Autodesk 24000-000000-9860 - Revit Architecture - PC User Manual page 805

Two perpendicular planes for openings are provided by each beam, brace, or column. These planes align
with the major and minor axis of the member.
NOTE Curved beams are not valid hosts for beam openings.
To cut an opening in a structural beam, brace, or structural column
1 On the Modelling tab of the Design Bar, click Opening
2 Select the desired plane of the member to which you want to add an opening.
Selecting the plane
of the column
3 Sketch the opening on the beam, brace, or column.
Sketching the
opening
Openings in a Structural Beam, Brace, or Structural Column | 767
Opening by Face.