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Staircase stepped soffit

15 ANTWORTEN 15
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Nachricht 1 von 16
Anonymous
3071 Aufrufe, 15 Antworten

Staircase stepped soffit

Hi. I am using Revit Lt 2019.  I am trying to create a rcc staircase which does not have a normal sloped soffit, but the soffit steps as per the steps above. I would be greatful to know how can we achieve this

15 ANTWORTEN 15
Nachricht 2 von 16
bin
Advisor
als Antwort auf: Anonymous

Like this"?1008201903.PNG

Nachricht 3 von 16
Anonymous
als Antwort auf: bin

Thanks for the quick reply. I should have described my problem better. My staircase has 3 flights consisting of 10 risers, 3 risers and again 10 risers in a C shape. I need the soffit to be sloping for flight 1 and 3 and stepped for flight 2. I am not able to isolate the flight 2 for this kind of condition.

Nachricht 4 von 16
bin
Advisor
als Antwort auf: Anonymous

Maybe have 2 stirs with different run types?1008201904.PNG

Nachricht 5 von 16
Anonymous
als Antwort auf: bin

Well I assume it will not act as one stair in that case. So I will need to calculate the landing levels and specify them at the start. Is it not possible to have flights with different underside condition in a single staircase?

Nachricht 6 von 16
bin
Advisor
als Antwort auf: Anonymous

Yes and No. There will be 2 stairs, but you do not need to model them separately.

Just model one full high stairs, then copy and paste in the same place, edit and delete parts to create the one you need.

 

Nachricht 7 von 16
Anonymous
als Antwort auf: bin

Just wondering is there any problem if we have staircase in 3 parts instead of a single component. Otherwise this look fine. 

Nachricht 8 von 16
bin
Advisor
als Antwort auf: Anonymous

Actually, you can have the lower part and the upper part as one stairs, and the middle part as the second stairs.

If it's me, I will probably just model it as a single stairs, and somehow use model-in-place or even just detail line and filled region for some detailed drawing. At least the stair Arrow/Step number/Tag will work properly.

 

Please let me know if you find a better method. :leicht_lächelndes_Gesicht:

Nachricht 9 von 16
Anonymous
als Antwort auf: bin

I agree with you having one component will make the stair numbering work correctly. So overriding the error in the detail drg is a work around till we get the answer to the question of making a single stair with different undersides.

Model in place will not work in Revit LT.  Even if it did, I dont think it would not help me achieve my objective.

Thanks for your efforts in replying me. 

Nachricht 10 von 16
barthbradley
als Antwort auf: Anonymous

Sounds to me like you are trying to make the stair numbering work, at the expense of making the model accurate. What you are describing is different stair types.  That is most likely how they will be fabricated and delivered to the job site -- as individual precast flights.  It's not going to be monolithic.  Each flight is going to be supported and fastened in a prescribed way.  Model it that way and find a workaround for the stair numbering.   

Nachricht 11 von 16
Anonymous
als Antwort auf: barthbradley

Well the staircase is monolithic cast in situ concrete. It will be behave as one entity. If there is no other way I accept this solution

Nachricht 12 von 16
barthbradley
als Antwort auf: Anonymous


@Anonymous wrote:

Well the staircase is monolithic cast in situ concrete. It will be behave as one entity. If there is no other way I accept this solution


 

Quite all right. I wasn't asking for one.   I would like to hear more about the construction.  Maybe you could provide some pictures of your own. All I see here, is what @bin is envisioning.  Nice work on his part.  Definitely looks credit worthy to me.   

Nachricht 13 von 16
bin
Advisor
als Antwort auf: barthbradley

I have an idea, how about modeling the stairs very thin, like just having treads and risers, then use model in place to model the structural part.  You can have the stairs with normal depth to help modeling the base part and change it to “thin” style after you finish. 

Nachricht 14 von 16
barthbradley
als Antwort auf: bin

Sure @bin. Or, In-Place model the whole shebang. Don't know if it's applicable or necessary here, but it's certainly another approach -- albeit a non-parametric one.

 

Stairs.png

 

...Or, the OP could just use parametric stairs with a uniform underside surface, and save off dealing with the underside surfaces until the dimensions are finalized.    

Nachricht 15 von 16
Anonymous
als Antwort auf: barthbradley

Thanks to both of you @bin and @barthbradley  for your efforts. The solution suggested by you should work but unfortunately I have Revit Lt and not the full version so model in place would not work. Making the tread and risers thin would be worth trying but not sure if I can do such treatment to a few selected risers and not all of them. I am still not good with Revit so will need to figure out how to go about doing this

Nachricht 16 von 16
ToanDN
als Antwort auf: Anonymous

You cab create two stairs and set the Start Number of the second stair to whatever you want to match the firs stair.

 

Annotation 2019-08-11 010911.png

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