IFC definition for geological ground model from Leapfrog Works (or Sequeent Central)

[arup-yun]

Hello,

Seeing as there are no issues opened for discussing an IFC implementation for geological ground models, I will start one here. Our geotechnical engineers are currently exporting ground models in leapfrog using a bespoke IFC converter. It treats the ground mesh as a "building element proxy" and different subterranean layers as "building names". This works but is not a appropriate long term solution, so I want to open discussion for a new branch of IFC for defining ground models.

Thoughts?

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