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<br />r <br />f <br /> <br />i~C;~ <br />CONSTRUCTION UTILITIES <br /> <br />]"" <br /> <br />directional relays receiving their potential from capacity taps in <br />the switch bushings. <br />Construction pcriod <br />The original power system from Colton to the Colorado River <br />was built as rapidly as possible, under five contracts in order to <br />supply power to the District water system for pumping and to <br />the District and its contractors for camps and for tunnel-driving <br />operations. Work was started December 27, 1932 and practically <br />completed to the Colorado River on October 8, 1933. During that <br />period 442 miles of circuit were constructed, or about 1V2 miles <br />per day. A sixth contract for the construction of the San Timoteo <br />Canyon line, 34.8 miles in length, between Colton and Cabazon, <br />was awarded in August 1933 and construction was completed Jan- <br />uary 5, 1934. <br />In doing this work more than 400 carloads of material were <br />transported from the railheads to the point of use. Contractors <br />overcame great difficulties in moving equipment and materials <br />across desert blow-sand areas and over several mountain cross- <br />ings where roads were extremely poor or entirely lacking. Much <br />of the hauling and construction work was done in the summer <br />with desert temperatures ranging up to 12T. In the Coxcomb <br />area during the entire month of July 1933 daily temperatures above <br />110' with a maximum of 12T made it necessary to carryon the <br />work in the early hours of the day only. <br />Operators' cottages <br />Because of their remote location, it was necessary ~ erect quar- <br />ters for the operators of the main line substations and to pro- <br />vide water supply and other conveniences. This work was done <br />under two housing contracts. The first, for cottages and garages <br />at Lakeview, Cabazon, and Fan Hill, was awarded March 24, 1933 <br />and completed Ma~' 20, 1933. The second, for similar buildings at <br />Hayfield, Granite, and Parker, was awarded August 18, 1933 and <br />completed November 4, 1933. <br />Power rates <br />Energy is furnished to the consumer in the form of 3-phase, 50- <br />cycle current at approximately 2,400 volts, and is delivered at the <br />terminals of oil switches maintained by the District and located <br />at points convenient to the work. Power so furnished must be <br />used on aqueduct construction only, the consumer providing his <br />own distributing system and being required to cooperate with the <br />