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 Pans 12 HvdroCAD® 9.10 s/n 06401 © 2009 HydroCAD Software Solutions LLC Summary for Pond MH-3: MH-3 to MH-4 [57] Hint: Peaked at 603.97' (Flood elevation advised) 0.916 ac, 24.39% Impervious, Inflow Depth = 1.91" for 2 yr event 0.146af 12.15 hrs, Volume= 1.66cfs@ Atten= 0%, Lag= 0.0 min 0.146 af, 12.15 hrs, Volume= 1.66 cfs @ 0.146 af 12.15 hrs, Volume= 1.66 cfs @ 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= 603.97' @12.14 hrs Invert Outlet Devices 603.20' 12.0" Round Culvert L= 50.0' Ke= 0.500 Inlet / Outlet lnvert= 603.20' / 602.20’ S= 0.0200 '/' Cc= 0.900 n= 0.020 Corrugated PE, corrugated interior Device Routing #1 Primary Primary OutFlow Max=1.66 cfs @12.15 hrs HW=603.97' TW=603.02' (Dynamic Tailwater) 1=Culvert (Outlet Controls 1.66 cfs @ 3.56 fps) Pond MH-3: MH-3 to MH-4 Hydrograph ■ Inflow | B Primary | I 1 fifi r.fs I l .66 cfs f' Inflow Area=0.916 aq Peak Elev=6Q3.97i 12 .0 *’ Round Culvert ! n=0.D20 i ! L=50.0‘ 8=0.0200:7* i i i i i i i i i i i i i s 2 u. 0- mm I 1 2 3 4 5 6 rrlTnrlirntiTrTl mrlmiVniT wwMmz .. ■■ -I................. .. ................................................ 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)