J_2024 05 09_West Orange Stormwater Management Plan

Post-Developed (O-1B) NOAA 24-hr D 100-Year_Future Rainfall=11.58", P2=4.07" West Orange HydroCAD_Post Printed 5/13/2024 Page 263 Prepared by Burns & McDonnell HydroCAD® 10.20-4b s/n 08510 © 2023 HydroCAD Software Solutions LLC Primary OutFlow Max=2.78 cfs @ 12.24 hrs HW=601.47' TW=589.99' (Dynamic Tailwater) 1=SD-22 Outlet (Elevation F) (Passes 2.78 cfs of 12.32 cfs potential flow) 2=Water Quatity (Elevation G) (Orifice Controls 0.30 cfs @ 8.83 fps) 3=Water Quantity (Elevation H) (Orifice Controls 1.54 cfs @ 2.46 fps) 4=Overflow Grate (Elevation I) (Weir Controls 0.94 cfs @ 0.86 fps) Pond 2P: BR-02 Hydrograph Inflow Primary 2.83 cfs 3 Inflow Area=0.350 ac Peak Elev=601.47' Storage=2,187 cf 2.78 cfs Flow (cfs) 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