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 10 yr Rainfall=5.21" Printed 3/4/2012 Page 35 HvdroCAD® 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 = 4.04" for 10 yr event 2.79 cfs @ 12.38 hrs, Volume3 0.361 af 2.79 cfs @ 12.38 hrs, Volume3 0.361 af, Atten=0%, Lag=0.1min Routing by Dyn-Stor-Ind method, Time Span3 0.00-30.00 hrs, dt3 0.01 hrs / 2 Max. Velocity3 7.45 fps, Min. Travel Time3 0.3 min Avg. Velocity 3 2.71 fps, Avg. Travel Time3 0.9 min Peak Storage3 52 cf @ 12.38 hrs Average Depth at Peak Storage3 0.48' 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'/* Inlet Invert3 592.92', Outlet Invert3 578.50' Reach 10R: CB-3 to CB-1 Hydrograph — I Inflow I i Outflow! 2.79 cfs A Inflow Area=1.072 ac vg. Flow Depth=0.48< Max Vel=7.45 fps 1:2-0V : Round Pipe | i i n=0.025 ..LLi-L; J.^140.0? j i i S=0.1030T : Capacity=5.95 cfs 0- 1 2 3 4 5 6 rfl* 78 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Time (hours)