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<br />MAY 1982 <br /> <br />THE ONE-TIME CONSTRUCTION COST fOR IMPLEMENTING THIS PLAN IS: <br /> <br />Item <br /> <br />Construc tion <br />Cost <br /> <br />Technical and <br />Administrative <br />Assistance <br /> <br />Total <br /> <br />CAPITOL COST: <br /> <br />GROUP DITCHES <br />FARH DITCHES <br />TOTALS <br /> <br />6,136,000 <br />10,094,000 <br />16,230,000 <br /> <br />1,227 ,000 <br />2,019,000 <br />3,246,000 <br /> <br />7,363,00U <br />12,113,000 <br />19,476,000 <br /> <br />AVERAGE ANNUAL COST: <br /> <br />GROUP DITCHES <br />FARH llITCHES <br />TOTALS <br /> <br />556,000 <br />916,000 <br />1,472,000 <br /> <br />111,000 <br />183,000 <br />294,000 <br /> <br />667,000 <br />1,099,000 <br />1,766,000 <br /> <br />1/ July 1981 Price Base, Amortized at 7 5/6%, over 25 years. <br /> <br />Capitalized Annual Cost including operation, maintenance and <br /> <br />replacement is estimated to be ~2,189,900. Capitalized Annual net benefits <br /> <br />are estimated to be a negative (-) ~690,200. Implementation of this plan <br /> <br />could reduce the amount of water diverted annually for irrigation by 6,00U <br /> <br />acre-feet, because seepage from onfarm ditches would be essentially <br /> <br />eliminated. Annual return flow to the river system, the sum of seepage, <br /> <br />deep percolation and tailwater runoff, would not be reduced. <br /> <br />The 21,000 ton reduction in salt loading represents a 39 percent <br /> <br />reduction in the total salt load from irrigation being delivered to the <br /> <br />Colorado River. <br /> <br />., <br />.. ro~6 \ <br />\:; \.; >- ' <br /> <br />V-13 <br />