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STOCKI'ON METROPOLITAN AIRPORT-SP TAL PURPOSE 'PLAN <br /> 071;Ct WIDE GUILDELINES AND STANDARDS <br /> c. Irrigation <br /> Goals: <br /> • Create an irrigation system that is effi- <br /> cient and appropriate for the climate heads with matched precipitation rates and <br /> of the area. separate valves and controller stations. <br /> Sprinklers and bubblers should be on sepa- <br /> Provide adequate water to establish rate valves.This will allow uniform water <br /> and maintain landscape plantings. application and avoid over or under-water- <br /> ing. <br /> • Promote water conservation through <br /> appropriate plant selection and design, <br /> and through efficient irrigation system <br /> design and management. <br /> • Use recycled water instead of potable <br /> water to irrigate public on-site areas <br /> such as median strips and open space, <br /> as well as private on-site areas such as <br /> office parks or common areas. <br /> Guidelines: <br /> L All planting areas should have automatic irri- <br /> gation systems. <br /> rJ 2. California and Mediterranean native and <br /> hybrid plants (see Recommended Plant List, <br /> A. 2-1),which require less water should be <br /> used. <br /> 3. Plants with similar water requirements <br /> -� should be grouped to avoid over watering <br /> some plants while accommodating watering <br /> needs of others. <br /> 4. Irrigation zones should be created to meet <br /> the actual water requirements of the differ- <br /> ent types of plants and in response to vari- <br /> ous site conditions.Separate sloped areas <br /> {D from level areas and areas with individual <br /> micro climates from each other. <br /> 5. The irrigation system should be designed <br /> so that each zone or circuit has sprinkler <br /> OPEN SPACE, LANDSCAPE AND STREETSCAPES 111. 4-29 <br />