J_2024 05 09_West Orange Stormwater Management Plan

NJ DEP 2-hrNJDEP RainfalM.25" Post Development West Orange B_03 01 12 Printed 3/14/2012 Page 75 Prepared by TRC Engineers, Inc. HydroCAD® 9.10 s/n 06401 © 2009 HydroCAD Software Solutions LLC Summary for Pond MH-B: MH-B to MH-C [57] Hint: Peaked at 598.77' (Flood elevation advised) 1.209 ac, 37.17% Impervious, Inflow Depth = 0.57" for NJDEP event 0.058 af Volume= 1.22 hrs, 1.45 cfs @ Atten= 0%, Lag= 0.0 min 0.058 af, Volume= 1.22 hrs, 1.45 cfs @ 0.058 af Volume= 1.22 hrs, 1.45 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= 598.77' @ 1.22 hrs Invert Outlet Devices 598.00’ 12.0" Round Culvert L= 92.0' Ke= 0.500 Inlet / Outlet Inverts 598.00' / 597.00' S= 0.0109 '/' Cc= 0.900 n= 0.020 Corrugated PE, corrugated interior Device Routing Primary #1 Primary OutFlow Max=1.45 cfs @ 1.22 hrs HW=598.77' TW=597.64’ (Dynamic Tailwater) 1=Culvert (Outlet Controls 1.45 cfs @ 3.09 fps) Pond MH-B: MH-B to MH-C Hydrograph ZL I Inflow I Primary l A5 cf D .45 cfs Inflow Area=1.209 ac Peak Elev=598.77' :> • 2 *i•i•iiiii 12 .0 " Round Culvert n=0.020 L=92.0' S=0.0109 V iiti mmm i it rn vmmmmmmmmmmmimtmmmtmmmmzzzk 0 1 2 3 45 67 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)