J_2024 05 09_West Orange Stormwater Management Plan

Post Development West Orange C_03 01 12 NJ DEP 2-hrNJDEP Rainfall=1.25" Prepared by TRC Engineers, Inc. HvdroCAD® 9.10 s/n 06401 © 2009 HydroCAD Software Solutions LLC Printed 3/14/2012 Page 78 Summary for Pond MH H: MH H to MH I [57] Hint: Peaked at 598.09' (Flood elevation advised) Inflow Area = Inflow = Outflow = Primary = 2.250 ac, 29.83% Impervious, Inflow Depth = 0.52" for NJDEP event 2.16 cfs @ 1.25 hrs, Volume= 0.098 af 2.16 cfs @ 1.25 hrs, Volume= 0.098 af, Atten= 0%, Lag= 0.0 min 2.16 cfs @ 1.25 hrs, Vo!ume= 0.098 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-30.00 hrs, dt= 0.01 hrs / 2 Peak Elev= 598.09' @ 1.25 hrs Device Routing Invert Outlet Devices #1 Primary 597.00' 12.0" Round Culvert L= 154.0' Ke= 0.500 Inlet / Outlet lnvert= 597.00’ / 595.50' S= 0.0097 ’/’ n= 0.020 Corrugated PE, corrugated interior Cc= 0.900 Primary OutFlow Max=2.16 cfs @ 1.25 hrs HW=598.09' TW=596.49' (Dynamic Tailwater) 1=CuIvert (Outlet Controls 2.16 cfs @ 3.16 fps) Pond MH H: MH H to MH I Hydrograph Inflow Primary i ?..1fi.f. 2.16 cfs Inflow t—mm : ii Peak • z m n=0.020 ! i L=154.0* S=0.0097 7' — 0 1 2 12. 0” Round Culvert ■i o LL ac Elev=598.09‘ ;!:;!!!!! % *2 Area=2.250 3 45 6 78 wmm 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Time (hours) u