Runoff = 0.89 cfs @ 12.12 hrs, Volume= Routed to Pond 3P : PERVIOUS PAVEMENT 2B 3,547 cf, Depth= 5.14"
3,547 cf. Depth= 5.14"
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 YR-C Rainfall=5.38"
Area (ac) CN Description
0.190 98 Paved roads w/curbs & sewers, HSG A
0.190 98 100.00% Impervious Area
Tc (min) Length (feet) Slope (ft/ft) Velocity (ft/sec) Capacity (cfs) Description
3.5 35 0.0300 0.17 Sheet Flow, Grass: Short n= 0.150 P2= 3.42" Shallow Concentrated Flow, Paved Kv= 20.3 fps
0.8 137 0.0200 2.87
4.3 172 Total
Subcatchment 7S: DA-P2 IMPERVIOUS