1. Dominic
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  3. Wednesday, 01 February 2017
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I’m taking steps into understanding COBie in practice which has consisted of downloading the COBie Revit extension and watching YouTube videos.

I have a list of questions which I’ve written down as I’ve been going through with the hope they can be answered over the course of this thread:

• Are there standard COBie parameters and specific naming conventions? The NBS have a shared parameters file with COBie parameters and the COBie extension tool loads in different parameters with a COBie prefix.

• Can/how can parameters already existing in a component be mapped to a similar COBie parameter?

• Is it best to start the COBie extension at the end of a project stage before a data drop or at the start?

• Once I export to the COBie spreadsheet can it be edited and pushed back to the model?

• What questions should we be asking and information needed for prior to commencing work requiring COBie?

• Is it possible to 'do' COBie when working with IFC files of an asset?

Also if anyone has any good sources they can recommend I look at then please share here.

Thanks
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Kristine f. Accepted Answer Pending Moderation
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The TN Office of the State Architect has developed BIM and COBie standards and provides some general and some Revit-specific tips and resources at :
References
  1. http://www.tn.gov/finance/article/fa-osa-bim-standards.
  1. more than a month ago
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Shawn Accepted Answer Pending Moderation
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Hi Dom, Have you read the original standard in NBIM US V3? I believe much of what you desire to be clarified can be sought after in the original standard. In any case, being with the standard. Good Luck.
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Jan Accepted Answer Pending Moderation
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Thanks guys for sharing.
  1. more than a month ago
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Jason Accepted Answer Pending Moderation
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Sorry for the late reply, but I can help with two of those questions:

Can/how can parameters already existing in a component be mapped to a similar COBie parameter?

The COBie Extension has a Parameter Mapping feature to allow specifically for this



Once I export to the COBie spreadsheet can it be edited and pushed back to the model?

COBie is designed as a "one way street" so the extension was built with the same tactic in mind. Obviously there are a lot of people using it as a back and forth exchange. There is no official support for this, but I have seen a handful of Dynamo solutions that take care of it.
  1. more than a month ago
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David Simpson Accepted Answer Pending Moderation
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You need to agree amongst your project team which method of delivering COBie is most appropriate for your project. It could be using the Autodesk add-in, or a more manual approach using other parameter sets, or even attaching the data to the federated models in an external programme, such as Solibri.

We use the Ideate BIMLink add-in for Revit to push data out to Excel, and then reimport it. Updating COBie parameters in a model from data supplied by others, or copying data from one parameter to another are just a few of its uses.

In the UK, there are typically 3 or 4 COBie data drops throughout the life of a project, with progressively more data exported at each drop. Refer to PAS 1192-4 for details.
  1. more than a month ago
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