OCR Text |
Show __3__ 7. Tunnels-There are 8 distribution system tunnels, all pressure, concrete lined, and of circular section. They are uniformly 10-feet in diameter, except for a portion of Monrovia No. 4 Tunnel which is 9-feet 9-inches in diameter, and a portion of the Hollywood Tunnel, which is 6-feet in diameter. The designed carrying capacity of all distribution system tunnels on the Upper Feeder is 510 c.f.s., and that of the Hollywood Tunnel is 49 c.f.s. The function of the distribution system tunnels is to carry water through the mountainous terrain along the base of the San Gabriel Mountains on the Upper Feeder, and through the Santa Monica Mountains on the Santa Monica Feeder. As of January 31, 1944, the cost of this 16y2 miles of tunnel was $6,757,619. 8. Pipelines, Connections and Reservoirs: (a) Pipelines and Connections-The initial distribution system completed in 1941 was part of the planned ultimate system for the entire Southern California coastal basin. The 150 miles of pipelines and tunnels consisted of the Upper Feeder, the Orange County Feeder, the Palos Verdes Feeder and the Santa Monica Feeder, the latter three being branches from the Upper Feeder. A summary description of these branches is: The Upper feeder-extends 61 miles northerly and westerly from Lake Mathews to the Eagle Rock Control Tower near the west city limits of Pasadena. It has a capacity of 750 c.f.s. to just west of La Verne, and 510 c.f.s. from there to the control tower. The Orange County Feeder-extends 28 miles southerly from the Upper Feeder at La Verne to |
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. |