Runoff = 1.10 cfs @ 12.12 hrs, Volume= Routed to Pond 15P : PERVIOUS PAVEMENT 3B 4,430 cf, Depth= 6.10"

4,430 cf, Depth= 6.10"

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-F Rainfall=6.34"

Area (ac) CN Description

0.200 98 Paved parking, HSG A

0.200 98 100.00% Impervious Area

Tc (min) Length (feet) Slope (ft/ft) Velocity (ft/sec) Capacity (cfs) Description

3.6 37 0.0300 0.17 Sheet Flow, Grass: Short n= 0.150 P2= 3.42" Shallow Concentrated Flow, Paved Kv= 20.3 fps

0.7 118 0.0200 2.87

4.3 155 Total

Subcatchment 6S: DA-P3 IMPERVIOUS