
The structure of the building required No. 2 connecting beams called P1 and P2, which weighed 72 tons and measured 121-feet long each, and No. 2 connecting beams called P3 and P4, which weighed 112 tons and measured 194-feet long each. There were two beams on each side of the building, each of which was constructed of two sections that had to be lifted separately. Even though the sections were different shapes and weights, they required the same installation plan. Consequently, Fagioli used the same Tower Lifting System at two different heights. There were zero accidents.