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Story summary
- Seattle-Tacoma International Airport opened its renovated C Concourse on Thursday.
- The $399 million renovation grew C Concourse to four floors and 229,500 sq ft, added 11 food and retail venues, an outdoor patio, Tree at C with Grand Stairs, Alaska Airlines’ largest lounge, and features electrochromic glazing, rooftop photovoltaics supplying 12-14 % power and all-electric heating for LEED Platinum.
- Washington Department of Transportation projects 107 million passengers by 2050, surpassing Sea-Tac’s 67 million capacity limit.
