b'8 PDX TERMINALSPortland Intl Taps Local, Renewable Resource for Seismically Resilient Wooden Roof BY KRISTEN RINDFLEISCHA massive wooden roof currentlyto remain 100% operational throughout theremodel and officials wanted to keep the being installed at Portlandprocess.terminal operational during construction, International (PDX) in Oregon isAirport officials explain that PDXs agingthe project team had to get creative. poised to make a noteworthy contributionfacility needs more processing spaceThe Port of Portland, which owns and to airport architecture overall. Crews arein the main terminal building, which isoperates PDX, determined it was best placing the new structure over the existingactually seven separate structures thatto add a seismically resilient roof over terminal, which will be updated in 2023 andhave essentially been stitched togetherthe existing building and then clear out 2024. The project team expects to finishsince 1956. Beyond growth and flexibilityand update everything beneath it in 2023 the roof by the end of this year.to accommodate passenger traffic, theto 2024. Although it would have been The new 9-acre structure will help doublebuilding also needs to be seismicallyideal to adapt the the square footage inside the terminal andadapted to prepare for the Cascadiaexisting terminal includes 2.5 million board feet of DouglasSubduction earthquake, a 9.0+ magnitudebuilding, that was fir lumber, with curves supported by glulamearthquake (and potential subsequentnot a viable option. (glue-laminated) beams. Beams for thetsunamis) expected to occur within theIt would be way too roof were manufactured offsite and thennext 50 years.expensive, explains assembled on the airfield less than a milePort of Portland Chief Because PDX didnt have any realProjects Officer Vince from the main terminal, allowing the buildingestate for temporary facilities during theVINCE GRANATOGranato.November | December 2022AirportImprovement.com'