b'12 SEA TERMINALSInternational passengers arriving at A gates are treated toWe had such a constrained site that we had to play this a view of the airfield and Olympic Mountains as they proceedTetris game to fit in Customs and Border Protection and meet through the corridor to the Customs area for processing.all of their requirements, Sheerer says. Despite the challenges, Moreover, the project design upgraded eight of the concoursesshe describes the partnership between the Port and CBP as existing gates to swing gates, which can handle wide-bodyincredible throughout design and construction. Its a really international aircraft or domestic aircraft. This brings SEAs overallamazing facility thats going to attract passengers and also capacity of international-capable gates from 12 to 20 gates.completely change what it means to work as a CBP person at Project designers added four pods toSeaTac, Sheerer remarks.the A Concourse to keep international and domestic passengers separate. The podsOver vs. Underhouse the new swing gate system andWhen designing the new International Arrivals Facility, one of the gate doors that control the flow of arrivingbig decisions was how to get people from the S Concourse to the passengers to the proper destination,new facilityunderground or overhead. Ultimately, the project team explains Sara Mitchell, resident engineer atand airport officials opted for an overhead bridge that provides Port of Seattle. Domestic passengers arespectacular views of nearby mountain ranges. It was not only the SARA MITCHELL better option in terms of customer experience routed to A Concourse, and international passengers one level up to the International Corridor. and satisfaction, it was also the cheaper option, says Lyttle. Phasing was important during construction on the A Concourse because no more than two gates could be out of service atCreating the walkway over a taxi lane also one time, Mitchell adds. This required careful coordination withminimized operational impact, adds Mitchell. stakeholders and ultimately minimized operational impact to theDuring planning, a study showed that the airlines.affected taxi lane would only need to be closed for seven days to accommodate the STEPHEN ST. LOUISQuestion todayImagine tomorrowCreate for the futureWSPs experience in the aviation industry dates back more than 85 years. We plan, design and manage projects that leverage the latest technologies to create modern state-of-the-art facilities that achieve owners sustainable design goals, enhance the passenger experience and improve operations.Find out what we can do for you.wsp.comMay | June 2022AirportImprovement.com'