J_2024 05 09_West Orange Stormwater Management Plan

Type III 24-hr 2 yr Rainfall=3.42" Post Development West Orange B_03 01 12 Prepared by TRC Engineers, Inc. HvdroCAD® 9.10 s/nQ6401 © 2009 HydroCAD Software Solutions LLC Printed 3/14/2012 Page 15 Summary for Pond MH-6: MH 6 to MH 11 [57] Hint: Peaked at 599.41' (Flood elevation advised) Inflow Area = Inflow = Outflow = Primary = 5.076 ac, 24.87% Impervious, Inflow Depth = 2.02" for 2 yr event 8.76 cfs@ 12.13 hrs, Volume= 0.855 af 8.76 cfs@ 12.13 hrs, Volume= 0.855 af, Atten= 0%, Lag= 0.0 min 8.76 cfs @ 12.13 hrs, Volume= 0.855 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-30.00 hrs, dt= 0.01 hrs / 2 Peak Elev= 599.41' @12.13 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=8.75 cfs @ 12.13 hrs HW=599.41' TW=597.83' (Dynamic Tailwater) 1=Culvert (Inlet Controls 8.75 cfs @ 4.95 fps) Pond MH-6: MH 6 to MH 11 Hydrograph I Inflow ] I Primary | I ft 7fi r 8.76 cfs 9- Y. Y I n 5 |u. Inflow Area-5.076 ac Peak Elev=599.41' 18.0" Round Culvert i n=0.020 1=45,0’ L S=0.0244 7* 4-------- m 0 1 2 3 4 5 5 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)