J_2024 05 09_West Orange Stormwater Management Plan

Type III 24-hr 10 yr Rainfall=5.21" Printed 311412012 Post Development West Orange C_03 01 12 Prepared by TRC Engineers, Inc. HvdroCAD® 9.10 s/n 06401 © 2009 HydroCAD Software Solutions LLC Page 40 Summary for Pond MH-D: MH-D to MH12 [57] Hint: Peaked at 596.78' (Flood elevation advised) Inflow Area 3 Inflow = Outflow = Primary = 7.765 ac, 25.89% Impervious, Inflow Depth = 3.73" for 10 yr event 21.75 cfs @ 12.16 hrs, Volume3 2.413af 21.75 cfs @ 12.16 hrs, Volume= 2.413af, Atten= 0%, Lag= 0.0 min 21.75 cfs @ 12.16 hrs, Volume3 2.413af Routing by Dyn-Stor-Ind method, Time Span3 0.00-30.00 hrs, dt3 0.01 hrs / 2 Peak Elev= 596.78' @ 12.18 hrs Device Routing #1 Primary Invert Outlet Devices 592.70' 30.0" Round Culvert L= 90.0' Ke= 0.500 Inlet / Outlet Invert3 592.70' / 591.70' S= 0.0111 '/' Cc= 0.900 n= 0.020 Corrugated PE, corrugated interior Primary OutFlow Max=21.53 cfs @ 12.16 hrs HW=596.74' TW=595.70' (Dynamic Tailwater) ^-1=Culvert (Outlet Controls 21.53 cfs @ 4.39 fps) Pond MH-D: MH-D to MH12 Hydrograph L J 23_ _ L. ■ __1 ZS-cfi 21 75 cfs 2d 24-: 22- 1 21 i Iriflow Area=7.765 ac Peak Elev=596.78 1 i1 1--i— f 30.0 Round Culvert i- - *■ n=0.020 II : L=90.0' r-n S=0.011:1 7' -i 16- 15-: --. 17 14o. 13-j > 12- 2. 11 0J _ ._L - _ Inflow U Primary | J- -r —l i-» — l— t- — - - L-L 1 — J — -1— _l— — _ J _ _ i _ L _ X _ J ---------- ' r - r ■ i_j__ L ^ L- V/ o7 8 9 10 11 12 13 14 15 16 17 1 8 1 9 20 21 22 23 24 25 26 27 28 29 30 Time (hours) 1 & _ 1 — I ____l ______________ l ______________ ' I