J_2024 05 09_West Orange Stormwater Management Plan

Post Development West Orange C_03 01 12 Prepared by TRC Engineers, Inc. Type III 24-hr 100 yr Rainfall=8.72" Printed 3/14/2012 HydroCAD® 9.10 sIn 06401 © 2009 HydroCAD Software Solutions LLC Page 55 Summary for Pond MH 12: MH 12 to Div Chamber [57] Hint: Peaked at 605.47' (Flood elevation advised) 10.014 ac, 26.77% Impervious, Inflow Depth = 7.14" for 100 yr event 52.94 cfs @ 12.18 hrs, Volume= 5.957 af 52.94 cfs @ 12.18 hrs, Volume= 5.957 af, Atten= 0%, Lag= 0.0 min 52.94 cfs @ 12.18 hrs, Volume= 5.957 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= 605.47’ @ 12.18 hrs Device Routing #1 Invert Outlet Devices Primary 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 Primary OutFlow Max=52.85 cfs @ 12.18 hrs HW=605.46' TW=600.46' (Dynamic Tailwater) '1=Culvert (Inlet Controls 52.85 cfs @ 10.77 fps) Pond MH 12: MH 12 to Div Chamber Hydrograph —:—!—i—;—i—i— I . . • 1 i■ it )i ii ii ii S i l l ! 52. 94 cfsj i i i i i i 52.94 cfs Inflow Are a=10.014 ac - - ! Peak ' 1 tE:lev=605.47' 30.0" l 1 ) Round Culvert ; ■; • - r -1 ■ 1 i ! //VV^w n=0.020 - --- 1 • 1 1 1 ■ 1 • I 1 f i 1 i . _ i__:_ i i c— o ■ 1 i i i ; J-, 1 2 3 4 5 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 Tima (hours) , L=10,0* 0.0100 V •i ^i « i • ■ i i i t i i . • ■ Inflow k M Primary |