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. HydroCAD® 9.10 s/n 06401 © 2009 HydroCAD Software Solutions LLC Printed 3/14/2012 Page 81 Summary for Pond MH-14: MH-16 to CB #1 [57] Hint: Peaked at 589.11' (Flood elevation advised) Inflow Area = Inflow = Outflow = Primary = 10.014 ac, 26.77% Impervious, Inflow Depth = 0.46" for NJDEP event 7.60 cfs @ 1.21 hrs, Volume= 0.382 af 7.60 cfs @ 1.21 hrs, Volume= 0.382 af, Atten= 0%, Lag= 0.0 min 7.60 cfs @ 1.21 hrs, Volume= 0.382 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-30.00 hrs, dt= 0.01 hrs / 2 Peak Elev= 589.11'@ 1.21 hrs Device Routing #1 Invert Outlet Devices Primary 588.00' 30.0" Round Culvert L= 174.0' Ke= 0.500 Inlet / Outlet lnvert= 588.00' / 576.00* S= 0.0690 ’/' Cc= 0.900 n= 0.020 Corrugated PE, corrugated interior Primary OutFlow Max=7.60 cfs @ 1.21 hrs HW=589.11' TW=577.37' (Dynamic Tailwater) 1=Culvert (Inlet Controls 7.60 cfs @ 3.59 fps) Pond MH-14: MH-16 to CB #1 Hydrograph ■ Inflow k B Primary | J 7 60 r.fs I 7.60 Cfs -1 L _ 1 _ J - - _ 1--- Inflow Area=10.014 ac Peak Elev=589.11' 30.0" - & _ 1 2 r Round Culvert n=0.020 L=174.0' S=0.0690 7’ 'i 0 1 2 3 45 6 78 mm 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Tima (hours)