Thanks to

for posting this
CADclip on their site.
Below is a link to another great video CADclip tutorial and some additional notes on how to use the REVIT Structure 'Beam System' tool to place Wall Girts between columns.
click the link above to play the CADclip or right click and 'save target as..' to download
Above is an image of the way it would be used.
Below are two more images demonstrating how you can change the rotation and girt type while keeping the 'system' intact.

1. We start with a basic Structure of
Columns and beams.
2. Then we add in a new
Reference Plane, in Plan view and
name it Girt System.
3. Then we open an
elevation view perpendicular to the reference plane, looking directly at the proposed Girt wall.
4. Then from the Modelling tab of the design bar we start the
Beam System tool.
5. We
specifiy the new reference plane as our
working plane.
6. We check the
beam system properties and specify the beam / girt
type, layout style / spacing etc.
7. We
sketch in the beam (girt) system outline and clck
finish.
8. Then we can control the overall girt location by
manipulating the location of the reference plane.
9. We can
edit the beam (girt) system
outline, spacing and direction.
10. We can
change individual girt types and
rotation angles.
11. We can
move a grid line and see REVIT's
parametric technology at work.
12. From then on it's just a matter of
playing with the new beam (girt) system to your liking.
I use a c-channel girt but you can make your own 'Z' girt shape if you want and use that instead.
Too easy.....
REVIT .....%$#^& ......
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