J_2024 05 09_West Orange Stormwater Management Plan

Post-Developed (O-1B) NJ DEP 2-hr WQ Rainfall=1.25", P2=3.42" West Orange HydroCAD_Post Printed 5/13/2024 Page 23 Prepared by Burns & McDonnell HydroCAD® 10.20-4b s/n 08510 © 2023 HydroCAD Software Solutions LLC Primary OutFlow Max=0.11 cfs @ 1.60 hrs HW=598.55' TW=588.68' (Dynamic Tailwater) 1=SD-22 Outlet (Elevation F) (Passes 0.11 cfs of 10.50 cfs potential flow) 2=Water Quatity (Elevation G) (Orifice Controls 0.11 cfs @ 3.23 fps) 3=Water Quantity (Elevation H) ( Controls 0.00 cfs) 4=Overflow Grate (Elevation I) ( Controls 0.00 cfs) Pond 2P: BR-02 Flow (cfs) Hydrograph 0.4 0.38 0.36 0.34 0.32 0.3 0.28 0.26 0.24 0.22 0.2 0.18 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 Inflow Primary 0.37 cfs Inflow Area=0.350 ac Peak Elev=598.55' Storage=357 cf 0.11 cfs 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