Runoff = 10.73 cfs @ 12.23 hrs, Volume= 1.376 af, Depth= 6.23" Routed to Link 13L : Reduction
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 100 YR-F Rainfall=11.84"
Area (ac) CN Description
2.080 55 Woods, Good, HSG B
0.130 98 Paved parking, HSG B
0.380 61 >75% Grass cover, Good, HSG B
0.060 98 Roofs, HSG A
2.650 59 Weighted Average
2.460 56 92.83% Pervious Area
0.190 98 7.17% Impervious Area
Tc (min) Length (feet) Slope (ft/ft) Velocity (ft/sec) Capacity (cfs) Description
9.1 17 0.0180 0.03 Sheet Flow, Woods: Dense underbrush n= 0.800 P2= 3.42" Using McCuen-Spiess flow length
3.7 222 0.0400 1.00 Shallow Concentrated Flow, Woodland Kv= 5.0 fps
12.8 239 Total
Subcatchment 5S: DA-E3