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Thread: Revit 2014/2016 Pipe Tee Fitting family will not migrate fixture unit data

  1. #1
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    Question Revit 2014/2016 Pipe Tee Fitting family will not migrate fixture unit data

    I am trying to model Sanitary Waste and Domestic Water pipe which will display, when tagged, the amount of connected fixture units from Plumbing Fixtures. I have set up Plumbing Fixture families with connectors that are linked to Fixture Unit parameter values. The connected pipe immediately downstream of the fixtures carries the data correctly. If I add an elbow pipe fitting, the pipe carries the data correctly. If I add a Pipe Tee Fitting to the pipe, the Fixture Unit data will not migrate. See attached image. By default, the System Classification of the connectors in the Tee Fitting family is set to "Fitting" . I tried changing the System Classification to Sanitary, and the Flow Configuration to "Fixture Units" I have tried changing the Flow Configuration of the Primary Connector to "Calculated" and "Preset". The data still will not migrate. I have this problem with a generic Pipe Tee fitting and a vendor built Sanitary Tee fitting. I have tried creating a link between connectors, which has not worked either. I have the same condition in Revit 2014 and Revit 2016. I would appreciate any suggestions for how I need to modify the Pipe Fitting families.

    Thanks very much
    Attached Thumbnails Attached Thumbnails Revit 2014/2016 Pipe Tee Fitting family will not migrate fixture unit data-pipe-tee-fitting.jpg  

  2. #2
    Forum Addict josephpeel's Avatar
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    I have had similar problems when making Ts and Ys for duct systems. It seems to be related to which connector is the Primary connector but in fittings where it didnt work I have never been able to find a way to fix it...
    I spent a lot of time trying different options but it is not clear what defines a connector as a branch or main. I think the best way is to take an example/standard T from autodesk and use it as the basis for your own, with the same connector positions and links.

    Although, it may not be your fitting that is the problem. It could be that your system is not well connected or the flow direction is wrong for the branch.
    Last edited by josephpeel; April 22nd, 2016 at 11:06 AM.

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    Thanks for your reply Joseph;
    The Tee Fittings that have been causing problems for me do not have a Primary/Secondary designation by default. This is true for fittings from the Imperial Library and some Vendor Built families I have downloaded. I have tried Linking different pairs of connectors within Tee Fitting families, but the data still won't flow past the Tee Fitting. Elbow fittings will migrate data without altering the fitting family at all. I assume many users are building large piping systems with data migration, so I don't know how they are getting around this issue.

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