South Terminal

Seattle, Washington

The Seattle-Tacoma Airport's South Terminal Expansion Project was a $211-million, 900,000-SF project, which included reconstruction of a larger concourse, an extension of the main terminal to make way for new ticket counters, a 70 ft-high international arrivals hall, a 5-office tower for Port staffers and a new pedestrian bridge to the parking garage. 
EEI was the Port's Commissioning Authority for the project for mechanical, electrical and low voltage specialty systems.  In addition, EEI was the Special Inspector for all inspections of the airport's smoke control systems.
The mechanical systems of this complex project included more than 1,300 pieces of equipment, including air handling equipment, pumping systems, ductwork, pneumatics, fire protection/suppression equipment, fan coil units and more than 300 dampers and exhaust fans.  The electrical systems included new services, main switch, transformers, distribution panels, alternate generators, more than 40 transfer switches, lighting controls, medium voltage switch gear, and a 400-Hz generator.  Special systems included fiber optics, broadband, aviation voice paging and fire alarm.
 
EEI's services included reviewing pre-functional testing documentation, creating functional test procedures, functional testing, and final reports.  Our extensive knowledge of systems and understanding of construction allowed us to schedule activities around the numerous construction activities taking place on this very complex project.

 
 
Owner Port of Seattle
Commissioning Authority Engineering Economics, Inc.
Area 900,000 SF
Total Cost $250 Million

 

 
 

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