Universal Shared Parameters

This post began not so much as a blog piece, but more a means of contributing to a discussion that isn’t limited to 140 character chunks…. (fix it Twitter!). I’m happy to be corrected / contradicted using the comments section, or back over on Twitter @pumphousebim

There is currently a healthy discussion on Twitter about the best way to resolve the ‘Shared Parameter Problem’. Although this is Revit terminology (and I will largely use Revit terminology throughout this post), this is part of a broader BIM discussion.

The problem is this – there is no universal list of Shared Parameters for the construction industry, either in the UK or worldwide. People may try and tell you otherwise, usually people who aren’t day-to-day Revit users – believing that COBie or IFC or National BIM Library (NBL – a UK body) offer a solution to this. They don’t.

This matters because – without Universal Shared Parameters, BIM in Revit doesn’t work very well. Conflicting lists of Shared Parameters, used by conflicting object publishers, cause massive problems for users and BIM Managers, problems which are passed on to Contractors, Subcontractors and Clients

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