2022 08 Drainage Report

2022-07-28 Proposed Hydrology NOAA 24-hr D 10-Year Rainfall=5,22" Prepared by Dynamic Engineering Printed 8/5/2022 HydroCAD® 10.20-2d s/n 08640 © 2021 HydroCAD Software Solutions LLC. P: 7: ‘Summary for Subcatchment 11S: Basin D - Imp. Runoff = 0.23 cfs @ 12.17 hrs, Volume= 0.023 af, Depth= 4.98" Routed to Pond 6P : Basin D Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-72.00 hrs, dt= 0.05 hrs NOAA 24-hr D 10-Year Rainfall=5.22" Area(sf)__CN__Description 2,400 98 Unconnected pavement, HSG C 2,400 100.00% Impervious Area 2,400 100.00% Unconnected Te Length Slope Velocity Capacity Desor (min) (feet) __(ft/ft) _(fl/sec) (cfs) 10.0 Direct Entry, Direct Subcatchment 11S: Basin D - Imp. Hydrograph -NOAA 24-hr'D 10-Year Rainfall=5.22" Runoff Area=2,400 sf Runoff Volume=0.023 af_ -Runoff Depth=4.98" Tc=10.0 min CN=98 2022-07-28 Proposed Hydrology Prepared by Dynamic Engineering HydroCAD® 10.20-2d_s/n 08640 © 2021 HydroCAD Software Solutions LLC Hydrograph for Subcatchment 11S: Basin D - Imp. NOAA 24-hr D 10-Year Rainfall=5.22" Printed 8/5/2022 P: