1st IFC export and re-import into revit

- Export to (IFCopenHouse_Lantern_Hollow_IFC)
- Open and save as (IFCopenHouse_Lantern_Hollow_IFC.rvt)
- Link file into (IFCopenHouse_Lantern_Hollow_REVIT.rvt)
- Delete OLD content in  (IFCopenHouse_Lantern_Hollow_REVIT.rvt)
- Bind Link