J_2024 05 09_West Orange Stormwater Management Plan

Post Development West Orange C_03 01 12 Type III 24-hr 100 yr Rainfall=8.72" Printed 3/14/2012 Page 59 Prepared by TRC Engineers, Inc. HydroCAD® 9.10 s/n 06401 © 2009 HydroCAD Software Solutions LLC Summary for Pond MH-11: MH-11 to MH-D [57] Hint: Peaked at 610.58' (Flood elevation advised) 5.076 ac, 24.87% Impervious, Inflow Depth = 6.92" for 100 yr event af 2.927 29.82 cfs @ 12.14 hrs, Volume= af, Atten= 0%, Lag= 0.0 min 2.927 29.82 cfs @ 12.14 hrs, Volume= af 2.927 29.82 cfs @ 12.14 hrs, Volume= 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= 610.58’ @ 12.18 hrs Device Routing Invert Outlet Devices 30.0” Round Culvert L= 7.0' Ke= 0.500 Inlet/Outlet lnvert= 592.807 592.70' S= 0.0143'/' Cc= 0.900 n= 0.020 Corrugated PE, corrugated interior 592.80' #1 Primary Primary OutFlow Max=26.30 cfs @ 12.14 hrs HW=609.07' TW=607.83' (Dynamic Tailwater) A 1=Culvert (Inlet Controls 26.30 cfs @ 5.36 fps) Pond MH-11: MH-11 to MH-D Hydrograph —i—1----------i 1 . i i _ J____ 1___i _ J_____ 1___ __L-L_ ;1J i i i 1 1 t l 1 1 OQ no rfc 1 - 1 I 1------T r_ ___L i i 1 l 1 1 i < 1 29.82 cfs > ! 1 1--------1-----1-----i----- 1-----1-----!----- 1---- i----!__ l i____1___ •___I- ' - I_ _ t 1 1 1 1 i 1 t 1 1 1 l l l l l l l . i l i i i i i * i i 1 i w9 ' _L A P " 1 -1 Peak Elev=610.58* Y 30,0” % Round Culvert L _ J L _ J. _ J n=0 020 iiiii L=7,0V S=0.0143 V 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) B ■ Inflow | Primary |