1240815StormWaterManagementReportrcd 3 12 2026

512-516 Pleasant Valley Way, West Orange 1240815-pipes3-C NOAA 24-hr D 10-Year-2020 Rainfall=5.38", P2=3.47" Prepared by Casey & Keller, Inc Printed 2/4/2026 HydroCAD® 10.20-7a s/n 03272 © 2025 HydroCAD Software Solutions LLC Subcatchment 4: Proposed Hydrograph 0.9 Runoff 0.85 0.81 cfs 0.8 NOAA 24-hr D 0.75 10-Year-2020 Rainfall=5.38" 0.7 0.65 P2=3.47" 0.6 Runoff Area=7,266 sf 0.55 Runoff Volume=0.059 af Flow (cfs) 0.5 0.45 Runoff Depth=4.27" 0.4 Flow Length=92' 0.35 0.3 Tc=1.0 min 0.25 CN=74/98 0.2 0.15 0.1 0.05 0 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 Time (hours) 34