J_2024 05 09_West Orange Stormwater Management Plan

Type III 24-hr 2 yr Rainfall=3.42" Post Development West Orange C_03 01 12 Prepared by TRC Engineers, Inc. Printed 3/14/2012 Page 16 HydroCAD® 9.10 s/n 06401 © 2009 HydroCAD Software Solutions LLC Summary for Pond MH I: MH I to MH 12 [57] Hint: Peaked at 598.91’ (Flood elevation advised) 2.250 ac, 29.83% Impervious, Inflow Depth = 2.32" for 2 yr event 4.05 cfs @ 12.22 hrs, Volume= 0.434 af 4.05 cfs @ 12.22 hrs, Volume= 0.434 af, Atten= 0%, Lag= 0.0 min 0.434 af 4.05 cfs @ 12.22 hrs, Volume= 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= 598.91' @ 12.22 hrs Invert Outlet Devices 595.50’ 12.0" Round Culvert L= 91.0’ Ke= 0.500 Inlet / Outlet Invert3 595.50’ / 594.50’ S= 0.0110 V’ Cc= 0.900 n= 0.020 Corrugated PE, corrugated interior Device Routing #1 Primary Primary OutFlow Max=4.05 cfs @ 12.22 hrs HW3598.91' TW=593.87' (Dynamic Tailwater) 1=Culvert (Barrel Controls 4.05 cfs @ 5.16 fps) Pond MH I: MH I to MH 12 Hydrograph ■: I 4 D.6 r.fs I l 4.05 Cfs V 1_ _ I Inflow I i Primary! Inflow Area=2.250 ac Peak Elev*598.9r -- 1ii 4,J 12.0 •l Round Culvert r; n=0.020 ■ I | L=91 .0' £2 T 8=0.0110 T III B "N"in 0 1 2 345 67 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) mm