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 1 Hyd. No. 1 Hydrograph Type = Rational Peak Flow = 7.970 cfs Storm Frequency = 10-yr Time to Peak = 15 min Time Interval = 1 min Runoff Volume = 7,173 cft Drainage Area = 2.44 ac Runoff Coeff. = 0.75 Tc Method = User-Defined Time of Conc. (Tc) = 15.0 min IDF Curve = West Orange Rainfall.idf Intensity = 4.355 in/hr Freq. Corr. Factor = 1.00 Asc/Rec Limb Factors = 1/1 10-Yr, Qp = 7.97 cfs 9 8 7 6 5 4 3 2 1 0 0 10 20 30 Time (min) Swale 1 -1-