catch-basin
sq ft
in/hr
Formula
Q = C × I × A / 43560
Rational method for storm drainage sizing.
Examples
5000 sqft, 4 in/hr
~0.39 cfs, 18×18" basin.
Frequently Asked Questions
About catch-basin
Size catch basins for storm water drainage.
Rational method for storm drainage sizing.
~0.39 cfs, 18×18" basin.
Size catch basins for storm water drainage.