Port of Seattle - SEA Main Terminal Low Voltage Upgrades

This multi-phased project within SEA’s Main Terminal has undergone multiple additions and renovations over the years, resulting in systems with various remaining lifespans. This comprehensive upgrade project solves these issues by replacing the low voltage distribution systems (600V and below) that serve every floor of the main terminal as they approach the end of their serviceable lifespans. The scope is divided into normal power, emergency power, replacement of existing central area substations with new double-ended unit substation, and metering upgrades. Close coordination with the full project team and collaborative problem solving have been critical to finding innovative solutions on this project's many challenges.

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