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<br />~ <br />OJ <br />C\l <br />o <br /> <br />CHAPTER V <br /> <br />STAGE TWO PLAN OF DEVELOPMENT <br /> <br />:-) <br /> <br />.,., <br />-_,i <br /> <br />depth. <br /> <br />Following the mile-long siphon is a 5-mile reach ending at the <br /> <br />Badger Wash siphon. This reach would have a capacity of 110 cfs with a <br /> <br />5-foot bottom width and a 4-foot depth. <br /> <br />The last mile of canal would <br /> <br />have a capacity of 30 cfs with a 3-foot bottom width and a 2-foot depth. <br /> <br />A check and wasteway structure would be constructed at both the <br /> <br />East Salt Creek siphon and the Badger Wash siphon. <br /> <br />A wasteway would <br /> <br />also be constructed at the end of the canal to enable excess flows to be <br /> <br />discharged into West Salt Creek. The Mack Wash flume would probably be <br /> <br />replaced with a siphon. <br /> <br />One centerline check would be added in the <br /> <br />1l0-cfs reach. <br /> <br />Ten lateral turnouts and l3 farm turnouts would be replaced. The <br /> <br />initial capacities of the lateral turnouts would range from 3 to 40 cfs, <br /> <br />and the farm turnout capacities would range from 2 to 6 cfs. <br /> <br />Lateral improvement <br /> <br />Lateral improvement consists of concrete lining all of the unlined <br /> <br />lateral reaches in the Stage Two area. <br /> <br />(As explained in Chapter II, <br /> <br />the Redlands area laterals and the Orchard Mesa Power Canal laterals are <br /> <br />not not part of Stage Two). <br /> <br />Approximately 700 individual laterals are <br /> <br />included with a total length of about 500 miles, of which 60 percent or <br /> <br />300 mi les are present ly unlined. <br /> <br />Lateral lining will generally follow <br /> <br />existing alinement and grade. <br /> <br />Pipe laterals would be installed when <br /> <br />competitive in cost to concrete laterals. <br /> <br />This occurs in the smaller <br /> <br />capacity ranges. <br /> <br />The lateral sections would have base widths ranging from 1 to 2 <br /> <br />feet, side slopes ranging from 1: 1 to 1 1/2: l, lining heights ranging <br /> <br />from 1.5 to 3.5 feet, concrete thickness of 2 l/2 inches, and a minimum <br /> <br />36 <br />