J_2024 05 09_West Orange Stormwater Management Plan

Type III 24-hr 2 yr Rainfall=3.42" Post Development West Orange C_03 01 12 Prepared by TRC Engineers, Inc. Printed 3/14/2012 Page 17 HvdroCAD® 9.10 s/n 06401 © 2009 HydroCAD Software Solutions LLC Summary for Pond MH-11: MH-11 to MH-D [57] Hint: Peaked at 594.87' (Flood elevation advised) 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 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= 594.87' @ 12.17 hrs Device Routing #1 Primary Invert Outlet Devices 592.80' 30.0" Round Culvert L= 7.0’ Ke= 0.500 Inlet/Outlet lnvert= 592.80'/592.70’ S= n= 0.020 Corrugated PE, corrugated interior 0.0143 V Cc= 0.900 Primary OutFlow Max=8.61 cfs @ 12.13 hrs HW=594.84’ TW=594.65' (Dynamic Tailwater) ‘t-1=Culvert (Outlet Controls 8.61 cfs @ 2.74 fps) Pond MH-11: MH-11 to MH-D Hydrograph ■ Inflow I 8 7fi.r.fs| 8.76 cfs it & - % i 5- U Primary Inflow Area=5.076 ac Peak Elev=594.87' 4 4 :4 4 4 4 .:..30.6'* i- Round Culvert :: n=o.o2o i J J L=7.0' IJ.i S=0.0143 7' - 4 ------- 1 — —I I > ■" lf' " 11I ' m 1 1 i ' h 1 1 m i f i i r r i ' i i i T i r i T T T T i O1 2 3 45 6 78 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Time (hours)