J_2024 05 09_West Orange Stormwater Management Plan

Pre-Development West Orange with ponds 2 Prepared by TRC Engineers, Inc. Type III 24-hr 2 yr Rainfall=3.42" Printed 3/4/2012 Page 14 HydroCAD® 9.10 s/n 06401 © 2009 HydroCAD Software Solutions LLC Summary for Reach 10R: CB-3 to CB-1 [52] Hint: Inlet/Outlet conditions not evaluated Inflow Area = Inflow = Outflow = 1.072 ac, 34.07% Impervious, Inflow Depth = 2.37" for 2 yr event 1.65 cfs@ 12.40 hrs, Volume= 0.212 af 1.65 cfs @ 12.40 hrs, Volume= 0.212 af, Atten= 0%, Lag3 0.1 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-30.00 hrs, dt= 0.01 hrs / 2 Max. Velocity= 6.47 fps, Min. Travel Time= 0.4 min Avg. Velocity = 2.33 fps, Avg. Travel Time= 1.0 min Peak Storage3 36 cf @ 12.40 hrs Average Depth at Peak Storage3 0.36’ Bank-Full Depth3 1.00', Capacity at Bank-Full3 5.95 cfs 12.0" Round Pipe n= 0.025 Corrugated metal Length3 140.0' Slope3 0.1030 V Inlet Invert3 592.92', Outlet Invert3 578.50' Reach 10R: CB-3 to CB-1 Hydrograph I Inflow I ' I 1 Mr 1.65 Cfs i outflow! Inflow Area=1.072 ac Avg . Flow Depth=0.36’ iMax Vel=6.47 fps i ; i ! 1:2:0’' Round Pipe • n-0.025 ; L=140.0' S=0.1030 7' Capacity=5.95 cfs 1 i|^ ii ifS i i i|^ 1 1 1|1 ni|i i m |V i m 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Time (hours)