Geopak Drainage could read a TIN file to establish the cross slopes for spread. This functionality should still existing in Drainage and Utilities by reading corridor models and terrain models. Users should be allowed to define an infinite number of cross slopes and widths. Right now we can only define a depressed gutter cross slope and a road cross slope. We have many situations where we would need three or more cross slopes defined.
| Civil Product Used | OpenRoads Designer |
Please provide a screenshot. Thanks!
When a gutter is placed, it can be setup to use gutter sections, and the workspaces that ship with the software include an example feature definition for this. When this is used, and the start and end inlets both use a terrain model as the elevation reference, then the terrain model is sectioned at a defined interval, and the spread width (and depth) is calculated at each section. If a cross section conforms to HEC-22 criteria for gutters, such as the road cross slope and depressed gutter that you mention, then HEC-22 calculations will be used to determine the spread width and depth. If a cross section does not conform to HEC-22 criteria for gutters, then standard open channel calculations are used to determine the spread width and depth.