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 byTRC Engineers, Inc. HydroCAD® 9.10 s/n 06401 © 2009 HydroCAD Software Solutions LLC Printed 3/14/2012 Page 67 Summary for Pond MH-1: MH1 to MH4 [57] Hint: Peaked at 603.82' (Flood elevation advised) 0.591 ac, 64.11% Impervious, Inflow Depth = 0.81" for NJDEP event 1.38cfs@ 1.11 hrs, Volume= 0.040 af 1.38 cfs @ 1.11 hrs, Volume= 0.040 af, Atten=0%, Lag= 0.0 min 1.38 cfs @ 1.11 hrs, Volume= 0.040 af 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= 603.82'@ 1.11 hrs Device Routing #1 Primary Invert Outlet Devices 603.20' 12.0" Round Culvert L= 15.0' Ke= 0.500 Inlet / Outlet lnvert= 603.20' / 602.20' S= 0.0667 '/' Cc= 0.900 n= 0.020 Corrugated PE, corrugated interior Primary OutFlow Max=1.37 cfs @ 1.11 hrs HW=603.82' TW=602.84' (Dynamic Tailwater) 1=Culvert (Inlet Controls 1.37 cfs @ 2.68 fps) Pond MH-1: MH1 to MH4 Hydrograph z 1;: ■ Inflow I 1 38 r.f 1.38 cfs z z 4 U Primary Inflow Area=0.591 ac Peak Elev=603.82' i 12 .0 ” k Round Culvert <iiiiiiiii n=0.020 L=15.0' S=0.0667 V zz i O in V/s Vs mm % 0 1 2 3 45 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Tims (hours)