AZ vs. CA:04 California Exhibits, Vol. IV; Nos. 151-192

page 86

86 THE ALL-AMERICAN CANAL. cent for the Imperial Irrigation District and 40 per cent for the new lands. The above ratios are applicable to the point where the first and main diversion is made for the new lands. As only one-seventh of the water for the new lands is carried through the section from mesa canal No. 1 to mesa canal No. 2 the ratios for the division of the costs should be 93$ per cent for the Imperial Irrigation District and 6 f per cent for the new lands. Estimate for construction of all-American canal of capacity to serve the Imperial Irrigation District and additional mesa lands tcith 1,600 second-feet additional capacity for Yuma project down to siphon drop. (Laguna Dam to siphon drop, canal capacity of 10.600 second-feet.) Excavation: Earth, 5.045.000 cubic yards, at 20 cents................$1,009.000 Rock, 754,600 cubic yards, at 75 cents.......;.....:... 565,950 Total............................................. 1,574,950 15 per cent contingency.............................. 236, 242 ----------------$1, 811,192 Structures: Alterations at Lagnna Dam (see Exhibit C)............. 745,000 Sluice about 1} miles below dam....................... 240,000 Turnout reservation canal............................ 10, 500 Check below turnout reservation canal................. 27,500 Picacho road bridge................................... 34,000 Raising siphon drop____.............................. 20,000 Walapai lateral turnout................................. 7,100 Check below siphon drop..............................., 22,000 Paved overflow for receiving storm waters into the canal. 20,000 10 miles of telephone line............................ 2,250 Total............................................. l,128:350 15 percent contingency...........................:.. 169,252 --------------- 1,297,602 Cost of connecting with Laguna Dam (estimated under contract of Oct. 23, 1918)....................................... 1,900,000 Total........................................................ 5,008,794 Estimate for construction of all-American canal of capacity to serve the Imperial Irrigation District and additional mesa lands. (Siphon drop to Araz, 9,000 second-foot canal). Earth, 2,600,000 cubic yards, at 20 cents.............;.......... $520,000 Earth fill (raising railroad grade), 30,000 cubic yards, at 30 cents.. 9,000 Raising and ballasting track 1 mile.............,.............. 6,000 Concrete lining 4,400 feet of canal along railroad track 4 inches thick, 950,000square feet, at 17 cents........................ 161,500 TotaL................................................. 696,500 15 per cent contingency___......_______..................... 104,475 ------------- $800,975