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<br />SUMMARY (Continued) <br /> <br />power generation but would consist only of facilities to deliver the <br />197,600 acre-feet of water. <br /> <br />Summary Table 1 compares the features of the five alternatives. The <br />Fifth Water Pumped Storage Alternative would include two dams and reser- <br />voirs, three flow-through powerplants, and one pumped storage powerplant. <br />The powerplants would have a combined generating capacity of about 1,147 <br />megawatts (MW). Conveyance works would consist of one tunnel, five <br />penstocks, two discharge tunnels, and one pipeline. Additionally, an <br />access tunnel, an access shaft ,. and a ventilation shaft would be con- <br />structed. Access roads would include 22.4 miles of new roads and 15.8 <br />miles of existing roads to be upgraded. Transmission lines from the <br />Diamond Fork Power System to the interconnected transmission system would <br />consist of 8.5 miles of 345-kilovolt (kV) double-circuit and 8.0 miles of <br />46-kV lines. Four switchyards and one substation would be constructed. <br />Recreation facilities would be provided, stream fisheries would be <br />considerably enhanced, limited reservoir fisheries would be created, some <br />flood control would be accomplished in Diamond Fork, and measures would <br />be taken to mitigate wildlife losses. <br /> <br />The Sixth Water Flow Through Alternative would include three dams <br />and reservoirs and five flow-through powerplants. The powerplants would <br />have a combined capacity of about 150 MW. Conveyance works would <br />consist of one tunnel, three penstocks, two aqueducts, and one pipeline. <br />Access roads would include 20.2 miles of new roads and 19.1 miles of <br />existing roads to be upgraded. Transmission lines would consist of 3.5 <br />miles of 230-kV and 4.7 miles of 46-kV lines. Five switchyards and one <br />substation would be constructed. As in the recommended plan, recreation <br />facilities would be provided, stream fisheries would be considerably <br />enhanced, a limited reservoir fishery would be created, some flood <br />control would be accomplished in Diamond Fork, and wildlife losses would <br />be mit igated. <br /> <br />The Sixth Water Pumped Storage Alternative would include three dams <br />and reservoirs, three flow-through powerplants, and two pumped storage <br />powerplants. The powerplants would have a combined capacity of about 420 <br />MW. Conveyance works wou Id consist of one tunue 1, three penstocks, two <br />aqueducts, and one pipeline. Access roads would include 20.2 miles of <br />new roads and 19.1 miles of existing roads to be upgraded. Transmission <br />lines would consist of 3.5 miles of 230-kV and 4.7 miles of 46-kV lines. <br />Five switchyards and one substation would be constructed. As in the <br />recommended plan, recreation facilities would be provided, stream fish- <br />eries would be considerably enhanced, a limited reservoir fishery would <br />be created, some flood control would be provided in Diamond Fork, and <br />wildlife losses would be mitigated. <br /> <br />The 1964 Definite Plan Report Alternative would include three dams <br />and reservoirs and three flow-through powerplants. The powerplants would <br />have a combined capacity of about 130 MW. Conveyance works would con- <br />sist of one tunnel, three penstocks, and three aqueducts. Access <br />roads would include 11.4 miles of new roads and 16.3 miles of existing <br />roads to be upgraded. Transmission lines would consist of 3.5 miles of <br /> <br />S-2 <br />