Place footings beneath structural columns or at grid intersections.
To place multiple instances of the footing at the intersection of grids in a plan view, click Modify | Place Isolated Foundation Multiple panel (At Grids). Select the grids and click (Finish).
To place multiple instances of the footing beneath specific columns, click Modify | Place Isolated Foundation Multiple panel (At Columns). Select the columns and click (Finish).
The Bottom Elevation of structural foundations (footings) is reported in a read-only instance parameter called Elevation at Bottom. You can then display this value in a view by tagging the foundation with the Structural Foundation Tag with Elevation tag. It is available from the family library, under Structural/Annotations.