OCR Text |
Show -14- C. Description, Physical Data and Financial Expenditures by the M.W.D. for Expansion of the Colorado River Main Aqueduct as of November 30, 1956, and Proposed Expansion to Its Ultimate Capacity. 1. In General: In 1941 the main aqueduct was completed to its planned ultimate capacity, except the pumping plants and siphons. The nominal designed capacity of the main aqueduct was 1605 c.f.s., but observed results of construction procedures and operating experience indicate an ultimate capacity of not less than 1800 c.f.s. It is planned that ultimately each of the five pumping plants will have nine pumping units, each with a nominal rated capacity of 200 c.f.s. Each group of three pumps is designed to connect to one of three discharge pipelines. 2. Pumping Plant Expansion: During the period 1952 to 1956, inclusive, the initial capacity of each of the five pumping plants of 600 c.f.s. (3 pumps each with a nominal rated capacity of 20 c.f.s.) was increased to 1000 c.f.s. at a total cost of approximately $11,700,000. This work consisted of the manufacture and installation of two additional pumping units (units 4 and 5), construction of one additional pump delivery discharge pipeline (No. 2), and other miscellaneous construction. On September 27, 1956, pumping units 4 and 5 and delivery discharge pipeline No. 2 were completely installed and operating at each of the five pumping plants. (See photographs, Plates 8A, 10A, 12A, 13A and 14A.) During the period 1955 to November 30, 1956, the 1952 expansion program was enlarged to include pumping unit 6 at each of the five pumping plants. Twenty-one formal |
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. |