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<br />Santa Ana River Channel <br />EOl-R1552 <br /> <br />Efficient Irrigation <br /> <br /> <br />50-12 <br /> <br />Design Objectives <br /> <br />./ Maxlmi:e Infiltration <br />./ Provide Retenticn <br />./ Slow RUIloff <br /> <br />Minimize Imoer..ious land <br />Co...era'~e <br /> <br />Prohibit D\.impin9 cf Imprc''Per <br />Ma,eria IG <br /> <br />Contain Pollutants <br /> <br />Collec: <lnd Convey <br /> <br />Dcscription <br /> <br />Irrigation w.9tl'r pn'J\"ided to landscaped Meas ltlay result in exce...<;s i11'igatioll water being <br />erHlveyed into storrnwater drainage systems. <br /> <br />Approach <br />Project plan designs for dClclopmcllt and redevelopment shrmlcl include application methods of <br />irrigation water th;lt minimize runoff of excess irrigation water into the stormwatcl' conveyance <br />sys tem. <br /> <br />Suitablc Applications <br />Appropriate appljcalions include residenlial, commercial and industrial areas planned for <br />development or redevelopment. {Detached residential single-family jwmes are typJcaJiy <br />excluded from this requirement.) <br /> <br />Dcsign Considcrations <br />/)esiYHillY Sell' 11l.'.lu I/ul iOlls <br />The following rnClhods tt'J reduce excessive irl'igalion runoff should lw considered, and <br />ineorporated and impleJllented where determined app]ieable and feasible by Ule Permittee: <br /> <br />. <br /> <br />Employ raill-tl"iggert~d shutoff de\1CeS to prevent inigaLioll aflerprecipitation. <br /> <br />. <br /> <br />Design irrigation systems to each landscape area's specific water requirements. <br /> <br />. <br /> <br />Indude design featuring tlcm' reducers or shutoff val\'es tri&.\;ered by a pressure drop to <br />l~olltl'ol \\';Jtcr loss in the event of broken sprinkier heads or lines. <br /> <br />llllplement Iandscapc' plans coJlsistent \\'i11J COlLnty or City water conservation resolutions, <br />which rtlilY include IH'o'1sion of \vater senSOJ:~,. programmable <br />irrigation times (for short cvcks). etc. <br /> <br />. <br /> <br />-,c'J.CA S a A <br />....,::'-.:_."_...;.;~-~....."..~.~.. -....... -..- . <br />,- I C1Jirorn!ol <br />StormWater <br />Quality <br />Auociation <br /> <br /> <br />January 2003 <br /> <br />Caliiornia Stotm.,at.... aMP Handbook <br />Nevi Development and Redevelopment <br />www.cabmphandbooks.com <br /> <br />1 of 2. <br /> <br />17th Street Triangle Lease (07.01.09) <br />