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<br />~~"I" .,_,~ <br />.. ~:t:t-t~ ... <br /> <br />10 <br /> <br />Project investment cosfs.-Investment costs of the project are derived <br />in table 4 as follows: <br /> <br />TABU: 4.-Federal investment costs <br />Construction cost~h___ __ _ h___ _ _ _ _ ___ _ _. _ _ __ ~_ __ _ ____ _ _ _ ___ ~ <br />Less preauthorization costs. _ _ _ __ _ _ _ _ __~ _ ____ __ _ _ ___ __h_ _ _ ___ <br /> <br />$14.931,000 <br />310, 000 <br />14,621,000 <br />2,453,000 <br /> <br />Subtotal_________.___________.________________________ <br />Interest during construction '. _ _ _ __ _ _ _Uh_ __Uh_ ____ _ __ __ h_ <br /> <br />Net Federal investmenL _ _ _ _ _ _ _ __ ___ _ __ uu _ _ __ _ _ _h ___ <br />I Based on Control Schedule, Form PF-Z. <br />Net Federal investment costs shown in table 4 ure discounted fof <br />stage construction, resulting in all adjusted net Federal investment <br />cost of $15,010,000. Project operation, maintenllllce, and replacement <br />costs estimated at $212,000 annually are also discounted for stage <br />construction, resulting in an annual O,~I. &- R. cost of $160,000, The <br />annual project costs, adjusted for stage construction, are presented <br />in table 5. <br /> <br />17,074,000 <br /> <br />T.UlLE ,5.-Annual economic projed costs <br />Economic capital costs_ ._. h _ _ _ _ _ _ _ __ __ _ ______ ____ _ _ _ ~ _ _ _ _ _ ____ <br />Project 0.::\1. d:: n.. COSLh_._________h______h_h___h~______~. <br />San Luis Lake O.M. & R. costs____h__hh____hh_____~h_____ <br />Basic recreational Cacilitiesn__ _ ____ _ _ _ _ _ _ ___h~_ __ _ _ _ __ _ ____ <br />Fishing facilitiesn _ _ _ _ _ _ ____ _ _ __.:_ ___ _ __ _ _ _ _ _ ___ _ _ _ _ ~ ~ _ _ _ __ <br />::\1ishak ~ational Wildlife Refuge O.M. & R_____hhh___________ <br /> <br />Total annual economic cost_ __ _ ___ _ __ _ _ _ _ _ _ _ _ __ _ _ __ _ _ __ _ h <br /> <br />$738, 000 <br />160, 000 <br />44,000 <br />(43, 000) <br />(1,000) <br />51,000 <br /> <br />993,000 <br /> <br />Benefit-cost comparison <br />The ratios of evaluated annual economic benefits to IUlIlual economic <br />costs for the 100-year period of analysis tlre derived in tnble 6. <br /> <br />TABLE 6.-BENEFlT-COST RATIOS <br /> <br />Primary Total <br /> <br />Evaluated annual economic benefils.++nn______________h_nn_______h._____ <br />Annual economic cosls"hu__ _~______.++_..._____ _________.. .n_______."+___ <br />Benefit-c:ost ratio___h___ ._______________..u_._._ ,"n__ _ ___..h.____ _ ___.__ <br /> <br />$1. l43, 000 <br />$993,000 <br />1.35 <br /> <br />$2.123,000 <br />$993.000 <br />2.14 <br /> <br />Cost allocation <br /> <br />Table 7 presents estimated construction costs for the multiple- <br />purpose plan and various dual-purpose and single-purpose plans, based <br />on January 1969 prices. It is assumed that the alternative single- <br />purpose projects would be IOCUlt'd at. the site of the multiple-purpose <br />project. Construction costs fire combined with costs for interest during <br />construction at 4.875 percent and present worth of O.~1. & R. costs, <br />based on capitalization of the~e nnnual costs at 4.875 prrcent over a <br />IOO-year period, to give totul busic ('ost estimutes for us(' in the cost <br />allocation procedure. <br />Table S allocates the construction: intprest durin~ construction; and <br />op€'ration, maintenanc.e, and replacement costs of the plun of den'lop- <br />ment including the ~1ishllk Xationlll "~ildlife Rpfugp, Ilmong tht. pur- <br />poses sen'ed using the separable costs-remaining benefits method. <br />Results of the allocation ure summnrized in table 9. <br /> <br />Recreation andfish and wildlife enhancement <br /> <br />As set forth in Public LI1W 89-72, one-half of the sepamble costs nlJo- <br />ca.ted to fish Ilud wildlife and recreation and all the annuul O.~l. & R. <br />costs associated therewith would be reimbursable by non-Federal <br />