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Forums >> Revit Building >> Technical Support >> Room boundaries in dormer opening

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Tue, Aug 21, 2018 at 2:35:49 AM | Room boundaries in dormer opening

#1

sowatec


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Hello,

I have a problem which was already discussed in this forum but there was no answer.

I want to do an area claculation for a house with a lot of dormers. If I use the "dormer opening" tool in the Architecture tab to cut the space out of the roof the room below doesn't fill out the space in the dormer and is not used for area calculation like in the attached picture. The dormer opening itself is still room bounding which it should be not. 

Here it is suggested to turn of room bounding of the roof and add room seperation lines, but I don't know how to add room seperation lines and still get the right shape of the roof. 

https://www.revitcity.com/forums.php?action=viewthread&thread_id=25188

Is there anybody else with the same problem?

Thanks!



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158270_example_room_boundaries_roof.PNG

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Tue, Aug 21, 2018 at 7:45:38 AM | Room boundaries in dormer opening

#2

WWHub


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I can clearly see that the area of the dormer IS included except if you consider the difference in the wall thickness.  If you are talking volumn, then that is a different issue.


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Wed, Aug 22, 2018 at 7:06:26 AM | Room boundaries in dormer opening

#3

sowatec


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Sorry I didn't explain it good enough. You are right, the area is included. But for the area underneath the dormer it doesn't get the right roomheigt.

 

I use the Revit roombook extension which is in this case calculation after DIN 277 (Germany) where area with roomheight

 

>2m counts 100 %

[1m; 2m] counts 50 %

 

Because of the fact that the space doesn't fill the dormer I get wrong heights and because of that wrong areas.

 

So basically I just need to get the volume right.



Edited on: Wed, Aug 22, 2018 at 7:07:31 AM

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Wed, Aug 22, 2018 at 9:57:04 AM | Room boundaries in dormer opening

#4

WWHub


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Joined: Tue, May 16, 2006
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Sorry, I don't think there is any way to get this calculation with a dormer.


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