ZB 22 13 2023 03 Drainage Statement

Multi-Hydrograph Plot Hydraflow Hydrographs by Intelisolve v9.1 Hyd. No. 3 Hyd. No. 7 Existing Total Proposed Total Hydrograph type = Combine Hydrograph type = Combine Peak discharge = 8.056 cfs Peak discharge = 7.99 cfs Time to peak = 12.08 hrs Time to peak = 12.08 hrs Hyd. Volume = 29,513 cuft Hyd. Volume = 28,864 cuft Existing Total and Proposed Total Q (cfs) Q (cfs) 100-yr frequency 10.00 10.00 8.00 8.00 6.00 6.00 4.00 4.00 2.00 2.00 0.00 0.00 0.0 1.8 3.7 5.5 7.3 9.2 11.0 12.8 14.7 16.5 18.3 Time (hrs) Hyd No. 3 Hyd No. 7