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• <br />SEDCAD 4 for V1lindov+~s <br />rt~~~,.~..ht +ooa o~moi~ I Rrhu,ah <br />12 <br />Emergency Spillway <br />Spillway Elev Crest Length Left Right Bottom <br />(ft) Sideslope Sideslope Width (ft) <br />7,345.50 25.00 3.00:1 3.00:1 20.00 <br />Pond Results: <br />Peak Elevation: 7,346.16 <br />H'graph Detention Time: 2.55 hrs <br />Pond Model: CSTRS <br />Dewater Time: 0.75 days <br />Trap Efficiency: 80.19 <br />Dewatering time is ca/culated from peakstage to /owestspillway <br />Elevation-Capacity-Discharge Table <br />• <br />*Designates time(s) to dewater have been extrapolated beyond the 50 hour hydrograph limit. <br /> <br />Elevation Area <br /> <br />(ac) Capacity <br /> <br />(ac-ft) Discharge <br /> <br />(~s) Dewater <br />Time <br />(hrs) <br />7,343.45 1.109 0.000 0.000 Top of Sed. Storage <br />7,343.50 1.112 0.054 0.000 <br />7,344.00 1.140 0.617 0.000 <br />7,344.50 1.172 1.195 0.000 <br />7,345.00 1.204 1.789 0.000 <br />7,345.50 1.237 2.399 0.000 Spillway #1 <br />7,346.00 1.270 3.025 1.278 5.93* <br />7,346.16 1.278 3.233 16.127 12.00 Peak Stage <br />7,346.50 1.299 3.668 47.313 <br />7,347.00 1.329 4.325 101.761 <br />7,347.50 1.359 4.997 170.230 <br />7,348.00 1.390 5.685 256.754 <br />Detailed Discharge Table <br />• <br /> Combined <br /> Emergency Total <br />Elevation Spillway (cfs) Discharge <br /> (cfs) <br />7,343.45 0.000 0.000 <br />7,343.50 0.000 0.000 <br />7,344.00 0.000 0.000 <br />7,344.50 0.000 0.000 <br />Filename: Pond 012A Design TR37 25Yr 24Hr.sc~ <br />TR-37 <br />13-12-1.90 <br />Printed 02-18-2008 <br />Revised 02/08 <br />