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. HydroCAD® 9.10 s/n 06401 © 2009 HydroCAD Software Solutions LLC Printed 3/14/2012 Page 57 Summary for Pond MH-C: MH-Cto MH-D [57] Hint: Peaked at 616.95' (Flood elevation advised) Inflow Area = Inflow = Outflow = Primary = 1.209 ac, 37.17% Impervious, Inflow Depth = 7.49" for 100 yr event 7.43 cfs@ 12.20 hrs, Volume= 0.755af 7.43 cfs@ 12.20 hrs, Volume= 0.755 af, Atten= 0%, Lag= 0.0min 7.43 cfs @ 12.20 hrs, Volume= 0.755af Routing by Dyn-Stor-Ind method, Time Span= 0.00-30.00 hrs, dt= 0.01 hrs / 2 Peak Elev= 616.95' @ 12.20 hrs Device Routing #1 Primary Invert Outlet Devices 597.00' 12.0" Round Culvert L= 205.0' Ke= 0.500 Inlet / Outlet lnvert= 597.00’ / 592.70' S= 0.0210 '/' Cc= 0.900 n= 0.020 Corrugated PE, corrugated interior Primary OutFlow Max=7.43 cfs @ 12.20 hrs HW=616.93' TW=0.00’ (Dynamic Tailwater) 1=Culvert (Barrel Controls 7.43 cfs @ 9.46 fps) Pond MH-C: MH-Cto MH-D Hydrograph 43 cfs | 7.43 cfs m. i i S 4 1 01 I Inflow I Primary Inflow Area=1.209 ac Peak Elev=616.95' ! ! 12 .0 " Round Culvert n=0.020 L=205.0' S=0.0210 V 2 3 45 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 Time (hours)