Forums >> Revit Building >> Technical Support >> Revit 2009 : Coordination Between Revit Structure & Revit building

Asidie

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Hi all.

 I am currently working on an office building with revit. The structural engineer also work with revit (structure). The structure will be concrete.

I am wondering, when I will import the structural model into revit architecture:

Let say that there is a bracing wall made of concrete (drawn in revit structure).

I want to put a gypsumboard finish on that wall. So, I make a wall type consisting only of metal furring and gypsumboard that I will draw along the structural concrete wall.

 The problem is: What if I want a door in that wall? If I insert the door, it will cut only the "metal furring and gypsum" wall.

Anybody can help?

Math

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WWHub

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Joined: Tue, May 16, 2006
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In order to insert a door into a structural wall, you will have to copy-monitor the wall.  That means they own the wall but now you will be able to insert the door. 

Once you copy-monitor the wall, use join geometry to have youd dorr cut both the copied wall and your furred wall.

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mignut

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I've been researching on "who models what" in terms of the structural components and can't find a clear answer on best practices. What are your recommendations?

What is better: 1) to copy and monitor structural items (columns, beams, structural parts of walls and floors...), and therefore duplicate.

                       2) to keep the structural model linked in, all the time (for viewing/understanding and for final prints) and so not model anything structural in the architectural model. This would mean separating the architectural and structural parts of the walls and floors.       This would mean that these would have three parts: interior, structural and exterior... is this feasible when it comes to keeping things attached or to adding doors and windows?

All the blogs I'm reading seem to deal with the more simple items to isolate like columns and beams but not the rest.

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WWHub

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From the Architects side:

1. In most cases, we own the floor and roof.  The structural can copy/monitor or have their own.  It will be their coordination issue.
2. We own the walls/doors/windows - structural can copy/monitor as required.  We turn off linked structural walls in our model.
3. We initially create all the grids and the structural copy/monitors.  If they move, we see it in coordination review and respond accordingly.
4. Columns - Steel - We may initially place columns but we turn this over to structural (IF THEY WILL MODEL CORRECTLY) and then we keep the model linked and on.  Concrete columns may be different sometimes.
5. Beams - we don't model and we see the structural.
6. Trusses - Depends upon the truss.  If not visually adequate (like wood trusses), we turn off structural and place visually correct trusses.  
7. Structural bracing - we only see what is provided in the linked model.

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mignut

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From your reply, and some more research, this is what I think I will do:

1. Structural will model and own: columns, beams and all structural steel.

2. Architectural will model and own: all walls, floors and roofs. We will monitor, but not copy, columns, beams and structural steel. We will copy, and possibly monitor, roof and floor trusses.

3. The levels and grids will be copied and monitored by both structural and architectural.

3. I will keep the structural model linked in at all times to see structural elements not modelled in architecture such as columns and beams.

From what you and others have wrote I feel like the ownership of structural floors and roofs is a bit of a grey area. Some recommend dividing these into parts, architectural layers and structural components, and others not. In our case, we do many design changes throughout the whole process and so I believe that we should keep ownership of these for workflow purposes.

Do you have any comments on what I have laid out above? Thank you for your help.

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mignut

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I've changed my mind a little since my last reply. This is what I propose to do:

1. Architectural will model and own: columns, beams, structural steel and floors.

2. Architectural will model and own: all walls, finished floors and finished roofs. We will monitor, but not copy, columns, beams, structural steel and floors.

3. The levels and grids will be copied and monitored by both structural and architectural. 

3. I will keep the structural model linked in at all times to see structural elements not modelled in architecture.

From what you and others have wrote I feel like the ownership of structural floors and roofs is a bit of a grey area. Some recommend dividing these into parts, architectural layers and structural components, and others not. In our case, we do many design changes throughout the whole process and although it might not be as easy and flexible for workflow purposes, it might be more logical to give these to structural. If we change the level of the finish, and so the structure, it is generally one overall change and so it is easy to coordinate.

Any comments on this approach? Thank you!!

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WWHub

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I thnik you are wrong in modeling the columns.  Why do you need them? ... If you must have them then you should copy monitor the structural file. 

In most cases, we want to actually just see the structural and not own anything except for walls, floors, roof because those items are necessary for our hosted elements. 

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mignut

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Yes, you're right... Note 1. has a typo. It should say "Structural" and not "Architectural"

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