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Published December 3, 2025 at 7:00 PM

Updated December 10, 2025

This is a service / maintenance or supply contract in Portland, Oregon. Contact the soliciting agency for additional information.

The Tri-County Metropolitan Transportation District of Oregon (TriMet) invites proposals from qualified firms to provide Robertson tunnel Geotech monitoring and maintenance services, as described in this Request for Proposals (RFP). All questions regarding this procurement must be directed to Lisa Chow, Senior Contracts Administrator, via email at chowl@trimet.org.

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Bridges / Tunnels

Public - State/Provincial

Service, Maintenance and Supply

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