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 Printed 5/13/2024 Page 8 Pond 2P: BR-02 Peak Elev=601.23' Storage=1,818 cf Inflow=1.42 cfs 0.149 af Outflow=0.77 cfs 0.147 af Pond 3P: BR-03 Peak Elev=597.59' Storage=2,630 cf Inflow=1.30 cfs 0.163 af Outflow=0.31 cfs 0.160 af Pond 5P: BR-05 Peak Elev=596.30' Storage=1,417 cf Inflow=1.30 cfs 0.101 af Outflow=0.25 cfs 0.100 af Pond 6P: BR-04 Peak Elev=596.75' Storage=2,324 cf Inflow=1.79 cfs 0.136 af Outflow=0.23 cfs 0.132 af Pond 7P: O-1A Inflow=4.68 cfs 0.424 af Primary=4.68 cfs 0.424 af Pond 8P: O-1B Inflow=1.83 cfs 0.768 af Primary=1.83 cfs 0.768 af Pond 12P: SD-03, SD-04, SD-05 Pond 13P: SD-25, SD-26 Peak Elev=596.71' Storage=41 cf Inflow=2.59 cfs 0.238 af Outflow=2.58 cfs 0.238 af Peak Elev=581.08' Storage=0.000 af Inflow=1.83 cfs 0.768 af 18.0" Round Culvert n=0.011 L=29.4' S=0.0099 '/' Outflow=1.83 cfs 0.768 af Pond 14P: SD-24 Peak Elev=585.49' Storage=0.000 af Inflow=1.58 cfs 0.668 af Outflow=1.58 cfs 0.668 af Pond 15P: SD-06, SD-07, SD-08 Peak Elev=594.72' Storage=42 cf Inflow=2.84 cfs 0.264 af Outflow=2.83 cfs 0.264 af Pond 16P: SD-09, SD-10 Peak Elev=593.75' Storage=72 cf Inflow=3.71 cfs 0.332 af Outflow=3.70 cfs 0.332 af Pond 17P: SD-23 Peak Elev=587.36' Storage=0.000 af Inflow=1.36 cfs 0.536 af Outflow=1.36 cfs 0.536 af Pond 18P: SD-22 Peak Elev=588.99' Storage=0.000 af Inflow=1.10 cfs 0.376 af Outflow=1.10 cfs 0.376 af Pond 19P: SD-21 Peak Elev=590.94' Storage=0.000 af Inflow=0.45 cfs 0.229 af Outflow=0.45 cfs 0.229 af Pond 20P: SD-11, SD-12 Peak Elev=592.01' Storage=79 cf Inflow=4.33 cfs 0.387 af Outflow=4.32 cfs 0.386 af Pond 23P: SD-01, SD-02 Peak Elev=597.85' Storage=96 cf Inflow=2.09 cfs 0.192 af Outflow=2.09 cfs 0.190 af Total Runoff Area = 3.272 ac Runoff Volume = 1.207 af Average Runoff Depth = 4.43" 83.45% Pervious = 2.731 ac 16.55% Impervious = 0.542 ac