J_2024 05 09_West Orange Stormwater Management Plan

Pre-Development West Orange with ponds 2 Type III 24-hr 10 yr Rainfall=5.21" Prepared byTRC Engineers, Inc. HvdroCAD® 9.10 s/n 06401 © 2009 HydroCAD Software Solutions LLC Printed 3/4/2012 Page 38 Summary for Reach 15R: CB-5 to CB-4 [52] Hint: Inlet/Outlet conditions not evaluated Inflow Area 3 Inflow = Outflow = 0.464 ac, 86.67% Impervious, Inflow Depth = 4.72" for 10 yr event 2.27 cfs @ 12.08 hrs, Volume= 0.183 af 2.26 cfs @ 12.09 hrs, Volume= 0.183 af, Atten= 1%, Lag= 0.5 min Routing by Dyn-Stor-Ind method, Time Span3 0.00-30.00 hrs, dt= 0.01 hrs / 2 Max. Velocity3 5.63 fps, Min. Travel Time= 0.7 min Avg. Velocity 3 1.88 fps, Avg. Travel Time= 2.2 min Peak Storage3 98 cf @ 12.09 hrs Average Depth at Peak Storage3 0.51' Bank-Full Depth3 1.00', Capacity at Bank-Full3 4.39 cfs 12.0" Round Pipe n= 0.025 Corrugated metal Length3 245.0' Slope3 0.0561 7 Inlet Invert3 610.00', Outlet Invert3 596.25' Reach 15R: CB-5 to CB-4 Hydrograph I Inflow I :l-2.2z c 2.26 cfs r - t - -i I Outflow! Inflbw Area=0.464 ac Avg. Flow Depth=0.51' • Max Vel=5.63 fps 12.07 : Round Pipe . i _ J: Ji _L _ L _ L _ i _ Jn^O.025 ; j j L-245.0' r L - L - J _ J ; ; s=o.o56i •/’ Capacity=4.39 cfs ii 0 1 234 5678 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Time (hours) i•i