[3] In 1920, Roque Ruaño was assigned to draw up plans for the UST Main Building to be constructed at the Sulucan property of the Dominican Order.

However, some fine tunings may have been made on the design criteria as a result of the new lessons learned from the Great Kantō earthquake of September 1, 1923 which flattened Tokyo and Yokohama.

The most significant feature is the fact that it is actually made up of 40 separate structures independent from one another with the only opportunity provided by pre-cast stab flooring.

[4] But some locations of the separations are now difficult to determine exactly because of the numerous cosmetic changes the interior of the building which has undergone over the years.

According to an article written by the former dean of Faculty of Engineering, Manuel Mañosa, this is how it is divided: Standing on the pedestals of the fourth floor of the building are statues symbolizing the spiritual and intellectual aspiration of the university.