J_2024 05 09_West Orange Stormwater Management Plan

Post Development West Orange C_03 01 12 Prepared by TRC Engineers, Inc. NJ DEP 2-hrNJDEP Rainfall=1.25" Printed 3/14/2012 HydroCAD® 9.10 s/n 06401 © 2009 HvdroCAD Software Solutions LLC Page 75 Summary for Pond Div Chamber: Diversion Chamber to Aqua-Swirl [57] Hint: Peaked at 592.71' (Flood elevation advised) 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 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= 592.71' @ 1.21 hrs Device Routing #1 Invert Outlet Devices Primary 591.60’ 30.0" Round Culvert L= 88.0' Ke= 0.500 Inlet / Outlet lnvert= 591.60' / 588.00' S= 0.0409 V Cc= 0.900 n= 0.020 Corrugated PE, corrugated interior Primary OutFlow Max=7.60 cfs @ 1.21 hrs HW=592.71' TW=589.11’ (Dynamic Tailwater) 1=Culvert (Inlet Controls 7.60 cfs @ 3.59 fps) Pond Div Chamber: Diversion Chamber to Aqua-Swirl 'I \ 7 60 r.fs 7.60 Cfs - Hydrograph ----i--- .--- 1---1------- !--- i ! I :---------------- i--- !------- !--- 1---i-----------l i l t I t ' i i i'ttiiiiiiit iiti ii iii Infirm/ ArpasIH Hid. ar i _ 5 I 4- — -- r- t i i i ti ti i i i i t i i » « 1 t t 0 1 2 3 45 : i ; i i t t i.t i i 30.0" F i found Culvert i i i i i i i n=0.020 1=88 O' • 1 i Peak Elev=592.71' i i 1 i t t I Inflow j Primary I i i i i i S=0.0409 T j;; j | j| 11> 1 . 1 I I 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 Time (hours) ; 1 1 1 1 , . I f 1 1 1 1 1 1 . 1 . 1 1 1 1 1 1 1 I i