b'TERMINALSSEA 33filled, open space. The changes are designed to facilitate newInfrastructure improvements will continue to the south via other technology and building standards to help passengers move moreprojects, such as relocating Security Checkpoint 1 to the south on efficiently through the terminal.the Bag Claim Level and renovating the center ticketing area. The first portion of the two-phase SEA Gateway Project isWe are coordinating very closely to make sure that what expected to be complete near the end of 2025. Phase 2 is slatedwere starting [on the north end] is something that we can finish for completion in the first quarter of 2026. It will reconfigurethroughout the rest of the Main Terminal, Olson remarks. passenger throughput on the ticketing level and expand theMany of the mechanical, smoke control, fire suppression and security checkpoint from five to six lanes. Crews will demolisharchitectural updates will also be incorporated into future projects existing areas to enhance the ticketing level and area abovein the Main Terminal to support safe and efficient operations. Alaska Airlines ticketing, and reconfigure the northern-most mezzanine level. Security Checkpoint 5 will also be redesigned toUpward Expansion add space and screening capacity.The C Concourse Expansion will add four new Rethinking, Repurposing Space floors to that structure. The new space will be used to elevate the passenger experience Phase 1 of the SEA Gateway Project will include key changeswith amenities and concessions, notes Capital on the north endparticularly the bridge level that connects theProgram Leader Janet Sheerer. In addition to terminal to the parking facility. When originally constructed, it was17 new retail and dining offerings, leasable meant to be the major north-south thoroughfare for people comingoffice area and airline lounge capacity will beJANET SHEERERinto the terminal from the parking garage. The vision was forincreased as well. Overall, the project will increase the existing passengers to travel along the promenade to the escalator bank81,000-square-foot building to 226,530 square feet.and head up to the ticketing area.The new space will be added at the apex of concourses C However, that space has not been used for its intendedand D, allowing the buildings ground-floor footprint to remain purpose. Instead, the roughly 24,000 square feet was used forunchanged. The lower level of the addition will include storage for storage, including wheelchairs and excess seating. Its beenairport concessions, a breakroom and a food donation station. difficult to get utilities and other building systems into that area,(Check out the Nov./Dec. 2014 issue of Airport Improvement for explains Olson.details about SEAs food donation program.)Currently, the space is open to the arrivals drive below. The design/build team, along with the Port, has devised a way to install building systems and necessary utilities, resulting in 24,000 square feet of new leasable space. Alaska Airlines will use the north end for passenger check-in, baggage drop and processing group travelers; the south end will house functions for the Port and other airline tenants. Coming up with a plan to outfit the underutilized space has not been easy, Olson notes. Utilities and other infrastructure had to be brought in through the baggage claim level below or from ticketing above, and each strategy includes its own set of challenges. Also, by enclosing the bridge promenade level, a significant source of exterior daylight will be removed. We had to get very clever about the way we routed HVAC ductwork, how we brought piping in for sprinklers, how we brought in communications and electrical, says Olson. Ultimately, columns in the baggage claim will be enlarged to support the infrastructure, and designers chose finishes that will lighten and brighten the space. AirportImprovement.comMarch | April 2023'