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  1. ArchDaily
  2. News
  3. What Does it Take to Design a Super Bowl Stadium?

What Does it Take to Design a Super Bowl Stadium?

What Does it Take to Design a Super Bowl Stadium?
© Nic Lehoux
© Nic Lehoux

On the 4th of February, Minneapolis will host the New England Patriots and the Philadelphia Eagles for the 52nd Super Bowl. With over 100 million people expected to watch the game this Sunday, all eyes will be on the city of Minneapolis—a city known for not allowing the harsh climate get in the way of their celebrations—and the brand new US Bank Stadium, where a huge permanent roof will ensure that, come rain, shine, or snow, Minneapolitans will have a space to gather and enjoy themselves.

HKS Architects took on the challenge of designing the stadium to replace the Minnesota Viking’s previous home, the Metrodome, which was known as "Minneapolis’s living room" for the strong relationship it had with the population as both a civic hub and a stadium. Unlike past stadiums the Dallas-based architects have designed, the US Bank Stadium required a different outlook, with a focus on designing a catalyst for public infrastructure and a communal space that provokes interaction with the community. So how did they achieve a structure that can both host the Super Bowl yet remain a prominent part of the city for years to come? We spoke to the lead architect on the US Bank Stadium, Lance Evans, about how to design and construct the centerpiece for one of the biggest sports events of the year.

© Nic Lehoux © Nic Lehoux © Nic Lehoux © Nic Lehoux + 59

© Nic Lehoux
© Nic Lehoux

One of the key aspects noted repeatedly by Evans was the strength of their collaborations. HKS themselves specialize in building sports stadiums, with some of their other notable projects in the works including the new stadium for the MLB’s Texas Rangers and the 2018 World Cup stadium in Russia. However, the cold weather created multiple challenges in terms of construction and design that they were less familiar with. Evans explained how throughout the construction process HKS collaborated with Mortensen, contractors from the region that were adept at working in Minnesota’s climate.

© Nic Lehoux
© Nic Lehoux

For such a large and important building, careful planning and constant communication between all the parties involved was key. The architects and contractors worked collaboratively, exchanging building information models (BIM) back and forth throughout the entire process so HKS could respond and evolve their design to suit the construction needs. Mortensen were able to add a time dimension to that BIM information, creating a four-dimensional model of the project to accurately map when pieces of the building would arrive on site and to help break down the complexity of the Super Bowl stadium.

© Nic Lehoux
© Nic Lehoux

The Super Bowl will see the US Bank Stadium open its doors to over 70,000 football fans this weekend and to ease the flow of people into the stadium, HKS also collaborated with engineers Thornton Tomasetti to design the huge glass pivotal doors, each measuring 55 by 95 feet (16.8 by 29 meters). The team worked together to overcome the challenges of how to physically move and rotate the heavy doors, eventually coming up with a hydraulic piston system that opens and closes the doors in a series of five minutes. Another issue arose around keeping the snow and cold out of the doors. "It became a complex study of how the doors come together and how the seals of the doors overlap, and we were able to guarantee the closure was secure," explains Evans. "We did a series of table-top mockups and lab test mockups that related to different seals, foam seals, plastic seals, silicon, and different ways of overlapping, different mechanisms of geometry in order to ensure that the doors were going to function just as well in the closed position."

© Nic Lehoux
© Nic Lehoux

Working hand in hand with the Minnesota Sports Facilities Authority (MSFA) and the Vikings, HKS manifested a design that understood their needs in a way that suited both the client and location. Although the clients had requested a retractable roof in their brief, the architects saw that it would not be suitable for the climate of Minneapolis and questioned what was really being asked for: a connection to the outside and access to natural light while providing a better internal environment. All of these desires, they realized, could be achieved by reinterpreting the brief and using ETFE.

© Nic Lehoux
© Nic Lehoux

This was the first time that HKS had used ETFE in one of their projects; "we had initially done some studies for the Minnesota Vikings in the late 2000s; we did some preliminary studies of the stadium proposal which didn’t end up going through," says Evans. "During that original proposal, we had thrown out the idea of utilizing ETFE as a material that could get all the benefits that the client wanted." Fast-forward ten years and the uncharted material was revisited as a solution to all their problems. The ETFE roof weighs only 1% of what it would if it were built with glass, yet it still allows maximum transparency as well as the ability to control the amount of solar radiation by fritting the material.

© Nic Lehoux
© Nic Lehoux

The final design ended up becoming something very different from what the MSFA and the Vikings had initially envisioned, but Evans is confident about the result. "The idea as designers, it's about how to interpret their needs and I think ultimately, at the beginning, we manifested something very different from what they had initially thought. But they ended up loving the building and what it has done for that portion of Minneapolis." Through questioning the brief and collaborating with local experts, the architects successfully built a stadium capable of hosting the Big Game.

© Nic Lehoux
© Nic Lehoux

U.S. Bank Stadium: A Game-Changing, Multi-Purpose NFL Stadium

Architecture's ability to bring people together is perhaps one of its greatest, awe-inspiring traits. And while the "bringing people together" part is usually meant figuratively, there is no building type quite as marvelous as the stadium, a place that literally gathers tens of thousands of individuals in one place, at the same time.

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About this author
Ella Thorns
Author
Cite: Ella Thorns. "What Does it Take to Design a Super Bowl Stadium?" 01 Feb 2018. ArchDaily. Accessed . <https://www.archdaily.com/887950/what-does-it-take-to-design-a-super-bowl-stadium/> ISSN 0719-8884
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