ZB 22 13 2023 03 Drainage Statement

13 Hydrograph Report Hydraflow Hydrographs by Intelisolve v9.1 Wednesday, Apr 5, 2023 Hyd. No. 3 Existing Total Hydrograph type = Combine Peak discharge = 4.640 cfs Storm frequency = 10 yrs Time to peak = 725 min Time interval = 1 min Hyd. volume = 16,871 cuft Inflow hyds. = 1, 2 Contrib. drain. area = 1.050 ac Existing Total Q (cfs) Q (cfs) Hyd. No. 3 -- 10 Year 5.00 5.00 4.00 4.00 3.00 3.00 2.00 2.00 1.00 1.00 0.00 0.00 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Time (min) Hyd No. 3 Hyd No. 1 Hyd No. 2