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 72 Summary for Pond MH-6: MH 6 to MH 11 [57] Hint: Peaked at 598.59' (Flood elevation advised) Inflow Area = Inflow = Outflow = Primary = 5.076 ac, 24.87% Impervious, Inflow Depth = 4.12 cfs @ 1.14 hrs, Volume= 4.12 cfs @ 1.14 hrs, Volume= 4.12 cfs @ 1.14 hrs, Volume= 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 Span= 0.00-30.00 hrs, dt= 0.01 hrs / 2 Peak Elev= 598.59' @ 1.14 hrs Device Routing #1 Primary Invert Outlet Devices 597.60' 18.0" Round Culvert L= 45.0' Ke= 0.500 Inlet / Outlet lnvert= 597.60' / 596.50' S= 0.0244 '/’ Cc= 0.900 n= 0.020 Corrugated PE, corrugated interior Primary OutFlow Max=4.12 cfs @ 1.14 hrs HW=598.59' TW=597.39' (Dynamic Tailwater) 1=Culvert (Outlet Controls 4.12 cfs @ 4.72 fps) Pond MH-6: MH 6 to MH 11 Hydrograph “—i—;—r I Inflow | j Primary | iiii 4.1?..rfs I ; .12 cfs 1^ i Inflow Area=5.076 aq Peak Elev=598.59* i i ii i 18.0" Round Culvert n=0.020 i i i * i*i iii L=45 0' rt— 3=0.0244 7r — I l|IM 4- •• I----- ■ i— r - i _ i r-i-~ 5 £2 r ’ t — .^ m 0 1 2 34567 * m m & m zmm 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 28 27 28 29 30 Time (hours) % mmmzm m & m n