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<br />. <br /> <br />[[)oom~Tf. <br /> <br />July 1975 <br />OPR addendum <br /> <br />($1,000) <br />January 1981 <br />As authorized Without flood control <br /> <br />Narrows Dam and Reservoir <br /> <br />$126,745 <br />4,175 <br /> <br />$278,529 $241,029 <br />8,957 8,957 <br />2,598 2,598 <br />10,090 10,090 <br />$300, 17 4.!./ $262,674 <br /> <br />Recreation development <br /> <br />Fish and wildlife <br />Enhancement <br />Mitigation <br /> <br />Total project cost <br /> <br />1,585 <br />6,520 <br /> <br />$139,025 <br /> <br />Jj The total project cost of $300,174,000 exceeds the adjusted project <br />cost ceiling by $39.3 million which is less than the project <br />contingencies. <br /> <br />Other Considerations <br /> <br />Potential Hydroelectric Powerplant <br /> <br />A 2.3 megawatt hydroelectric power facility was estimated to utilize <br />river releases averaging 750 ft3/s in June, July, and August, and <br />150 ft3/s during the remainder of the year. <br /> <br />The cost estimate for the potential powerpl ant was based on apprai sal <br /> <br />level cost curves developed by Tudor Engineering Company, Denver, <br />Colorado, under contract wi th the Bureau of Recl amation. The cost for <br />modifyi ng the river outl et works was added, and the powerpl ant costs <br />were indexed to January 1981 price levels. The cost of constructing a <br />2.3-megawatt powerpl ant at Narrows Dam woul d be approximately <br />$6.9 million including indirect costs and interest during construction. <br /> <br />Fish and Wildlife and Recreation <br /> <br />The fi sh and wil dl ife recreati on purposes were not modifi ed for thi s <br /> <br />evaluation. <br /> <br />5 <br />