OCR Text |
Show THE ALL-AMERICAN CANAL. 93 Structures-Continued. 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............................................... 1,128,350 15 per cent contingency.................................. 169,252 ---------n----- $1, 297, 602 Imperial Valley cost of connecting with Laguna Dam (contract of Oct. 23, 1918)....................................... 1,600,000 Grand total.................................................... 4,186,647 Estimate jor construction oj all-American canal oj capacity to serve the Imperial Irrigation District. (Siphon drop to Araz, 6,000 second-foot canal.) Excavation: Earth, 2,300,000 cubic yards at 20 cents..................... $460,000 Earth fill (raising railroad grade), 30,000 cubic yards at 30 cents................................................... 9,000 Raising and ballasting 1 mile of track....................... 6,000 Concrete lining 4r400 feet of canal along railroad track 4 inches thick. 950,000 square feet at 17 cents...................... 161.500 Total.................................................... 636,500 15 per cent contingency................................... 95,475 ------------ $731,975 Structures: 3 highway bridges......................................... 102,000 Double-track railroad bridge at Araz siding.................. 85,000 1 culvert for surface drainage.............................. 20,000 Wasteway............................................... 235,000 Check................................................... 22,000 Paved overflow for receiving storm water into canal......... 20,000 5 miles telephone line..................................... 1,125 Total.................................................. 485,125 15 per cent contingency................................... 72, 769 ------------ 557,894 Grand total___................................................. 1. 289, 866 Estimate jor construction oj all-American canal oj capacity to serve the Imperial Irri-¦¦ gation District. (Araz to upper power site, Pilot Knob, opposite Rockwood gates, 6,000 second-foot canal.) Excavation: Earth, 504,000 cubic yards at 20 cents.......................$100,800 Rock, 109,000 cubic yards at 75 cents....................... 81,750 Concrete lining 400 ieet canal 4 inches thick, 74,400 square feet at 17 cents........................................... 12,648 Total................................................... 195,198 15 per cent contingency.................................... 29,280 $224,478 |
Source |
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] : California exhibits. |