J_2024 05 09_West Orange Stormwater Management Plan

Post Development West Orange C_03 01 12 Prepared byTRC Engineers, Inc. Type III 24-hr 10 yr Rainfall=5.21" Printed 3/14/2012 HydroCAD® 9.10 s/n 06401 © 2009 HydroCAD Software Solutions LLC Page 35 Summary for Pond MH G: MH G to MH H [57] Hint: Peaked at 627.33' (Flood elevation advised) 1.267 ac, 31.48% Impervious, Inflow Depth = 4.01" for 10 yr event 4.33 cfs @ 12.19 hrs, Volume= 0.423 af 4.33 cfs @ 12.19 hrs, Volume= 0.423 af, Atten=0%, Lag= 0.0 min 4.33 cfs @ 12.19 hrs, Volume= 0.423 af Inflow Area = Inflow = Outflow = Primary = Routing by Dyn-Stor-Ind method, Time Span= 0.00-30.00 hrs, dt= 0.01 hrs / 2 Peak Elev= 627.33' @ 12.21 hrs Device Routing #1 Primary Invert Outlet Devices 598.50’ 12.0" Round Culvert L= 159.0' Ke= 0.500 Inlet / Outlet lnvert= 598.50' / 597.50’ S= 0.0063 '/' Cc= 0.900 n= 0.020 Corrugated PE, corrugated interior Primary OutFlow Max=4.24 cfs @ 12.19 hrs HW=626.73' TW=620.70' (Dynamic Tailwater) 1=Culvert (Outlet Controls 4.24 cfs @ 5.40 fps) Pond MH G: MH G to MH H Hydrograph —i—: ■ Inflow B Primary 4.33-cfsJ 4.33 CfS i. j Inflow Area=1.267 ac Peak Elev=627.33' % I ; Round Culvert IH n=0.020 L=159.0' S=0.0063 7 01 2 3456 7 3 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Time (hours)