Why not just turn the operator into a Window/Wallhole? Especially if it's repetitive through the project.
http://archicad-talk.graphisoft.com/viewtopic.php?p=189951
Then just save the object into the Embedded Library.
Scott Graham, AIA LEED BD+C
Principal | BIM Manager
Muhlenberg Greene Architects, Ltd.
Wyomissing, PA 19610
V6.5-26.0