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<br />
<br />Narrows Unit
<br />January 1967
<br />
<br />BENEFITS AND COSTS (Annual, 100-year analysis)
<br />
<br />Benefi ts
<br />
<br />Item
<br />
<br />Direct
<br />
<br />Total
<br />
<br />Irrigation (250/265
<br />Flood control ~
<br />Recreation ~
<br />Fish and wildlife
<br />Total
<br />
<br />prices)
<br />
<br />$1,631,500
<br />961,000
<br />790,000 E./
<br />292,700
<br />~3,675,200
<br />
<br />$1,410,000
<br />961,000
<br />790,000 E/
<br />enhancement ~ 292,700
<br />$3,453,700
<br />
<br />~ Benefits provided by cooperating agencies.
<br />~ Adjusted for time and rate of occurrence.
<br />
<br />Costs
<br />
<br />Iten
<br />
<br />Mount
<br />
<br />,
<br />
<br />Annual E'luivalent of investment (lOO-years
<br />@ 3-1/8%)
<br />Annual OM&R
<br />Dam and reservoir
<br />Recreation
<br />Fish & wildlife management
<br />
<br />$2,107,000 !d
<br />
<br />$26,300
<br />86,900 'E./
<br />
<br />area
<br />Jackson Lake
<br />Total
<br />
<br />37,000
<br />18,000
<br />
<br />168,200
<br />$2,275,200
<br />
<br />~/ Based on a net investment of $64,306,000 derived as follows:
<br />project cost $61,820,000, minus future recreation develop-
<br />ment $1,140,000, plus discounted future recreation develop-
<br />ment $560,000, less road relocation (P.L. 87-874) $139,000,
<br />less preauthorization investigations $1,702,000, plus
<br />interest during construction $4,918,600, less road reloca-
<br />tion interest during construction $11,600.
<br />
<br />E./ Recreation
<br />to reflect
<br />analysis.
<br />BENEFIT-COST RATIO
<br />
<br />OM&R is adjusted downward from $153,700 ultimate
<br />rate and time of occurrence for benefit-cost
<br />
<br />(lOO-year @ 3-1/8 percent)
<br />
<br />Direct
<br />Total
<br />
<br />1.52
<br />1.62
<br />
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