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<br />(15) Summaries of hydropower,energy an,9 benefits. <br /> <br />(i6j Annual summaries Gt-max, min or avg tor selected varldbtes <br />at selected control points. <br /> <br />(17) Specified variables at selected control points can be printed <br />for all time periods (user determined output). , <br /> <br />(la) Trace features can be called to print out intermediate answers <br />for certain control points (TC card) and certain time periods (TP cards). <br />The level of trace is assumed as 15 unless shown on the J2 card. <br /> <br />S, RESERVOIR OPERATIONAL CRITERIA <br /> <br />a. Reservoirs are operated to satisfy constraints at individual <br />reservoirs, to maintain specified flows at downstream control points, and <br />to keep the system in balance. Constraints at individual reservoirs are <br />as follows: <br /> <br />(l) When the level of a reservoir is between the top of conservation <br />pool and the top of flood pool, releases are made to attempt to draw the <br />reservoir to the top of conservation pool without exceeding the designated <br />channel capacity at the reservoir or at downstream control points for which <br />the reservoir is being operated. <br /> <br />(2) Releases are made equal to or greater than the minimum desired <br />flows when the reservoir storage is greater than the top of buffer storage, <br />and equal to the required flow if between level one and the top of buffer <br />pool. No releases are made when the reservoir is below level one (top of <br />inactive pool). Releases calculated for hydropower requirements will <br />override minimum flows if they are greater than the controlling desired <br />or required flows. <br /> <br />(3) Releases are made equal to or less than the designated channel <br />capacity at the reservoir until the top of flood pool is exceeded, then <br />all excess flood water is dumped if sufficient outlet capacity is available. <br />If insufficient capacity exists, a surcharge routing is made. Input <br />options permit channel capacity releases (or greater) to be made prior <br />to the time that the reservoir level reaches the top of the flood pool <br />if forecasted inflows are excessive. <br /> <br />(4) The reservoir release is never greater (or less) than the <br />previous period release plus (or minus) a specified percentage of the <br />channel capacity at the dam site, unless the reservoir is in surcharge <br />operation. <br /> <br />b. Operational criteria for specified downstream control points are <br />as follO'lls: <br /> <br />(l) Releases are not made (as long as flood storage remains) <br />which would contribute to flooding at one or more specified downstream <br /> <br />12 <br />