If the perfect storm had hit Citicorp Tower, downtown NYC would have been destroyed.
Construction
TMO did not help the issue
Bottom 9 story stilts that made it less stable
They cut 4 corners off the design
High winds
50/50 : chance of building tipping over storm every 16 years
Building vulnerable to quartering winds
Domino effect on 17 blocks
Chevrons
Bolted not welded
Slices every 2 stories
Secrets
They didn't tell anyone that a hurricane almost hit
NYC used cross plan confidential
Bank didn't want much people to know
Church
The church was in the way
The bottom 9 of the 59 stories are stilts.
Cut 4 corners off design in order to achieve over church