J_2024 05 09_West Orange Stormwater Management Plan

Type III 24-hr2yr Rainfall=3.42" Post Development West Orange C_03 01 12 Prepared by TRC Engineers, Inc. Printed 3/14/2012 Page 13 HvdroCAD® 9.10 s/n 06401 © 2009 HydroCAD Software Solutions LLC Summary for Pond MH 12: MH 12 to Div Chamber [57] Hint: Peaked at 593.90' (Flood elevation advised) Inflow Area = = Inflow = Outflow Primary = 10.014 ac, 26.77% Impervious, Inflow Depth = 2.16" for 2 yr event 1.803 af Volume= 16.11 cfs @ 12.18 hrs, Atten=0%, Lag= 0.0 min 1.803 af, Volume= 12.18 hrs, 16.11 cfs@ 1.803af Volume= 12.18 hrs, 16.11 cfs@ Routing by Dyn-Stor-Ind method, Time Span= 0.00-30.00 hrs, dt= 0.01 hrs / 2 Peak Elev= 593.90' @ 12.18 hrs Invert Outlet Devices 591.70' 30.0" Round Culvert L= 10.0' Ke= 0.500 Inlet/ Outlet lnvert= 591.70'/ 591.60' S= 0.0100'/' Cc= 0.900 n= 0.020 Corrugated PE, corrugated interior Device Routing Primary #1 Primary OutFlow Max=16.11 cfs @ 12.18 hrs HW=593.90' TW=593.32' (Dynamic Tailwater) 1=Culvert (Outlet Controls 16.11 cfs @ 4.69 fps) Pond MH 12: MH 12 to Div Chamber Hydrograph T r7 r" I I Inflow j Primary LIB 13-cfe 16.11 JtT Inflow Area=10.014 ac 15- k Elev-593.90’ Pea 30.0" ■iii•iiii Round Culvert 10- n=0.020 L=10.0 8- s=o.oioo r % 5 20- r - -t 111 m m 11111 |i 11111 u 11111 n m 1111" ip " i p " i n ! 11 p u i| 1 1 11 111 |l 1111111111111 |l 11 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 78 6 345 1 2 Time (hours) 11111111 p " i p 11111 n 1111111111 n i u 1111 il 1111111 ll l