12 2026 02 12 Crestmont CC Stormwater Management Report

Project Name: New Project Hydrograph Report Studio Express by Hydrology Studio v 1.0.0.20 10-22-2025 Swale 2 Hyd. No. 2 Hydrograph Type = Rational Peak Flow = 0.571 cfs Storm Frequency = 25-yr Time to Peak = 10 min Time Interval = 1 min Runoff Volume = 343 cft Drainage Area = 0.17 ac Runoff Coeff. = 0.58 Tc Method = User-Defined Time of Conc. (Tc) = 10.0 min IDF Curve = West Orange Rainfall.idf Intensity = 5.795 in/hr Freq. Corr. Factor = 1.00 Asc/Rec Limb Factors = 1/1 25-Yr, Qp = 0.57 cfs 1 0.95 0.9 0.85 0.8 0.75 0.7 0.65 0.6 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Time (min) Swale 2 -1-