Graham Place Subdivision <br />Type IA 24-hr 10-Year Rainfall=4.46"5468_HydroCAD_2-17-26_BAW <br /> Printed 7/9/2026Prepared by A&O Engineering LLC <br />Page 11HydroCAD® 10.20-8a s/n 04993 © 2025 HydroCAD Software Solutions LLC <br />Subcatchment 1491S: Basin #1 <br />Runoff <br />Hydrograph <br />Time (hours) <br />454035302520151050Flow (cfs)0.07 <br />0.06 <br />0.05 <br />0.04 <br />0.03 <br />0.02 <br />0.01 <br />0 <br />Runoff=0.07 cfs <br />Type IA 24-hr <br />10-Year Rainfall=4.46" <br />Runoff Area=3,223 sf <br />Runoff Volume=0.025 af <br />Runoff Depth=4.05" <br />Tc=10.0 min <br />CN=80/98 <br /> 0.07 cfs