J_2024 05 09_West Orange Stormwater Management Plan

Post-Developed (O-1A) NOAA 24-hr D 100-Year_Future Rainfall=11.58", P2=4.07" West Orange HydroCAD_Post Printed 5/13/2024 Page 256 Prepared by Burns & McDonnell HydroCAD® 10.20-4b s/n 08510 © 2023 HydroCAD Software Solutions LLC Summary for Reach 4R: TD-02 Inflow Area = 0.086 ac, 0.00% Impervious, Inflow Depth > 8.39" for 100-Year_Future event Inflow = 0.84 cfs @ 12.12 hrs, Volume= 0.060 af Outflow = 0.84 cfs @ 12.12 hrs, Volume= 0.060 af, Atten= 0%, Lag= 0.1 min Routed to Pond 15P : SD-06, SD-07, SD-08 Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.0100 hrs Max. Velocity= 4.60 fps, Min. Travel Time= 0.1 min Avg. Velocity = 1.41 fps, Avg. Travel Time= 0.4 min Peak Storage= 6 cf @ 12.12 hrs Average Depth at Peak Storage= 0.12' , Surface Width= 1.50' Bank-Full Depth= 1.50' Flow Area= 2.3 sf, Capacity= 29.34 cfs 1.50' x 1.50' deep channel, n= 0.012 Concrete pipe, finished Length= 34.0' Slope= 0.0279 '/' Inlet Invert= 604.25', Outlet Invert= 603.30' Reach 4R: TD-02 Hydrograph 0.9 Inflow Area=0.086 ac Avg. Flow Depth=0.12' Max Vel=4.60 fps n=0.012 L=34.0' S=0.0279 '/' Capacity=29.34 cfs 0.84 cfs 0.85 0.8 0.75 0.7 0.65 0.6 Flow (cfs) Inflow Outflow 0.84 cfs 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 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