J_2024 05 09_West Orange Stormwater Management Plan

Post Development West Orange B_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 73 Summary for Pond MH-7: MH-7 to MH-11 [57] Hint: Peaked at 597.39’ (Flood elevation advised) 5.076 ac, 24.87% Impervious, Inflow Depth = 4.12 cfs @ 1.14 hrs, Volume= 4.12 cfs@ 1.14 hrs, Volume3 4.12 cfs @ 1.14 hrs, Volume3 Inflow Area = Inflow = Outflow = Primary = 0.40" forNJDEP event 0.171 af 0.171 af,Atten=0%, Lag= 0.0 min 0.171 af Routing by Dyn-Stor-Ind method, Time Span3 0.00-30.00 hrs, dt= 0.01 hrs / 2 Peak Elev= 597.39’ @ 1.14 hrs Device Routing #1 Primary Invert Outlet Devices 596.50’ 30.0'' Round Culvert L3 360.0' Ke= 0.500 Inlet / Outlet Invert3 596.50' / 592.80’ S3 0.0103 V Cc= 0.900 n= 0.020 Corrugated PE, corrugated interior Primary OutFlow Max=4.12 cfs @ 1.14 hrs HW=597.39' TW=0.00' (Dynamic Tailwater) 1=Culvert (Barrel Controls 4.12 cfs @ 3.92 fps) Pond MH-7: MH-7 to MH-11 Hydrograph Zl I Inflow | I Primary | d 1? r.f ,12c sr Inflow Area=5.076 ac Peak Elev=597.39' 30.0” Round Culvert n=0.020 L=360.0' S=0.0103 V 22 2 2 m 0 1 2 3 4S6 7 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)