Locations > Seattle
Seattle
1500 4th Ave
Suite 450
Seattle, WA 98101
United States
Phone: +1.206.336.4100
Fax: +1.206.336.7701
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Featured Project
Climate Pledge Arena From world’s fair pavilion to world-class arena – we provided structural and construction engineering to transform a historic venue into a first-class sports and event facility.Additional Projects
Seattle News
Structure Magazine: Preserving a Landmark
March 21, 2024
The total transformation of the venue serves as a structural engineering benchmark for existing building renovations in high seismic zones and demonstrates what can be accomplished with modern design and analysis techniques.
Climate Action – Engineers and Scientists Have the Solution
September 20, 2023
A two-pronged approach of decarbonization and resilience can help combat climate change while dealing with today’s shocks and stresses more effectively.
It's Playoffs Season
April 24, 2023
When it comes to the NBA and NHL venues involved in this year’s playoffs, Thornton Tomasetti has worked on more than one-third of them.
Climate Pledge Arena Wins ACEC Gold Award
February 09, 2023
We are proud to have received a National Finalist Gold Award from ACEC Washington State in the Structural Systems Category for Climate Pledge Arena.
ASCE: Seattle Arena Expanded Below Grade To Protect Landmark Exterior
January 26, 2023
The transformation of Seattle’s KeyArena into the state-of-the-art Climate Pledge Arena required supporting the 44-million-pound landmark roof and excavating 680,000 cubic yards of soil to make way for the new below-grade venue.
Daily Journal of Commerce: Transforming Seattle’s historic KeyArena
October 29, 2021
"Designing and constructing a new steel-framed arena below a temporarily supported roof and around a temporary perimeter shoring was much like building a ship in a bottle."
Venues Now: Why an Iconic Roof Designed for the 1962 World’s Fair Tops the NHL’s Newest Arena
October 21, 2021
Seattle’s new Climate Pledge Arena is a unique blend of the historic and state-of-the-art.