To route new pipe at a slope

1. On the ribbon, click Home tab Slope panel Slope Rise.
2. In the Slope Rise box, enter a slope rise (for example: 1).
3. In the Slope Run box, enter a run length (for example: 120).
4. On the ribbon, click Part Insertion panel Route Pipe.
5. In the drawing, click to specify a start point.
6. In the drawing, click to specify a point at the same elevation.
7. Press ENTER to finish routing pipe.