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<br />I <br />I <br />I <br />I <br />I <br /> <br />- _." ...... <br />'. , . tl <br />,./.... <br /> <br />ENGINEERING <br /> <br />55 <br /> <br />pipe line is scheduled early in the succeeding fiscal year to be fol~ <br />lowed by specifications for the Garvey-Victoria Street feeder line <br />and the Century Boulevard lateral. <br />The La Verne-Garvey line is an essential part of the middle <br />feeder system, but will be deferred until additional capacity is <br />required to supplement the Palos Verdes feeder. This need may <br />develop in the near future if a prospective, large annexation in <br />Los Angeles County is consummated. Prior to completion of the <br />La Verne-Garvey line, the middle feeder system will be served by <br />means of the portion of the existing Palos Verdes feeder extend- <br />ing from Eagle Rock Canyon to Ascot reservoir, which will trans- <br />port a maximum of 210 cubic feet per second, or sufficient to <br />supply the southern portion of the Palos Verdes system, with a <br />remainder of about 110 cubic feet per second for supplying the <br />middle feeder system. <br /> <br />LOlVer fccdfJ1" system <br />The lower feeder system in Riverside and Orange counties wiJI <br />include the proposed 10-foot diameter Cajalco tunnel extending <br />7,500 feet southwesterly from the distribution system head works <br />north of Lake Mathews, a pipe line 18 miles long cxtending from <br />the tunnel to the Santa Ana River in the vicinity of the town of <br />Olive, a connection 2 miles long to the two canals on the south <br />and north banks of the river, and a branch pipe line 7 miles long <br />extending southerly to the Santiago reservoir of the Irvine Com- <br />pany. The tunnel is designed to convey the ultimate 750 cubic feet <br />per second capacity of the lower feeder, while the pipe lines to be <br />constructed i'1i1i!!IlL ;!.W_ba_vlLa_capacity_oL200_cubiC-feet_pel"---- --- <br />second from the tunnel to the Santa Ana River delivery points, <br />and 100 cubic feet pel' second to Santiago reservoir. The location <br />of these facilities is shown on figure 1. <br />Specifications for the Cajalco tunnel of the lower feeder were <br />ready for issuance at the close of the fiscal year. <br />Field surveys were in progress on the lower feeder pipe lines <br />during the fiscal year, as were studies in regard to design features <br />of the. main pipe line to be constructed initially. Annexation of <br />an additional coastal area in the southerly part of Orange County <br />is in prospect, and may bring about an early increase in the service <br />area of the lower feeder. <br />Other pipe lines under consideration in Orange County include <br />a lateral extending 6 miles westerly from the existing Orange <br />