That should work!
Cable Tray Clearance Zone.dyn (58.0 KB)
@sovitek This is the node. I made it easier for me to follow as well. Dont think I changed anything
thanks…i take a look later, im in some meeting rest off day 
are you sure i have access to the rvt ?
you should be good to go! anyone with the link can edit
thanks i have give it a try…you need to play around with the unit…and it should work on your exemple…for the other wire tray it will need another approach…hope it could work for you…good luck…
This one here need another thing…
Clearence fabrication.dyn (66.7 KB)
Where do those “Convert by Units” Nodes come from?
Difficult to say works great om my side…try to zoom in your graph with all nodes expanded so we can see whats goin on…then we can help PS unit converter i use is an OOTB node… becoarse we dont use inches here you could just type in the inches unit in the codeblock