrigation efficiency means the measurement of the amount of water <br />beneficially used divided by the amount of water applied. <br />Irrigation efficiency is derived from measurements and estimates of <br />irrigation system characteristics and management practices. The <br />minimum irrigation efficiency for the purposes of this ordinance is <br />0.625. Greater irrigation efficiency can be expected from well <br />designed and maintained systems. <br /> <br />Landscape irrigation <br />inspections, evaluate <br />irrigation schedules. <br /> <br />audit means a process to perform site <br />irrigation systems, and develop efficient <br /> <br />8 <br /> <br /> <br />