Approaching Seattle’s Climate Pledge Arena, the appearance of the historic venue seems much the same as it has for the past six decades.

After successfully completing the mind-boggling top-down expansion of the 932,000-sq-ft facility, with its 45-million-lb landmark roof shored safely overhead, the Mortenson-led building team overcame myriad supply chain disruptions caused by COVID-19. 

Arena’s building team in quake-prone Seattle uses 4D BIM to manage the constructibility nightmare associated with supporting an iconic cover during construction

Seattle’s Climate Pledge Arena aims to be the first International Living Future Institute Zero Carbon certified professional sports venue in the world.