Operations and Maintenance Facility East

Hensel PhelpsProjectsInfrastructure + TransportationOperations and Maintenance Facility East

About this Project

The Sound Transit Operations and Maintenance Facility East is a new light rail operations and maintenance facility that accommodates the inspection, service, maintenance, storage, and deployment of 96 light rail vehicles. The facility houses 14 service bays, a LRV wash facility, yard storage, materials storage and handling equipment, parking and office space for administration and support staff. A Maintenance of Way facility accommodates service and storage of trackway and train systems infrastructure such as traction power substations, train signal bungalows, overhead traction power as well as non-revenue vehicle, station janitorial and landscape maintenance services. The project also provides interim bike and pedestrian trails, and includes a Master Development Plan for the optimization of surplus property into a future transit-oriented development.

Quick Facts

  • Location Bellevue, WA
  • Client Sound Transit
  • Architect Stantec
  • Industry Infrastructure + Transportation
  • Line of Business Construction
  • Delivery Method Design-Build
  • Completion Date March 2021
  • Duration 45 Months
  • Contract Value $ 235,000,000
  • Sustainability LEED Gold
  • Square Footage 165,150 SF



  • CMAA Pacific Northwest Chapter, Project Achievement Award – 2021 Project of the Year Transportation: Construction value greater than $50 million
  • 2021 ENR Northwest Regional BEST Projects – Award of Merit in the Airport/Transit category

Related Projects

Contact Us


Oh no... this website is not a fan of Internet Explorer!

Due to some geeky technical reasons, the Hensel Phelps website is best viewed on any browser other than Internet Explorer. However, if you are a diehard IE fan you can continue to use it, but may have a less than great experience and will receive this annoying reminder every day. We recommend one of the following browsers to take full advantage of the Hensel Phelps website. Thank you!

Chrome   Firefox   Edge