J_2024 05 09_West Orange Stormwater Management Plan

Type III 24-hr 100 yr Rainfall=8.72" Post Development West Orange B_03 01 12 Printed 3/14/2012 Prepared byTRC Engineers, Inc. Page 48 HvdroCAD® 9.10 s/n 06401 © 2009 HydroCAD Software Solutions LLC Summary for Pond MH-1: MH1 to MH4 [57] Hint: Peaked at 624.62' (Flood elevation advised) lnflowArea= 0.591 ac, 64.11% Impervious, lnflowDepth = 8.05" for 100yrevent 0.396 af Volume= 12.08 hrs, 4.95 cfs @ = Inflow 0.396 af, Volume= 12.08 hrs, 4.95 cfs @ = Outflow 0.396 af Volume= 12.08 hrs, 4.95 cfs @ = Primary Atten= 0%, Lag= 0.0 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-30.00 hrs, dt= 0.01 hrs / 2 Peak Elev= 624.62' @ 12.13 hrs Invert Outlet Devices 12.0" Round Culvert L= 15.0' Ke= 0.500 603.20' Inlet / Outlet lnvert= 603.20' / 602.20' S= 0.0667 ’/’ Cc= 0.900 n= 0.020 Corrugated PE, corrugated interior Device Routing #1 Primary Primary OutFlow Max=4.40 cfs @ 12.08 hrs HW=620.34' TW=618.98' (Dynamic Tailwater) 1=Culvert (Inlet Controls 4.40 cfs @ 5.60 fps) Pond MH-1: MH1 to MH4 Hydrograph i i I __ I A 95 r.f 4.95 cfs I Inflow I j Primary | . In flow Area=0.591 ac Peak Elev=624.62' i i i i i r — F i t Round Culvert n=0.020 : ; L=15.0 S=0.0667 V I ! £u 5 2 t— 12.0 i i i I I I mm m II111111111II111|-| II ||1111111111..... .......................... II ip inp mp II ||1 II |||| Ii|i mu II ||1 m p n ip ii ||| ii i|i li i|i iiiTWTfjTftTlfTWTlWPqfifflTnfr 0 1 2 3 4 56 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) n