Most state are or are moving to using NOAA rainfall Data. Basic IDF tables can be Downloaded and Uploaded, but it should integrate with the different Calculation methods (Table equations, Poly Log, IDF Curve.....)
[Copy] Allow Design Scenarios to change proposed conduit properties and class based on depth of conduit.
The class of a pipe is primarily selected by the depth of cover over a pipe. Sometimes vehicle loads or construction loads have an influence on the class selection
