102 Sams -REV 12-02-25 NOAA 24-hr D 10-Year Rainfall=5.38" Prepared by Haler Consulting Printed 04/12/2025 HydroCAD® 10.20-2h s/n 10351 © 2024 HydroCAD Software Solutions LLC Page 27
Summary for Subcatchment 145S: DA P5 (4000 SF Roof)
Runoff = 0.38 cfs @ 12.14 hrs, Volume= 1,714 cf, Depth= 5.14" Routed to Pond 130P : SUBSURFACE
Runoff by SCS TR-20 method, UH=Delmarva, Split Pervious/Imperv. UI as Pervious, Time Span= 0.00-72.00 hrs, dt= NOAA 24-hr D 10-Year Rainfall=5.38"
Area (sf)CNDescription
4,00098Unconnected roofs, HSG A
4,00098100.00% Pervious Area
Tc (min)Length (feet)Slope (ft/ft) Velocity (ft/sec) Capacity (cfs)
6.0Direct Entry,
Subcatchment 145S: DA P5 (4000 SF Roof)