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Show 86 PROBLEMS OF IMPERIAL VALLEY AND VICINITY. ESTIMATE OF COST OF ALL-AMERICAN CANAL. Canal of capacity to serve 815,400 acres in Imperial Valley and to carry 1,600 second-feet additional down to siphon drop for the Yuma proje.ct: Item. Board estimate of July 22, 1919. Revised estimate due to change in canal capacity and acreage. Per cent of board estimate. Total. To connect with Laguna Dam. Canal: Laguna Dam to siphon drop. Siphon drop to Araz......... Araz to power site. Power site to Pilot Knob.......... Pilot Knob to "A" canal heading. "A""heading to "E" heading..... " E " heading to west main........ Total, dam and canal........ $1,900,000 3,109,000 1,359,000 811,000 1,470,000 17,067,000 600,000 3,239,000 29,555,000 Power plant No. 1: Canal capacity, 6,757 second-feet; fall, 24 feet; water horsepower, 18,400; delivery capacity, 11,000 horsepower................................................... Power plant No. 2: Canal capacity, 6,536 second-feet; fall, 47 feet; water horsepower, 34,800; delivery capacity, 21,000 horses-power........................................................ 1,232,000 1,633,000 Total power. 2,865,000 97 108 109 199 109 101 112J 114 112 118 $1,843,000 3,358,000 1,481,000 884,000 1,602,000 17,238,000 675,000 3,692,000 30,773,000 1,380,000 1,927,000 3,307,000 Summary of cost of canal and distribution system and division according to benefits. Cost estimate. Division of cost. ¦ Item. Yuma project. Imperial irrigation district. New United States. lands. Mexican lands. To connect with dam...................... All-American Canal: Dam to Araz.......................... '$1,843,000 4,839,000 24/091,000 i $980,000 $1,165,000 2,439,000 15,222,000 $610,000 1,278,000 7,982,000 $68,000 142,000 887,000 Araz to end............................ Total dam and canal.:............... 30,773,000 980,000 18,826,000 9,870,000 1,097,000 Power plant No. 1......................... 1,380,000 1,927,000 Power plant No. 2.'........ Total power..........; 3,307,000 » 528,000 '2,051,000 < 596,000 < 132,000 Distribution system: " A " line system......,................ South side gravity..................... 10,941,000 616,000 369,000 ............ ............ 10,941,000-176,000 369,000 1,133,000 1,842,000 '"Viio.'ooo "E" line system....................... " D " line system, iududing pump..... *' B " line system, including pump___. 1,343,000 1,842,000 1'.'.'.'."'.'."'. • 210,000 Total distribution system___,....... 15,111,000 -----......t ¦ •'':........ 14,461,000 660,000 Grand total.......................... 49,191,000 1,508,000 20,877,000 24,927,000 1,879,000 * Determined under contract with Imperial irrigation district dated Oct. 23,1918. All-American Canal proportioned according to acreage. Dam and balance of * Determined by ratio of cost of 8,500 water horsepower to total water horsepower. * Commercial power (33,000 water horsepower) all charged to Imperial irrigation.district. * Power required for pumping (20,200 water horsepower) charged at cost of power plant. * Lateral system only. * Lateral system and i proportion of pumping plant only. |