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