via Revit Tips – make Railing sloped without any hosts – YouTube.
When a Shaft opening is used in the New Construction phase, It is still creating the opening in the existing conditions phase, even when the opening cut properties are set to be in the New construction phase. Does not sound right to me.
This procedure is to follow instead of Shaft opening tool is not used.
When there is a slab that needs to be opened (demolished) to locate a shaft in New construction, follow this steps:
If your presentation Sheets are not going to include a Existing Conditions the view plan Is setup could be set to Show all (New construction, existing and Demo) overriding the edge with LW tool is not needed.