Forums >> Revit Building >> Technical Support >> Subregion and Phasing

jbhearn

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Joined: Mon, May 10, 2010
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Hi,

I am having a problem creating subregions (phased as new construction) on a topography that is phased as new construction. There is an existing site object that has been modified and I went through the graded region process to produce the duplicate site object to calculate cut/fill. 

The problem is all the subregions I create are in the existing phase regardless if I make them as new conconstruction.

Any help with the issue would be greatly appreciated!!!

Thanks in advance,

Brian.

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jbhearn

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Joined: Mon, May 10, 2010
6 Posts
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Hi,

I will answer my own post since it just dawned on me what was going on!!

In the graded region operation my Phasing was set up to be Phase Created - Existing and Phase Demolished - New Construction so that Revit can make a duplicate of the existing topography prior to edititng the existing grade. You end up with two topographies created in different phases which allows you to modify the contours (of the new one in new construction, retain the original unmodified topography) and derive cut/fill data, ect. Revit is smart!!

To add subregions to the new topography the subregion Phasing must be set up to  Phase Created - Existing and Phase Demolished - New Construction; Revit will automatically create the subregion in the New Construction Phase. 

I hope this helps anyone with the same problem!

Power to the Parametric!

JB

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