J_2024 05 09_West Orange Stormwater Management Plan

Post-Developed (O-1A) NOAA 24-hr D 100-Year_Current Rainfall=9.23", P2=3.45" West Orange HydroCAD_Post Printed 5/13/2024 Page 221 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 > 6.04" for 100-Year_Current event Inflow = 1.06 cfs @ 12.19 hrs, Volume= 0.092 af Outflow = 1.06 cfs @ 12.19 hrs, Volume= 0.092 af, Atten= 0%, Lag= 0.1 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= 4.21 fps, Min. Travel Time= 0.2 min Avg. Velocity = 1.25 fps, Avg. Travel Time= 0.7 min Peak Storage= 14 cf @ 12.19 hrs Average Depth at Peak Storage= 0.17' , 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 Inflow Outflow 1.06 cfs Inflow Area=0.183 ac Avg. Flow Depth=0.17' Max Vel=4.21 fps n=0.012 L=54.6' S=0.0163 '/' Capacity=22.41 cfs 1.06 cfs Flow (cfs) 1 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