We all know how embarassing it is to go to a meeting where your speaker is floating in some re-lite, or your receptacle is hovvering inside some floor to ceiling glass because you missed a floor plan update.
It would be nice if one of the "Warnings" generated by Revit MEP were for devices that were hosted on glass. Materials come through linked models, so I assume this would be possible.
(Yes I know, I should be a good MEP and check the elevations and sections before I start placing devices willy nilly, but it might be a handy little feature to have if for some reason your cut plane is above or below some glass)
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Please give kudos to the MEP Wish List ideas you like, as this will help the Revit development team prioritize functionality additions!