It is 248 meters ( 813 feet ) tall and has 60 floors . It was built in 1961 and is one of the tallest buildings in the world It has 60 floors , with 5 basement floors , and is 248 meters ( 813 ft ) tall , making it the 11th tallest building in New York City , the 40th tallest in the United States , and the 137th tallest building in the world .