The system used 10 charts, each with 26 rows and columns labeled from to .

The building also made history by being the first to use liquid-filled fireproofed columns.

It was also the first building to use columns encompassing two orders, called a giant order.

This type of design uses fewer columns and allows for a distinct unit layout.

He used arches, columns, and other elements of classical architecture in his designs.

This method tracks changes using separate columns and preserves limited history.

For example, he used square columns instead of traditional, round ones.

This makes it possible to span higher and wider gaps using narrower columns.

The building does not use pillars or columns to support itself.

Using stronger and bigger columns for the base solved this problem.