Forums >> Revit Building >> Technical Support >> Revit 2025 on ACC: Toposolid cut by Shaft and Openings

iamian33

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Joined: Tue, Nov 17, 2009
148 Posts
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Greetings.

We are working on R2025 on the ACC.  We have an underground building, so the Toposolid surrounds the building on all sides. The building initially contained shafts.  When we created the Topo, the surface above is also cut, even though the shafts remain within the building.

Initially, when we then deleted the shafts and recreated them again ... the topo appeared correctly. This would have been fine except when we update the topo with new the grading design, the new topo is then cut by the old shafts.  The idea of recreating every shaft again is not productive. 

Now, any shaft / opening will cut the topo regardless of the order of creation.  

I have added an image showing the topo with shafts cutting.  FYI, I am using Model-in-Place voids to cut the Topo for the building.  

Adesk support hasn't been helpful, maybe someone here might know how to address this.I'd be most grateful for any suggestions.  Ian

Attached Images

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Ian Shafer

Principal Consultant

True North S&F Consultants

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Copy Monitor Shaft Openings

2

A Floor That Can't Be Penetrated by Shaft Opening

5

shaft through a wall created from a mass

1

fascias should be able to be cut by vertical openings

0

shaft cutting beams

2