J_2024 05 09_West Orange Stormwater Management Plan

Post Development West Orange B_03 01 12 Type III 24-hr 100 yr Rainfall=8.72" Prepared by TRC Engineers, Inc. Printed 3/14/2012 HydroCAD® 9.10 s/n 06401 © 2009 HvdroCAD Software Solutions LLC Page 53 Summary for Pond MH-6: MH 6 to MH 11 [57] Hint: Peaked at 615.92' (Flood elevation advised) Inflow Area = Inflow = Outflow = Primary = 5.076 ac, 24.87% Impervious, Inflow Depth = 6.92" for 100 yr event 29.82 cfs @ 12.14 hrs, Volume= 2.927 af 29.82 cfs @ 12.14 hrs, Volume= 2.927 af, Atten= 0%, Lag= 0.0 min 29.82 cfs @ 12.14 hrs, Volume= 2.927 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-30.00 hrs, dt= 0.01 hrs / 2 Peak Elev= 615.92' @ 12.14 hrs Device Routing #1 Primary Invert Outlet Devices 597.60' 18.0" Round Culvert L= 45.0’ Ke= 0.500 Inlet / Outlet lnvert= 597.60' / 596.50' S= 0.0244 '/’ Cc= 0.900 n= 0.020 Corrugated PE, corrugated interior Primary OutFlow Max=29.80 cfs @ 12.14 hrs HW=615.90’ TW=600.67' (Dynamic Tailwater) 1=Culvert (Outlet Controls 29.80 cfs @ 16.86 fps) Pond MH-6: MH 6 to MH 11 Hydrograph —i-------------- 1—i—i—i—i—i—i—i—;—i—i—i—i—i— 1 t I 32- 1 OQ HO n f r 1 u 1 29.82 cfs 1 1 i 28-: — 1 • 1 1 t 1 f 1 t 1 1 I 1 1 20: L .. i 1614- 10 - 1 1 1 i i t i 3 0 1 2 3 4 56 7 8 • i i * 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Time (hours) i f j ■ Inflow ■ Primary | i Inflow Area=5.076 ac Peak Elev=615.92* 18.0” Round Culvert n=0 020 L=45.0' 8=0.0244 7' l 22 - 1 1 1 I I I '