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HomeMy WebLinkAboutApplication Files_82693_pg0743 72189 PR Type 11124-hr 25-Year Storm Rainfall=5.50" Prepared by{enter your company name here} Printed 7/26/2011 . HydroCADO 9.10 s/n 01237 @ 2009 HydroCAD Software Solutions LLC Page 66 8.00' x 1.00' deep channel, n= 0.022 Earth, clean&straight Side Slope Z-value= 3.0 '/' Top Width= 14.00' Length= 100.0' Slope= 0.0100 7' Inlet Invert=62.00', Outlet Invert= 61.00' �' :: -G _--'¢a- Y ._.tom - 4• - - - -- -sz .. t Summary for Pond P'lA: Biofiitration Basin 5 [87]Warning: Oscillations may require Finer Routing or smaller dt Inflow Area 1.839 ac, 46.87% Impervious, Inflow Depth = .2.08" for 25-Year Storm event Inflow 4.28 cfs @ 12.10 hrs, Volume= 0.318 of Outflow = 4.27 cfs @ 12.10 hrs, Volume= 0.318 af, Atten=0%, Lag= 0.0 min Discarded = 4.05 cfs @ 12.10 hrs, Volume= 0.302 of Primary - 0.21 cfs @ 12.09 hrs, Volume= 0.016 of Routing by Dyn-Star-Ind method, Time Span=0.00-72.00 hrs, dt= 0.05 hrs Peak.Elev= 59.30'@ 12.10 hrs Surf.Area=7,665 sf Storage= 1 cf Plug-Flow detention time=(not calculated: outflow precedes inflow) Center-of-Mass det. time=0.1 min (852.7-852.6) Volume Invert Avail.Stora a Storage Description #1 59.30' 6,107 cf Custom Stage Data(Irregular)Llsted below(Recalc) Elevation Surf.Area Perim. Inc.Store Cum.Store Wet.Area (feet) (sq-ft) (feet) (cubic-feet) (cubic-feet) (sq-ft) 59.30 7,664 473.0 0 0 7,664 60.00 9,829 526.0 6,107 6,107 11,892 Device Routing Invert Outlet Devices t #1 Discarded 59.30' 25.000 in/hr ExHitration over Surface area #2 Primary 59.00' 12.0" Round Culvert L=75.0' CPP, square edge headwall, Ke=0.500 Inlet/Outlet Invert=59.00'/58.50' S= 0.0067 /' Cc=0.900 n= 0.012 Steel, smooth Discarded Outflow Max=4.44 cfs @ 12.10 hrs HW=59.30' (Free Discharge) t-1=Exfiltration (Exfiltration Controls 4.44 cfs) 1 Primary OutFlow Max=0.22 cfs @ 12.05 hrs HW=59.30' TW=59.03' (Dynamic Tailwater) t--2=Culvert (Outlet Controls 0.22 cfs @ 1.69 fps)