Did you know that MicroStation has a new Clash Detection engine built into it?
Clash Detection - Clash detection is an analytical tool which automates the clash detection process. The clash detection feature allows you to identify sets of business or graphical elements and to detect geometrical clashes between these object element sets.
You can then interactively and graphically review these clashes, annotate or markup particular clashes, and assign them for follow-up.
Clash Detection > New > Beams and Pipes
Drag Level=Beams to Set A
Drag Level=0107 to Set B