Forums >> Revit Building >> Technical Support >> Newbie question on framing

buttonsrtoys

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Joined: Wed, Feb 10, 2010
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I added a Wood Joist floor to my Revit model and would like to be able to see the joists when sectioning through the floor and in my framing plans. On my view I turned discpline to "Structural" and drawing detail to fine, but to date all I'm seeing is the floor sheathing and finished floor -- no joists.

Does the Wood Joist floor that comes with Revit show this? If no, is there a downloaded family that does? I could create my own, but am hoping to not reinvent the wheel.

Thanks in advance. Revit Architecture 2011.

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coreed

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Joined: Fri, Feb 10, 2006
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you'll have to add the floor joist as a beam system or one by one

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coreed,aia

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buttonsrtoys

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OK. Thanks! In general, is it a bad form to have a floor/wall family that shows joists/studs? I initially thought it would be a great to have floor families show joists, but could see where this might have limited uses and the general approach of keeping the structure out of floor and wall families might make more sense.

If someone could point me to the Revit philosophy on this, I'd really appreciate it.

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itsmyalterego

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Joined: Thu, May 28, 2009
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That really depends on the project I guess.   Joists might be a little better to show, but wall studs... well, you just say on a detail somewhere "2x4 stud at 18" O.C." and the contractors know what to do.  It's not expected that you show the framing around window openings in your model -- just that you have a 2D detail of an instance like that. 

The amount of time it would take would be... uneconomical.  There's a certain level of detail that you're not really expected to model in revit, and I think studs are that threshold. 

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buttonsrtoys

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Thanks for the response. I agree that it's bad form to show studs in a framing plan. I was more asking about whether it's prudent to make a floor family that has the ability to show joists in plan and section. I suspect that in practice, it doesn't really work and that you're better off leaving joists out of floor family.

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palladio1234

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Joined: Wed, Jan 6, 2010
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I do not think you can create a floor family since it is a system family.  You either can show the thickness of your joist in the floor instance or you can just model the substrate/finish as a floor (very thin) and add a beam system to the underside of the floor instance.

I typically show the thickness of the joists in the floor instance early in the design process (schematic).  Then as we move through design develpoment and into construction documents I modify the floor to just have the thickness of the substrate and add a beam system on the underside of the floor substrate instance.

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vector23

Joined: Sun, Apr 23, 2006
265 Posts

and i will not use a framing extension program.

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thetabest

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Joined: Tue, Mar 15, 2011
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It is possible, but as ismyalterego says, its not necessary.  Just for show, I created a window family, which had the framing included in the family, this was to see how it played in Revit, and it didn't make any real sense (unless we wanted to see the framing in 3D without anything else).  There are framing apps out there, which can do it for you, pretty cool too, but they still weren't really worth the time.  I guess it really comes down to what purpose you are trying to serve, if your looking for cool images, etc. then I can see where having the framing modeled would look nice, but if your purpose is for automating detailing, then create a drafting view, draw up (or bring in from your old Stock CAD details) the desired detail, then when you make a callout, check the reference view checkbox, select the just made view, and there you go.

Now for all of you reading this, and to just ask it, if Revit had the ability to automatically create the stud layouts for your walls, would you use it?  I could see this helping the contractors, as they can create a more accurate bill of materials, but on the design side, I see it as useless.  Thoughts?

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Trent Best

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