J_2024 05 09_West Orange Stormwater Management Plan

Post-Developed (25-Year) West Orange HydroCAD_Post NOAA 24-hr D 25-Year Rainfall=6.44", P2=3.42" Prepared by Burns & McDonnell HydroCAD® 10.20-4b s/n 08510 © 2023 HydroCAD Software Solutions LLC Hydrograph for Pond 2P: BR-02 Time (hours) 0.00 0.50 1.00 1.50 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 6.00 6.50 7.00 7.50 8.00 8.50 9.00 9.50 10.00 10.50 11.00 11.50 12.00 12.50 13.00 13.50 14.00 14.50 15.00 15.50 16.00 16.50 17.00 17.50 18.00 18.50 19.00 19.50 20.00 20.50 21.00 21.50 22.00 22.50 23.00 23.50 24.00 Inflow (cfs) 0.00 0.00 0.00 0.00 0.00 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.02 0.02 0.02 0.03 0.03 0.04 0.04 0.05 0.07 0.08 0.12 0.20 0.57 0.62 0.24 0.15 0.11 0.09 0.08 0.06 0.06 0.06 0.05 0.05 0.04 0.04 0.04 0.04 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.02 Storage Elevation (cubic-feet) (feet) 0 598.00 0 598.00 1 598.00 4 598.01 11 598.02 19 598.03 27 598.04 33 598.05 38 598.06 42 598.06 46 598.07 50 598.08 54 598.08 59 598.09 66 598.10 73 598.11 82 598.13 90 598.14 99 598.15 111 598.17 132 598.20 162 598.25 214 598.33 336 598.52 683 599.08 1,805 601.23 1,634 601.12 1,467 601.01 1,220 600.34 997 599.68 806 599.28 632 598.99 485 598.76 369 598.57 278 598.43 211 598.32 164 598.25 131 598.20 113 598.17 104 598.16 100 598.15 97 598.15 94 598.15 92 598.14 90 598.14 88 598.13 85 598.13 83 598.13 81 598.12 Primary (cfs) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.02 0.02 0.03 0.03 0.04 0.04 0.05 0.06 0.08 0.11 0.16 0.72 0.31 0.28 0.25 0.21 0.18 0.15 0.13 0.11 0.09 0.08 0.06 0.05 0.04 0.04 0.04 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.03 Printed 5/13/2024 Page 44