J_2024 05 09_West Orange Stormwater Management Plan

Type III 24-hr 10 yr Rainfall=5.21" Printed 3/14/2012 Page 38 Post Development West Orange C_03 01 12 Prepared by TRC Engineers, Inc. HvdroCAD® 9.10 s/n 06401 © 2009 HydroCAD Software Solutions LLC Summary for Pond MH-11: MH-11 to MH-D [57] Hint: Peaked at 597.18' (Flood elevation advised) 5.076 ac, 24.87% Impervious, Inflow Depth = 3.61" for 10 yr event 15.72 cfs@ 12.14 hrs, Volume3 1.527 af 15.72 cfs@ 12.14 hrs, Volume= 1.527 af, Atten3 0%, Lag= 0.0 min 3 1.527 af 12.14 hrs, Volume 15.72 cfs@ 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= 597.18' @ 12.18 hrs Invert Outlet Devices 592.80’ 30.0" Round Culvert L= 7.0' Ke= 0.500 Inlet / Outlet Invert3 592.80' / 592.70' S= 0.0143 '/' Cc= 0.900 n= 0.020 Corrugated PE, corrugated interior Device Routing #1 Primary Primary OutFlow Max=14.84 cfs @ 12.14 hrs HW=596.92' TW=596.53' (Dynamic Tailwater) 1=Culvert (Inlet Controls 14.84 cfs @ 3.02 fps) Pond MH-11: MH-11 to MH-D Hydrograph ----1 ----1 --- 1 --- | ---- + ■ --- 1 ----1 --- 1 --- | ---- + ------1 ---III I I I I l I I I I 15 7? r.f 15.72 Cfs 151 4 - ilI I nflow Area-5.076 ac i i ill i i i i i i i i Peak Elev=597.18’ t “ i ‘ “i" T.rT r " t ~ i i~ ~i 13% i i-iiii r t i“ _i i r i i r -OUiU *i k.i Qfl fiM r.-ri r~ti Round Culvert 1 n=0.020 I I l I >Vl I 1 1=7. O' S=0.0143 V III 11“ £ 10t -i —i — — t —i- -II i I T I- - 4----------I - -H---- f- ----- I ----- 4 - - ; -4 -- L _ 1 _______I _ - J - - r- - * —i — >l l l r-' l----- +---------I------ _ _|_ i L . i . J . . - J --- l l _ L _ l --------1 _ _ I I I . I r T . . 1 t -1 - .1 _ ”i" -|* - r % & 2 34 rmr 56 78 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Time (hours) L_J & I Inflow I j Primary! n