J_2024 05 09_West Orange Stormwater Management Plan

Post-Developed (O-1A) NJ DEP 2-hr WQ Rainfall=1.25", P2=3.42" West Orange HydroCAD_Post Printed 5/13/2024 Page 26 Prepared by Burns & McDonnell HydroCAD® 10.20-4b s/n 08510 © 2023 HydroCAD Software Solutions LLC Summary for Reach 6R: TD-04 Inflow Area = 0.183 ac, 0.00% Impervious, Inflow Depth = 0.08" for WQ event Inflow = 0.03 cfs @ 1.26 hrs, Volume= 0.001 af Outflow = 0.03 cfs @ 1.27 hrs, Volume= 0.001 af, Atten= 0%, Lag= 0.4 min Routed to Pond 20P : SD-11, SD-12 Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.0100 hrs Max. Velocity= 1.04 fps, Min. Travel Time= 0.9 min Avg. Velocity = 0.96 fps, Avg. Travel Time= 1.0 min Peak Storage= 1 cf @ 1.27 hrs Average Depth at Peak Storage= 0.02' , Surface Width= 1.50' Bank-Full Depth= 1.50' Flow Area= 2.3 sf, Capacity= 22.41 cfs 1.50' x 1.50' deep channel, n= 0.012 Concrete pipe, finished Length= 54.6' Slope= 0.0163 '/' Inlet Invert= 600.77', Outlet Invert= 599.88' Reach 6R: TD-04 Hydrograph 0.028 Inflow Outflow 0.03 cfs Inflow Area=0.183 ac Avg. Flow Depth=0.02' Max Vel=1.04 fps n=0.012 L=54.6' S=0.0163 '/' Capacity=22.41 cfs 0.03 cfs 0.026 0.024 0.022 0.02 Flow (cfs) 0.018 0.016 0.014 0.012 0.01 0.008 0.006 0.004 0.002 0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Time (hours) 15 16 17 18 19 20 21 22 23 24