J_2024 05 09_West Orange Stormwater Management Plan

Post Development West Orange B_03 01 12 Prepared by TRC Engineers, Inc. Type III 24-hr 10yr Rainfall=5.21" Printed 3/14/2012 HydroCAD® 9.10 s/n 06401 © 2009 HydroCAD Software Solutions LLC Page 35 Summary for Pond MH-7: MH-7 to MH-11 [57] Hint: Peaked at 598.37' (Flood elevation advised) Inflow Area = Inflow = Outflow = Primary = 5.076 ac, 24.87% Impervious, Inflow Depth = 3.61" for 10 yr event 15.72 cfs @ 12.14 hrs, Volume= 1.527 af 15.72 cfs @ 12.14 hrs, Volume= 1.527 af, Atten= 0%, Lag= 0.0 min 15.72 cfs @ 12.14 hrs, Volume= 1.527 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-30.00 hrs, dt= 0.01 hrs / 2 Peak Elev= 598.37' @ 12.14 hrs Device Routing #1 Primary Invert Outlet Devices 596.50' 30.0” Round Culvert L= 360.0’ Ke= 0.500 Inlet / Outlet lnvert= 596.50' / 592.80' S= 0.0103 '/' Cc= 0.900 n= 0.020 Corrugated PE, corrugated interior Primary OutFlow Max=15.71 cfs @ 12.14 hrs HW=598.37' TW=0.00' (Dynamic Tailwater) 1=Culvert (Barrel Controls 15.71 cfs @ 5.55 fps) Pond MH-7: MH-7 to MH-11 Hydrograph I Inflow I I Primary | l_15_Z2_cfsJ 15.72 Cfs 1615- 13- 12 11- 2 JJ 10- % % 6-: 5t Inflow Area=5.076 ac Peak Elev=598.37' 30.0" Round Culvert n-0.020 1=360.0* S=0.0103 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)