Formerly known as Sears Tower, the Willis Tower is among the tallest buildings in the world. Besides, in 1974, it overtook the World Trade Center to grab for itself the title of the tallest building in the world. However, that changed in 2013 with the construction of the One World Trade Center. If you are going to visit Chicago, you are sure to spot it in the city’s skyline.
The History of Willis Tower
The tower resulted from a need for an office felt by the visionaries, Sears Roebuck and Co. To be exact, they needed enough space for its three hundred and fifty thousand workers. Besides, the tower became a symbol of hard work and hope. In total, two thousand builders took part in the construction process.
After its completion, Willis Tower soon became the tallest building. That is, only to fall down the ranks in 1998. In the end, Blackstone bought the tower. Willis Tower sold for a total of $1.3 billion.
Some Numerical Facts About Willis Tower
Currently, the tower ranks 12th among the tallest building in the entire world. However, it ranks 2nd if you consider only the western world. The tower boasts of a hundred and ten stories and is four hundred and forty-three meters tall. Besides, the mentioned height is excluding the twin antennae. Thus, the tower is a soaring five hundred and twenty meters tall to include the antennae.
Willis Tower occupies a space that is equal to house more than a hundred football stadiums.
For those curious, it took around seventy-six thousand tons of metal to construct the towering structure. Thus, if someone were to weigh it, the tower would easily be about two hundred and twenty-two thousand tons.
Like other modern buildings, it is earthquake-proof. Besides, the sway, on average, is nearly six inches from its center of gravity.
Willis Tower has a total of sixteen thousand and a hundred windows. For the entire electrical purpose, it took twenty-five thousand miles of cables.
The elevator wires took eighty miles long to cover the 108 floors.
The Willis Tower paid a lot of detailed attention to the lighting inside the building. There are about 145,000 lighting fixtures throughout the entire length and breadth of the tower.
What to Expect
Currently, Blackstone owns Willis Tower. Many businesses are coexisting together inside the tower. These include companies related to finance, food, and even law. If you were to count the people visiting the building daily, it would run up to more than 15000.
When the revamp began, the mission was to create a welcoming space. Besides, the idea was to create a space that was inviting and available the entire year. Also, to build a symbol that would unite its many visitors in their work and ideas. And a place that would ultimately become a genuine community.
Designed so that it appears cozy and warm, Willis Tower is truly a step ahead of others.
Willis Tower Green Energy Commitment
If you thought that was all there is to it, you would be pleasantly wrong. The tower is not willing to compromise when it comes to a healthy Earth. The innovators believe in green energy sources. For example, solar panels are installed on specific parts of the building to make use of solar energy. Not just that, dedicated green roof space is also available.
Besides, the tower has, in total, cut down its energy usage by more than a third. Thereby, it lessens its total electrical use down to 34%. Also, the tower’s water usage is down by a significant percentage. Thus, saving millions of liters of water in a single year. Also, Willis Tower puts a lot of focus on recycling its wastes and reusing them.
Willis Tower is most definitely a part of the team green when it comes to energy. We commend its effort in saving energy and making use of green energy instead. Besides, it is the only building that is the largest and is certified and has an ENERGY STAR.