If the pipe spec, size, or line number are not set in the ribbon, do the following:
On the ribbon, click Home tab Part Insertion panel Spec Selector drop-down list.
In the drop-down list, click a pipe spec (for example: CS300).
In the Pipe Size Selector drop-down list, click a pipe size (for example: 4”).
Note:
You can click the button next to the size drop-down list to display component size only in project units or in both Imperial and metric units when the project and component units differ.
In the Line Number Selector drop-down list click a line number (for example: 101 or Unassigned).
On the ribbon, click Route Pipe.
In the drawing area, click to specify a location for the start point of the pipe.
Click to specify the next point of the pipe.
Continue clicking in the drawing to specify any additional points of the pipe.