Construction underway of major timber roof for ZGF’s Portland airport expansion

2023-06-29T11:26:00-04:00

Construction is underway for the expansion of Portland International Airport. As we reported last year, the ZGF-designed expansion will include a roof formed of 2.5 million feet of timber. New images of the scheme by roof installers Mammoet show components for the timber roof being moved into place on the construction site.

Image credit: Mammoet

The roof was fully prefabricated between the airport’s active runways over the course of a year and comprises twenty roof panels in five distinct shapes. Prior to being moved into their final position, the panels were disconnected into approximately football-field-sized pieces in order to minimize disruption to airport operations. At midnight on the day of each move, the runways closed for the one-mile transport of the panel from the fabrication site to the construction site.

Image credit: Mammoet

Each panel was installed using stationary skidding propelled by strand jacks and lowered with the skidding jacks onto column isolators. The next set...

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Construction underway of major timber roof for ZGF’s Portland airport expansion