Thanks for your valuable comments. Attached below the required sketch of the footing layout.
Allowable bearing capacity considered is 110 kN/M2.
The thickness of existing footing is 400 mm.https://files.engineering.com/getfile.aspx?folder=6df0500e-1523-4d6a-8446-4f96da227356&file=FOOTING.PNG
We are looking at installing a new steel gravity column and footing for a G+2 office building very adjacent to an existing G+1 office building. The issue we have is that on of our column footing is coming directly over the edge of the existing footing. We are looking at over pouring the new...