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 Printed 3/14/2012 Prepared by TRC Engineers, Inc. HvdroCAD® 9.10 s/n 06401 © 2009 HydroCAD Software Solutions LLC Pane 10 Summary for Pond MH-1: MH1 to MH4 [57] Hint: Peaked at 603.93' (Flood elevation advised) Inflow Area = Inflow = Outflow = Primary = 0.591 ac, 64.11% Impervious, Inflow Depth = 2.83" for 2 yr event 1.80 cfs@ 12.08 hrs, Volume= 0.139af 1.80 cfs @ 12.08 hrs, Volume= 0.139af, 1.80 cfs @ 12.08 hrs, Volume= 0.139af Atten=0%, Lag= 0.0min Routing by Dyn-Stor-Ind method, Time Span= 0.00-30.00 hrs, dt= 0.01 hrs / 2 Peak Elev= 603.93' @ 12.08 hrs Device Routing #1 Primary Invert Outlet Devices 603.20' 12.0" Round Culvert L= 15.0' Ke= 0.500 Inlet / Outlet lnvert= 603.20’ / 602.20' S= 0.0667 T Cc= 0.900 n= 0.020 Corrugated PE, corrugated interior Primary OutFlow Max=1.80 cfs @ 12.08 hrs HW=603.93’ TW=603.04' (Dynamic Tailwater) 1=Culvert (Inlet Controls 1.80 cfs @ 2.92 fps) Pond MH-1: MH1 to MH4 Hydrograph lftn I Inflow I j Primary | cl 1.80 cfs Inflow Area=0.591 ac Peak Elev=603.93' 12 .0 " Round Culvert n=0.020 L=15.0' S=0.0667 T i i i « i s ° i i i i i i i mm 9 10 11 12 13 14 15 18 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Time (hours)