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. Printed 3/14/2012 Page 19 HydroCAD® 9.10 s/n 06401 © 2009 HydroCAD Software Solutions LLC Summary for Pond MH-C: MH-Cto MH-D [57] Hint: Peaked at 597.91' (Flood elevation advised) Inflow Area = Inflow = Outflow = Primary = 1.209 ac, 37.17% Impervious, Inflow Depth = 2.41" for 2 yr event 2.45 cfs @ 12.20 hrs, Volume= 0.243 af 2.45 cfs @ 12.20 hrs, Volumes 0.243 af, Atten= 0%, Lag= 0.0 min 2.45 cfs @ 12.20 hrs, Volumes 0.243 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-30.00 hrs, dt= 0.01 hrs / 2 Peak Elev= 597.91' @ 12.20 hrs Device Routing #1 Primary Invert Outlet Devices 597.00' 12.0" Round Culvert L= 205.0' Ke= 0.500 Inlet / Outlet Inverts 597.00'/ 592.70’ S= 0.0210 7' Cc= 0.900 n= 0.020 Corrugated PE, corrugated interior Primary OutFlow Max=2.45 cfs @ 12.20 hrs HW=597.91' TW=0.00' (Dynamic Tailwater) 1=Culvert (Inlet Controls 2.45 cfs @ 3.26 fps) Pond MH-C: MH-Cto MH-D Hydrograph I--------f i I l i l i ■ Inflow □ Primary 4S..cfe | 2.45 cfs V % 2 I Inflow Area=1.209 ac ;-4 Peak Elev=597.91' m | M 12.0" & m ■y. 0^ Round Culvert n=0.020 L=205.0* S=0.0210 T ' P ' I' I'' I !l ' " ' I ' I > Ml M J I 'l 'M ' I ' 11 .. 1 1 I |i M II I 1 1 || I I I M' ‘’ 1 'I' fl 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Time (hours)