Stormwater Report

512-516 Pleasant Valley Way, West Orange 1240815-pipes NOAA 24-hr D 2-Year-2020 Rainfall=3.47", P2=3.47" Prepared by Casey & Keller, Inc Printed 8/25/2025 HydroCAD® 10.20-7a_s/n 03272 © 2025 HydroCAD Software Solutions LLC Page 6 Subcatchment 2: Parking Lot Hydrograph os] NOAA 24-hr D 2-Year-2020 Rainfall=3.47" P2=3.47" Runoff Area=7,305 sf Runoff Volume=0.043 af Runoff Depth=3.06" Flow Length=92' Tc=0.9 min CN=74/98 0.554 054 0.454 0.44 0.354 0.34 Flow (cfs) 0.254 0.24 0.154 014 0.054 o4 Fr r r ‘ ways 0 2 4 6 8 10 1214 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 5B 60 62 64 66 68 70 72 Time (hours) 13