Port of Seattle Concourse D Hardstands

Location: SeaTac, WA
Owner: Port of Seattle

This new 32,500 SF building on the east side of Concourse D in the existing North Ground Transportation Lot at Seattle-Tacoma International Airport houses multiple hold rooms for the hardstand operations. OCI led the civil engineering for the project, performing design of site layout, utilities, and stormwater drainage, while also providing construction management support services. In 2019, Engineering News Record Northwest named Concourse D Hardstands as Best Project in the Airport/Transit category.


Aviation Utilities Planning and Design
Services List
  • Airfield Utilities Planning, Analysis, and Design (Storm, Sewer, Water, IWS)
  • Utility Conflict and Relocation Analysis
  • Prioritization and Rehabilitation of Existing Infrastructure
  • Civil Site Design
  • Asset Management
  • Standards Development
  • Monitoring and Sampling
  • Site Investigations and Fieldwork

Service Details >>

Service Contact
Robert Parish, PE
Principal & Vice President

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