J_2024 05 09_West Orange Stormwater Management Plan

Post Development West Orange C_03 01 12 Type III 24-hr 10 yr Rainfall=5.21" Prepared by TRC Engineers, Inc. HvdroCAD® 9.10 s/n 06401 © 2009 HydroCAD Software Solutions LLC Printed 3/14/2012 Page 33 Summary for Pond Dlv Chamber: Diversion Chamber to Aqua-Swirl [57] Hint: Peaked at 594.29' (Flood elevation advised) Inflow Area = Inflow = Outflow = Primary = 10.014 ac, 26.77% Impervious, Inflow Depth = 3.79" for 10 yr event 28.38 cfs @ 12.18 hrs, Volume= 3.160 af 28.38 cfs @ 12.18 hrs, Volume= 3.160 af, Atten= 0%, Lag= 0.0 min 28.38 cfs @ 12.18 hrs, Volume= 3.160 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-30.00 hrs, dt= 0.01 hrs / 2 Peak Elev= 594.29' @ 12.18 hrs Device Routing #1 Primary Invert Outlet Devices 591.60’ 30.0" Round Culvert L= 88.0' Ke= 0.500 Inlet / Outlet lnvert= 591.60' / 588.00' S= 0.0409 '/' Cc= 0.900 n= 0.020 Corrugated PE, corrugated interior Primary OutFlow Max=28.38 cfs @ 12.18 hrs HW=594.29‘ TW=590.69' (Dynamic Tailwater) ^-1=Culvert (Inlet Controls 28.38 cfs @ 5.78 fps) Pond Div Chamber: Diversion Chamber to Aqua-Swirl Hydrograph I Inflow I j Primary I I ?a 3R r.f 28.38 Cfs 30- Inflow Area=10.014 ac 28-: Peak Elev=594.29' 26-: 24- % 2220-: • 30.0" iiiiiiiiii Round Culvert % S 18H u - n=0.020 L=88.0' £ 14 121086- S=0.0409 T rr 4- 2i 'mmm o-: 4 iM'|f i rrp ii n in n M-i n m n i|t n iri» 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Yrrrp 8 Time (hours) mmm