Runoff = 0.02 cfs @ 13.03 hrs, Volume= 0.006 af, Depth> 0.21" Routed to Pond 3P : SSIB #1 SURFACE BASIN
Runoff by SCS TR-20 method, UH=Delmarva, Weighted-CN, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs NOAA 24-hr D 10 YEAR Rainfall=5.38"
Area (ac) CN Description
0.350 39 >75% Grass cover, Good, HSG A
0.350 100.00% Pervious Area
Tc (min) Length (feet) Slope (ft/ft) Velocity (ft/sec) Capacity (cfs) Description
11.7 100 0.0300 0.14 Sheet Flow, Grass: Dense n= 0.240 P2= 3.42" Shallow Concentrated Flow, Grassed Waterway Kv= 15.0 fps
0.3 50 0.0350 2.81
0.9 160 3.00 Direct Entry, PIPE FLOW
12.9 310 Total
Subcatchment 1S: POROUS