HEC-22 Inlet Interception Capacity

HEC-22 Inlet Interception Capacity

Units:

Input
Flow Q (ft³/s)
Cross slope Sx (%)
Longitudinal slope S_L (%)
Manning's n
Composite sections only (W > 0).
Depressed width W (ft)
Depression depth a (in)
Manning's nw
Inlet intercetion only (L > 0).
Inlet length L (ft)
Grate width W_g (ft)
Local depressed width W_L (ft)
Local depression depth a_L (in)

Results
Spread T (ft):	x.xx
Depth at curb d (in):	x.xx
Average velocity (ft/s):	x.xx
Depression slope S_w (%):	x.xx
Frontal flow Q_f (cfs):	x.xx
Intercepted flow Q_i (cfs):	x.xx
Inlet efficiency E:	x.xx

Gutter type: Unknown.

Inlet type: Unknown.

Revised: 13 July 2017.