What is the size of the footing for the steel sport columns in the basement?

The size of the footing for steel sport columns in a basement typically depends on various factors such as the load-bearing capacity required, soil conditions, and local building codes. Generally, footings for such columns can range from 2x2 feet to 4x4 feet or larger, depending on the specific structural requirements. It is essential to consult a structural engineer to determine the exact dimensions based on the project's needs.