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 100 yr Rainfall=8.72" Printed 3/4/2012 HydroCAD® 9.10 s/n 06401 © 2009 HydroCAD Software Solutions LLC Page 60 Summary for Reach 15R: CB-5 to CB-4 [52] Hint: Inlet/Outlet conditions not evaluated Inflow Area = Inflow = Outflow = 0.464 ac, 86.67% Impervious, Inflow Depth = 8.19" for 100 yr event 3.89 cfs @ 12.08 hrs, Volume= 0.317 af 3.87 cfs @ 12.09 hrs, Volume= 0.317 af, Atten= 1%, Lag= 0.6 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-30.00 hrs, dt= 0.01 hrs / 2 Max. Velocity3 6.31 fps, Min. Travel Time3 0.6 min Avg. Velocity 3 2.21 fps, Avg. Travel Time3 1.8 min Peak Storage3 150 cf @ 12.09 hrs Average Depth at Peak Storage3 0.73' 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 V Inlet Invert3 610.00', Outlet Invert3 596.25' Reach 15R: CB-5 to CB-4 Hydrograph — .1,3.83 ----- 1 -i i 1 -- T------I 3.87 cfs Inflow Area=0.464 ac Ayg. plbw peptH=0.73' *; *|' :Max Vel=6.31 fps 1__ J__ ■_ -I__ J.___ » ' i»iiiiiii iiiiiiiiii i • _ •' o2 l . j . _ 1 234 5678 i : Round Pipe : : : : : : : n=0.025 iiiiiiiiiiii :i i .:i i :i i i:i i :i i i: : L^245.0’ i-i i i f S=0.0561 T • Capacity-4.39 cfs ■ T “ i ’ “I-------- 1— i— r ■ i * *1“ ~r " * ■ i 0 1 9 10 11 12 13 14 15 10 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Time (hours) ■ Inflow | ■ Outflow |