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<br />~ <br /> <br />. <br /> <br />2.1.5"3 <br /> <br />(Cost al1ooations: Initial Development) <br /> <br />Irrig!ltion <br /> <br />The !llternate justifinble expenditure for irrigation purposes only <br />would require substantially the S!lIDe diversion and collection systam as <br />th!lt planned for the project. <br /> <br />Alternate justifiable costsi Irrigation <br />Fe!lture Cost <br /> <br />Replacoment Reservoi r. . . . . . . . . . <br />Fryingpa.n Di versi on. . . . . . . . <br />Suga.r Louf Reservoir . . . . . . . . . <br />Headwators Ca.nal . . .. ........ <br />Twin Lakes Reservoir . . . . .. . <br />Snowden Canal (500 second-feet). . . <br />Pueblo Reservoir (250,000 ccre-feet) . <br /> <br />. . , $ 3,174,000 <br />.. 19,188,000 <br />. 6,424,000 <br />.. 1,003,000 <br />.. 8,468,000 <br />.. 1,151,000 <br />. . 29,666,000 <br /> <br />Total alternate cost . . . . . ~ ;, '.' <br /> <br />. . <br /> <br />. . ~69.074,OOO <br /> <br />. <br /> <br />For most s!ltisfactory operation, it is believed that an equiva- <br />lent irrigation system should provide !ldequnte stor!lge to conserve <br />waters from the various sources and convert them to optimum irrign- <br />tion use; A four-year minimum carry-over storage should be provided <br />for the potentinl trnnsb!lsin diversion; sufficient c!lpaeity should <br />be previded for stornge of waters ourrently boing passed up by the <br />existing Twin Lakes (Independence Pass) nnd other existing transbasin <br />diversionsl nnd stornge oapacities should be ndequate to make possible <br />the capture of excess flood waters of the Arkansas River. In addition <br />same capacity should be nssigned to re-regul!ltion of winter and summer <br />flows of the Arknnsas River to effoct optimum irrigation use and some <br />saving of evnporation from existing private reservoirs, even though <br />this could only bo aocomplished through mutunl !lgreemont among the <br />!lppropri!ltors. Therefore; all of the above features would be required <br />!It their total pl!lnned cnpacitios except the Snowden Cnnal and the <br />Pueblo Resorvoir. Enlargement of the Snowden Canal to 500 second-foot <br />capncity would be necessnry to pcnnit diversion of flows nbove the <br />diversion point into the Twin Lakes ~eservoir for storage. The cost <br />of that feature would be thereby increased to ~l,151,OOO. The Pueblo <br />Reservoir would roquire capacities for sedimentation protection and <br />irrigation storage totaling only 250,000 acre-feet. The oost of the <br />reservoir would; therefore, be roduced to $29,666,000; <br /> <br />. <br /> <br />23 <br /> <br />.- <br />