J_2024 05 09_West Orange Stormwater Management Plan

Post Development West Orange B_03 01 12 Prepared by TRC Engineers, Inc. HvdroCAD® 9.10 s/n 06401 © 2009 HydroCAD Software Solutions LLC Type III 24-hr 100 yr Rainfall=8.72" Printed 3/14/2012 Page 56 Summary for Pond MH-B: MH-B to MH-C [57] Hint: Peaked at 628.54' (Flood elevation advised) Inflow Area = Inflow = Outflow = Primary = 1.209 ac, 37.17% Impervious, Inflow Depth = 7.49" for 100 yr event 7.43 cfs @ 12.20 hrs, Volume= 0.755 af 7.43 cfs @ 12.20 hrs, Volume= 0.755 af, Atten=0%, Lag= 0.0 min 7.43 cfs @ 12.20 hrs, Volume= 0.755 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-30.00 hrs, dt= 0.01 hrs / 2 Peak Elev= 628.54' @ 12.20 hrs Device Routing #1 Primary Invert Outlet Devices 598.00' 12.0” Round Culvert L= 92.0' Ke= 0.500 Inlet / Outlet lnvert= 598.00’ / 597.00’ S= 0.0109 '/' Cc= 0.900 n= 0.020 Corrugated PE, corrugated interior Primary OutFlow Max=7.43 cfs @ 12.20 hrs HW=628.50' TW=616.93' (Dynamic Tailwater) 1=Culvert (Outlet Controls 7.43 cfs @ 9.46 fps) Pond MH-B: MH-B to MH-C Hydrograph __ I _ _ .., i • . i i » * l i _ l ____ X _ __ __ _ I _ _ i ; __ __ __ I ____ L . _ . 1 I InRow | I Primary I I 7 43 r 7.43 cfs In flow Area=1.209 ac Peak Elev=628.54' V' % 12.6" Round Culvert n=0.020 ! L=92.0* S=0.0109 V S 4 & m 0 1 2 3 4 5 6 7 3 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 "I ................... . ... * l M 11 1 ............ . i |i ii h i i i i p n h i i i iT| r i ii i |' i i i i|i ii i fH wi Vn r| VM i |S n i|n Tims (hours) m m