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<br />erJ <br /> <br />.- <br />> I <br />, , <br /> <br />C <br /> <br />One-half CWCB loan at 5 percent interest payable over 40 years and <br /> <br />one-half interest-free loan payable over 40 years. (The interest-free <br /> <br />loan would be similar to financing that has been available in the past <br /> <br />from the Small Reclamation Projects Act of 1956). (Same as <br /> <br />Scenario D in th,~ Interim Report). <br /> <br />The unit cost of increased yield will be estimated as the ratio of the annual project cost to the <br /> <br />increased yield associated with an alternative as defined in subtask E12.9. Total annual costs <br /> <br />will be estimated as the sum of annual project costs and the annual OM&R costs of the <br /> <br />existing system. Comparison of alternatives will be based on estimated total capital costs, <br /> <br />annual project costs, unit costs, and total annual costs. Unless otherwise specified, the <br /> <br />procedures and techniques used previe,usly in the fmancial evaluations of alternatives <br /> <br />conducted for the study by Boyle will be used for these analyses. <br /> <br />The following work items are included in the financial evaluation of alternatives task: <br /> <br />E13.1 Estimate Costs - Costs will be estimated for project facilities at a reconnaissance level of <br /> <br />detail. The purpose of the preIiminary co,t estimates will be to provide an approximate basis <br /> <br />for comparison of the alternatives. Construction costs will be estimated on the basis of the <br /> <br />reports of previous investigations, available mapping, preIiminary designs, and manufacturers <br /> <br />quotations for mechanical features adjusted for installation. A contingency of 25% of <br /> <br />construction costs to account for approximations in estimates and uncertainties in conditions <br /> <br />will be included. An amount equal to 2O'.lt> of the sum of construction and contingency costs <br /> <br />35 <br />