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    #1

    Precast Insulated Wall Panels

    Hello everyone, my first post. I have been study Revit for my company the past several months. We are looking to make shop drawings for precast in the near future. Look forward to the exciting journey of Revit.
    Lots of pros and cons from AutoCad to Revit. But seems Revit will only get better. I pretty much got it dialed in except a few things.
    I still can't figure how to block out insulation around plates and different areas. I attached a pdf of examples of what im trying to achieve. I have been using dividing parts. But I seem to can't customize it in vertical sections. I have used this
    http://www.aga-cad.com/blog/how-to-model-complex-precast-wall-panels-using-revit-parts
    the last part of the article is what I am trying to achieve. Any ideas or tips?
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    #2
    I'd look at creating a wall hosted or face based generic model for the blockouts. As long as you assign the same material to the blockout as the concrete in the wall, they should join together and look like your images.

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      #3
      Creating wall & face based generic models I was able to get the blockouts for the precast concrete, but not the insulation. You mean try to make another extrusion in the wall (to where i want insulation to become concrete) and make extrusion material to precast concrete?

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        #4
        I'd use the layers of the wall tool for the concrete and insulation, and then use a separate family for the blockouts around openings. In the past I've built that into my window and door frames for precast, but it seems like now all the precast manufacturers we deal with can do edge to edge insulation so it's less of an issue.

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          #5
          ok I got it to work the way you said. . But the one issue when I do the scheduling in the shop drawing. It did subtract the volume of the insulation for me. But it did not add the concrete volume the replaces the insulation? I guess I'll have to work with the schedule with a calculated parameter.

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            #6
            I would abandon the parts workflow post-haste if your bread & butter is precast work. Parts offer a sound workflow for one-off detailing exercises, but come the moment you're requested to produce an entire building model of said precast, Parts quickly lose their lustre.

            Similarly, Chris' idea of using cutting-elements on basic walls, whilst sound for spatial arrangement and visual articulation, will not cut the mustard come componentisation and scheduling.

            Personally, I'm all about Curtain panels for SIPs & such.

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              #7
              Originally posted by snowyweston View Post

              Similarly, Chris' idea of using cutting-elements on basic walls, whilst sound for spatial arrangement and visual articulation, will not cut the mustard come componentisation and scheduling.

              Personally, I'm all about Curtain panels for SIPs & such.
              Thats not exactly true. Basic walls, with cutting components, and model groups to "componentize" the Panels themselves, can and does work fine, as long as you manage the wall joins with Disallow Join. I would actually wager that it works as well (or better) than using the Revit Curtain Wall tool for panelization, since the panels in the RCW can still slightly change sizes, as the "grids" move around in the CW.

              Ive got entire structural models here done (some that were SIP and some that were tilt up panels), where all of the panels (and reveals, and joints) were done with simple Basic Walls, and face based or wall hosted families, and Model Groups.
              Aaron "selfish AND petulant" Maller |P A R A L L A X T E A M | Practice Technology Implementation
              @Web | @Twitter | @LinkedIn | @Email

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                #8
                Originally posted by Twiceroadsfool View Post
                Thats not exactly true.
                Quite. I guess it's because whenever I hear 'precast' I think of panels that are more than just a planar form - I'm sure basic walls can suffice a lot of the time - but as soon as you need to start thinking about multiple-mold-poured-panels, I struggle too see how they'd accommodate such.

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                  #9
                  Very fair point. But, the same is true for Curtain Wall Components, once the panels become *nonregular* in elevation. Certainly, non regular in SECTION is easier to achieve with the CW tool and CWP Components, for sure. You CAN accomplish it with basic walls, using hosted components as voids that cut away at the concrete. Its how i did the entire warehouse i had to do, that had a lot of reveal work in it.

                  I guess it really is just picking your poison.
                  Aaron "selfish AND petulant" Maller |P A R A L L A X T E A M | Practice Technology Implementation
                  @Web | @Twitter | @LinkedIn | @Email

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                    #10
                    There are obviously some different needs here from the shop drawing side compared to the design side. I've looked into using curtain panels for precast and tilt-up walls, but the main issue I had is that it's much harder to drop doors and windows in, especially early on in the process when things are still moving around a lot. If you're at the shop drawing level and the design is set, and panel repetition and optimization is the goal, I think CW's could make a lot more sense. For me it's still going to be basic walls with hosted reveals and sweeps any day.

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