Contract Awarded to Expand SEA Airport’s C Concourse

Rendering courtesy of Port of Seattle, The Miller Hull Partnership, and Woods Bagot

A contract was awarded to Turner Construction Company to expand C Concourse at Seattle-Tacoma International Airport in Washington. The project will cost $399 million and upgrade the airport experience for travelers.

The passenger-centric project will add dining and retail options, as well as offer amenities such as an interfaith prayer and meditation room and a nursing suite. The concourse will also be home to a 20,000-square-foot Alaska Airlines lounge, enabling travelers to relax in style.

The project will contribute to the Port of Seattle’s goal of becoming the greenest and most energy-efficient port in North America, where the health of the environment and the well-being of travelers is paramount. Fossil fuel-free systems will be used for heating, tenant hot water and cooking.

Sustainable and efficient features will conserve energy and water use including a rooftop solar array, electrochromic glazing on windows and water-efficient fixtures.

The expansion will increase the size of C Concourse from 80,000 square feet to more than 226,000 square feet. Construction will begin in early 2024 and is expected to be complete in 2027.

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