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. HvdroCAD® 9.10 sIn 06401 © 2009 HydroCAD Software Solutions LLC Printed 3/14/2012 Page 15 Summary for Pond MH H: MH H to MH I [57] Hint: Peaked at 604.26' (Flood elevation advised) Inflow Area = Inflow = Outflow = Primary = 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=0.0min 4.05 cfs @ 12.22 hrs, Volume= 0.434 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-30.00 hrs, dt= 0.01 hrs / 2 Peak Elev= 604.26' @ 12.22 hrs Device Routing #1 Primary Invert Outlet Devices 597.00' 12.0" Round Culvert L= 154.0' Ke= 0.500 Inlet / Outlet lnvert= 597.00' / 595.50' S= 0.0097 V Cc= 0.900 n= 0.020 Corrugated PE, corrugated interior Primary OutFlow Max=4.05 cfs @ 12.22 hrs HW=604.26’ TW=598.91* (Dynamic Tailwater) ■1=Culvert (Outlet Controls 4.05 cfs @5.16 fps) Pond MH H: MH H to MH I Hydrograph I Inflow I I Primary | d OR cfs 4.05 cfs —en Inflow Area=2.250 ac Peak Elev=604.26' 12.0 Round Culvert ii n=0.020 L=154.0' S=0.0097 V L-1-J ill 8 ;v ; £ 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Time (hours)