NOAA 24-hr D 2 YR-C Rainfall=3.42" Printed 10/24/2025
Analysis - Proposed Conditions Prepared by Civil Core Consulting HydroCAD® 10.20-7a s/n 13637 © 2025 HydroCAD Software Solutions LLC
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Summary for Subcatchment 36S: Roof Lot 1
Runoff = 0.15 cfs @ 12.09 hrs, Volume= Routed to Pond 37P : Subsurface Basin Lot 1
491 cf, Depth= 3.19"
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 2 YR-C Rainfall=3.42"
Area (sf) CN Description
1,850 98 Roofs, HSG A
1,850 98 100.00% Impervious Area
Tc (min) Length (feet) Slope (ft/ft) Velocity (ft/sec) Capacity (cfs)
0.4 45 2.00 Direct Entry, Pipe Flow
Subcatchment 36S: Roof Lot 1