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<br /> <br />"J ,~~ (\ <br />~ V l. ;; <br />86 ~l E T R 0 PO 1.I TAN W ATE R D 1ST R leT <br /> <br />, <br />.1 <br />~ <br /> <br />around the northern side of the reservoir into a stilling basin belo\\" <br />the embankment. Excavation for the drain was made with carryalis <br />and tractors, very iiUle hand trimming of the cut being required. <br />The entire reservoir is enclosed by a chain link fabric fence 7 feet <br />high and 6,779 feet long. The contract date for completion of all <br />construction was December 31, 1939 and on that date the District <br />accepted the work as finished. <br />District forces have instrtlied a water tank, pump, and piping <br />for a service water system in the reservoir area; have landscaped <br />the grounds, setting out pines, incense cedars, and ice plants; and <br />have completed instaliation of electrical equipment and valves in <br />the outlet tower. Total cost of Palos Verdes reservoir, exclusive of <br />right of way, to June 30, 1940 is $847,197.26. <br /> <br />Orange County Reservoir <br />To improve the operation characteristics of the Orange County <br />feeder, studies have been made and designs started for a smali <br />equalizing reservoir located a short distance norih of the City of <br />Brea and about 15 miles from the point of diversion on the upper <br />feeder. This work was in progress at'the close of the period. <br /> <br />Softeniny and Filtr~(tion Plant <br />The question of softening and filtering Coiorado River water <br />before it is deiivered to domestic and industrial consumers has been <br />under consideration since the start of the aqueduct project. The <br />engineering board of review, in its report on an aquedllct ham <br />the Colorado River to the Metropolitan Water District of Southern <br />California, made in 1930, stated that softening would be desirable, <br />particularly of water to be used for industrial purposes. During <br />1933-34 special investigations on the subject were made by the <br />District under the direction of ArthUl" Taylor, consulting engineer, <br />now District director representing Beveriy Hills. In 1935-36 an <br />independent report on water softening Was made for the District <br />by Metcalf and Eddy, consulting engineers. Thereafter investiga- <br />tions and special research \\"ere continued by the District staff. <br />As a result of these investigations the board of directors on <br />October 21, 1938 authorized the general manager and chief engineer <br />to proceed with the preparation of plans and specifications for a <br />water softening and filtration plant having an initial capacity of <br />100 million gallons daily, equivaient to 155 cubic feet per second, <br />and to engage the services of experts fo)" assistance in this work. <br />Following this action, the nrm of Hoover and Montgomery, of <br /> <br />~ <br />I <br />I <br />, <br />