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<br />Cost functions for construction, operation, maintenance and replace- <br />ment and amortization may be provided for reservoirs (a function of <br />storage) and nonreservoirs (a function of design discharge). A dis- <br />count rate for amortization of capital cost is also needed. <br /> <br />The needed input data can be scaled to the problem under study, <br />for example, it can be minimal for very preliminary planning studies <br />or it can be very detailed for modeling existing systems. The data <br />requ'rements for a full flood control system planning study are: <br />- General information such as output labels, simulation <br />c~ntrol data (time periods, computation intervals, print control, etc.) <br />- Reservoir capacities at top of conservation and top of <br />flood control pool elevations, downstream control points for which <br />each reservoir is operated, and reservoir storage/outflow tables. <br />- Control point (including reservoirs) identification numbers <br />and titles, channel capacities (safe flow capacity), and channel rout- <br />ing criteria. <br />- Inflow or local flow data for each control point for one <br />or more historical or synthetic floods. <br />- Peak discharge-damage-frequency data for each damage index <br />location. reservoir capital costs vs. storage or nonreservoir capital <br />costs vs. design. discharge; capital recovery factor, and annual <br />operation and maintenance cost functions. <br /> <br /> <br />The program outputs a listing of input data, hydrologic results <br /> <br /> <br />of system operation arranged by downstream sequence of control points, <br /> <br /> <br />15 <br />