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IRR/GATION STANDARDS <br /> <br />ATTACHMENT 3 <br /> <br />The ultimate goal of any irrigation system is to efficiently <br />provide water for plantings with a minimal amount of overspray, <br />nm-off, misting, etc. The following is a list based upon high <br />quality performance of tested products. These prodUcts are such <br />that the long term maintenance and replacement of parts is <br /> <br />Water meter <br /> <br />Backflow prevention device <br />(double-check or <br /> reduced pressure types) <br /> <br />Gate valves (2" thru 4") <br /> <br />Gate valves ( to 1-1/2") <br /> <br />Quick coupling valves <br /> <br />Remote control valves <br /> <br />Automatic controller <br /> <br />Irrigation main Line <br />(constant pre_-_~ure .line) <br /> <br />Irrigation him'al line <br />Cmtermittant pressure) <br /> <br />Potable wat~ supply <br /> <br />Pipe sleeve <br /> <br />provided by City Water Dept. <br /> <br />Febco, Hershey, Clayton, or other <br />approved device- All bacldlow preventers shall be <br />installed above grade within StUlrllesS steel enclosures <br /> <br />Waterous, se. ties 500, resilient wedge <br /> <br />KBI or equal, P.V.C. ball valves <br /> <br />l~alnbixd, 44 LRC or bi? <br />Griswold, 2000 E series <br /> <br />l~,inmaster or Cal Sense 2100 Series with remote <br />harness and moisture sensors as applicable <br />Unless installation is in building interior, controller <br />should be mounted within a'Strong-box" enclosure <br />with pedestal and sob-assembly, stainless steel <br /> <br />Simpson, Lasco, or equal, schedule 40 <br />P.V.C. 1120/1220 <br /> <br />Simpson, Lasco, or equal, class 200 <br />P.V.C. 1120/1220 <br /> <br />Schedule 40 P.V.C. <br /> <br />Class 200 P.V.C. (sleeves should be a <br />minimum of twice the pipe size) <br /> <br /> <br />