J_2024 05 09_West Orange Stormwater Management Plan

Post-Developed (O-2) West Orange HydroCAD_Pre NOAA 24-hr D 10-Year_Current Rainfall=5.37", P2=3.45" Prepared by Burns & McDonnell Printed 5/13/2024 Page 22 HydroCAD® 10.20-4b s/n 08510 © 2023 HydroCAD Software Solutions LLC Summary for Pond 21P: O-2 Inflow Area = Inflow = Primary = 1.212 ac, 14.94% Impervious, Inflow Depth > 3.24" for 10-Year_Current event 4.81 cfs @ 12.11 hrs, Volume= 0.327 af 4.81 cfs @ 12.11 hrs, Volume= 0.327 af, Atten= 0%, Lag= 0.0 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.0100 hrs Pond 21P: O-2 Hydrograph Inflow Primary 4.81 cfs Inflow Area=1.212 ac 5 4.81 cfs Flow (cfs) 4 3 2 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