J_2024 05 09_West Orange Stormwater Management Plan

Post Development West Orange B_03 01 12 Prepared by TRC Engineers, Inc. NJ DEP 2-hrNJDEP Rainfall* 1.25" Printed 3/14/2012 HvdroCAD® 9.10 s/n 06401 © 2009 HydroCAD Software Solutions LLC Page 76 Summary for Pond MH-C: MH-Cto MH-D [57] Hint: Peaked at 597.64' (Flood elevation advised) Inflow Area = Inflow = Outflow = Primary = 1.209 ac, 37.17% Impervious, Inflow Depth = 0.57" for NJDEP event 1.45 cfs @ 1.22 hrs, Volume= 0.058af 1.45 cfs @ 1.22 hrs, Volume= 0.058 af, Atten= 0%, Lag= 0.0 min 1.45 cfs @ 1.22 hrs, Volume= 0.058af Routing by Dyn-Stor-Ind method, Time Span= 0.00-30.00 hrs, dt= 0.01 hrs / 2 Peak Elev= 597.64' @ 1.22 hrs Invert Outlet Devices 597.00' 12.0" Round Culvert L= 205.0' Ke= 0.500 Inlet / Outlet lnvert= 597.00’ / 592.70' S= 0.0210 '/' Cc= 0.900 n= 0.020 Corrugated PE, corrugated interior Device Routing #1 Primary Primary OutFlow Max=1.45 cfs @ 1.22 hrs HW=597.64' TW=0.00' (Dynamic Tailwater) 1=Culvert (Inlet Controls 1.45 cfs @ 2.73 fps) Pond MH-C: MH-Cto MH-D Hydrograph ii; ■ Inflow | M Primary | cl 45 cfs Inflow Area=1.209 ac Peak Elev=597.64' 12 .0 " -H Round Culvert n=0.020 L=205.0' S=0.0210 % % 0- 12 34 567 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Time (hours)