J_2024 05 09_West Orange Stormwater Management Plan

Post Development West Orange B_03 01 12 Type III 24-hr 10 yr Rainfall=5.21" Prepared by TRC Engineers, Inc. HvdroCAD® 9.10 s/n 06401 © 2009 HvdroCAD Software Solutions LLC Printed 3/14/2012 Page 29 Summary for Pond MH-1: MH1 to MH4 [57] Hint: Peaked at 605.29' (Flood elevation advised) 0.591 ac, 64.11% Impervious, Inflow Depth = 4.58" for 10 yr event 2.87 cfs @ 12.08 hrs, Volume= 0.225 af 2.87 cfs @ 12.08 hrs, Volume= 0.225 af, Atten= 0%, Lag= 0.0 min 2.87 cfs @ 12.08 hrs, Volume= 0.225 af Inflow Area = Inflow = Outflow = Primary = Routing by Dyn-Stor-Ind method, Time Span= 0.00-30.00 hrs, dt= 0.01 hrs / 2 Peak Elev= 605.29' @ 12.12 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 V Cc= 0.900 n= 0.020 Corrugated PE, corrugated interior Primary OutFlow Max=2.72 cfs @ 12.08 hrs HW=604.43' TW=603.91' (Dynamic Tailwater) 1=Culvert (Inlet Controls 2.72 cfs @ 3.46 fps) Pond MH-1: MH1 to MH4 Hydrograph I ?»7.r.fsJ 2.87 cfs 7 ■ Inflow a Primary Inflow Area=0.591 ac Peak Elev=605.29' U 12.0" Round Culvert n=0.020 ^ L=15 O' S=0.066 itlifl» 1 2 3 4 5 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) i•irii