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Feature Line - Create Swale Flowline

Feature Line - Create Swale Flowline

We need a tool that will create a Feature Line at a user specified longitudinal grade, while maintaining a user specified cross slope relative to another Feature Line.




  • You need to create a 2% swale down the greenbelt behind the homes. You need the 2% swale flowline to be also set at a 4:1 cross slope from the back lot property lines.


  • For back to front lot drainage, you need to bring a flowline around from the back of the building to the front @ 2%, while maintaining the required 10% foundation grading cross slope up the adjacent grade at the foundation. The adjacent foundation grade is represented by a feature line that is wrapped around the foundation.

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