A February 2020 Port of Seattle Commission briefing memo details a proposed $40 million budget increase for the North Satellite (NSAT) Modernization project at Seattle-Tacoma International Airport, bringing the total estimated cost to approximately $712 million. The overrun was driven by unforeseen site conditions, contaminated soils, labor shortages, added construction scope, and enhanced passenger service measures needed during construction. The project, managed by contractor Hensel Phelps, remained on track for a Q3 2021 completion with 10 gates maintained for Alaska Airlines operations throughout Phase 2.Open full document
Notes
A Commission agenda briefing memo from Port of Seattle staff describing that the North Satellite (NSAT) Modernization project’s estimate at completion exceeds the authorized budget. The document outlines reasons for the cost overrun including differing site conditions, contaminated soils, added scope, and trade worker shortages. The project team intends to return on March 10, 2020 to request Commission authorization to increase the project budget by $40 million, raising the revised total estimate to $712,125,232.
