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HomeMy WebLinkAboutApplication Files_82693_pg0780 72189 PR Type 1/124-hr 100-Year Storm Rainfall=6.90" ' Prepared by{enter your company name here} Printed 7/26/2011 HydroCAD®9.10 s/n 01237 ©2009 HydroCAD Software Solutions LLC Page 102 ' Volume Invert Avail.Storage Storage Description #1 59.00, 22,461 cf Custom Stage Data(Prismatic)Listed below(Recalc) ' Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 59.00 641 0 0 ' 60.00 2,547 1,594 1,594 61.00 4,520 3,534 5,128 62.00 7,622 6,071 11,199 63.00 14,902 11,262 22,461 Device Routing Invert Outlet Devices #1 Primary 62.00' 30.0' long x 15.0' breadth Broad-Crested Rectangular.Weir ' Head (feet) 0.20 0.40 0:60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.68 2.70 2.70 2.64 2.63 2.64 2.64 2.63 #2 Discarded 59.00' 25.000 in/hr Exfiltration over Surface area ' Discarded Outflow Max=1.85 cfs @ 12.38 hrs HW=60.33' (Free Discharge) L2=Exfiltration (Exfiltration Controls 1.85 cfs) Primary Outflow Max=0.00 cfs @ 0.00 hrs HW=59.00' TW=62.00' (Dynamic Tailwater) L1=Broad-Crested Rectangular Weir( Controls 0.00 cfs) Summary for Pond P4B: Existing Depression [871 Warning: Oscillations may require Finer Routing or smaller dt [801 Warning: Exceeded Pond NA by 3.00'@ 14.10 hrs (0.00 cfs 0.510 af) Inflow Area = 2.255 ac, 13.29% Impervious, Inflow Depth = 1.40" for 100-Year Storm event Inflow 3.58 cfs @ 12.10 hrs, Volume= 0.262 of Outflow 2.32 cfs @ 12.21 hrs, Volume= 0.262 af, Atten= 35%, Lag= 6.6 min Discarded = 2.32 cfs @ 12.21 hrs, Volume= 0.262 of Primary = 0.00 cfs'@ 0.00 hrs, Volume= 0.000 of Routing by Dyn-Stor-Ind method,Time Span=0.00-72.00 hrs, dt= 0.05 hrs Peak Elev= 62.34'@ 12.21 hrs Surf.Area=4,007 sf Storage= 929 cf ' Plug-Flow detention time=(not calculated: outflow precedes inflow) Center-of-Mass det. time=2.4 min ( 845.1 842.7 ) Volume Invert Avail.Storage Storage Description #1 62.00' 12,950 cf Custom Stage Data (Irregular)Listed below(Recalc) Elevation Surf.Area Perim. Inc.Store Cum.Store Wet.Area (feet) (sq-ft) (feet) (cubic-feet) (cubic-feet) (sq-ft) 62.00 1,628 502.0 0 0 1,628 ' 63.00 11,616 613.0 5,864 5,864 11,493 63.50 16,892 643.0 7,086 12,950 14,508