Beam System being cut by above beam

[mongeV7MSN]

Hello Everyone, 

I have an issue with a Beam sistem not reaching the full extend of the boundary that I set. When I finalized modeling the beam system instead of showing its length all the way passed the above beam, it seems to intersect with the beam avobe even tho is not touching. there is a column above as well as I am trying to create a hanging ceiling system. 

I see the option that individuallty I can change the End Join Cutback and it will adjust the distance that I want but not exactly accurate and I need to do this for all the Joist. 

Am I missing a feature or parameter to set this properly? 

Thank you very much for the answersin advance.

[jay_colcombe · Accepted solution]

If you use the Beam or within its boundary as a placement point for the Beam System Boundary it will automatically use the Beam Trimming defaults within Revit even when not in the same plane.

You can place it so the Beam System goes past the Beam a few mm and this then losses association but it is not a true length.  I typically use CTRL and select all Beams in the System > Edit the Cutback to 0 in the Properties Palette and then use Change Reference and Tab Select the Back Face of a Flange to push the Beams to this Face.

FYI

How to disable beam cutback in Revit