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<br />Benefit - Cost Analysis
<br />
<br />An evaluation of total annual benefits relative to estimated
<br />e~uivalent costs results in a benefit-cost ratio of 1.42 to 1
<br />on an lOa-year period of analysis at 3~ percent interest. The
<br />cost analysis is presented below in table 2.
<br />
<br />annual
<br />based
<br />benefi t-
<br />
<br />Table-l--Benefi t-co~.t analysiO'.J8ol}._ar")_______._ ___ _.___. __.__ __n.___
<br />Item Amount
<br />
<br />Investment
<br />Estimated proj. cost
<br />Less future recreational development
<br />Add. discounted future recreation costs
<br />Adjusted project cost
<br />Less highway improvement (PL. 87-874)
<br />Less pre authorization investigation
<br />Subtotal
<br />Interest during construction
<br />Less highway improvement IDC
<br />Net project investment
<br />
<br />Annual costs
<br />Equivalent of investment 1/
<br />Annual OM&R costs
<br />Dam & reservoir
<br />Wildlife management area
<br />Jackson Lake
<br />Recreation development
<br />Initial lands & facilities
<br />Future facilities (discounted)
<br />Fish hatchery & rearing unit
<br />Total annual costs
<br />
<br />Annual benefits
<br />Irrigation
<br />Narrows water supply-direct
<br />Narrows water supply-indirect & public
<br />Savings in OM&R by irrig. interests
<br />Flood control
<br />Fish & wildlife enhancement
<br />National
<br />Local
<br />Recreation
<br />Initial development
<br />Discounted future development
<br />Total annual benefits
<br />
<br />Benefit-cost ratios
<br />Direct benefits only
<br />Total benefits
<br />
<br />1/ 100 years a~% - factor .03388.
<br />
<br />October 1972 prices.
<br />
<br />15
<br />
<br />89,750,000
<br />304,000
<br />188,000
<br />89,634,000
<br />
<br />186,000
<br />1,717,000
<br />
<br />1,903,000
<br />--s?, 731,000
<br />
<br />9,989,000
<br />21 ,000
<br />
<br />9,968,000
<br />97,699,000
<br />
<br />3,310,000
<br />
<br />35,700
<br />42,500
<br />20,700
<br />
<br />164,400
<br />.17 ,500
<br />
<br />181,900
<br />74,400
<br />3,665,200
<br />
<br />1,394,000
<br />221,500
<br />_l~O_OQ
<br />
<br />1,631,500
<br />1,599,000
<br />
<br />51,000
<br />.?9l,20o.
<br />
<br />552,200
<br />
<br />1,162,500
<br />248,100
<br />
<br />1,410,600
<br />5,193,300
<br />
<br />1.36
<br />1.42
<br />
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