| OCR Text |
Show THE ALL-AMERICAN CANAL,. 89 Estimate for construction of all-American canal of capacity to serve the Imperial Irrigation District and additional mesa lands. (Mesa canal No. 2 to west-side main canal, 5,500 to 1,500 second-foot canal.) Excavation: Earth, 6,836,400 cubic yards, at 18 cents................. $1,230, 552 15 per cent contingency................................ 184, 583 ------------ $1,415,135 Structures: 47-foot siphon spillway for operation with power plant No. 2. 96,100 Turnout............................................... 14,000 Check................................................ 11,000 Drop................................................. 28,000 Turnout.............................................. 10, 000 Wasteway to Alamo River............................. 44,000 Check..................................'............... 9,000 Flume across Alamo River............................. 116,000 Turnout.........................................'.___ 700 Check................................................. 9,500 Drop..............................................v.. 26, 500 Turnout.............................................. 5,500 Do.................................:............. 18,000 Check................................................. 5,700 Drop.....................-........................... 8,500 Do............................................... 14,000 Waeteway at New River................................ 130,000 Check.................................................. 4,000 Flume across New River............................... 781,000 Turnout........................................-----.. 6,000 Check................................................. 4,000 Drop................................................. 8, 500 5 highway bridges near Calexico........................ 52,500 Highway bridge, station 2350............................ 21,000 Highway bridge, station 2690............................ 14,000 Railroad bridge at Calexico............................. 15, 500 Right of way.......................................... 125,000 35 miles telephone line................................. 7,875 Total............................................... 1,585, 875 15 per cent contingency................................ 237, 882 "-------------- 1,823,757 Grand total.................................................... 3,238, 892 Estimate for construction of all-American canal of capacity to serve the Imperial Irrigation District and additional mesa lands with 1,600 second-feet additional capacity for Yuma project down to siphon drop (10,600 to 1,500 second-feet). RECAPITULATION. Laguna Dam to siphon drop...........................................$5,008, 794 Siphon drop to Araz.................................................. 1,358,869 Araz to upper power site, Pilot Knob................................... 811,645 Upper power site to Pilot Knob........................................ 1,469,976 Pilot Knob to east-side mesa canal No. 1............................... 17,066,747 Mesa canal No. 1 to mesa canal No. 2.................................. 600,168 Mesa canal No. 2 to west-side main canal................................ 3,238,892 Total......................................................... 29,555,091 |
