J_2024 05 09_West Orange Stormwater Management Plan

NJ DEP 2-hrNJDEP Rainfall=1.25" Post Development West Orange B_03 01 12 Printed 3/14/2012 Page 71 Prepared by TRC Engineers, Inc. HvdroCAD® 9.10 s/n 06401 © 2009 HydroCAD Software Solutions LLC Summary for Pond MH-5: MH 5 to MH 6 [57] Hint: Peaked at 600.74' (Flood elevation advised) 2.236 ac, 43.09% Impervious, Inflow Depth = 0.56" for NJDEP event 0.104af 1.12 hrs, Volume= 3.19cfs@ Atten= 0%, Lag= 0.0 min 0.104 af, 1.12 hrs, Volume3 3.19 cfs @ 0.104af 1.12 hrs, Volume3 3.19cfs@ Inflow Area = = Inflow = Outflow Primary = Routing by Dyn-Stor-Ind method, Time Span3 0.00-30.00 hrs, dt= 0.01 hrs / 2 Peak Elev= 600.74' @1.12 hrs Invert Outlet Devices 599.90' 18.0" Round Culvert L= 66.0' Ke= 0.500 Inlet / Outlet Invert3 599.90' / 597.60' S= 0.0348 '/' Cc= 0.900 n= 0.020 Corrugated PE, corrugated interior Device Routing Primary #1 Primary OutFlow Max=3.19 cfs @ 1.12 hrs HW=600.74’ TW=598.58' (Dynamic Tailwater) 1=Culvert (Inlet Controls 3.19 cfs @ 3.12 fps) Pond MH-5: MH 5 to MH 6 Hydrograph ZG 111 DQq nf 3.19 cfs 111 3 Peak Elev=600.74' 18.0" Round Culvert n=0.020 t ' I t ! 32 2 z 1=66,0* 2 S=0.0348 V % 0 1 2 , t . I ! I t 3 45 6 7 8 9 10 11 12 13 14 15 18 17 18 19 20 21 22 23 24 25 28 27 28 29 30 Time (hours) ■ Inflow k □ Primary |