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Q) C":i In ~ CHAPTER IV COMPREHENSIVE DEVELOPMENT period beginning with the rirst delivery of project water, Direct bene- '. fits only compare with the costs in a ratio or 0,97 to 1, Total benefits considered in the project benefit-cost comparison av- erage $2.132.200 annually, These include benefits from irrigation. power. rish and wildlife, and recreation as previously discussed in this chapter, The benefit values are summarized below, Irrigation Power Fish and wildlife Recreation Total Direct benefits $564.000 680.900 218.700 137,600 1,601.200 Indirect and public benefits $531.000 531.000 Total $1,095.000 680.900 218,700 137,600 2.132.200 Average annual equivalent costs determined ror comparison with the benefits are estimated at $1.655,900, These costs include construction costs and interest during construction at 3 percent interest, both amor- tized at 3 percent interest over the 100-year period of analysis; annual operation, maintenance. and replacement costs; and an assigned cost for river regulatory facilities or the Colorado River Storage project, The cost of regulatory facilities was based on $2 for each acre-root of an- nual stream depletion attributable to the Upper Gunnison project, Deri- vation of the average annual equivalent costs is shown below, Construction cost Interest during construction Total project investment Annual operation. maintenance, and replacement costs Share of Colorado River Storage project costs Total Total cost $41,603,800 3,066,800 44,670,600 Average annual e.'l.uivalent cost $1.413,700 178.600 63,600 1.655,900 Cost Allocations Preliminary allocations of project costs were made by the separable costs-remaining benefits method to irrigation, power, fish and wildlife. and recreation, The allocated costs include project construction costs; interest during construction at 3 percent; and annual operation, mainte- nance. and replacement costs, The allocations made are shown on the fol- lowing page, 29