Dive Brief:
The C Concourse Expansion at Seattle-Tacoma International Airport has been approved with a $399 million budget, the Port of Seattle announced last week. The project will use no taxpayer money; instead, a combination of federal airport development funds and future revenue bonds will back construction, according to the Port.
The project will add four stories to the existing three-story facility when major construction begins in the first quarter of 2024. Building higher in order to develop amenities and tenant spaces is a key part of Sea-Tac’s growth strategy, since it is one of the most space-constrained airports in North America, according to the Port.
New York City-based Turner Construction is the project’s general contractor and Seattle-headquartered Miller Hull and Australia-based Woods Bagot are the architects. The expansion is part of the Port’s five-year, $5.3 billion capital plan.
Dive Insight:
One new floor will contain office space, while the other three will host amenities such as restaurants, retail, lounges, outdoor viewing decks, rooms for interfaith prayer and meditation and a performance area for live music. The expansion will also contain a high-performance air delivery system to enhance indoor air quality.
The Port also released a new fly-through video with interior and exterior animations of the completed project.
The project is the first at Sea-Tac to integrate the Port’s Sustainable Evaluation Framework to ensure the project supports the Port’s goal to be the greenest and most energy-efficient port in North America.
The project features a variety of green features including a rooftop solar photovoltaic array, and will leverage materials with reduced embodied carbon. Biophilic design elements, such as undulating Douglas fir panels, will connect travelers to nature and are designed to celebrate the forests and landscapes of the Pacific Northwest.
The Port estimates the C Concourse project will be substantially completed in 2026.
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