Select columns that are not centred on the grid intersection
Command : On this view find all the columns that are not centred to the intersection of gridlines and override their cut line colours to red
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Select the duplicated columns in this model
Command: Select all the duplicated columns in this project.
Creating Shaft Openings
For each selected column create a shaft opening. Make the shaft size the same as columns sizes and place them at the same height as base level of the columns. The top constraint to be the top of the column.
Creating gridlines
Create 6 horizontal and 6 vertical gridlines on this view. The distance between gridlines to be 8m apart from each other. The horizontal grid lines to be named alphabetically and start from A. Vertical gridlines to be numerical and start from 1