J_2024 05 09_West Orange Stormwater Management Plan

Type III 24-hr 10 yr Rainfall=5.21" Printed 3/14/2012 Post Development West Orange C_03 01 12 Prepared by TRC Engineers, Inc. Page 34 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 595.73' (Flood elevation advised) 10.014 ac, 26.77% Impervious, Inflow Depth = 3.79" for 10 yr event 3.160 af Volume= 12.18 hrs, 28.38 cfs @ Atten= 0%, Lag= 0.0 min 3.160 af, Volume= 12.18 hrs, 28.38 cfs @ 3.160 af Volume= 12.18 hrs, 28.38 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= 595.73' @ 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 V Cc= 0.900 n= 0.020 Corrugated PE, corrugated interior Device Routing #1 Primary Primary OutFlow Max=28.38 cfs @ 12.18 hrs HW=595.73' TW=594.29' (Dynamic Tailwater) 1=Culvert (Inlet Controls 28.38 cfs @ 5.78 fps) Pond MH 12: MH 12 to Div Chamber Hydrograph 1 ---- 1 F T i—i—:—;—i—i F F T l?R 38 r.f 28.38 cfs 28 I -- T I T Inflo wArea=10.014 ac I II I.I. I I I i _ _ r_ i_ _■ i _ J___ 1___ - i_! i ii i~i iii ~i i I 30.0! - T~ Round CUIVert £ 18 n=0.020 16r - -r - -i - -i i i i i I--X - 4 iii ---- 4 . - 4 1210- II r - 1 L_4 L=10,0' S=0.0100 '/' r n - U. _ X • . F T I I--- 1 - 4 --------- i I I 2- 1 HWHtWHPW!WwiBTii»n>t1nli|1nr|»iTHTirr|1ni|1iii|iiii|1iii|1"i|1iii|liii|1ni|*iii|iiii|nii|WI|IIM|llll|lll||llll|l. 2 34 56 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) Inflow M Primary | Elev-595.73' Peak ,1- - U - i. 20- ■ I n