> LeMessurier realized that a major storm could cause a blackout and render the tuned mass damper inoperable. Without the tuned mass damper, LeMessurier calcula

> LeMessurier realized that a major storm could cause a blackout and render the tuned mass damper inoperable. Without the tuned mass damper, LeMessurier calculated that a storm powerful enough to take out the building his New York every 16 years. > In other words, for every year Citicorp Center was standing, there was about a 1-in-16 chance that it would collapse. They dropped a factor here. Not every storm strong enough to damage the building without the damper would cause a blackout first.