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FLOOD01090
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Last modified
11/23/2009 10:39:26 AM
Creation date
10/4/2006 9:46:58 PM
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Template:
Floodplain Documents
County
Statewide
Title
Spillway Rating and Flood Routing - Users Manual
Date
10/1/1966
Prepared For
US
Prepared By
US Army Corps of Engineers
Floodplain - Doc Type
Educational/Technical/Reference Information
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<br />TAtJU; 2 <br /> <br />1 Release based on storare indication routing <br /> <br />2 <br /> <br />Mini/IJUIII release. - A release of "QMINl" would not <br />cause pool to ret to elevation of bottom of surcharge <br /> <br />t <br /> <br />3 <br /> <br />Release . Discharge at top of induced surcharre pocl <br />since Q to satisfy "Case S. is greater than "~TuFSft" <br /> <br />4 <br /> <br />S <br />6 <br /> <br />Outflow . inflow <br /> <br />Gate regulation release (equation 3 of EM 1110-2-3600) <br /> <br />Release = QM1Nl. - Gate rep,ulation release would be less <br />than "QMINl n. <br /> <br />7 <br /> <br />Release. - Based on discharge resulting from maintaining <br />maximum gate opening until top of flood control pool is <br />reached (partial Fate opening). <br /> <br />8 <br /> <br />Release equals average of previous period'S release and <br />current inflow since pool elevation is below tor Uood <br />pool and is falling. <br /> <br />9 <br /> <br />Release . "CHeAP" since pool elevation is below top of <br />flood pool and inflow is less than .CHCAP" <br /> <br />12 <br /> <br />Release based on bringing pool elevation down to top of <br />Induced Surcharge Pool exactly at the end of a period. <br /> <br />Release based on freeflow discharge (all gates fully open) <br />since gate regulation release (Case S) is greater than <br />freeflow discharge <br /> <br />Release based on not exceeding "Ql" (The average inflow <br />for the last one hour based on estimated rate of rise of <br />reservoir). <br /> <br />10 <br /> <br />11 <br /> <br />b. <br /> <br />Modified PuIs Method (cases not printed out) <br /> <br />Release based on storage indication routing (Modified <br />Puls) <br /> <br />1 <br /> <br />6 <br /> <br />...... <br />
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