1240815StormWaterManagementReportrcd 3 12 2026

512-516 Pleasant Valley Way, West Orange 1240815-pipes3-C NOAA 24-hr D 2-Year-2050 Rainfall=4.09", P2=4.09" Prepared by Casey & Keller, Inc Printed 2/4/2026 HydroCAD® 10.20-7a s/n 03272 © 2025 HydroCAD Software Solutions LLC Subcatchment 2: Parking Lot Hydrograph Runoff 0.75 0.70 cfs 0.7 NOAA 24-hr D 0.65 2-Year-2050 Rainfall=4.09" 0.6 0.55 P2=4.09" 0.5 Runoff Area=7,658 sf 0.45 Runoff Volume=0.052 af Flow (cfs) 0.4 Runoff Depth=3.57" 0.35 0.3 Flow Length=92' 0.25 Tc=0.9 min 0.2 CN=74/98 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) 71