Site work and paving for a mixed-use development in Bellevue, Washington. Completed plans call for site work for a road / highway; for paving for a road / highway; sidewalk / parking lot; sidewalk / parking lot; and water / sewer project.

The County intends to procure a design-build team to provide progressive design-build services for the Project. The Project generally includes rehabilitation of the ESI Section 8 sewer tunnel via installation of a new lining system and associated temporary diversion of sewer flows necessary to complete the work. Primary Contract Specialist: Melissa Jordan, mejordan@kingcounty.gov, 206-263-4005 Backup Contract Specialist: Trisha Roth, troth@kingcounty.gov, 206-263-1964 Preconstruction (Phase 1): Agreement Estimated Price: $10,000,000 Estimated Period of Performance: 8 months Construction Change Order (Phase 2): Guaranteed Maximum Price or Lump Sum Estimated Price: $42,000,000 Estimated Period of Performance: 24 months In accordance with the Project Goals described in Section I.H of this document, the County anticipates that the Project will involve rehabilitation of the ESI Section 8 tunnel, and structures immediately upstream and downstream if necessary. The Project is expected to include tunnel inspection and cleaning, selection and implementation of an appropriate rehabilitation technology, sewer diversion planning and implementation, replacement, or relocation of the existing Sweyolocken 20-inch force mains from SE 32nd Street to the junction with the ESI, and construction of a permanent pedestrian and vehicle access ramp from SE 32nd Street to the ERC. Refer to RFQ Attachment 7 for additional project reference information, including figures identifying key project features, a preliminary project risk register, and project budget estimate supporting materials (excluding recent budget adjustments). 06/15/2023 Last day to submit Request for Information Week of 06/26/2023 Firms Professional References Contacted Week of 08/03/2023 Notification of finalists Selected 08/14/2023 Issue Request for Proposals Week of 08/21/2023 Interactive Proprietary Meeting Week of 08/28/2023 Interactive Proprietary Meeting 09/19/2023 Last day to submit Request for Information Week of October 30, 2023 Ranking of Proposals and Notification of Selection Decision Week of November 6, 2023 Negotiations begin with highest ranked Design-Builder December 2023 Execution of Design-Build Agreement The County has established a design-build contract budget range of $50M- $55M, including sales tax, based on a planning-level cost estimate (Class 5). *The value for this project is based on a financial range. The value is listed as the highest possible cost from the range provided by a stakeholder or official project document.