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<br />I <br /> <br />Evapotranspiration means the combined water losses though evaporation (the <br />process of water changing from liquid into vapor) and transpiration (the process by which <br />plants lose water through small surface openings called stomata). <br /> <br />Existing means in existence before September 30, 2006. <br /> <br />Flow meter means a device that monitors, measures, and/or records the rate of <br />flow of water, and shuts off the system when flows exceed a specified rate. <br /> <br />Flow restrictor means a device which limits the flow of water through an opening. <br /> <br />Head to head spacing means the spacing of sprinkler heads equal to the <br />published radius of the head. <br /> <br />ICI means an industrial water customer, a commercial water customer, or an <br />institutional water customer. <br /> <br />Impervious surface means an area which is constructed in a way that prevents <br />water from penetrating into the ground. Examples of impervious surfaces are concrete, <br />asphalt, pavers and stones set with mortar. <br /> <br />In-bay automatic carwash means a commercial car wash in which the vehicle <br />remains stationary within a wash bay while automatic arms move back and forth over the <br />vehicle to clean it. <br /> <br />I <br /> <br />Industrial water customer means a city water customer that uses water for <br />manufacturing and/or fabrication of goods. <br /> <br />Installer means a person who installs a landscape irrigation system. <br /> <br />Institutional water customer means a city water customer that uses water for <br />institutional facilities such as hospitals, nursing care facilities, child day care facilities, <br />correctional institutions, college/professional schools, elementary/secondary schools, <br />and places of religious assembly. <br /> <br />Irrigation system evaluation means an inspection of a landscape irrigation <br />system, including a review of design appropriateness for current landscape <br />requirements, proper functioning of sprinkler heads, valves and other components, <br />precipitation rates, irrigation schedules, and maintenance plan. <br /> <br />Landscape irrigation system means a system of fixed pipes with heads and/or <br />emitters that apply water to landscape plants and/or turf <br /> <br />Landscape strips means a landscaped area that has dimensions less than six <br />feet in length and/or width, and are bounded by impervious surfaces along two or more <br />perimeters. <br /> <br />I <br /> <br />Low-angle spray heads means spray heads that direct water droplets closer to <br />the surface of the ground, thus reducing losses to wind drift and evaporation. <br /> <br />15 <br />