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<br />. <br /> <br />. <br /> <br />~ . <br /> <br />2. An estimate of the amount of potential hydropower avail- <br />able for each alternative. <br /> <br />3. An estimate of the sizes of project facilities for each <br />alternative. <br /> <br />4. An analysis of the flood hydrology and sediment yield. <br /> <br />The operations studies shall be subject to the State's <br />review and approval before they are used in subsequent work <br />tasks. <br /> <br />Task 9 - Prepare Designs and Cost Estimates <br /> <br />The Contractor shall prepare appraisal-level designs of the <br />potential features of each alternative. These designs and mate- <br />rial quantities shall he estimated by utilizing USGS quadrangle <br />maps or, when available, preliminary designs and detailed topog- <br />raphy from other studies. The preliminary design effort shall be <br />accomplished in sufficient detail to permit the preparation of an <br />appraisal-level cost estimate of each alternative. <br /> <br />The cost estimate shall be based upon January 1, 1982 <br />dollars. The estimated costs will be calculated from material <br />quantities taken from the above designs. These quantities will <br />be estimated from computer programs utilizing physical and design <br />data input, quantity curves or other methods deemed appropriate <br />by the Contractor. Unit material costs shall be applied to the <br />quantities to generate total costs. The cost estimate shall <br />include all items necessary to complete construction of the <br />project, including but not limited to: cost of subsequent <br />studies, permitting, preparation of final designs and contract <br />specifications, relocations, land acquisition and interest during <br />construction. <br /> <br />In addition to the designs and construction cost estimates, <br />the Contractor shall project a detailed summary of annual opera- <br />tion, maintenance and replacement costs for each alternative <br />using data from similar projects. <br /> <br />Task 10 - Prepare Financial Analysis <br /> <br />The Contractor shall prepare a financial analysis of each <br />competitive plan. This will include a calculation of. the yearly <br />project payback amount under various financing methods, <br />including but not limited to: <br /> <br />1. Revenue Bonds <br /> <br />2. General Obligation Bonds <br /> <br />3. Advances under the State's Construction Fund Program <br /> <br />4. Capital Contributions by Water and Power Purchasers <br /> <br />6 <br />