J_2024 05 09_West Orange Stormwater Management Plan

Post-Developed (O-1B) NOAA 24-hr D 2-Year_Future Rainfall=4.07", P2=4.07" West Orange HydroCAD_Post Printed 5/13/2024 Page 106 Prepared by Burns & McDonnell HydroCAD® 10.20-4b s/n 08510 © 2023 HydroCAD Software Solutions LLC Primary OutFlow Max=0.20 cfs @ 12.94 hrs HW=595.56' TW=587.20' (Dynamic Tailwater) 1=SD-23 Outlet (Elevation F) (Passes 0.20 cfs of 15.34 cfs potential flow) 2=Water Quatity (Elevation G) (Orifice Controls 0.20 cfs @ 5.80 fps) 3=Water Quantity (Elevation H) ( Controls 0.00 cfs) 4=Overflow Grate (Elevation I) ( Controls 0.00 cfs) Pond 3P: BR-03 Hydrograph 0.85 Inflow Primary 0.77 cfs Inflow Area=0.388 ac Peak Elev=595.56' Storage=1,373 cf 0.8 0.75 0.7 0.65 0.6 Flow (cfs) 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.20 cfs 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