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Thread: Coil Piping Connections - Should I Do These in a smaller file and then copy in?

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    Junior Member wildirish317's Avatar
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    Coil Piping Connections - Should I Do These in a smaller file and then copy in?

    I work for a mechanical contractor that is installing equipment and piping for a convention center renovation. There are 28 large AHUs, each with two, and some with three sets of coils. We want to spool and prefabricate the coil connections. The coordination is complete, in that the supply/return piping is routed to each coil and terminated with a vertical drop.

    My thought process is to take each AHU and drop that family into a separate Revit project file and build the coil connections for that unit. Once complete, I can add the piping to the AHU family and reload it into the main project file (so that it will show in the Revit and Navis models). I can then spool the piping in the smaller file.

    I'm thinking this is the cleanest way to do this, as I can keep my spool sheets out of the main project model and not have to search for the spool sheets in the hundreds of other sheets in the file. Plus, the spool files will open and save much faster.

    I welcome your input.

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    Member TFuller's Avatar
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    How will you be adding piping and pipe accessories drawn in a project file (.RVT) into a family file (.RFA) for reloading into the original project file (.RVT)?

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    Junior Member wildirish317's Avatar
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    I'm assuming I can nest them into the family as an assembly. I haven't got that far..... Fielding phone calls from the field on other matters at present. Haha!

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    Member TFuller's Avatar
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    I thought maybe you had a trick up your sleeve. I was excited.

    Essentially, no you can't. Pipe can only exist in the project environment. You could place the accessories in the RFA of the coil, but you'd have to draw extrusions to represent pipe, and of course, those aren't pipe and no spooling things that aren't pipe.

    I suppose you still do the initial concept, but rather than reloading a family, you'd be adding in 28 new Revit links.

    I'd stick with modeling the coil setup in the original host project.

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    Junior Member wildirish317's Avatar
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    Not the answer I wanted, but thanks. I could also copy/paste the pipe assemblies, but then I would want to make sure my smaller "projects" share the same basepoint as the large one, and it starts taking on a complexity of its own.

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    Member TFuller's Avatar
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    Out of curiosity, are you using fabrication parts or Revit pipe? (I believe now we should always ask this question first....)

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    Junior Member wildirish317's Avatar
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    Sysque. I have an aversion to doing something in Revit and then converting it to AutoCAD just to spool it. Currently, I do my coordination in Revit OOTB, then add native PVF using Sysque. When I spool, I create assemblies and do that in Revit, mainly because I haven't played around with Sysque's spooling function.

    I find that, the farther down the road you move towards spooling, the more difficult it is to move things around for coordination with other trades.

    Working in Revit (or any 3D modeling) is about 20% of my job, except when it becomes 100% of my job, like it is today.

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    I have used SysQue to spool one project mech room. It worked out well but once you do that things need to be set in stone. Some people attempted to blame me for things not lining up right with the mech room when they made changes to the room after we had already prefabbed everything. They weren't really minor changes either, some extra valves and pads under things I didn't have pads under. As far as using SysQue to spool it worked well for me and was pretty straight forward.

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    Member TFuller's Avatar
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    Excellent - just wanted to make sure we were speaking the same language.

    ETA: I speak Fabrication as well.
    Last edited by TFuller; November 13th, 2017 at 10:19 PM.

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    Junior Member wildirish317's Avatar
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    Coil Piping Connections - Should I Do These in a smaller file and then copy in?

    @mhoard, I think it might be better to create a new file from the original model to begin spooling. That way, if major changes are done, you can always make them in the original model and then re-spool it. Not sure though. I’m just cutting my teeth on this.

    It seems like there’s always been a disconnect between the design/coordination and the coordination/spooling/fabrication processes. Edit: No matter what software we use.


    Sent from my iPad using Tapatalk
    Last edited by wildirish317; November 14th, 2017 at 12:48 AM.

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