Rose Bowl Stadium Renovation in Pasadena, Calif.

Rose Bowl Stadium Renovation



Thornton Tomasetti provided structural engineering services for a three-phase renovation of the historic Rose Bowl Stadium, originally constructed in 1920. The renovation provides an additional 1,900 premium seats and the new press box includes luxury suites, loge boxes, club seats, and lounge areas. The southern scoreboard was replaced with a 1940s-era replica, and the north end received new signage with a longer high-definition video board. To accommodate a larger number of attendees, the renovation increased the number of restroom fixtures and concession stands. The design also widened existing vomitory tunnels and added aisles to ease the entering and exiting traffic.

All phases of renovation were implemented in between football seasons requiring fast-track design and construction for each phase. The initial configuration of the press box expansion required a complex and expensive piled foundation scheme. Working closely with the construction manager and architect, Thornton Tomasetti designed an alternative system that increased the depth of excavation to enable use of mat foundations that integrate the temporary shoring piles into the permanent structure. The revised design isn’t just more cost-effective and constructible; it adds an entire level to the concourse, expanding program space without cost increases or schedule delays.

The new stadium hosted the 100th Rose Bowl game and the Bowl Championship Series title game on New Year’s Day 2014.

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