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Show PROBLEMS OF IMERIAL VALLEY AND VIClNITY. 81 "a" line canal system. Design of canals. [Canal capacity at heads of laterals, 1 second-foot to 100 acres. Loss in canals, 0.5 foot in depth per day over wetted area. n=0.0225. Side slopes, i to 1 for capacity and 2.to 1 for excavation and for r wetted area.] Station. Total acreage. Diversion. Loss. Required capacity. V. Base. Depth of water. > Increase length 10 per cent between stations 7300 and 5740 on account of change of line. Canal excavation-. ¦•¦¦ 1 Added for deep cuts or fills. Note.-10 per cent of excavation from stations 2200 to 4300 is estimated as loose rock. Estimate of cost. From head to railroad crossing at Iris: Excavation, 5,053,000 cubic yards, at 25 cents.,..................... $1, 263, 200 8 bridges, at $8,000:...................................:........... 64,000 4 bridges, at $6,000...............................'......!.......... .24,000 4 checks with turnouts, at $28,000................................. 112,000 3 checks with turnouts, at $19,500..........................r\,..... 58,500 7 siphons, 1,800 'feet (3 tubes), at $20,245 per 100 feet............... 364,400 2 arreyo crossings*............................^.................... ', 18,000 1 wasteway,..................................................___ 30, 000 Telephone line, 42 miles, at $250....................___"... .\ ..-..¦. 10,500 Telephone line, 160 miles, at$200................................. 32,000 Lateral system, 99.800 acres, at $16............................___ 1,596,800 Total........;................................................. 3, 573,400 Administration, engineering, etc., 25 per cent...................... 893,40Q Total above railroad............................................. 4,466,800 Ninety-nine thousand eight hundred acres, at $44.70. |
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Original book: [State of Arizona, complainant v. State of California, Palo Verde Irrigation District, Coachella Valley County Water District, Metropolitan Water District of Southern California, City of Los Angeles, California, City of San Diego, California, and County of San Diego, California, defendants, United States of America, State of Nevada, State of New Mexico, State of Utah, interveners] : |